highaltitude.log.20160212

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[00:02] <Evidlo> Is 2Wh a reasonable size for a tracker battery?
[00:03] <Evidlo> my estimates say so
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[00:15] <Ian_> What's that in Ahour?
[00:16] <Ian_> 4 AA Ultimate Lithium are good for around 20hrs for a PiSky tracker
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[00:24] <Ian_> http://data.energizer.com/PDFs/l91.pdf the AAA size is L92 They have the capacity and tolerate the low temperatures
[00:24] <mattbrejza> kinda depends on what the tracker is
[00:25] <Ian_> That's kinda why I specified the PiSky ... when the argument is unclear, define your own :)
[00:25] <Ian_> I'm sure that daveake mentioned the 20 hours yesterday some time
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[03:06] <SpacenearUS> New position from 03KF7RCV-11 after 038 hours silence - 12http://tracker.habhub.org/#!qm=All&q=KF7RCV-11
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[07:22] <AndyEsser> morning
[07:24] <mactunes> morning
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[07:31] <fl_0> mactunes: moin. we got permission from the local authorities
[07:31] <fl_0> fyi
[07:31] <fl_0> :)
[07:31] <mactunes> i saw it. wow. did you go with the bezirksregierung muenster?
[07:31] <mactunes> maybe that did the trick?
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[07:32] <fl_0> maybe
[07:32] <fl_0> but we got a written answer with the permission to fly
[07:32] <fl_0> :)
[07:33] <mactunes> that's cool, good luck with the flight
[07:33] <fl_0> tnx
[07:33] <mactunes> i assume because you are flying from recklinghausen, that you went via Münster. seems like they are more easy and duesseldorf is being really tough about it then
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[07:42] <Lunar_LanderU> hello
[07:42] <AndyEsser> o/
[07:42] <AndyEsser> What time you launching?
[07:42] <Lunar_LanderU> 9 GMT
[07:42] <AndyEsser> 1h 20m?
[07:42] <Lunar_LanderU> about 1h 15 min from now
[07:42] <Lunar_LanderU> yea
[07:42] <AndyEsser> cool
[07:43] <AndyEsser> how's the weather looking?
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[07:43] <Lunar_LanderU> nice, no wind, bit of cloud but the sun is out
[07:43] <Lunar_LanderU> http://wetter.physik.uni-osnabrueck.de/
[07:43] <AndyEsser> sounds pretty damn good
[07:43] <AndyEsser> bit nippy
[07:43] <AndyEsser> :P
[07:45] <Lunar_LanderU> yea
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[07:47] <AndyEsser> when was your last launch?
[07:49] <Lunar_LanderU> march 5 2013
[07:50] <AndyEsser> o wow
[07:50] <AndyEsser> nearly 3 years?
[07:50] <Lunar_LanderU> yea
[07:50] <AndyEsser> how come so long?
[07:50] <Lunar_LanderU> preperations and stuff
[07:50] <Lunar_LanderU> :)
[07:50] <AndyEsser> fair enough
[07:51] <AndyEsser> that much preparation must mean the launch will be flawless :P
[07:51] <daey> well hes obviously aiming for the moon :p
[07:51] <Lunar_LanderU> :)
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[07:53] <Lunar_LanderU> recorded cell voltages :)
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[07:59] <fl_0> mactunes: then its maybe an option for you instead of driving to RP
[07:59] <fl_0> :)
[07:59] <mactunes> i think problem is: if we want to launch from dormagen, where i live, then we need to go via the BR Duesseldorf
[08:00] <mactunes> they will say no according to the mail i fwd you, so still no solution, but good to know that there is sanity in other regions of Germany :D
[08:04] <fl_0> jepp, so launch from the area of BezReg Münster then
[08:04] <fl_0> :D
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[08:11] <Kai-Uwe> moin moin
[08:12] <SpacenearUS> New vehicle on the map: 03OERNEN-II - 12http://tracker.habhub.org/#!qm=All&q=OERNEN-II
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[08:16] <fl_0> Lunar_LanderU: My station is up and listening
[08:16] <fl_0> seems like youre goinjg to Celle
[08:16] <fl_0> :D
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[08:17] <Lunar_LanderU> yea :)
[08:17] <fl_0> All into the hands of DL1SGP
[08:17] <fl_0> =)
[08:17] <Lunar_LanderU> :)
[08:18] <Lunar_LanderU> where in dl-fldigi was the point to put in station coordinates?
[08:20] <Lunar_LanderU> please
[08:20] <fl_0> DL Client -> Configure -> Location
[08:21] <Lunar_LanderU> thanks
[08:21] <fl_0> np
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[08:22] <SA6BSS-Mike> there is two places to ad that in dl fldigi
[08:22] <Lunar_LanderU> ah
[08:22] <SA6BSS-Mike> to show on the map its under DL client - Location
[08:23] <SA6BSS-Mike> may difer , I use the wind hab ersion
[08:24] <fl_0> http://picpaste.de/pics/9b883cd53c3a7ebdaac9f6301552be78.1455265469.png
[08:24] <fl_0> I guess he found it
[08:24] <fl_0> :D
[08:24] <SA6BSS-Mike> My old and trusty radmin quit on me today, so have installed teamviwer, lets se how that works7
[08:25] <SA6BSS-Mike> :)
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[08:25] <Vaizki> works great
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[08:29] <Lunar_LanderU> yea :)
[08:29] <Lunar_LanderU> thx
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[08:34] <Vaizki> Good luck!
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[08:40] <Lunar_LanderU> thanks
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[09:18] <LunarMobile> Telemetry still good?
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[09:21] <DeltaK6GB> Hi Lunar are you ready ?
[09:21] <LunarMobile> Yes
[09:21] <DeltaK6GB> ausgezeichnet :)
[09:21] <LunarMobile> Is there telemetry on hanging?
[09:21] <LunarMobile> Habhub
[09:23] <fl_0> some data is on
[09:24] <fl_0> although values are somewhat strange
[09:24] <gonzo_> as in ADC(noose) ?
[09:24] <fl_0> Battery: 845V
[09:24] <fl_0> :)
[09:26] <Vaizki> forgot to use scaling on payload doc? :)
[09:28] <AndyEsser> Internal Temperature... 2234 degrees C :P
[09:29] <DeltaK6GB> 989.7 mbar i think its to low
[09:29] <fsphil> yikes
[09:29] <AndyEsser> that's some epic insulation going on :P
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[09:31] <LunarMobile> Airborne
[09:31] <DeltaK6GB> er steigt
[09:31] <fl_0> \o/
[09:35] <DeltaK6GB> When will the payload dropped?
[09:37] <AndyEsser> LunarMobile: not worried about the dodgy data?
[09:38] <Lunar_LanderU> back
[09:38] <Lunar_LanderU> the temps are all multiplied by 100
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[09:38] <Lunar_LanderU> to avoid floats
[09:39] <AndyEsser> could've scaled in habhub
[09:39] <AndyEsser> also, -12700 for external temps?
[09:40] <Ben-AstroSoc> its cold up theere man
[09:40] <AndyEsser> at 400m above MSL?
[09:40] <AndyEsser> :P
[09:40] <Lunar_LanderU> that is an error
[09:40] <AndyEsser> also, pretty sure Absolute zero is a little bit higher than that
[09:40] <Lunar_LanderU> damn
[09:41] <Ben-AstroSoc> just a little
[09:41] <Lunar_LanderU> damn
[09:42] <Lunar_LanderU> well
[09:42] <Lunar_LanderU> time to chase
[09:45] <AndyEsser> have fun :)
[09:46] <pretec> Lunar_LanderU: Is the balloon a private project or university?
[09:46] <Lunar_LanderU> uni
[09:47] <DeltaK6GB> 434.399,5 mhz
[09:48] <Vaizki> happy driving :)
[09:48] <AndyEsser> Lunar_LanderU: How often is telem sent?
[09:48] <fl_0> nothing on the waterfall here
[09:48] <fl_0> :(
[09:48] <Lunar_LanderU> 22 sec
[09:48] <Lunar_LanderU> thanks
[09:48] <pretec> Lunar_LanderU: Ah, ok. I am in Berlin and some friends and i planned to start a weatherballon last year. but... to less time for that :)
[09:48] <Lunar_LanderU> :)
[09:48] <Vaizki> looks like 434km to drive also...
[09:48] <Lunar_LanderU> oh
[09:48] <Lunar_LanderU> well
[09:48] <Lunar_LanderU> I'll be on the mobile from now on
[09:49] <pretec> Have a good hunt! :-)
[09:49] <Lunar_LanderU> thanks :)
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[09:49] <Ben-AstroSoc> damn, 400km
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[09:49] <Vaizki> they have good autobahns :)
[09:51] <fl_0> http://x-f.lv/dev/habitat-graphs/payload/OERNEN-II#d
[09:51] <fl_0> scaling would have been a good part
[09:51] <fl_0> :)
[09:52] <Ben-AstroSoc> >618 degrees external
[09:52] <Ben-AstroSoc> hmmm
[09:53] <Geoff-G8DHE> . /100=6.18
[09:53] <Ben-AstroSoc> that makes moresense
[09:53] <DeltaK6GB> It's only student
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[09:55] <SpacenearUS> New position from 03IK8SUT-11 after 032 days silence - 12http://tracker.habhub.org/#!qm=All&q=IK8SUT-11
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[09:59] <LunarMobile> In the car
[10:00] <Geoff-G8DHE> Following the prediction quite nicely
[10:00] <LunarMobile> Cool
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[10:04] <AndyEsser> LunarMobile: not transmitting location from chase car?
[10:05] <LunarMobile> Didnt provide for that, sorry
[10:05] <AndyEsser> no worries
[10:05] <AndyEsser> get the app on your phone!
[10:05] <R34lB0rg> no chasing the chasers
[10:06] <LunarMobile> Which one?
[10:06] <AndyEsser> LunarMobile: the HAB Car Chase app or whatever
[10:06] <AndyEsser> shows you the map, with the balloons around you (for easy tracking)
[10:06] <AndyEsser> but puts you on the map as well
[10:07] <craag> Morning LunarMobile!
[10:07] <craag> Good to see it up, good luck!
[10:07] <LunarMobile> Thanjs
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[10:08] <R34lB0rg> now live up to your name and land it on moon ;)
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[10:09] <DeltaK6GB> Andy you mean HABHUB app in the Playstore
[10:09] <SpacenearUS> New vehicle on the map: 03LunarCar_chase - 12http://tracker.habhub.org/#!qm=All&q=LunarCar_chase
[10:09] <LunarMobile> Yay
[10:09] <craag> You on your way LunarMobile ?
[10:10] <LunarMobile> Yes
[10:10] <AndyEsser> I see a LunarMobile on the map :)
[10:10] <AndyEsser> you're lagging behind a bit
[10:10] <AndyEsser> get those Autobahn's working!
[10:11] <LunarMobile> Doing it
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[10:31] <fsphil> http://www.bbc.co.uk/news/science-environment-35559503
[10:31] <fsphil> sad, but not unexpected
[10:33] <DeltaK6GB> humidity is 199 and 262 ? % ?
[10:37] <LunarMobile> Analogue values
[10:37] <LunarMobile> Have to be converted later
[10:38] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2016_Flights/OERNEN-II_20160212/index.php?ind=4
[10:39] <Upu> holy crap Lunar is in the air
[10:39] <Geoff-G8DHE> No he's driving along the gound actually
[10:39] <Upu> technically yes :)
[10:39] FuzzyLemon (52db251d@gateway/web/freenode/ip.82.219.37.29) joined #highaltitude.
[10:39] <Geoff-G8DHE> :)
[10:40] <Upu> happy accident its going to land on DG1SGP ?
[10:41] <craag> Doing well LunarMobile :)
[10:41] <Upu> hey FuzzyLemon do you want me to remove yesterdays test from the map ?
[10:42] <Upu> impressive internal temp, thats some hand warmer
[10:42] <Geoff-G8DHE> . /100=7.45
[10:42] <Upu> ah ok
[10:43] <Upu> you could hotfix that if you were clever
[10:43] <Geoff-G8DHE> He has yet to learn about the decimal point ;)
[10:46] Nick change: dbrooke_ -> db_G6GZH
[10:46] <db_G6GZH> morning all
[10:48] <LunarMobile> Hello
[10:48] <db_G6GZH> slow fading on the signal but I did get the occasional decode already
[10:49] <LunarMobile> Nice
[10:49] <SpacenearUS> New position from 03SCORPION after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=SCORPION
[10:49] <FuzzyLemon> Hey Upu. Yes please. I'm testing it again now. just waiting for a GPS lock
[10:49] <FuzzyLemon> there it is
[10:50] <db_G6GZH> elevation -0.2
[10:51] <Geoff-G8DHE> !dial oernen-II
[10:51] <SpacenearUS> 03Geoff-G8DHE: Latest dials for 03OERNEN-II 10(27b0): 03434.4 MHz, 434.3 MHz, 300.1 MHz, 14.07 MHz, 434.602 MHz, 434.3986 MHz
[10:51] <db_G6GZH> bit random
[10:51] <db_G6GZH> 434.3986 MHz is mine
[10:52] <Geoff-G8DHE> not that helpful, but yes I guessed it might be that one!
[10:52] <db_G6GZH> reads a bit low though
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[10:52] <Geoff-G8DHE> quite a bit of qrm here
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[10:54] <db_G6GZH> something just started up here as you said that ... about every second, so chopping up the signal
[10:54] <LunarMobile> Oh
[10:55] <craag> Are you receiving in the car LunarMobile ?
[10:59] <LunarMobile> Yes
[10:59] <LunarMobile> Cut down malfunction
[11:01] <AndyEsser> supposed to cut down at 29km?
[11:02] <R34lB0rg> hope you got your passports
[11:02] <LunarMobile> Looks like coming home
[11:02] <DeltaK6GB> Not in the EU
[11:03] <AndyEsser> LunarMobile: it's coming down
[11:03] <AndyEsser> :)
[11:03] <db_G6GZH> signal sounded bursty and now gone
[11:04] <amell> cutdown worked?
[11:04] <R34lB0rg> parachute deployed?
[11:04] <AndyEsser> LunarMobile: maybe just cutdown reporting failed?
[11:05] <LunarMobile> Could be
[11:05] <AndyEsser> it appears to be coming down at least :)
[11:05] <LunarMobile> Yea
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[11:06] <R34lB0rg> going down at ~100km/h
[11:06] <amell> error =1?
[11:06] <AndyEsser> Fan status = 1`
[11:06] <AndyEsser> error = 0
[11:06] <amell> duh
[11:07] <AndyEsser> o0o it's going to land so very very close to a big giant fan Wind Turbine :)
[11:07] Action: AndyEsser secretly hopes for shredded payload
[11:07] Action: AndyEsser is a terrible person
[11:07] <kokey> slowing down it seems
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[11:08] <LunarMobile> Shit
[11:08] <AndyEsser> Aww - it's not going to land in the Wind farm anymore
[11:08] <AndyEsser> I mean... Yay!
[11:08] <fsphil> you're a fan?
[11:09] <AndyEsser> I'm a big fan
[11:09] <AndyEsser> :)
[11:09] <kokey> more likely to hit a solar panel I suppose
[11:09] <LunarMobile> XD
[11:09] <mattbrejza> silly germany replacing nuculear with wind
[11:09] <mattbrejza> did anyone think of the habs?
[11:09] <fsphil> landing on a nuclear plant might be more interesting
[11:09] <Ben-AstroSoc> until the hab gets stuck in a coolant pipe or something
[11:09] <AndyEsser> "Harmless science experiment" sends nuclear reaactor into meltdown
[11:10] <AndyEsser> Your car is facing the wrong way, LunarMobile
[11:10] <AndyEsser> :P
[11:10] <eroomde> i make it having a sea-level descent rate of about 6.3m/s
[11:10] <LunarMobile> Oh ok thx
[11:11] <eroomde> predictor assumes 5 i think so it might land a little short of the tracker prediction
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[11:11] <mattbrejza> i thought it uses current descent rate somehow, but they do tend to land short
[11:11] <AndyEsser> wind farm might've been better.... currently set to land in the middle of town ;)
[11:12] <amell> chase car needs to seriously hurry up
[11:12] <AndyEsser> it's going to lose the race!
[11:12] chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) joined #highaltitude.
[11:12] <R34lB0rg> a video of someone asking to recover his hab at a nuclear power plant might be fun
[11:12] <AndyEsser> DL1SGP might go and 'borrow' the payload ;)
[11:12] <fsphil> the habby races
[11:12] <mattbrejza> no speed limits there LunarMobile , put your foot down ;)
[11:12] <Darkside> thats a pretty good battery
[11:12] <Darkside> 809V!
[11:12] <Darkside> :P
[11:13] <fsphil> you're missing the point
[11:13] <R34lB0rg> it can defend itself :D
[11:13] <Darkside> hah
[11:13] <amell> i recall we had a hab land almost on GCHQ once
[11:13] <AndyEsser> hahah
[11:13] <kokey> 12-14m/s drop
[11:13] <AndyEsser> well it's a big giant target shaped building... that'd be amusing
[11:13] <AndyEsser> :)
[11:13] <R34lB0rg> lol!
[11:13] <Ben-AstroSoc> oh dear
[11:13] <Ben-AstroSoc> who aimed at gchq
[11:13] <AndyEsser> I blame daveake
[11:13] <Geoff-G8DHE> It even had a light on it I seem to recall!
[11:13] <AndyEsser> his neck of the woods
[11:13] <mattbrejza> its pretty cold up there
[11:13] <Ben-AstroSoc> was it ticking
[11:14] <amell> yes, i think it went into a housing estate just next to gchq
[11:14] <AndyEsser> nah, you just need Samuel L JAckson photo saying "Surprise motherf*ckers" on the outside :)
[11:14] <Ben-AstroSoc> whatdo you guys do it you put it in someones garden?
[11:14] <AndyEsser> knock on the door?
[11:14] <AndyEsser> covert insertion at night time?
[11:14] <Ben-AstroSoc> 'excuse me, sorry about your greenhouse, but'
[11:14] <AndyEsser> Ben-AstroSoc: been discussed in here before
[11:14] <Geoff-G8DHE> Hand over bottle of Wine if they won!
[11:15] <AndyEsser> relatively cheap to replace one pane of glass in a greenhouse
[11:15] <DL1SGP> moin whoever wanted to talk to me or mentioned my callsign
[11:15] <mattbrejza> we've had some very odd conversations trying to explain this
[11:15] <AndyEsser> but yea... take compensation bottle of wine
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[11:15] <DL1SGP> I am about to depart for OERNEN-II
[11:15] <fl_0> :)
[11:15] <AndyEsser> DL1SGP: T'was me - saying you might go and borrow the payload for OERNEN-II
[11:15] <fl_0> go for it
[11:15] <kokey> or schnapps, for today
[11:15] <R34lB0rg> priceless to have someone want to return your hab
[11:16] <amell> fuzzylemon: are you confident scorpion wont end up in the sea? its pretty windy up there.
[11:16] <DL1SGP> that's the plan AndyEsser :)
[11:16] <AndyEsser> hehe
[11:18] <kokey> looks like it's going to land near trackers
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[11:18] <amell> looks like ir might disappear before chase car gets there
[11:18] <FuzzyLemon> we are aiming for a 6m/s ascent rate
[11:19] <Ben-AstroSoc> how deep in the countryside do you reckony ou need to be to launch one of these?
[11:19] <Ben-AstroSoc> theres a giant field out the back of my house
[11:19] <kokey> at this rate it seems to be aiming at whoever is tracking it at Lachendorf
[11:20] <fl_0> that is DL1SGP
[11:20] <fl_0> :)
[11:20] <FuzzyLemon> predictor reckons it will land about 10miles south of bury st edmunds
[11:20] <kokey> haha
[11:20] <Geoff-G8DHE> Depends on what is around you, Heathrow has a field out the back as well!
[11:20] <amell> what burst alt are you oplanning for?
[11:21] <db_G6GZH> oh, I've been where Lunar's car is
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[11:21] <db_G6GZH> well, Bad Nenndorf
[11:22] <LunarMobile> Nice
[11:22] <amell> 30k burst alt at 6m/s up and 5m/s down gives me near lowestoft.
[11:22] <LunarMobile> Burst was 31.5 km or so
[11:22] <R34lB0rg> it's going to get stuck in DL1SGPs antenna
[11:23] <FuzzyLemon> it's an 800g hwoyee so i don't think it'll make 30km
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[11:23] <kokey> yeah aim for the antenna
[11:23] <kokey> but if I had to put money in it, it'll be the trees
[11:25] <AndyEsser> it's so going to ditch in the canal :)
[11:25] <daveake> That'd be a record. 2 flights 2 canals.
[11:25] <AndyEsser> did his first end in a canal?
[11:26] <daveake> yes
[11:26] <AndyEsser> haha
[11:26] <mfa298> Ben-AstroSoc: the more important part is trying to have it land somewhere sensible. Having it land in the middle of town will make tracking and recovering much harder as well as increase the risks of damage to persons/property or the payload going wandering after landing
[11:26] scorpion (52db251d@gateway/web/freenode/ip.82.219.37.29) joined #highaltitude.
[11:26] <AndyEsser> Hey scorpion
[11:27] <AndyEsser> Payload in IRC - that's novel :P
[11:27] Nick change: scorpion -> Guest84160
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[11:27] <Guest84160> Hi!
[11:27] <R34lB0rg> if you have a boat why not land on water
[11:28] <eroomde> if you have a bottle of something alkaline why not drink bleach
[11:28] <AndyEsser> lol
[11:28] <chris_99> heh
[11:30] <AndyEsser> interesting chase car route
[11:30] <AndyEsser> I'd have thought it'd be quicker to go on the 2 and up the 3 passed Burgdorf
[11:31] <Ben-AstroSoc> launching from my house might not be a terrible idea... if i'd've gone today it'd have burst over peterborough and it llooks like it comes down n the middlf oe nowhere
[11:31] <R34lB0rg> I know there are people stupid enough to drink bleah and call it miracle mineral supplement
[11:31] <amell> Ben-Astrosoc: if it burst over peterborough, i would have collected
[11:31] <FuzzyLemon> going outside to fill the balloon so ttfn.
[11:32] <Ben-AstroSoc> http://predict.habhub.org/#!/uuid=2b15501586ae7c0dbe9abe3fabaf91d677eb2052 no idea if the route shows up
[11:32] <amell> looks like lunars is headed for a forest
[11:32] <amell> hope he has poles
[11:33] <daveake> Germans usually know where to find them
[11:33] <AndyEsser> oooo
[11:33] <amell> lol
[11:33] <AndyEsser> that was harsh
[11:33] <eroomde> has anyone else on chrome noticed mathjax adding vertical bars at the end of each TeX rendering?
[11:33] <daveake> We're all friends here :)
[11:34] <eroomde> context is i was going to do a written version of my talk for the wiki
[11:34] <eroomde> anyway screenshot: https://www.dropbox.com/s/0germmhmyklwror/Screenshot%202016-02-12%2011.34.02.png?dl=0
[11:35] <eroomde> note the vertical bars
[11:35] <eroomde> they shouldn't be there. and they're not in firefox and safari but are in chrome
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[11:37] <R34lB0rg> schweinebruch...pigbreak
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[11:39] <Ben-AstroSoc> im gonna get into the habit of checking the predict from my house every day and see what sort of range i can expect i think
[11:40] <eroomde> get an hourly predictor set up
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[11:40] <Ben-AstroSoc> how easy is it to se that up?
[11:40] <AndyEsser> Ben-AstroSoc: pop over to #habhub and ask Upu to set up an hourly predictor
[11:40] <AndyEsser> he'll give you the instructions there
[11:40] Action: fsphil checks his hourly predictor. *sigh*
[11:40] <ProjectScorpion> Hi everyone, we're preparing for a HAB launch at 12:30 GMT
[11:40] <AndyEsser> woo
[11:41] <fsphil> http://predict.habhub.org/hourly/cookstown/
[11:41] <amell> ooooh. i didnt install fldigi on this new computer :( race against time.]
[11:41] <eroomde> so the string of dots are the locus of landing spots for a luanch now and every subsequent hour for the next 5 days
[11:41] <daveake> yeah not so bad here http://predict.habhub.org/hourly/oldgore/
[11:41] <eroomde> for a given set of flight conditions (ascent rate, burst altitude, descent rate etc)
[11:42] <Geoff-G8DHE> Landing prediction ? http://360.g8dhe.net/HAB_Flights/2016_Flights/OERNEN-II_20160212/OERNEN-II_201602121140.jpg
[11:42] <Ben-AstroSoc> right
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[11:42] <AndyEsser> http://predict.habhub.org/hourly/Llanferres/
[11:42] <Ben-AstroSoc> i'd imagine its not that accurate after maybe 24 hours?
[11:42] <AndyEsser> mines getting better :)
[11:42] <fsphil> we should probably plot the major airports on the map too
[11:42] <eroomde> it's accurate enough
[11:43] <amell> did nobody update dl-fldigi yet? 3.1 is latest?
[11:43] <Ben-AstroSoc> you launching from reading Andy?
[11:43] <AndyEsser> that Lachendorf tracker is going to be a big help getting close to the payload for Lunar
[11:43] <AndyEsser> Ben-AstroSoc: err... nope... North Wales
[11:44] <Ben-AstroSoc> ah
[11:44] <AndyEsser> click on any of the dots to show the flight path
[11:44] <mfa298> amell: on windows it's still the same binary, there's newer source in github that might work but that's probably easiest on Linux
[11:44] <Ben-AstroSoc> gotcha
[11:44] <R34lB0rg> look like it hit the trees
[11:45] <AndyEsser> R34lB0rg: give it a chance, last packet 50s ago had it at 260m
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[11:45] <SpacenearUS> New vehicle on the map: 03DL2MF-7_chase - 12http://tracker.habhub.org/#!qm=All&q=DL2MF-7_chase
[11:45] <R34lB0rg> accel_z changed and I don't think celle is at sea level
[11:46] <Geoff-G8DHE> Its about 44m at the landing site
[11:46] <AndyEsser> o0o another nearby chase car
[11:46] <daveake> There's a small gap to hit; might be lucky. Doubt it.
[11:46] <R34lB0rg> altitude is gps?
[11:47] <AndyEsser> it'll be in the lake to the left :P
[11:47] <R34lB0rg> is that a lake?
[11:47] <AndyEsser> blue on a map typically means body of water
[11:47] <AndyEsser> I believe
[11:47] <Geoff-G8DHE> lookspretty wooded on GE
[11:47] <R34lB0rg> looks like a hole in the ground or a horse/racing track to me
[11:48] <daveake> yeah switch to sat view
[11:48] <AndyEsser> that's going to be a fun hike :)
[11:48] <R34lB0rg> oh, the green in the second lake are probably water plants
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[11:49] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2016_Flights/OERNEN-II_20160212/index.php?ind=11
[11:49] <craag> AndyEsser: Pfft - looks easy
[11:49] <Ben-AstroSoc> bring an inflatable kayak
[11:49] <craag> ;)
[11:49] <daveake> hah craag
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[11:49] <AndyEsser> Geoff-G8DHE: love the ??? Landing Spot ???
[11:49] <AndyEsser> just to make doubly sure people know it's a prediction and not fact :P
[11:49] <daveake> My chase car now contains an inflatable boat, and foldable/telescopic ladder
[11:50] <daveake> which ofc I'll never need
[11:50] <amell> inflatable boat? seriously?
[11:50] <R34lB0rg> a recovery quad would be nice
[11:50] <mfa298> but the one time you leave them behind you will
[11:50] <Ben-AstroSoc> our car has a 20 odd meter pole in it for geting planes out of trees
[11:50] <mfa298> damn that Murphy guy
[11:50] <amell> does it include a full rubber protection suit with breathing apparatus?
[11:50] <eroomde> murphy's law is american
[11:50] <eroomde> no juristiction here
[11:50] <amell> for the times you land in a sewage works
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[11:51] <AndyEsser> DL1SGP: on site?
[11:51] <ProjectScorpion> Sewage works sound fun
[11:51] <R34lB0rg> murphy is the brother of feyman - he may be standing right next to you
[11:52] <AndyEsser> ProjectScorpion: I have to run to Tesco for lunch at 12.30 and then find a nice open space to set up - feel free to be a few mins late
[11:52] <AndyEsser> hehe
[11:52] <R34lB0rg> I bet we'll see pictures of a parachute and payload hanging in trees soon
[11:52] <AndyEsser> :P
[11:53] <ProjectScorpion> Thanks Andy
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[11:55] <LunarMobile> Had no internet in the woods
[11:55] <AndyEsser> found it?
[11:55] Nick change: fl__0 -> fl_0
[11:55] <fl_0> DL2MF-9 is also on the way :)
[11:55] <R34lB0rg> hmm, would be interesting to chase a landing hab with a fpv plane
[11:55] <LunarMobile> No driving towards it
[11:55] <LunarMobile> Yea :)
[11:55] <fl_0> http://aprs.fi/#!mt=roadmap&z=15&call=a%2FDL2MF-9&timerange=3600&tail=3600
[11:55] <AndyEsser> LunarMobile: as is DL1SGP
[11:56] <fl_0> jepp
[11:56] <fl_0> seems to become a nice recovery party
[11:56] <fl_0> should i come over?
[11:56] <fl_0> :p
[11:56] <AndyEsser> bunch of people meeting up in the middle of the woods....
[11:56] <Ben-AstroSoc> @r3alb0rg could try that if we get to the landing site quickly enough
[11:56] <Ben-AstroSoc> might bring a quad with me anyway
[11:57] Hix (~hix@97e055a4.skybroadband.com) joined #highaltitude.
[11:57] <LunarMobile> Cool
[11:58] <Ben-AstroSoc> we got decent pics from a quad of a rocket launch so might as well try with a HAB too
[12:00] <daey> fl_0: if yo ustart the party now i might make it in time :D
[12:00] <R34lB0rg> unfortunately i'm 750km away
[12:01] <fsphil> I don't think anyone's done radio relay via quad yet
[12:02] <AndyEsser> would be cool for the drone to seek out the payload that's landed and then station above it relaying
[12:02] <AndyEsser> :)
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[12:02] <Ben-AstroSoc> to be honest
[12:02] <AndyEsser> o0o0o
[12:02] <Ben-AstroSoc> that wouldn't be all that hard
[12:02] <mattbrejza> we have tried to find a payload with a quad
[12:02] <AndyEsser> drone deployed from payload!
[12:02] <mattbrejza> wasnt worth it
[12:02] <AndyEsser> auto deploy when it lands
[12:02] <daey> sounds pretty useless to stay over it though
[12:03] <eroomde> just a glider payload
[12:03] <eroomde> it's the answer
[12:03] <R34lB0rg> would be easy to spot
[12:03] <daey> add one of those grappling game hooks to it and bring the payload to you :p
[12:03] <fsphil> you'd have the coordinates anyway R34lB0rg
[12:03] <fsphil> might as well save power
[12:04] <SA6BSS-Mike> LunarMobile: was listening in but could not hear anything as there is a factory 1km from home using Peltor Hearing Protection tx ing on 434.400 , GL with your hab hunt :)
[12:05] <LunarMobile> Thanks :)
[12:05] <R34lB0rg> it would be really nice to catch the hab on the parachute
[12:05] <Ben-AstroSoc> drone mid air capture
[12:06] <R34lB0rg> might earn you a job offer from spacex
[12:06] <Ben-AstroSoc> ULA maybe
[12:06] <AndyEsser> o0 the package pinged 1m ago
[12:06] <eroomde> not unless you're american
[12:06] <AndyEsser> still receiving packets
[12:06] <eroomde> or can quickly marry one
[12:07] <Ben-AstroSoc> i mean if you're good enough they sponsor you in
[12:07] <Ben-AstroSoc> btu you have to be supidly good
[12:07] <Ben-AstroSoc> which is why i;m sticking to EU while applying to space companies :p
[12:08] <AndyEsser> Do people usually ask permission before entering fields? Or go on a "easier to ask forgiveness than permission" mentality?
[12:08] <Ben-AstroSoc> depends how close the farmer is :^)
[12:08] <R34lB0rg> big business never had a problem to get the people they want where they want
[12:09] <eroomde> it's hard for space stuff though
[12:09] <R34lB0rg> I even had a work permit for switzerland
[12:09] <Ben-AstroSoc> yeah for US you need a green card so companies aren't as likely to ship you uover
[12:09] <AndyEsser> Ben-AstroSoc: not true
[12:09] <Ben-AstroSoc> for space it is
[12:09] <Ben-AstroSoc> ITAR
[12:09] <AndyEsser> As in to be an astronaut?
[12:10] <Ben-AstroSoc> yeah
[12:10] <Ben-AstroSoc> ITAR means you need to be a us citizen or permenent resident
[12:10] <R34lB0rg> I may be able to claim returning resident status for the US
[12:10] <eroomde> a lot of the visas for exceptional people (like O-1 and so on) are only 3 years and that's usually considered too short to risk mil/space stuff on someone
[12:10] <AndyEsser> MATLAB said they'd sponsor my Visa if I went to them
[12:10] <AndyEsser> Ben-AstroSoc: didn't realise we were talking about being actual Astronaut :P
[12:10] <eroomde> totally not worth it
[12:10] <eroomde> matlab is dying
[12:10] <eroomde> long may it die
[12:10] <Ben-AstroSoc> space industry in general
[12:11] <Ben-AstroSoc> i'd like to think in a few years my resume would let them consnider it but i doubt i'll end up over there
[12:11] <Ben-AstroSoc> i thought MATLAB was rpretty well used
[12:11] <eroomde> no
[12:11] <AndyEsser> I toyed with the idea of going over to Boston for a year or two
[12:11] <AndyEsser> just as an 'adventure'
[12:11] <eroomde> it's pretty well used by a few defense companies
[12:11] <fsphil> you'd get sick of all the flags
[12:11] <AndyEsser> but I have no desire to live in the US longterm
[12:11] <kokey> actually big business has a problem getting skills in the UK for the past couple of years
[12:11] <eroomde> and universities who get it almost for free out of desperation
[12:11] <ProjectScorpion> we will be later than 12:30
[12:11] <eroomde> it's well-used in the snese that fortran is also well used
[12:11] <ProjectScorpion> 1300 is more likely
[12:11] <eroomde> there's a lot of legacy code about from very old slow programmes
[12:11] <Ben-AstroSoc> i mean i've barely been taught it so it cnatt behugely important
[12:12] <eroomde> but i wouldn't bother learning it
[12:12] <eroomde> not that it's hard to learn
[12:12] <Ben-AstroSoc> i'd love to work in space in teh US but it's such a long shot
[12:12] <eroomde> but i've not looked back since python
[12:12] <AndyEsser> tbh, I was tempted to get MATLAB to do some mathematical modelling
[12:12] <eroomde> no
[12:12] <AndyEsser> but since eroomde introduced me to ipython notebook and the likes.. I have no need
[12:12] <eroomde> that would be the stupidest money you could spend
[12:12] <AndyEsser> :P
[12:12] <Ben-AstroSoc> i need to be picking up labview and vhdl this semester anyway
[12:12] <eroomde> oh god
[12:12] <eroomde> both of those are terrible
[12:12] <AndyEsser> eroomde: is there anything you actually like? :P
[12:12] <eroomde> yes
[12:13] <kokey> the US immigration system is similar in madness to the UK at the moment, except for the EU freedom of movement
[12:13] <eroomde> the stuff i use
[12:13] <Ben-AstroSoc> theyre both actually pretty standard cmon
[12:13] <eroomde> labview is a cancer that needs to die. vhdl is fine
[12:13] <Ben-AstroSoc> i was told i need labview for my placemetn at RAL so gotta work it out soon
[12:13] <eroomde> i don't like it but it's fine, and there's not something obviously better outthere. I prefer verilog but not for particularly valid technical reasons
[12:13] <eroomde> but labview sucks
[12:13] Action: mattbrejza returns to his matlab...
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[12:14] <kokey> I think in the US h1b visas aren't subjected to quotas if it's for a university or university affiliated research department?
[12:14] <Ben-AstroSoc> i think i get taught it final year but not sure
[12:15] <Ben-AstroSoc> more annoyed i have to do remote modules on placement at the moment so
[12:15] <Geoff-G8DHE> LunarMobile, Your Object Movie awaits you ;-) http://360.g8dhe.net/HAB_Flights/2016_Flights/OERNEN-II_20160212/index.php?ind=1
[12:15] <eroomde> labview is sold as being something that lets people who can't program quickly create programs
[12:15] <LunarMobile> Thanks
[12:15] <eroomde> but the reality of that is that it actually lets people who *shouldn't* program create programs
[12:15] <fsphil> visual basic really
[12:15] <Ben-AstroSoc> i was told it'd be hepful for modelling/electronic testing
[12:15] <fsphil> php to an extent
[12:15] <Ben-AstroSoc> idk, apparently i need it on placement
[12:16] <eroomde> well you have my sympathy
[12:16] <eroomde> it sucks bad
[12:16] <Ben-AstroSoc> i've only used it once before with a torque sensor
[12:16] <kokey> eroomde: sounds a bit like microsoft excel
[12:16] <Ben-AstroSoc> so going in blind
[12:16] <kokey> which allows people who shouldn't program create programs and databases
[12:16] <AndyEsser> Geoff-G8DHE: o0 my old house is on there :)
[12:17] <kokey> so OERNEN-II got trees, was it recovered?
[12:17] <eroomde> you get these carbunckles of ladder logic that are unmaintainable
[12:18] <Ben-AstroSoc> if you wanna see unmaintainable logic you should see my avionics software for my hab
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[12:18] <Ben-AstroSoc> jk i don tthink it's completely terrible this time round
[12:19] <Geoff-G8DHE> AndyEsser, Many Old Houses on there!
[12:19] <AndyEsser> Well true... but... meh, nvm :P
[12:20] <Geoff-G8DHE> Now do we have time for Lunch before Scorpion ?
[12:20] <Ben-AstroSoc> he said 1300 so i think si
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[12:20] <AndyEsser> Yea
[12:20] <AndyEsser> time for me to get lunch and find somewhere open to try and track from the comfort of my car
[12:21] <Ben-AstroSoc> wheres this one launching from?
[12:21] <AndyEsser> 51.993152, -0.985673
[12:21] <Ben-AstroSoc> btw andy what radio are you using? need to find something not expensive
[12:21] <AndyEsser> I just have an RTL-SDR with the crappy Antenna it comes with (hence wanting to get out of the office to increase my chances)
[12:22] <AndyEsser> the Airspy with the Spyverter seems to be a good mid-ground between dirt cheap and buying an 'actual' radio
[12:22] <Geoff-G8DHE> Lets rely on ISH then
[12:22] <Ben-AstroSoc> i nearly bought a yagi off of farnell but figured i'd settle on a radio first
[12:22] <ProjectScorpion> Yes, there's plenty of time for lunch :)
[12:22] <AndyEsser> but is still ~£200
[12:22] <Ben-AstroSoc> yeeesh
[12:22] <AndyEsser> Ben-AstroSoc: I'll be getting a Yagi from farnell for my launch (or the first launch I go to at least) for DF
[12:23] <AndyEsser> Ben-AstroSoc: the RTL-SDR is like.. £30 I think
[12:23] <Miek> i just got the farnell yagi
[12:23] <R34lB0rg> rtl-sdr dongle is more like 10$
[12:23] <AndyEsser> Miek: what's it like for holding? I was wondering if I'd need to fashion some sort of grip/handle
[12:23] <amell> rtl-sdr is 6 quid
[12:23] <Ben-AstroSoc> can you plug the yagi into the rtl-sdr? not looked into this hugely yet
[12:23] <Miek> AndyEsser: not great, you probably would want to fashion something
[12:23] <AndyEsser> R34lB0rg: website says $24.95 + shipping
[12:24] <mfa298> getting something like the wsm-270 magmount antenna should increase your chances a fair bit over the antenna the rtlsdr comes with
[12:24] <Ben-AstroSoc> if you use one of the big antennae do oyu need a radio or
[12:24] <AndyEsser> Ben-AstroSoc: yes - the Farnell one at least comes with an SMA connector so should just connect straight in
[12:24] <Miek> AndyEsser: i guess the mounting plate could be unscrewed which would improve it
[12:24] <amell> just dont buy anything RP-SMA
[12:25] <Ben-AstroSoc> so i need to find a radio over the rtl-sdr?
[12:25] <AndyEsser> Miek: shall probably order mine ahead of time so I can spend time working out what to do with it
[12:25] <AndyEsser> mfa298: does it make that big a difference? looks almost identical
[12:25] <amell> i just use a rtl-sdr. works fine
[12:25] <Ben-AstroSoc> oki
[12:25] <R34lB0rg> AndyEsser, http://www.ebay.com/itm/USB-2-0-Digital-DVB-T-SDR-DAB-FM-HDTV-TV-Tuner-Receiver-Stick-RTL2832U-R820T2-F5-/111828055253
[12:25] <amell> with an X-50 clone
[12:25] <Ben-AstroSoc> so farnell yagi and rtl-sr will work fine?
[12:25] <mfa298> Ben-AstroSoc: you should be able to connect most antennas to most radios, you just need a cable with suitable connectors
[12:26] <Ben-AstroSoc> a'ight, wasnt sure if the sdr dongles were particularly different to a full radio
[12:26] <AndyEsser> R34lB0rg: I was going by the actual RTL-SDR rather than just a generic DVB tuner - since it's known to work with SDR# etc
[12:26] <mfa298> AndyEsser: the wsm-270 (and other similar magmount) antennas are designed for 434MHz (and 145MHz) so are much more efficient. the little antennas the rtl sdr's normally come with are designed for TV
[12:27] <AndyEsser> mfa298: ah ok - gotcha
[12:27] <AndyEsser> suppose yea the RTL-SDR one I got was just a telescopic one
[12:27] <AndyEsser> the small one at full height is about perfect length for a 1/4 wave whip
[12:27] <R34lB0rg> AndyEsser, got several of them - every one worked with rtl-sdr
[12:27] <AndyEsser> kk
[12:27] <AndyEsser> Well, I can only make recommendations based on my own experience - hence why I said what I did
[12:28] <mfa298> Ben-AstroSoc: some of the real radios or other sdrs have more sensitive recievers and better filtering than the rtl-sdr, but the rtlsdrs do a reasonable job (and I think the R820T2 is supposed to be more sensitive than the older generations)
[12:28] <R34lB0rg> is there software to use data from several rtl-sdr dongles to boost snr?
[12:28] <Ben-AstroSoc> cool, thanks, i'll look into it over the weekend and order something in
[12:29] <Miek> http://www.cosycave.co.uk/ - the UK's premier source for weird health supplements and cheap rtlsdr stuff
[12:29] <mfa298> AndyEsser: a telescopic antenna might be better, most the the rtlsdr's I've used just come with a small magmount antenna that works for tv but not much more
[12:29] <AndyEsser> the one I got came with 2
[12:29] <AndyEsser> small and large
[12:29] <R34lB0rg> some come with small telescopic antennas
[12:29] <AndyEsser> the large one goes up to about 1.5m full extension
[12:30] <AndyEsser> Anyway - lunch time and then time to set up
[12:30] <AndyEsser> shall be back forewith
[12:30] <AndyEsser> forthwith*
[12:30] <Ben-AstroSoc> i'm off too, catch you lter
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[12:36] <ProjectScorpion> We're estimating launch at about 13:15, we had some issues with our onboard cameras
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[12:37] <amell> ah. ISH then
[12:46] Kai-Uwe (5d83afd0@gateway/web/freenode/ip.93.131.175.208) joined #highaltitude.
[12:47] <Kai-Uwe> Oernen-II gefunden ?
[12:47] alan5 (~quassel@167.88.36.226) left irc: Quit: No Ping reply in 180 seconds.
[12:48] alan5 (~quassel@167.88.36.226) joined #highaltitude.
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[12:52] <AndyEsser> Right - back
[12:52] <AndyEsser> sat in a car park of a football stadium with an antenna stuck on the roof of my car
[12:52] <AndyEsser> :)
[12:52] <AndyEsser> normal Friday lunchtime, right?
[12:53] <mattbrejza> sounds like a fun job
[12:55] <AndyEsser> although if they don't launch until 13.15 then I doubt it'll be over the horizon before I have to go back to work :(
[12:56] SQ5KVS (53ee57c3@gateway/web/freenode/ip.83.238.87.195) joined #highaltitude.
[12:56] <SQ5KVS> Hi Altitude!
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[12:57] <Kai-Uwe> hi SQ#
[12:57] <tweetBot> @LeadHyperion: Perfectly normal to sit in a car park with a laptop tracking a balloon... Right? #UKHAS https://t.co/uJRU0ZmrlR
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[12:59] <Kai-Uwe> Andy rulez
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[13:00] <AndyEsser> Kai-Uwe: nah I don't ;)
[13:00] <Kai-Uwe> LUnar have you your tracker back ?
[13:00] amell (~amell@graveley.plus.com) joined #highaltitude.
[13:00] <Kai-Uwe> Andy nice picture but Steering wheel is on the wrong side ;)
[13:00] ProjectScorpion (52db251d@gateway/web/freenode/ip.82.219.37.29) joined #highaltitude.
[13:01] <AndyEsser> Kai-Uwe: ha nope - it's on the correct side ;)
[13:01] <ProjectScorpion> We're back
[13:01] <AndyEsser> o/
[13:01] <Upu> but are you up ?
[13:02] <ProjectScorpion> Inflating :)
[13:02] <Upu> rgr
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[13:03] <AndyEsser> half expecting someone to come up to me and ask what I'm doing
[13:03] <AndyEsser> "stealing your wifi passwords"
[13:03] <AndyEsser> :)
[13:06] <Kai-Uwe> cool
[13:07] <AndyEsser> ProjectScorpion: ETA?
[13:07] <fl_0> DL2MF-9 is leaving touchdown location
[13:08] <Vaizki> just tell them you are doing electromagnetic smog measurements
[13:08] <AndyEsser> calibrating my flux capacitor
[13:08] <ProjectScorpion> ETA 5 mins
[13:09] <AndyEsser> sweet
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[13:10] <Vaizki> oh lunar's payload is already down...
[13:11] <Vaizki> that was a quickie
[13:11] <AndyEsser> twss
[13:11] <mfa298> AndyEsser: reading back 10 minutes, not just the correct side, it's the *right* side.
[13:12] <AndyEsser> I was trying to avoid that :P
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[13:13] <ProjectScorpion> Nearly launching!
[13:13] <Geoff-G8DHE> Oh good just ran another prediction no major changes
[13:14] ntx2 (6d0cc7e0@gateway/web/freenode/ip.109.12.199.224) joined #highaltitude.
[13:15] <ProjectScorpion> launching
[13:15] <AndyEsser> 5
[13:15] <AndyEsser> 4
[13:15] <AndyEsser> 3
[13:15] <AndyEsser> 2
[13:15] <AndyEsser> 1
[13:15] <AndyEsser> gooo
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[13:16] <amell> someone stole my BNC to SMA converter :(
[13:16] <Upu> 434.500 at Upu's house today not good http://i.imgur.com/GTBZ3qj.png
[13:16] <ntx2> Hello: Need some advice on usage of ADC with Raspberry pi.
[13:16] <Upu> !dial SCORPION
[13:16] <SpacenearUS> 03Upu: Latest dials for 03Project Scorpion 10(01ad): none
[13:17] <AndyEsser> Fly my pretties!
[13:17] <AndyEsser> Get over the horizon so I can capture it :)
[13:17] <ntx2> Can I use 5V as VDD and VREF on a MCP3008 since I do not have 3.3V pins free on my pi?
[13:18] <daveake> what does the datasheet say?
[13:18] <AndyEsser> ProjectScorpion: not climbing?
[13:19] <ntx2> The MCP3008 spec sheet says that 5V is fine
[13:19] <ntx2> but all the documentation on usage oc MCP3008 talk about 3.3V
[13:19] <ntx2> and that is why I felt that I might be doing something wrong...since I do not fully understand how ADC uses VREF
[13:19] <Kai-Uwe> "<amell> someone stole my BNC to SMA converter :(" in nor owen Shack
[13:19] <ProjectScorpion> Actually up now, sorry false alarm earlier
[13:20] <AndyEsser> A:)
[13:21] <Geoff-G8DHE> Are you really in the Netherdland Scorpion or have you got your co-ords wrong ... ;-)
[13:21] <AndyEsser> :P
[13:21] <fl_0> scorpion really in holland?!
[13:21] <fl_0> :D
[13:22] <ProjectScorpion> Haha, shouldn't be in Holland!
[13:22] <fl_0> ;)
[13:23] <AndyEsser> wrong maidenhead locator?
[13:23] <daveake> 11m/s ... didn't spare the gas, did you? :)
[13:23] <AndyEsser> Why am I not on the map :(
[13:23] <Geoff-G8DHE> !dial scorpion
[13:23] <SpacenearUS> 03Geoff-G8DHE: Latest dials for 03Project Scorpion 10(01ad): 03434.50057 MHz, 434.5002 MHz, 434.501 MHz, 434.5008 MHz
[13:24] <fl_0> AndyEsser: I guess the icon on the map is derived from tha lat/lon setttings
[13:24] <mfa298> AndyEsser: map location is only based on lat/lon/alt in the dl-client bit of the config
[13:24] <fl_0> and not from maidenhead loc
[13:24] <fl_0> mfa298: :)
[13:24] <fl_0> my saying
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[13:24] <mfa298> I think maidenhead location is something used more in the base fldigi when used for transmitting
[13:25] <AndyEsser> mfa298: yea, done that bit as well
[13:25] <AndyEsser> does it only show up when I get my first packet through?
[13:25] <fl_0> nope
[13:25] <fl_0> as soon as dl-client is online
[13:25] <daveake> ntx2 The mcp3008 is an SPI part, so you'll need to power it from 3.3V as that's what the Pi SPI bus runs at
[13:25] <Upu> !dial SCORPION
[13:25] <SpacenearUS> 03Upu: Latest dials for 03Project Scorpion 10(01ad): 03434.501 MHz, 434.5008 MHz, 434.5002 MHz, 434.50057 MHz
[13:25] <fl_0> nothing to do witch decoding
[13:25] <mfa298> it's not always obvious but you need an altitude set as well, I tihnk it usually only updates when dl-fldigi is started and/or you go to online mode
[13:25] <AndyEsser> set it to 0
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[13:27] <AndyEsser> ProjectScorpion: how often is telem sent?
[13:27] <AndyEsser> oo
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[13:27] <R34lB0rg> anyone tried ecef for telemetry yet?
[13:28] <AndyEsser> !dial scorpion
[13:28] <SpacenearUS> 03AndyEsser: Latest dials for 03Project Scorpion 10(01ad): 03434.5002 MHz, 434.5008 MHz, 434.501242 MHz, 434.501 MHz, 434.50057 MHz
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[13:31] <ProjectScorpion> Back again, chase van moving out now!
[13:31] <Geoff-G8DHE> Ah starting to decode
[13:31] <AndyEsser> still nothing here for me :(
[13:32] <AndyEsser> I might have to concede that tracking is impossible for me until I get better antennae etc
[13:32] <Vaizki> how far away are you?
[13:32] <R34lB0rg> AndyEsser, wait for it to gain altitude
[13:33] <AndyEsser> couple hundred miles
[13:33] <AndyEsser> but I'm running out of time
[13:33] <AndyEsser> :(
[13:33] <AndyEsser> should really be back in the office now
[13:33] <R34lB0rg> bad schedule
[13:33] <AndyEsser> yea, I should've taken my lunch at 1300 not 1230
[13:33] <Vaizki> oh ok.. well you'd have to get pretty high to get it then
[13:34] <R34lB0rg> horizon of the balloon is only 53km yet
[13:34] <Vaizki> I mean high antenna ASL.. not high as in.. you know.
[13:34] <R34lB0rg> AndyEsser, where are you?
[13:34] <Vaizki> no the horizon is 250km+
[13:34] <AndyEsser> It should possible if I'm in the blue circle, right?
[13:34] <ntx2> Thanks daveake. Is it ok if I take the output from 5V pin of a pi and bring it down to 3.3 using voltage dividers?
[13:34] <SpacenearUS> New vehicle on the map: 03SCORPION_chase - 12http://tracker.habhub.org/#!qm=All&q=SCORPION_chase
[13:34] <AndyEsser> o0o0o
[13:35] <AndyEsser> $SX0
[13:35] <AndyEsser> that's... close
[13:35] <AndyEsser> :P
[13:35] <R34lB0rg> I see a green circle but no idea what that is if not the horizon
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[13:35] <AndyEsser> !dial scorpion
[13:35] <SpacenearUS> 03AndyEsser: Latest dials for 03Project Scorpion 10(01ad): 03434.50065 MHz, 434.50075 MHz, 434.50057 MHz, 434.501242 MHz, 434.5002 MHz, 434.500651 MHz, 434.5008 MHz
[13:35] <ntx2> I am not sure if that will cause issues with the ADC output (i.e., converting the analog input from the UV sensor to digital)
[13:35] <Geoff-G8DHE> Blue circle is 0 degree horizon
[13:35] <R34lB0rg> ntx2, pi gpio are 3.3v
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[13:35] <Geoff-G8DHE> Green is +5 degree
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[13:36] <ProjectScorpion_> Andy where are you trying to track from? :)
[13:36] <AndyEsser> Chester
[13:36] <mfa298> with a decent setup and location it should be possible to receive at least something once you're in the blue circle, for most setups you should be good once it's in the green
[13:36] <AndyEsser> fair enough
[13:36] <Geoff-G8DHE> On a small aerial your being hopeful until the green circle is closer
[13:36] <AndyEsser> might have to forego this one
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[13:37] <Vaizki> AndyEsser: blue circle can be difficult if you don't have perfectly clear LoS
[13:37] <Vaizki> and even then maybe a 7 elem yagi would be the tool of choice :)
[13:37] <ntx2> it is true that there are a couple of 3.3V pins on the GPIO which I have already used up for measuring other parameters
[13:38] <ntx2> so I am now stuck with only a free 5V pin and the 3.3V pins are all taken
[13:38] <R34lB0rg> ntx2, you'll fry the gpio part of the soc if you connect 5v to gpio
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[13:39] <ntx2> sorry..I am confused
[13:39] <R34lB0rg> ntx2, use a Y cable
[13:39] <ntx2> I will fry the ADC -?
[13:39] <Vaizki> what is going on here...
[13:39] <FuzzyLemon> payload may have skimmed a tree top on th way up
[13:40] <Vaizki> ntx2: maybe explain again what you want to do..
[13:40] <ntx2> if you see the datasheet for MCP3008 - https://www.adafruit.com/datasheets/MCP3008.pdf, it gives all their specs in 5V for VDD and VREF
[13:40] <ntx2> Vaizki: sure. here goes.
[13:40] <ntx2> I had a payload built and almost ready to go with Pi - it had temp and pressure sensors and GPS etc
[13:40] <ProjectScorpion_> We hit a tree just after takeoff, payload seemed ok though
[13:41] <ntx2> and now I had to delay the launch due to weather and so I am adding a UV sensor ML8511 which is analog and so I need to use MCP3008 (ADC)
[13:41] <ntx2> so I am wondering if I can provide VDD and VREF for the ADC from the 5V pin of the pi since the 3.3V pins are all taken
[13:42] <ntx2> mainly this will help me understand how ADCs work
[13:42] <ntx2> and how to interpret the results
[13:42] <ntx2> I know that the easier solution is to just use a Y cable and get another 3.3V
[13:42] <ntx2> but how ADCs work and how to interpret them is still a mystery to me
[13:42] <ntx2> after reading some Dr.Google Thesis
[13:43] <Vaizki> oh ok.. well yes you can power the MCP3008 with 5V
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[13:43] <Vaizki> but for the Pi to talk to the ADC, you have to level shift the comms
[13:44] Nick change: junderwood -> M0JCU_junderwood
[13:44] <ntx2> ok
[13:45] <Vaizki> easier to just use 3.3V for ADC as well
[13:45] <AndyEsser> ProjectScorpion_: think you have enough people tracking it? :P
[13:45] <R34lB0rg> the MCP3008 works from 2.7-5.5V, your raspberry requires 3.3v
[13:46] <ntx2> when you talk about level shifting...is it related to the 3.3V and 5V logic levels?
[13:46] <Vaizki> well RasPi has both 5V (USB) and 3.3V (SoC) power but you should just do everything in 3.3V really
[13:46] <ntx2> but remember that I am not powering the pi from MCP3008. Pi is powered by USB
[13:46] <R34lB0rg> 5V is only used for the usb ports
[13:46] <Vaizki> ntx2: yes, if you power the ADC with 5V then you need to level shift the 3.3V SPI to 5V SPI
[13:46] <ProjectScorpion_> Haha, hope so Andy ;)
[13:47] <Vaizki> R34lB0rg: yes thank you I know
[13:47] <AndyEsser> Upu: got a link to the antenna you're using to receive Scorpion?
[13:47] <ntx2> so basically if I use 5V as VREF and VDD, the max value that the ADC can interpret will be 5V and not 3.3V
[13:47] <Vaizki> ntx2: how are you building this? you have a custom PCB or perfboard?
[13:48] <ntx2> and that is how I can interpret it...?
[13:48] <ntx2> this is my first HAB and electronic project
[13:48] <ntx2> so no custom PCB..I am using a lot of wires and perfboards
[13:48] <ntx2> which makes me nervous :(
[13:48] <ntx2> I am trying to see how I can reduce the mass of wires...
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[13:49] <Vaizki> ntx2: yes the ADC range will be ground-Vref
[13:49] <Upu> its a Tonna Pro XL 19 element
[13:49] <Upu> https://dl.dropboxusercontent.com/u/63720513/Images/HAM/Rotator/IMG_0796.JPG
[13:49] <AndyEsser> Ah you have it on a rotator?
[13:50] <Vaizki> and 10bit resolution which means 1024 steps.. so for 5V each step is 5/1024V
[13:50] <Vaizki> but just go 3.3V pleaaase :)
[13:50] <ntx2> that last comment is very confusing
[13:50] <ntx2> why should I go for 3.3V?
[13:50] <AndyEsser> ntx2: think of everything on the Pi as running at 3.3v
[13:50] <ntx2> I mean if I have 5V then the ADC has a larger range or better range?
[13:50] <AndyEsser> if you shove 5v into it, you'll fry it
[13:51] <adamgreig> at 5v the adc has a larger range but lower resolution
[13:51] <Upu> Yes AndyEsser
[13:51] <M0JCU_junderwood> ProjectScorpion_, do you have the boat ready?
[13:51] <Upu> and a LNA/Filter about a meter from the mast head
[13:51] <gonzo_> rotator and elevaror
[13:51] <Vaizki> it's better to scale your input signal to 3.3V than to split your logic between 3.3V and 5V in my opinion
[13:51] <AndyEsser> Upu: ah ok - so quite a fancy setup :P
[13:51] <adamgreig> especially if your sensor can run off 3v3 too
[13:51] <adamgreig> :P
[13:52] <Vaizki> well yes :)
[13:52] <Upu> yes AndyEsser :)
[13:52] <AndyEsser> Ta Upu
[13:52] <gonzo_> I fend that pointing just above the horizon is all that is needed
[13:52] <gonzo_> for closer/higher habs, the omni is better.
[13:53] <gonzo_> But the el rototor is a must for satellite work
[13:53] <ProjectScorpion_> If only M0JCU...
[13:53] <ProjectScorpion_> Fingers crossed
[13:53] <Upu> I never elevate
[13:53] <ntx2> ok...makes sense
[13:53] <ntx2> I will use 3.3V
[13:53] <ntx2> thanks for the guidance
[13:54] <AndyEsser> ProjectScorpion_: what's the payload?
[13:54] <AndyEsser> Teddies/Lego?
[13:54] <AndyEsser> :)
[13:54] <ntx2> a separate question on how to interpret a sensor - ML8511 - https://cdn.sparkfun.com/datasheets/Sensors/LightImaging/ML8511_3-8-13.pdf
[13:54] <Geoff-G8DHE> Climb rate is a bot low on Scorpion
[13:55] <ntx2> it is sensitive to both UV types A and B (they have a graph on page 4 on how it responds
[13:55] <ProjectScorpion_> payload has cameras and a blood experiment
[13:55] <ntx2> but if I use this sensor on my payload and up in the stratosphere it will encounter both UV types A and B. how to interpret the results?
[13:56] <AndyEsser> ProjectScorpion_: ah yes ,apologies - do remember reading about the blood stuff
[13:58] <R34lB0rg> ntx2, you will have a combined reading unless you use a optical filter
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[14:01] <mattbrejza> where is the chasecar going?
[14:01] <AndyEsser> North, apparently
[14:01] <AndyEsser> getting on the M1?
[14:01] <FuzzyLemon> we are stuck in traffic
[14:01] <AndyEsser> ah
[14:02] <amell> MK on a friday afternoon? good luck with that one
[14:02] <AndyEsser> heh
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[14:05] <ntx2> yes...I do have a optical filter also
[14:06] <AndyEsser> So what's the question?
[14:06] <AndyEsser> You filter out A you get the B value
[14:06] <AndyEsser> you filter out B you get the A
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[14:09] <AndyEsser> !dial SCORPION
[14:09] <SpacenearUS> 03AndyEsser: Latest dials for 03Project Scorpion 10(01ad): 03434.500696 MHz, 434.50075 MHz, 434.5008 MHz, 434.501242 MHz, 0.006 MHz, 434.500688 MHz, 434.50068 MHz, 434.5002 MHz, 434.5009 MHz
[14:10] <ntx2> so I will have one with a filter for A and B...but I was planning on leave one sensor with no filter
[14:10] <ntx2> and so wondering how to interpret the results on that one
[14:10] <ntx2> is it a sum of all UV rays found?
[14:10] <AndyEsser> the results of the no-filter on will be A + B
[14:10] <ntx2> ok..thanks
[14:10] <ntx2> that makes sense
[14:10] <fab4space> hello all
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[14:11] <fab4space> daveake, for you next Launch on tuesday for the 868 ssdv do we need to use a new LoRa gateway?
[14:11] <daveake> ideally - the old one will miss packets
[14:11] Nick change: number10_ -> number10
[14:12] <daveake> due to still uploading to habitat/ssdv when the next packet lands
[14:12] <amell> just new software?
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[14:12] <daveake> no changes to the hardware
[14:12] <daveake> ofc you need an 868 module not a 434 one
[14:13] <ntx2> Fab4space: Are you launching next Tuesday?
[14:13] <daveake> and an 868 aerial
[14:13] <ntx2> from somewhere in France?
[14:13] <AndyEsser> Interesting, at 434.506MHz have a little slither of very very low background noise...
[14:13] <amell> why move 434->868?
[14:13] <daveake> bandwidth
[14:13] <fab4space> ntx2, no this is daveake launch :)
[14:13] <amell> that much more?
[14:13] <fab4space> with highest bandwith for SSDV ever tempted :)
[14:13] <daveake> yes lots more
[14:13] <ntx2> ah nice
[14:14] <fab4space> that's gonna be awesome :)
[14:14] <daveake> I did it before fab4space
[14:14] <daveake> not with the repeating
[14:14] <amell> x2? or more?
[14:14] <daveake> x10
[14:14] <AndyEsser> daveake: 868MHz needs a license? or still an ISM type thing?
[14:14] <fab4space> daveake, was it with ssdv?
[14:14] <daveake> ism
[14:14] <daveake> yes
[14:14] <fab4space> what were the results and the antennas you used?
[14:14] <amell> surprised its 10x more, did you expand the frequency range?
[14:15] <fab4space> 250khz bandwith
[14:15] <daveake> 10x bandwidth
[14:15] <daveake> lots of missing packets last time, but my internet then got overloaded
[14:15] <amell> sorry, i meant throughput in packets.
[14:15] <amell> i.e. upload bandwidth in bits/s
[14:15] <fab4space> you mentionned that you have updated lora gateway with separate threads for ssdv upload isn't it?
[14:15] <daveake> The packets use 10x the bandwidth (well, more actually) so they are 1/10th of the time
[14:16] <amell> cant use this 250khz on 434?
[14:16] <daveake> yes there's a habitat upload thread and 4 ssdv upload threads. The latter work from a packet buffer, in case the internet slows down or drops for a while
[14:16] <daveake> no amell
[14:16] <daveake> not at 100% DC
[14:16] <amell> ahhhh
[14:16] <amell> now im with you
[14:17] <daveake> No point using 10x BW if you have to use 10% DC
[14:17] <amell> i guess car alarms and house alarms and doorbells will go off on the path of this hab :)
[14:17] <fab4space> also we can use the same bw with 27dBm at 868mhz but unfortunately with 10% DC :(
[14:17] <fl_0> !dial SCORPION
[14:17] <SpacenearUS> 03fl_0: Latest dials for 03Project Scorpion 10(01ad): 03434.50075 MHz, 434.50057 MHz, 434.501242 MHz, 434.500688 MHz, 434.5002 MHz, 434.500683 MHz, 434.5008 MHz, 0.006 MHz
[14:18] <daveake> yeah, there's always a catch, whether it's BW, DC or power
[14:18] <gonzo_> most of that stuff is at 434meg in the uk
[14:18] <mfa298> amell: that's the bit where you need to start reading all the notes in ir2030. the 434MHz options are fairly simple compared to some of whats in 868
[14:18] <daveake> yeah I drew a simplified chart
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[14:21] <daveake> I did a flight once with 2 transmitters in 434, to double the throughput.
[14:21] <daveake> Doing that 10x might be taking the p somewhat :)
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[14:22] Nick change: xfce -> Guest87744
[14:23] <FuzzyLemon> does the predictor predict burst altitude based on ascent rate?
[14:23] <Upu> splash. I mean yes
[14:23] <mattbrejza> i thought it was fixed at 30km or has that been changed?
[14:23] <Upu> I can find out which boat I used
[14:24] <Upu> oh sorry burst altitude
[14:24] <Upu> no its set to 30km for your flight
[14:24] <Upu> what is it meant to burst at ?
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[14:24] <Upu> I can put an over ride in
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[14:24] <DL1SGP> OERNEN-II retrieved and handed to launch team
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[14:25] <Upu> super
[14:25] <Geoff-G8DHE> Good!
[14:25] <fl_0> DL1SGP: congrats
[14:25] <PE2BZ> !dial scorpion
[14:25] <SpacenearUS> 03PE2BZ: Latest dials for 03Project Scorpion 10(01ad): 03434.50075 MHz, 434.500679 MHz, 434.5008 MHz, 434.501242 MHz, 0.006 MHz, 434.500688 MHz, 434.5002 MHz, 434.500669 MHz, 434.50057 MHz, 434.5009 MHz, 434.50068 MHz
[14:25] <eroomde> FuzzyLemon: what's the payload mass?
[14:25] <eroomde> we can set a better burst alt
[14:25] <DL1SGP> abt 800g
[14:25] <eroomde> the payload mass is 800g?
[14:25] <DL1SGP> ah no that was OERNEN-ii sorry folks
[14:25] <DL1SGP> just rushed back in
[14:26] <FuzzyLemon> 1250g
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[14:27] <eroomde> hmm
[14:27] <DL1SGP> OERNEN-II was stuck in a tree, payload was functional until 14:14 LOCAL then fan deactivated. a first check of the students has indicated that all systems were functional. they are currently returning home
[14:27] <eroomde> burst at 4m/s is 30km on the nose
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[14:27] <DL1SGP> recovery was a joint operation together with DL2OAU and DL2MF
[14:27] <eroomde> Upu: so the prediction is correct
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[14:28] <amell> lowestoft bound?
[14:28] <eroomde> suspect you might not be getting it back
[14:28] <eroomde> unless it bursts prematurely
[14:28] <Upu> fingers cross Pawan performs like a Pawan
[14:28] <amell> thats what i suspected, hope it lands on the beach
[14:28] <eroomde> it wa sa howyee 800 someone said Upu
[14:28] <AndyEsser> Upu: known to burst early?
[14:28] <Upu> oh Hwoyee
[14:28] <FuzzyLemon> i hope it burst early
[14:28] <eroomde> so it should behave, give or take
[14:29] <amell> the target ascent rate was 6m/s
[14:29] <Upu> Hwoyee's are a little random usually go higher
[14:29] <amell> it was under target so...
[14:29] <eroomde> the vertical velocity is increasing a bit tho
[14:29] <eroomde> might be sheer
[14:29] <eroomde> shear*
[14:29] <Kai-Uwe> attention ....- attention
[14:29] <Kai-Uwe> Next week DLOCRE - 11 .BIG event relates in West Germany
[14:29] <eroomde> well, fingers crossed FuzzyLemon
[14:30] <fl_0> Kai-Uwe: interesting ... .)
[14:30] <eroomde> but it think it could be a little tight
[14:30] <FuzzyLemon> i will go swimming if necessary
[14:31] <AndyEsser> quite a long swim
[14:31] <AndyEsser> :P
[14:31] <craag> 30km is a long swim
[14:31] <fl_0> Kai-Uwe: DF3DCB?
[14:31] <M0JCU_junderwood> I think Upu's offer of a boat contact is worth investigating
[14:31] <craag> doubt the north sea is a pleasant temperature either!
[14:31] <M0JCU_junderwood> If you hire a boat, you are unlikely to need it ...
[14:31] <amell> will it float?
[14:32] <FuzzyLemon> its polystyrene so yes
[14:32] <ProjectScorpion_> Sorry, it'sbeen a bit quiet on our end. Currently we can't get a signal to track the balloon with
[14:32] <AndyEsser> is that the HAB equivalent of "Will it blend?"
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[14:32] <craag> AndyEsser: Well both are usually followed with "Well we're about to find out..."
[14:32] <AndyEsser> hehe
[14:33] <M0JCU_junderwood> ProjectScorpion_, plenty of other people tracking. Just head for the coast
[14:33] <M0JCU_junderwood> .... of Holland
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[14:33] <ProjectScorpion_> :D
[14:33] <amell> what is mammalian blood ?
[14:34] <eroomde> it's v rate is all over the place
[14:34] <eroomde> and the horizontal rate is taking off
[14:34] <AndyEsser> amell: blood from a mammal?
[14:34] <eroomde> so it's probably pretty choppy up there
[14:34] <amell> theres quite a lot of different mammals
[14:34] <AndyEsser> humans are mammals ;)
[14:34] <FuzzyLemon> it's actually human blood
[14:34] <amell> awesome
[14:34] <FuzzyLemon> the pig blood went bad
[14:34] <AndyEsser> haha
[14:35] <eroomde> did you sacrifice a pupil?
[14:35] <AndyEsser> I can imagine the in-field discussions
[14:35] <amell> black pudding
[14:35] <AndyEsser> "Pupils, for extra marks, who will volunteer and donate some blood?"
[14:35] <amell> please open your artery momentarily
[14:35] <AndyEsser> probably better to take it from a vein...
[14:36] <amell> what are you expecting to happen to this blood, apart from freeze?
[14:37] <ProjectScorpion_> Maybe boil, since there's less peessure
[14:37] <adamgreig> maybe they're investigating the murder by high altitude asphyxiation of someone and need to check the blood looks right and they weren't in fact killed beforehand and sent up as an elaborate decoy
[14:37] <adamgreig> classic murder plot
[14:37] <AndyEsser> CSI: HAB
[14:37] <eroomde> nice one columbo
[14:37] <ProjectScorpion_> Damn, we've been caught read handed
[14:37] <eroomde> habatha christie
[14:37] <ProjectScorpion_> *red
[14:37] <eroomde> or something
[14:38] <AndyEsser> eroomde: that was terrible
[14:38] <AndyEsser> but A for effort
[14:38] <gonzo_> you have bllod on your hands then?
[14:38] <amell> it was, dreadful
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[14:39] <gonzo_> how would forensics deal with it, someone brained by a falling lump of frozen blood, thay then thaws
[14:40] <AndyEsser> gonzo_: I remember wathching some show, can't remember what, and the victim was stabbed with an ice... dagger...whilst in the shower which then promptly melted
[14:40] <eroomde> jonathan creek?
[14:40] <AndyEsser> no
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[14:43] <mfa298> I think that might have been a Castle episode
[14:43] <AndyEsser> mfa298: that's more likely
[14:43] <AndyEsser> I really need to catch up on that show
[14:45] <DeltaK6GB> hi
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[14:51] <fab4space> daveake, you have not commited yet the 4 threads ssdv upload in https://github.com/PiInTheSky/lora-gateway isn't it?
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[14:52] <amell> What descent rate is expected?
[14:52] <amell> it might still land on the beach
[14:53] <AndyEsser> 5
[14:54] <DL1SGP> fingers crossed for the SCORPION
[14:54] <amell> looking a little more hopeful
[14:54] <amell> will it or wont it
[14:54] <AndyEsser> *flies out to sea* "nah I don't fancy the water today" *does u-turn?*
[14:54] <DL1SGP> float or not to float, that is the question
[14:54] <AndyEsser> -?
[14:55] <amell> depends on early burst...
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[14:58] <AndyEsser> o0o we might actually get a Nuclear Plant landing if it ends up in Sizewell
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[14:59] <AndyEsser> Aww, there goes that idea
[15:00] <eroomde> the vertical ascent rate is very noisy
[15:00] <ProjectScorpion> Finally back, this 4G dongle is terrible
[15:00] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2016_Flights/Scorpion_20160212/index.php?ind=4
[15:01] <eroomde> i hope scorpion chase can gain some ground now
[15:01] <eroomde> a14 all the way
[15:01] <AndyEsser> because that's such a fast road...
[15:02] <ProjectScorpion> Hope so
[15:03] <eroomde> might be heading into cambridge
[15:03] <eroomde> (the opposite way to everyone else)
[15:04] <AndyEsser> 2 HAB's in one day flying pretty much over my old houses :)
[15:04] <eroomde> 130mph
[15:04] <eroomde> the hab not the car
[15:04] <FuzzyLemon> hurry up anf
[15:04] <FuzzyLemon> and burst!!
[15:04] <SpacenearUS> New position from 03KF7RCV-11 after 0312 hours silence - 12http://tracker.habhub.org/#!qm=All&q=KF7RCV-11
[15:04] <AndyEsser> FuzzyLemon: heh
[15:04] <eroomde> vertical ascent really is all over
[15:04] <eroomde> must be violent up there]
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[15:06] <AndyEsser> certainly moving at a good speed!
[15:06] <Geoff-G8DHE> Gone past the predicted landing and not even burst yet!
[15:06] <AndyEsser> can we get a reverse predictor? You choose a time to land and location and it tells you where to launch from? :)
[15:07] <adamgreig> it's on the feature list
[15:07] <Geoff-G8DHE> Sort of what the Hourly one does!
[15:07] <AndyEsser> Geoff-G8DHE: well except the hourly one is still all from a single launch site
[15:08] <Geoff-G8DHE> Yes but you can see where the landing patterns, you can't normally change you launch point that easily!
[15:09] <number10> fish and chip shop opens at 5
[15:10] <ProjectScorpion> Looks like we're hiring a boat
[15:10] <Geoff-G8DHE> Think about the Ferry if I were you ;-)
[15:11] <M0JCU_junderwood> You might be OK if the parachute is a dud
[15:11] <FuzzyLemon> it won't burst
[15:11] <AndyEsser> amused that it's still climbing
[15:12] <M0JCU_junderwood> No sign of float
[15:12] <Vaizki> uh oh
[15:12] <Vaizki> underfill?
[15:12] <AndyEsser> a cutdown might've been useful :P
[15:12] <Vaizki> geofenced cutdown?
[15:13] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2016_Flights/Scorpion_20160212/index.php?ind=6
[15:13] <amell> surprised it hasnt burst yet
[15:13] <amell> if its a big chute you could pick up in holland.
[15:13] <Upu> so now FuzzyLemon you want it to get to 40km and it might make it across the sea :)
[15:14] <Vaizki> it'll be bursing in just a second :(
[15:14] <amell> hope it wasnt too expensive payload :(
[15:14] <AndyEsser> amell: wonder what happens when someone finds vials of blood washed up on the beach...
[15:14] <db_G6GZH> sounding bursty
[15:14] <Upu> on the plus side
[15:14] <Upu> 164mph
[15:14] <AndyEsser> "sounding bursty"?
[15:15] <M0JCU_junderwood> GPS failed
[15:15] <AndyEsser> what's the horizontal speed record for a HAB?
[15:15] <number10> looks like it
[15:15] <Geoff-G8DHE> does to me
[15:15] <amell> hows the carrier?
[15:15] <db_G6GZH> AndyEsser: lots of doppler
[15:15] <Vaizki> AndyEsser: the RTTY sounds different when it bursts.. doppler and all that :)
[15:15] <Geoff-G8DHE> lost gps as well
[15:15] <Upu> odd
[15:16] <Upu> err 31
[15:16] <AndyEsser> ah ok
[15:16] <amell> does it sound like it burst?
[15:16] <number10> yes
[15:16] <eroomde> oh well
[15:16] <amell> wondered if gps failed cos of whack of burst
[15:16] <Vaizki> satellites 0
[15:16] <number10> time is updating but no pos
[15:16] <Geoff-G8DHE> No not sure it has its the lack of GPS data being all zero's sounds odd.
[15:16] <M0JCU_junderwood> Maybe lost due to the rapid acceleration. May come back with a little luck
[15:16] <amell> how long was the string?
[15:17] <Upu> its been cold booted
[15:17] <AndyEsser> what's the logtail url again?
[15:17] <Vaizki> $$SCORPION,873,15:16:31,0.000000,0.000000,0,0,-13,2551,31*80F0\n'
[15:17] <Upu> and in pedestrian mode
[15:17] <FuzzyLemon> 15m
[15:17] <Vaizki> http://habitat.habhub.org/logtail/
[15:17] <AndyEsser> ta Vaizki
[15:17] <Geoff-G8DHE> 33362m was the last sent but no lat/long
[15:17] <amell> battery bounce? :)
[15:17] <Upu> strange it should detect that and correct it
[15:17] <Vaizki> probably yea
[15:17] <Geoff-G8DHE> $$$$$SCORPION,862,15:14:03,52.217494,1.571882,33341,6,-13,2575,00*1772
[15:17] <Geoff-G8DHE> $$$$$SCORPION,863,15:14:16,0.000000,0.000000,33362,0,-13,2565,20*0E9C
[15:17] <Geoff-G8DHE> $$$$$SCORPION,864,15:14:16,0.000000,0.000000,0,0,-13,2552,20*8585
[15:17] <Vaizki> whee it's back
[15:17] <Upu> it will get a lock below 12km
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[15:18] <AndyEsser> looks like its back
[15:18] <number10> position back
[15:18] <Upu> https://github.com/HABduino/HABduino/blob/master/Software/habduino_v4/habduino_v4.ino#L131-L137
[15:18] <Upu> yeah code has fixed it self
[15:18] <Vaizki> not a good position but there is a position...
[15:18] <Upu> odd that occured around burst, wasn't battery as the count hasn't reset
[15:18] <amell> forecast to land in holland :-S
[15:18] <AndyEsser> off to The Hague
[15:19] <Vaizki> I think it'll dunk half way in...
[15:19] <Upu> sadly don't think its going to make it there
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[15:20] <AndyEsser> :(
[15:20] <M0JCU_junderwood> My bet is it saw too big an acceleration at burst and possibly tumbled. Exit GPS
[15:20] <Geoff-G8DHE> Scorpion and Oernen-II rogether http://360.g8dhe.net/HAB_Flights/2016_Flights/Scorpion_20160212/scorpion_201602121520.jpg
[15:20] <Vaizki> argh.. still accelerating downwards
[15:20] <Upu> oh the minor plus side we will have telemetry till about 200 m so we'll know exactly which part of the sea it lands in :/
[15:20] <G3WDI> What is the shift I get good strong signal but only random strings
[15:20] <Upu> 480
[15:21] <AndyEsser> Vessel SEA RUBY is going to go passed it's splashdown
[15:21] <AndyEsser> destination Dundee
[15:21] <AndyEsser> radio and ask for a pickup?
[15:21] <Vaizki> :D
[15:21] <Vaizki> 10km off the coast or so
[15:21] <Upu> bit far to pick up
[15:21] <ProjectScorpion> Is there any way to contact the ship? :D
[15:21] <Upu> lol
[15:22] <Vaizki> 30.7m/s horizontal speed :O
[15:22] <Vaizki> that thing is Moving
[15:22] <M0JCU_junderwood> It's probably going to be 30 km off the coast before it lands
[15:22] <Upu> if you are at the coast right now and get a boat right now you may have a smll chance otherwise I'd just turn round and head home
[15:22] <AndyEsser> ProjectScorpion:
[15:22] <SM0ULC-Reb> was is planned to land in the sea?
[15:22] <Upu> sorry :/
[15:22] <AndyEsser> http://www.marinetraffic.com/en/ais/details/ships/shipid:386666/mmsi:319932000/imo:9006447/vessel:SEA_RUBY
[15:22] <Upu> however give it 2 weeks and it may reappear on the Netherlands coast
[15:22] <AndyEsser> might not be able to slow down in time ;)
[15:22] <ProjectScorpion> Yeah we are turning round I think :(
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[15:24] <Upu> interestingly that within a mile or so of where I put one down
[15:24] <Upu> therefore here is a live video feed I prepared earlier https://www.youtube.com/watch?v=HcbykWjsQrI
[15:24] <G3WDI> 480/50 7 0 2 gives strings like this %2KKKKQFdR%22d2%Ie$Ir%rRdJer2%G2d4r2%22$%IR%e$r%RrdIer2%2KKKKQFd
[15:24] <FuzzyLemon> :(
[15:24] <AndyEsser> Do we need to go and build a semi-permanent floating wotsit to station someone on with a RIB to fetch them?
[15:24] <Geoff-G8DHE> Try Rv
[15:24] <Upu> G3WDI: hit RV
[15:24] <AndyEsser> :P
[15:25] <G3WDI> did still same
[15:25] <Upu> send us a screen shot of what you see
[15:25] <Upu> ctrl+prt scn
[15:25] <Upu> http://imgur.com -> CTRL+V
[15:26] <mattbrejza> alt+prt scn i thought.. :/
[15:26] <Upu> that too
[15:28] <number10> that part of the sea has had a few HABs land there - ava1 and cloud2 to name a couple
[15:28] <Upu> wonder if that cross form has tangled
[15:28] <M0JCU_junderwood> They have a tendency to spin
[15:28] <G3WDI> odd hit Rv twice all ok now
[15:28] <M0JCU_junderwood> They can spin the lines up, thus constricting the canopy
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[15:29] <AndyEsser> why do I read comments on Youtbue videos that are related to HAB launches
[15:29] <AndyEsser> it's all just flat earthers
[15:29] <AndyEsser> *sigh*
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[15:30] <db_G6GZH> s/ that are related to HAB launches//
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[15:31] <M0JCU_junderwood> 14.8 m/s @ 8.5km = 10 m/s @ sea level. Big splash
[15:31] <gonzo_> once we fill that bit of see with HABs then recoveries can be on foot
[15:31] <AndyEsser> db_G6GZH: true
[15:31] <AndyEsser> gonzo_: hop across them to the Netherlands
[15:31] <gonzo_> (All the kings said I was daft to land a HAB in the sea....)
[15:31] <AndyEsser> :)
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[15:33] <Upu> oh yeah AndyEsser I deleted a bunch are they back ?
[15:33] <Upu> possibly best its landing in the sea
[15:33] <AndyEsser> Upu: deleted a bunch of what, sorry?
[15:34] <Upu> youtube commentards who were using my video and arguing about flat earth
[15:34] <AndyEsser> ah right
[15:34] <AndyEsser> nah, this was a related video
[15:34] <AndyEsser> not yours
[15:34] <amell> its not that far out
[15:35] <amell> unfortunately the sea will be quite rough, so will be hard to see in the swell
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[15:37] <amell> what happened with the german one? recovered?
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[15:37] <Geoff-G8DHE> Yup
[15:37] <DL1SGP> amell: yes we recovered it
[15:37] <AndyEsser> amell: yep all recovered and heading home
[15:37] <amell> in a tree?
[15:37] <DL1SGP> yes :)
[15:37] <AndyEsser> yes
[15:37] <amell> was looking for pictures of big poles and stuff
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[15:39] <DL1SGP> We wanted to keep it G-Rated so no pictures of big poles. a 12.5m Spieth telescopic mast was used with a hook at the end, getting it out of the tree was easy, on way down the parachute opened nicely, looked great
[15:39] <AndyEsser> ha
[15:39] <M0JCU_junderwood> New chase car http://www.lotusespritturbo.com/Lotus_Esprit_S1_Spy_Who_Loved_Me.jpg
[15:40] <G3WDI> lost gps again
[15:42] <Upu> bit further out than mine http://ava.upuaut.net/wp-content/uploads/2011/10/estimated_ava_flight_path.jpg
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[15:42] <Upu> probably wet :/
[15:42] <G3WDI> last good line received on east coast $$$$$SCORPION,974,15:40:12,52.235103,2.012634,858,5,-14,2524,08*EEEF
[15:44] <gonzo_> any trace of signals?
[15:45] <M0JCU_junderwood> Not much chance of it hitting a tree
[15:46] <AndyEsser> :P
[15:46] <G3WDI> nope
[15:46] <AndyEsser> small mercies
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[15:47] <amell> 858? not bad
[15:48] <amell> ah, youre the local ojne
[15:50] <Upu> well on the plus side Sammy is now a member of the cool club. All the cool people on here have splashed down. If you don't agree you're not cool.
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[15:52] <number10> :(
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[15:53] <craag> does it count if you did it on purpose?
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[15:54] <mattbrejza> we were willing that on to land in france though
[15:54] <Geoff-G8DHE> Object Movie for Scorpion http://360.g8dhe.net/HAB_Flights/2016_Flights/Scorpion_20160212/index.php?ind=1
[15:54] <amell> yeah,ive splashed down too lol
[15:54] <craag> shush mattbrejza
[15:55] <amell> over effective chute
[15:55] <mattbrejza> therefore it counts..
[15:55] <craag> ah
[15:55] <craag> I see!
[15:55] <craag> :D
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[15:55] <number10> it would be quite nice to have a hab landing spot map
[15:56] <mattbrejza> and i guess quite easy...
[15:56] <Geoff-G8DHE> FuzzyLemon, Object Movie for Scorpion http://360.g8dhe.net/HAB_Flights/2016_Flights/Scorpion_20160212/index.php?ind=1
[15:56] <mattbrejza> wouldnt always be exact mind you
[15:56] <number10> no I suppose it wouldnt
[15:56] <number10> probably should call it last position map...
[15:57] <number10> but that may embarrass people whos HAB last position altitude was > 10km
[15:57] <mattbrejza> i reckon adamgreig could probably do it in about 10 lines of python
[15:57] <adamgreig> probs
[15:57] <number10> dont challenge him - he's on hols soon I think
[15:57] <amell> hab heat map?
[15:58] <amell> sounds good to me
[15:59] <FuzzyLemon> thanks to everyone who h
[15:59] <FuzzyLemon> elped track today
[15:59] <AndyEsser> I tried :P
[15:59] <AndyEsser> and failed
[15:59] <AndyEsser> definitely need better antennae
[15:59] <AndyEsser> Sorry about the splashdown
[16:00] <FuzzyLemon> much appreciated. I'm writing an obituary for scorpion
[16:00] <AndyEsser> FuzzyLemon: it'll get recovered
[16:00] <Geoff-G8DHE> It be washed up in a few weeks either one side or the other of the North Sea!
[16:00] <AndyEsser> some poor bastard will come across vials of blood on the beach
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[16:01] <amell> waterproof label with phone number?
[16:01] <SpacenearUS> New vehicle on the map: 03ITS_IN_THE_SEA_CHASE_chase - 12http://tracker.habhub.org/#!qm=All&q=ITS_IN_THE_SEA_CHASE_chase
[16:01] <amell> it will turn up. probably in holland
[16:01] <AndyEsser> haha
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[16:02] <AndyEsser> nice chase car name
[16:02] <FuzzyLemon> SOS message is laminated
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[16:08] <amell> fuzzylemon: great! 2 weeks? 2 months? something like that.
[16:08] <amell> if some large sea creature doesnt smell the blood first.
[16:09] <FuzzyLemon> HAB fail. i'll have to try again soon
[16:09] <amell> shit happens. pop another one up.
[16:09] <gonzo_> it's a fn of being in such a small country surrounded by sea
[16:09] <FuzzyLemon> thanks again for all your help!
[16:09] <mattbrejza> perhaps look into cutdowns
[16:09] <FuzzyLemon> yeh will do
[16:10] <gonzo_> or overfilling the emvelope
[16:10] <FuzzyLemon> my laptop is about to die so catch you later
[16:10] <chrisstubbs> Has anybody tried running the predictor *on* the pi in flight? Load it up with the weather model before launch?
[16:12] <chrisstubbs> cutdown if things start looking wet
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[16:13] <adamgreig> it's been done
[16:13] <mattbrejza> tbh it could use the ascent weather data to caluclate the descent
[16:13] <adamgreig> more often using the ascent velocity yes
[16:13] <adamgreig> more accurate and easy to obtain
[16:13] <adamgreig> just store your gps velocity on the way up, integrate through it on the way down
[16:14] <mattbrejza> hmm could try that on a stm32 tracker
[16:14] <mattbrejza> shame those 20pin tssop parts only have 16k flash though..
[16:14] <adamgreig> i feel like that should be enough...
[16:14] <adamgreig> think people have done this on avr trackers
[16:15] <adamgreig> steve did it on pics
[16:15] <mattbrejza> current code usage is 15k
[16:15] <adamgreig> lol
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[16:15] <AndyEsser> wowser
[16:15] <mattbrejza> msgpack takes up like 4k of that
[16:15] <adamgreig> to do what
[16:15] <adamgreig> jeez
[16:15] <adamgreig> how?
[16:15] <chrisstubbs> Ah I see what you mean, you are then literally using a weather balloon for its intended purpose. Why did I not think of that ;)
[16:15] <mattbrejza> dunno
[16:15] <adamgreig> maybe look into that lol
[16:15] <mattbrejza> then various rfm98 code
[16:16] <mattbrejza> didnt realise steve did that already on a pic
[16:17] <mattbrejza> oh the f031 comes in 32kb anyway
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[16:23] <eroomde> adamgreig: i strongly dispute that replying ascent data to predict landing spot is more accurate
[16:23] <eroomde> strongly
[16:23] <AndyEsser> daveake: sorry, think I missed your response, but would I be able to use the 868 TX's from Upu without a license, etc?
[16:23] <eroomde> that's what we used to do pre-predictor
[16:23] <DL1SGP> nabend mactunes
[16:23] <eroomde> it was not nearly as good as the predictor. that's why it sort of died as a technique
[16:23] <mactunes> hi DL1SGP
[16:23] <adamgreig> interesting
[16:23] <adamgreig> so you're offset in time and space compared to ascent
[16:24] <eroomde> yes
[16:24] <adamgreig> and you are perhaps not very good at measuring the ascent winds
[16:24] <eroomde> and that was significant
[16:24] <eroomde> mostly the offset i think
[16:24] <eroomde> 3 hours and 100 miles away
[16:24] <adamgreig> the wind dataset only gives you half a degree grid points
[16:24] <adamgreig> and the timestep is, uh
[16:25] <eroomde> sure but interpolation works otherwise we wouldn;t bother with it
[16:25] <adamgreig> yea of course
[16:25] <adamgreig> might plot some trajectories using ascent predicted winds for descent and see how much they differ
[16:25] <eroomde> i guess this could actually be tested couldn;t it
[16:25] <eroomde> yeah
[16:25] <adamgreig> I think the intent with that usage was more for wet landing pyro though right?
[16:25] <eroomde> sure, that's why it was implemented back then
[16:25] <adamgreig> especially autonomous
[16:25] <adamgreig> yea
[16:25] <eroomde> simple geofencing for land landing
[16:26] <adamgreig> i want a predictor science lab
[16:26] <eroomde> and it literally was as simple as a 2-ple N,E vel vector every 100m or so
[16:26] <adamgreig> where i have everything set up to run predictor experiments
[16:27] <eroomde> yes
[16:27] <eroomde> like our valve lab
[16:27] <adamgreig> there are a lot i'd like to do
[16:27] <adamgreig> and i have the tools and the data
[16:27] <eroomde> a clean place with lots of different gases and fittings and stuff
[16:27] <adamgreig> nice
[16:29] <AndyEsser> my lab always has lots of gas
[16:29] <AndyEsser> ...
[16:30] <mattbrejza> youd hope so
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[16:32] <SP9UOB-Tom> Evening All !
[16:33] <SP9UOB-Tom> brb
[16:33] <DL1SGP> hi SP9UOB-Tom
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[16:33] <DL1SGP> welcome back SP9UOB-Tom
[16:33] <SP9UOB-Tom> DL1SGP: :-)
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[16:34] <SP9UOB-Tom> daveake: here is my version of lora gateway: http://sp9uob.verox.pl/LoRa/lora-gateway-inside.jpg
[16:34] <SP9UOB-Tom> http://sp9uob.verox.pl/LoRa/lora-gateway-case.jpg
[16:34] <SP9UOB-Tom> http://sp9uob.verox.pl/LoRa/lora-outdoor.jpg
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[16:39] <eroomde> that's a lovely job SP9UOB-Tom
[16:39] <SP9UOB-Tom> eroomde: thanks :-)
[16:39] <SP9UOB-Tom> it is located on highest place in my city :-)
[16:40] <adamgreig> very cool :)
[16:40] <adamgreig> box looks to be quite seriously rf shielded with that braid grommet thing?
[16:40] <lz1dev> > highest place
[16:40] <lz1dev> http://i.imgur.com/6mmrT9S.jpg
[16:41] <SP9UOB-Tom> adamgreig: it was taken from outdoor 2.4 GHz accespoint. I have secured few cases :-)
[16:42] <SP9UOB-Tom> lz1dev: i can make another one ;-) Just get approval ;-)
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[16:43] <mattbrejza> i was wondering whether you could bypass the lora patent when it comes to making a sdr reciever by doing the signal processing in a fundimentally different way to that described in the patent
[16:43] <adamgreig> you might still violate a different claim
[16:43] <lz1dev> SP9UOB-Tom: is diopole good for lora ? ;p
[16:44] <adamgreig> haha
[16:44] <adamgreig> hpol dipole? :P
[16:44] <mattbrejza> yea not sure specifically what protection the patent gives
[16:44] <SP9UOB-Tom> lz1dev: i have used J-Pole antennas - no static electricity problems :-)
[16:45] <lz1dev> adamgreig: hchrist dipole
[16:45] <SP9UOB-Tom> hahah and directional
[16:45] <mattbrejza> that would be quite a rotator needed for htat
[16:46] <SP9UOB-Tom> mattbrejza: there is nice DSP processor for LORA: http://www.semtech.com/images/datasheet/sx1301pb.pdf
[16:46] <mattbrejza> yea seen those, theyre not cheap oc
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[16:51] <fab4space> wow SP9UOB-Tom , nice gateway :)
[16:52] <SP9UOB-Tom> thanks fab4space :-)
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[16:52] <AndyEsser> Quick question... if I have two trackers on my payload, using the same antenna... do I need to do anything special, or can I literally just y-connector them?
[16:52] <mattbrejza> special
[16:53] <AndyEsser> to stop the output from one being pumped straight into the other?
[16:53] <AndyEsser> better to just have two antenna?
[16:53] <AndyEsser> antennae*
[16:53] <mattbrejza> easier to have two
[16:53] <SP9UOB-Tom> AndyEsser: are they using the same frequency band or different?
[16:53] <AndyEsser> same
[16:53] <AndyEsser> slightly different freq's - but still 434MHz
[16:54] <SP9UOB-Tom> AndyEsser: circulator is that what you need. But... for 70 cm bant its allmost imposible to make :-)
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[16:54] <AndyEsser> fine
[16:54] <AndyEsser> Two it is then :)
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[16:54] <SP9UOB-Tom> AndyEsser: https://en.wikipedia.org/wiki/Circulator
[16:55] <AndyEsser> hmm...
[16:55] <AndyEsser> How would that work with 1 antenna and 2 TX's?
[16:56] <AndyEsser> or have a 4-port one? with the antenna connected to both the 'even' ports?
[16:56] <AndyEsser> and then each TX on the 'odd' ports?
[16:56] <SP9UOB-Tom> 4 port one
[16:56] <SP9UOB-Tom> and then combiner :-)
[16:56] <AndyEsser> ok, related but different question
[16:56] <AndyEsser> TX and RX using same Antenna
[16:56] <AndyEsser> again, problem? or easy?
[16:56] <SP9UOB-Tom> but You can skip the circulator and make combiner - still RF VooDoo ;-)
[16:57] <SP9UOB-Tom> AndyEsser: Relay or silicon RF switch
[16:57] <AndyEsser> http://25.media.tumblr.com/tumblr_mcq5sc4ItZ1rv7cdvo2_500.gif
[16:57] <SP9UOB-Tom> AndyEsser: kind of ;-)
[16:57] <AndyEsser> so with a Relay - have like NC connected to RF, and then toggle for TX?
[16:58] <AndyEsser> let me write that again...
[16:58] <craag> Use 2 antennas
[16:58] <AndyEsser> Relay: RX connected to NC, TX connected to NO - toggle coil when transmitting
[16:58] <AndyEsser> craag: yea, that's what I'm going to do :)
[16:58] <SP9UOB-Tom> :-)
[16:58] <adamgreig> wanna be careful about RF energy into your RX if you do that
[16:58] <craag> k, academic interest is good, but just checking ;)
[16:58] <AndyEsser> SP9UOB-Tom: that gif is all I can think of when people talk about black boxes, magic, voodoo, or "it just works"
[16:59] <AndyEsser> craag: yep this is purely academic atm
[16:59] <AndyEsser> I imagine if I buy a 'real' radio after getting my license - it handles this for me, and just has a single antenna SMA/BNC on the back or whatever
[17:02] <AndyEsser> Right, home time
[17:02] <AndyEsser> have a good weekend all
[17:02] <adamgreig> often they have multiple antenna connectors but each can do tx/rx
[17:02] <AndyEsser> next week I resume my regularly scheduled moaning about programming of embedded systems
[17:02] <AndyEsser> adamgreig: I would imagine the multiple antenna connectors are for different bands, etc?
[17:02] <adamgreig> often yea
[17:02] <AndyEsser> rather than an RX and TX antenna?
[17:02] <adamgreig> my ic7000 has two: one for 2m and 70cm, and one for HF
[17:02] <adamgreig> the ft817 has two: "front" and "back", and it can use either
[17:03] <adamgreig> one's SO-239 and the other is BNC
[17:03] <DL1SGP> yeah the ones on the FT-817 can be programmed through menu
[17:03] <AndyEsser> cool
[17:03] <adamgreig> but they are generally all both tx and rx, because amateur radios tend ot be half duplex
[17:03] <AndyEsser> right, really must go
[17:03] <adamgreig> seeya
[17:03] <AndyEsser> thanks for the info
[17:03] <adamgreig> (you can't in general use the same antenna to transmit and receive at the same time)
[17:04] <AndyEsser> Yep that's what I already thought - which lead me down this line of questioning
[17:04] <AndyEsser> STOP DISCUSSING INTERESTING STUFF
[17:04] <AndyEsser> I MUST GO HOME
[17:04] <adamgreig> ;)
[17:04] <DL1SGP> lol
[17:05] <SP9UOB-Tom> AndyEsser: Time is relative https://www.youtube.com/watch?v=nRrEl1Cv6zo ;-)
[17:05] <SP9UOB-Tom> Warning! Creepy
[17:05] <chrisstubbs> Wish I had read that warning first
[17:06] <DL1SGP> hehe
[17:08] <chrisstubbs> adamgreig, if you have a go at comparing predicted landing spots from NOAA and ascent collected data, let me know what you find. Sounds interesting!
[17:09] <adamgreig> doubt it will be any time soon but I will let people know if I get around to it :P
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[17:12] <chrisstubbs> Damn time! What are you working on at the moment apart from welding?
[17:13] <adamgreig> welding is thankfully just 3 hours a week
[17:13] <adamgreig> phd remains my full time occupation
[17:13] tony___ (9f08aa13@gateway/web/freenode/ip.159.8.170.19) joined #highaltitude.
[17:13] <adamgreig> new avionics stack for scary new CUSF rocket is using up a reasonable bit of time
[17:13] <adamgreig> two week trip to india leaving next week
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[17:13] <adamgreig> recently been working on my kicad library including a cool script to generate sticky labels for everything in your BOM
[17:14] <adamgreig> still doing a lot of 'running CUSF' too, hopefully not for much longer
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[17:15] <Tony___> Hi Anyone about?
[17:15] <chrisstubbs> StickerBOM is a nice idea! That could be put to good use in a production environment
[17:15] <chrisstubbs> Hi Tony___
[17:16] <adamgreig> the rest of agg-kicad is a lot of work too, automated generation and rules-checking of footprints and symbols, and stuff
[17:16] <adamgreig> neat though
[17:17] <adamgreig> all keeps me busy though
[17:17] <adamgreig> what're you up to?
[17:17] <Tony___> me or Chris?
[17:17] <chrisstubbs> Uni and work recently, I'm doing X band radar stuff now
[17:18] <adamgreig> oh cool
[17:18] <adamgreig> what do you do in radar?
[17:18] <mattbrejza> got a emf ticket? :D
[17:18] <chrisstubbs> Yep!
[17:19] <mattbrejza> :D (although i think i'd asked you already...)
[17:19] <chrisstubbs> I also have a toy I'm working on to bring along. Embedded PC in an old marconi radio I'm calling a "jukebox"
[17:20] <adamgreig> fun
[17:20] <adamgreig> can't wait for habville
[17:20] <chrisstubbs> :D
[17:20] <mattbrejza> habtown
[17:21] <chrisstubbs> Have you got a question Tony___?
[17:21] <adamgreig> habropolis
[17:21] <adamgreig> just got a wedding invite in the post this week, for august, was immediately 'oh nooo'
[17:21] <adamgreig> but it turns out it's the weekend after
[17:21] <adamgreig> phew
[17:22] <mattbrejza> perhaps you should tell people you know who have been together for a while that if they decide to get married this year make sure its not on that weekend
[17:22] <Tony___> Yes- I'm kicking off a High Altitude Balloon project in Derby in a couple of weeks & wondered if I caould fine a speaker for the evnet?
[17:22] <Tony___> event
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[17:24] <Tony___> Looks like I should try herabouts when there are more people around
[17:24] <adamgreig> there are quite a few people around but usually you have to ask a specific question
[17:24] <adamgreig> you might be better off emailing the ukhas list
[17:24] <Tony___> ok thanks will do
[17:25] <Tony___> bye
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[17:35] <eroomde> adamgreig: i see that ins post in arocket now
[17:35] <eroomde> it's from rick newlans
[17:35] <eroomde> i still remember him explaining to me that the thing i had to realise about parachutes was that the force actually gies up with the _square_ of airspeed
[17:36] <eroomde> at the scottish launch
[17:36] <adamgreig> lol
[17:36] <adamgreig> yea I've seen his posts before
[17:40] <eroomde> i made my arocket (and a few other lists) email filters be mark-as-read
[17:40] <eroomde> big improvement
[17:40] <adamgreig> same
[17:41] <adamgreig> at first I just started muting noisy threads
[17:41] <adamgreig> then I realised I was muting all the threads
[17:41] <adamgreig> now they are all marked as read
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[17:45] <chrisstubbs> Jukebox - https://goo.gl/Xhn1pL (Sorry for VVS)
[17:46] <adamgreig> funky LEDs
[17:46] <chrisstubbs> I was thinking if we did a launch you could display the map onscreen and altitude plot on the LED matrix
[17:46] <chrisstubbs> Just a bit of fun
[17:47] <adamgreig> would be cool
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[18:08] <Laurenceb> did someone say Derby?
[18:09] <Laurenceb> lol he wasnt around for long
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[18:43] <Ben-AstroSoc> evening
[18:43] <Ben-AstroSoc> gps nd radio tx in hands of teammate, breadboarding monday/tuesday :3
[18:43] <DL1SGP> good evening Ben-AstroSoc
[18:45] <russss> adamgreig: heh, I have a wedding to go to on the Saturday before EMF, and we're on site from the Sunday. Thankfully that wedding is extremely conveniently in Guildford.
[18:46] <russss> I'd still rather not have that faff, but hey
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[18:57] <eroomde> i think i'm at a wedding during emf this year
[18:57] <eroomde> it's annoying
[18:57] <eroomde> well i don;t think i am, i know i am
[19:03] Nick change: ghoti_ -> ghoti
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[19:09] <DL1SGP> nabend dg3yjb
[19:10] <dg3yjb> nabend dl1sgp
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[19:25] <adamgreig> It is prime wedding time I guess
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[20:55] <DL1SGP> heh guess the OERNEN-II folks either did party (or still are) or were exhausted from their drive
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[21:02] <russss> eroomde: oh that's a shame, I had you on my list of people to ask to talk :)
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[21:10] <Lunar_Lander> hello
[21:11] <fab4space> hello, daveake, you have not commited yet the 4 threads ssdv upload in https://github.com/PiInTheSky/lora-gateway isn't it?
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[21:13] <Upu> hey Lunar
[21:13] <Upu> good day ?
[21:13] <SP9UOB-Tom> evening Upu :-)
[21:13] <Upu> hey SP9UOB-Tom
[21:14] <DL1SGP> hello Lunar_Lander
[21:14] <DL1SGP> don't say it was a bad day Lunar_Lander :D
[21:14] <SP9UOB-Tom> Upu: look at Your board: http://sp9uob.verox.pl/LoRa/lora-gateway-inside.jpg ;-)
[21:15] <Lunar_Lander> we had a very good day also thanks to DL1SGP
[21:15] <Upu> looks very nice :)
[21:15] <Upu> well you landed on him :)
[21:15] <Lunar_Lander> :)
[21:15] <Lunar_Lander> please consider briefly this image http://s.gullipics.com/image/4/r/9/5yv62y-l5xshz-j9xv/vlcsnap2016021222h11m57s819.png
[21:15] <SP9UOB-Tom> Upu; thanks :-)
[21:16] <DL1SGP> ah sweet Lunar_Lander right after Launch looking on Osnabrück University
[21:16] <Lunar_Lander> yes
[21:17] <Lunar_Lander> the balloon was inflated on the orange patch that you can see on the roof
[21:17] <DL1SGP> you can even see the chase car on the parking lot
[21:18] <Ben-AstroSoc> is that a custom made board?
[21:18] <Ben-AstroSoc> @9:14
[21:19] <Lunar_Lander> :)
[21:19] <Upu> very neat SP9UOB-Tom
[21:20] <Lunar_Lander> http://s.gullipics.com/image/0/7/5/5yv62y-l5xsl0-p3ec/vlcsnap2016021221h53m38s570.png
[21:21] <Lunar_Lander> http://s.gullipics.com/image/e/2/5/5yv62y-l5xsl3-r77m/vlcsnap2016021221h53m49s988.png
[21:22] <SP9UOB-Tom> Upu: :-) I have mounted it on the highest building in my city: http://sp9uob.verox.pl/LoRa/lora-outdoor.jpg Connected with fiberoptics and 15 KV isolated
[21:22] <SP9UOB-Tom> Should be unbreakable ;-)
[21:22] <Upu> whats the case ?
[21:23] <SP9UOB-Tom> Upu: from proffesional 2.4 GHZ accesspoint http://sp9uob.verox.pl/LoRa/lora-gateway-case.jpg
[21:23] <Upu> ah ok
[21:23] <fab4space> I want the same gateway SP9UOB-Tom :)
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[21:25] <fab4space> have you used a 868 habamp from upu for the gateway?
[21:25] <Lunar_Lander> http://s.gullipics.com/image/l/g/r/5yv62y-l5xttp-1png/vlcsnap2016021222h02m41s676.png
[21:25] <SP9UOB-Tom> fab4space: Raspi + UPU + TP-Link MCS112CS mediaconverter + DC/DC converter with 15 kV insulation
[21:26] <SP9UOB-Tom> fab4space: and 2 Jpole antennas
[21:26] <fab4space> very nice setup SP9UOB-Tom :)
[21:29] <AndyEsser> Lunar_Lander: is there an album with all photos in?
[21:29] <Lunar_Lander> no because these are stills from a film
[21:29] <Lunar_Lander> will have to edit that
[21:29] <AndyEsser> do you have the film somewhere?
[21:30] <Lunar_Lander> yea on my PC still because it is 20 GB
[21:30] <fab4space> what lens have you used Lunar_Lander ?
[21:31] <AndyEsser> Lunar_Lander: No excuse - Get dat cloud video in the cloud! I wanna watch! :)
[21:31] <Lunar_Lander> its the lens supplied on the gopro hero
[21:31] <Lunar_Lander> yea :)
[21:31] <Lunar_Lander> and that has some fish-eye effect
[21:32] <fsphil> nice shots Lunar_Lander
[21:32] <Lunar_Lander> thanks
[21:33] <Lunar_Lander> we don't know why both cutdowns failed
[21:33] <Upu> given your testing I'm surprised
[21:33] <Upu> what were they resistive ?
[21:34] <Lunar_Lander> the second one was a coil of kanthal wire
[21:34] <Lunar_Lander> and the cord that had been there actually was scorched
[21:35] <Lunar_Lander> the main one was a servo actuated "lock"
[21:35] <Lunar_Lander> and when we had the payload, the loop was not in there anymore, so we think the servo might have opened the lock
[21:35] <Lunar_Lander> and then maybe something was twisted
[21:35] <Upu> it happens
[21:36] <Lunar_Lander> yea
[21:36] <Lunar_Lander> also the ds18b20 reporting -127
[21:36] <AndyEsser> At least you got it though, and it didn't float off to Russia :)
[21:36] <Lunar_Lander> that happened just before launch when I didn't see it
[21:37] <Lunar_Lander> and then they kicked back in on descent
[21:37] <Lunar_Lander> yeah :)
[21:38] <fsphil> that can happen
[21:38] <Upu> was landing on DL1SGP intentional or happy accident Lunar_Lander ?
[21:39] <Lunar_Lander> latter one
[21:39] <Lunar_Lander> :)
[21:39] <Upu> lovely
[21:39] <Lunar_Lander> btw thanks AndyEsser for the hint with priyesh's app
[21:39] <Lunar_Lander> to get the car on the amp
[21:39] <Lunar_Lander> map
[21:39] <SP9UOB-Tom> http://aprs.fi/telemetry/a/SP9UOB-12 48 hours from regular alkaline (not lithium) AAA :-)
[21:40] <DL1SGP> :)
[21:40] <Lunar_Lander> GPS lock dropping out pretty often was irrtating
[21:40] <Lunar_Lander> +i
[21:40] <Vaizki> any idea why?
[21:40] <Lunar_Lander> not yet
[21:40] <DL1SGP> Goats
[21:40] <Lunar_Lander> :D
[21:40] <AndyEsser> Lunar_Lander: no worries
[21:41] <Vaizki> do you have a pic of the payload insides?
[21:41] <Lunar_Lander> have to look at the SD log
[21:41] <AndyEsser> there's another app that I believe mattbrejza created - but haven't used it myself yet
[21:41] <Lunar_Lander> one moment
[21:41] <Lunar_Lander> miriam took some
[21:41] <DL1SGP> women tend to go for inner values :D
[21:42] <Vaizki> I even have IR camera pics of my breadboards :D
[21:42] <Vaizki> maybe it's my feminine side
[21:42] <Lunar_Lander> xD
[21:43] <Lunar_Lander> OK, asked her to send them over
[21:44] <Lunar_Lander> btw regarding strange values
[21:44] <DL1SGP> if she does not do that we send her into our forest of horror all alone next time Lunar_Lander :D
[21:44] <Lunar_Lander> :D
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[21:45] <AndyEsser> Vaizki: to check for structural issues?
[21:45] <SpacenearUS> New vehicle on the map: 03DL0CRE-11 - 12http://tracker.habhub.org/#!qm=All&q=DL0CRE-11
[21:45] <BRITE> happy to be here
[21:46] <Vaizki> AndyEsser: as you know I am no expert but I like to learn from other people's mistakes and I am good at pointing them out :D
[21:47] <Lunar_Lander> my idea was to get rid of conversions and floats and stuf
[21:47] <Upu> hey BRITE
[21:47] <Vaizki> Lunar_Lander: not a bad idea at all
[21:47] <AndyEsser> Vaizki: no I meant the IR pics of your PCBs
[21:47] <Lunar_Lander> so all the analogue stuff was raw bits from the ADC and the temperatures were multiplied by 100
[21:47] <AndyEsser> o wait.. IR of breadboard
[21:47] <AndyEsser> to check heat?
[21:47] <Vaizki> yes
[21:47] <Vaizki> or power dissipation.. why not
[21:48] <AndyEsser> heh
[21:48] <Vaizki> I have an IR camera so I use it :)
[21:48] <AndyEsser> or just to be pretty
[21:48] <AndyEsser> proper FLIR type thing?
[21:48] <Vaizki> aye, I hacked a base model to top spec
[21:48] <AndyEsser> you have so many nice toys :(
[21:48] Action: AndyEsser sneaks over to Vaizki's lab
[21:48] <Vaizki> welcome
[21:49] <Vaizki> dress warm though, for the trip..
[21:49] <AndyEsser> where are you again?
[21:49] <Vaizki> Finland
[21:49] <AndyEsser> Ah yes
[21:49] <BRITE> greetings Upu
[21:50] <Upu> and pray tell what brings you to this channel BRITE
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[21:51] <BRITE> just like like hi flight
[21:51] <chris_99> alternatively you can see which track gets (very) hot on a PCB using UV ;) http://gfycat.com/MindlessFragrantIvorybilledwoodpecker
[21:52] <BRITE> good for transmissions
[21:53] <AndyEsser> chris_99: that's what fingers are for
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[21:54] <chris_99> haha
[21:54] <Jartza> Vaizki: oh, they can be hacked? :)
[21:54] <Jartza> I have ~10 years old flir
[21:54] <Upu> do you listen in on the balloons BRITE ?
[21:54] <AndyEsser> Vaizki: if I were to assemble a tracker and send it to you - could you inspect it with your IR camera stuff?
[21:54] <BRITE> 30m qrp.........amazing
[21:55] <Upu> oh WSPR ?
[21:55] <Upu> Yes Andy's balloons are amazing
[21:55] <AndyEsser> they are?
[21:55] Action: AndyEsser looks at his 'balloons' in the mirror
[21:55] <AndyEsser> :P
[21:55] <Vaizki> Jartza: yes I have a E4 which is 80x60 and very noisy originally.. hacked to 320x200 IR image and all the noise removed + all nice features from E8 enabled
[21:55] <Upu> other Andy
[21:55] <BRITE> why yes..WSPR
[21:55] <Upu> the austrailian one :)
[21:55] <AndyEsser> Ah
[21:56] Action: AndyEsser is unloved
[21:56] <Upu> http://picospace.net/
[21:56] <BRITE> yep
[21:56] <Lunar_Lander> one of the best things was that there were no obstructions in the camera FOV
[21:56] <BRITE> got my attention
[21:56] <Lunar_Lander> such as sticks or straws, etc.
[21:56] <Vaizki> AndyEsser: yes I could but basically I would just point the thing at it and take a pic :)
[21:56] <Upu> WSPR balloons aren't common we generally fly 10mW RTTY/LoRa on 434Mhz ISM band
[21:57] <BRITE> ic
[21:57] <Upu> http://tracker.habhub.org/#!mt=roadmap&mz=11&qm=1_day&f=OERNEN-II
[21:57] <Upu> that was Lunar_Lander's today
[21:57] <Jartza> Vaizki: cool. I can't remember what mine was, though.
[21:57] <Upu> in Germany
[21:57] <Jartza> it's currently at "raksa"
[21:57] <BRITE> 30m caught me by surprise
[21:57] <Upu> where are you located BRITE ?
[21:58] <BRITE> Washington DC area
[21:58] <BRITE> and u
[21:58] <Lunar_Lander> Upu, btw is there still the function to look at who contributed to tracking?
[21:58] <Upu> ah Stateside, I'm in the UK
[21:58] <Upu> sure Lunar_Lander 1 sec
[21:58] <BRITE> very good
[21:58] <Upu> http://habitat.habhub.org/stats/
[21:58] <Lunar_Lander> thanks :)
[21:58] <Vaizki> AndyEsser: https://dl.dropboxusercontent.com/u/367935/FLIR0056.jpg
[21:59] <Upu> click flights list then yours
[21:59] <Vaizki> that's an example of a hot contactor in my central breaker panel
[21:59] <Upu> G6GZH managed to get a few from the UK
[21:59] <Upu> BRITE I guess you're a HAM ?
[21:59] <Vaizki> the visual camera outline detection really helps in thermal
[21:59] <BRITE> yes
[22:00] <Upu> quite a few people in here are
[22:00] <Vaizki> secretly
[22:00] <Upu> lol
[22:00] <Vaizki> :)
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[22:00] <BRITE> interesting to most hams
[22:01] <Upu> yep sadly we can't use our amateur licenses airborne in the UK
[22:01] <BRITE> we all wonder what we can do with more height, mtn. tops etc.
[22:01] <Jartza> Vaizki: anyway, this small "point'n'shoot" flir, iirc the images are already 240x240
[22:02] <BRITE> thats not fair.....
[22:02] <Jartza> https://scontent-ams3-1.xx.fbcdn.net/hphotos-xaf1/v/t1.0-9/386726_10151159394097854_287001133_n.jpg?oh=c05a30b6b8633fc288370d873a363d80&oe=5770BC11
[22:02] <BRITE> your post office
[22:03] <BRITE> drones a big problem here
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[22:03] <Vaizki> Jartza: yes but what is the thermal image resolution.. probably not that high for a cheap camera
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[22:04] <Jartza> dunno
[22:04] <Jartza> it was not very cheap when we bought it :)
[22:04] <Jartza> but it's almost 10 years ago
[22:04] <Upu> right dog needs a walk afk
[22:05] <BRITE> Upu thanks cu agn sn
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[22:06] <Jartza> might've been flir i5
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[22:09] <AndyEsser> Vaizki: tbh - even that would be useful
[22:09] <Jartza> seems flir i5 is 100x100 pixels thermal resolution
[22:10] <AndyEsser> is it only stills? or can take video? or rapid photos?
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[22:10] <Jartza> stills only
[22:11] <Jartza> so no farting in the cold-videos
[22:11] <AndyEsser> haha
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[22:22] <Lunar_Lander> a look inside http://s.gullipics.com/image/g/w/0/5yv62y-l5xwl0-qkj3/PayloadBox.jpeg
[22:22] <Lunar_Lander> will explain it in a moment
[22:23] <dl0cre> :)
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[22:35] <Jartza> hmmh. seems the flir i5 could be hacked to 144x144 resolution
[22:36] <Lunar_Lander> sorry, please wait another moment :)
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[22:37] <Lunar_Lander> random fact
[22:37] <Lunar_Lander> balloon seems to have passed right over where F1 splashed down 3 years ago
[22:38] <Lunar_Lander> no, bit south
[22:38] <Lunar_Lander> :)
[22:38] <AndyEsser> I half expected it ditch in the canal
[22:38] <AndyEsser> 2 for 2
[22:38] <Lunar_Lander> :)
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[22:47] <Lunar_Lander> OK at the lower left in the box you see the gopro hidden behind that support block
[22:47] <Lunar_Lander> then you see Stormdrifter II, the main board with GPS and NTX2B in the middle
[22:48] <Lunar_Lander> at the top you see the servo lock mechanism
[22:48] <Lunar_Lander> then the batteries in the lower right corner
[22:48] <Lunar_Lander> and above is a heating system which had two 4.7 Ohm resistors glued to servo and gopro to provide some heating to them
[22:48] <Lunar_Lander> that's the interior :)
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[23:10] <Ian_> tsk, tsk, batteries not gaffa taped . . . could have popped on burst! Lucky! Congrats on a successful flight though, good Uni launch photo too.
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[23:35] <Lunar_Lander> good night for now :)
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[00:00] --- Sat Feb 13 2016