highaltitude.log.20150413

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[00:42] <Guest15811> t
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[02:28] <SpacenearUS> New vehicle on the map: 03Car_chase - 12http://tracker.habhub.org/#!qm=All&q=Car_chase
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[05:13] <KM4FSW> Upu: any word on the new adsb preamps?
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[05:18] <Upu-> ihey KM4FSW in Hong Kong atm :)
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[05:29] Nick change: Upu- -> Upu
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[05:41] <KM4FSW> what is that Upu?
[05:42] <KM4FSW> atm?
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[05:42] <KM4FSW> wait the preamps are in hong kong??? So am i !
[05:43] <KM4FSW> any way to bypass them and pick one up here?
[05:43] <KM4FSW> bypass it going to the UK
[05:43] <Upu> the PCB's are in Hong Kong
[05:43] <Upu> http://www.dhl.com/content/g0/en/express/tracking.shtml?AWB=2275897956&brand=DHL
[05:44] <KM4FSW> ohh so you assemble them there?
[05:44] <Upu> yeah
[05:44] <KM4FSW> ok i see
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[06:22] <Guest82693> duel pp9 batteries in parallel for an uno with gps and ntx 2 will that give us decent run time? Or what I am really asking, what i that standard way of powering platforms
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[07:51] <SpacenearUS> New position from 03PS-41 after 0314 hours silence - 12http://tracker.habhub.org/#!qm=All&q=PS-41
[07:52] <fsphil> oh sweet
[07:55] <SpacenearUS> New position from 03MTG004 after 033 days silence - 12http://tracker.habhub.org/#!qm=All&q=MTG004
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[08:04] <SpacenearUS> New position from 03MONDO-3 after 0312 hours silence - 12http://tracker.habhub.org/#!qm=All&q=MONDO-3
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[08:15] <SpacenearUS> New position from 03PI_SKY_PLUS after 033 days silence - 12http://tracker.habhub.org/#!qm=All&q=PI_SKY_PLUS
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[09:09] <navrac_wurk> any word on auguste?
[09:27] <Geoff-G8DHE> Anothe r30 minutes or so to earliest launch
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[09:43] <Geoff-G8DHE> Auguste1 prediction http://360.g8dhe.net/HAB_Flights/2015_Flights/Auguste1_20150413/
[09:44] <Maxell> Auguste1?
[09:44] <Geoff-G8DHE> Flight due this morning
[09:44] <Geoff-G8DHE> !flights
[09:44] <SpacenearUS> 03Geoff-G8DHE: Current flights: 03Auguste Launch 1 10(35af)
[09:44] <Maxell> Ah. Nice
[09:44] <Maxell> !payload 35af
[09:44] <SpacenearUS> 03Maxell: Payload 03Auguste Test 10(35af) 03$$AUGUSTE1 - 03Normal - 03434.65 MHz USB 03RTTY 50/425Hz ASCII-7 none 2
[09:44] <Maxell> roger roger
[09:45] <Geoff-G8DHE> Not on the map yet but 10-13 UTC
[09:45] <Maxell> RevSpace remote rx is QRV
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[09:56] <Herman_> !flights
[09:56] <SpacenearUS> 03Herman_: Current flights: 03Auguste Launch 1 10(35af)
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[10:05] <Laurenceb> ps-41 flew near south georgia
[10:05] <Laurenceb> need a receiver there :P
[10:05] <Laurenceb> looks horrible, glaciers everywhere
[10:07] <day> is there a balloon that makes and sends occasional pictures?
[10:08] <day> im thinking about a low power pc waking up every few days making a picture and sending it (if the last part is even remotely possible)
[10:08] <edmoore> yes
[10:08] <edmoore> people fly cameras every now and then
[10:09] <Laurenceb> http://en.wikipedia.org/wiki/South_Georgia_and_the_South_Sandwich_Islands#/media/File:King_penguins_on_South_Georgia_Island.jpg
[10:09] <Laurenceb> nice weather
[10:09] <navrac_wurk> <sarcasm detected alert>
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[10:09] <edmoore> you can process and send jpegs just with an 8-bit micro, but lots of people use little linux computers (like the raspberyy pi)
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[10:09] <day> i wasnt sure if they might not be too big
[10:09] <day> errors etc.
[10:10] <edmoore> they're rarely the greatest quality pictures
[10:10] <edmoore> you're constrained by the data rate you can send down
[10:10] <SQ5KVS> Hi All
[10:10] <SQ5KVS> what about Augiste balloon?
[10:10] <Maxell> !payload 35af
[10:10] <SpacenearUS> 03Maxell: Payload 03Auguste Test 10(35af) 03$$AUGUSTE1 - 03Normal - 03434.65 MHz USB 03RTTY 50/425Hz ASCII-7 none 2
[10:11] <Maxell> Not on the map yet but 10-13 UTC
[10:11] <craag> day: eg http://ssdv.habhub.org/POPEYE/2014-04-05
[10:12] <SQ5KVS> Thanks, Maxell, what is the planned path? It;s higaltitude and "bank" or the flyby?
[10:12] <SQ5KVS> and "bang" :D
[10:12] <SQ5KVS> not bank ..
[10:15] <Maxell> SQ5KVS: Geoff-G8DHE might know more :P
[10:20] <Geoff-G8DHE> sry had BSOD and its killed FF so having to repair it!
[10:22] <navrac_wurk> I'm hoping Auguste will be a horribly drifty payload - lots of rapid frequency changes, shift changing etc. I'm doing a talk at the local amateur radio club tomotrrow and need some horrible signals so it doesn't look too easy
[10:22] <Maxell> lol navrac_wurk
[10:23] <navrac_wurk> I was thinking of digging up and sending up an rfm11 without insulation just so I could record it
[10:31] <KM4FSW> i flew a balloon + video camera + rc airplane once
[10:31] <KM4FSW> https://www.youtube.com/watch?v=-wkBaY86ORI
[10:32] <Geoff-G8DHE> SQ5KVS, Not sure but I think up/pop/down rather than float pssible prediction path here http://360.g8dhe.net/HAB_Flights/2015_Flights/Auguste1_20150413/Auguste1_20150413_prediction.jpg
[10:35] <SQ5KVS> Geoff-G8DHE: , Uhm, thanks. So, no chance to receive data in Poland. Anyway, thanks :)
[10:35] <Geoff-G8DHE> Unlikely I think
[10:36] <SpacenearUS> New vehicle on the map: 03AUGUSTE1_chase - 12http://tracker.habhub.org/#!qm=All&q=AUGUSTE1_chase
[10:36] <Laurenceb> hah wut
[10:37] <Laurenceb> South Georgia has streetview
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[10:37] <Geoff-G8DHE> LOL do the Penguins use it ?
[10:39] <Laurenceb> https://maps.google.co.uk/maps?q=south+georgia&ll=-54.284982,-36.507182&spn=0.009996,0.01929&client=ubuntu&channel=fs&oe=utf-8&hnear=South+Georgia+and+the+South+Sandwich+Islands&t=h&z=16&layer=c&cbll=-54.285024,-36.507304&panoid=EHUeffq4teVvTdOonMYBfQ&cbp=12,201.67,,0,22.73
[10:40] <Geoff-G8DHE> Thats not a Street!
[10:45] <SpacenearUS> New vehicle on the map: 03AUGUSTE1 - 12http://tracker.habhub.org/#!qm=All&q=AUGUSTE1
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[10:47] <Geoff-G8DHE> !dial auguste1
[10:47] <SpacenearUS> 03Geoff-G8DHE: Latest dials for 03Auguste Test 10(35af): none
[10:50] <seventeen_> 525ish
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[10:51] <Geoff-G8DHE> Oh yes bloody hell this is getting silly when they publish 434.65!
[10:52] <Geoff-G8DHE> Following prediction well however!
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[10:53] <db_g6gzh> thanks seventeen_ I was being amused by some very strange sounding mode around .650
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[10:53] <db_g6gzh> !dial auguste1
[10:53] <SpacenearUS> 03db_g6gzh: Latest dials for 03Auguste Test 10(35af): 03434.524107 MHz, 434.4466 MHz, 434.5233 MHz, 434.524129 MHz
[10:53] <Geoff-G8DHE> Think we will have to make some noise when new Flights are put up about frequency accuracy!
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[11:01] <Maxell> this is getting out of hand!11
[11:02] <Babs____> Overly large stencil, but at $23 you can't complain about the value - if it works http://flic.kr/p/s6R4hY
[11:02] <Geoff-G8DHE> Looks good
[11:03] <edmoore> you bought it framed?
[11:03] <Laurenceb> the tracker flight duration seems to be broken in chrome
[11:04] <Laurenceb> giving me 0 seconds
[11:04] <Babs____> How can they weld together an aluminum frame and do it all for $23. Insane.
[11:04] <Laurenceb> wtf
[11:04] <Laurenceb> thats nuts
[11:04] <Babs____> I didn't ask for it. I just thought I was going to get a little bit of aluminium
[11:04] <Laurenceb> lol
[11:04] <Vaizki> :)
[11:05] <Babs____> When the package came the only thing that crossed my mind was that I had ordered a 24cm by 14cm pcb rather than 24mm by 14mm
[11:05] <edmoore> who did you get it from?
[11:05] <Babs____> Pcbway
[11:05] <Babs____> The customs is going to kill
[11:05] <Babs____> Me
[11:05] <Babs____> Customs
[11:05] <Babs____> Charge
[11:06] <edmoore> abandon sentance
[11:06] <Vaizki> I think we have enough words now to form an idea around what you mean
[11:06] <edmoore> digital fountain codes
[11:10] <Maxell> navrac_wurk: might look good for your drifty example. Not the most clear tx i've seen
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[11:12] <Geoff-G8DHE> Oh Oh altitude stuck at 14,669m
[11:13] <navrac_wurk> that looks relativly stable - maybe if i tweak the rit control at the same time.....
[11:13] <Geoff-G8DHE> yup and same location being sent
[11:14] <Geoff-G8DHE> Been the same since exactly 11:00 UTC ???
[11:15] <Geoff-G8DHE> not in flight mode for the GPS ??
[11:15] <SQ5KVS> Geoff-G8DHE: bacause of that: http://en.wikipedia.org/wiki/Flammarion_engraving#/media/File:Flammarion.jpg
[11:16] <Geoff-G8DHE> lol
[11:16] <SpacenearUS> New vehicle on the map: 03CALLSIGN123_chase - 12http://tracker.habhub.org/#!qm=All&q=CALLSIGN123_chase
[11:16] <Geoff-G8DHE> Perhaps its a tehthered balloon!
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[11:18] <SpacenearUS> New vehicle on the map: 03Auguste1-chase2 - 12http://tracker.habhub.org/#!qm=All&q=Auguste1-chase2
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[11:20] <daveake> 650 and drifty ... it's like old times :)
[11:20] <Maxell> 650???? wut
[11:20] <Geoff-G8DHE> Do we know any more details?
[11:20] <daveake> oh sorry
[11:20] <Maxell> 525 no be 650 my friend :P
[11:20] <daveake> yeah I thought someone said 650 earlier
[11:20] <daveake> I should know I'm tuned in :/
[11:20] <Maxell> yes *they* said that
[11:21] Action: daveake grabs more caffeine
[11:21] <Geoff-G8DHE> its published as 650 so all looking in thw rong place
[11:21] <Maxell> but last minute frequency change!
[11:21] <craag> position is less than drifty
[11:21] <craag> dead stable in fact ;)
[11:21] <daveake> I saw the 2 familiar lines as I was seting the SDR up in 100kHz steps
[11:21] <Geoff-G8DHE> its not in flight mode surely
[11:21] <Maxell> sigh
[11:22] <daveake> yeah did someone uninvent flight mode recently?
[11:22] <x-f> it's the latest trend!
[11:22] <Geoff-G8DHE> I think it will have to be a case that befor they fly they must track one or two balloons first!
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[11:23] <Maxell> Having flight mode disabled saves a few grams of payload :)
[11:24] <SQ5KVS> triangulation, son, triangulation
[11:27] <Geoff-G8DHE> Must becoming up on burst soon ?
[11:29] <Geoff-G8DHE> Ah http://www.balloonchallenge.org/teams/95
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[11:31] <daveake> Well it's 30 mins since 14669 (the first time) so at 5m/s it should be around 25km now
[11:31] <daveake> 15 mins or so left at a guess
[11:32] <daveake> Anyone know what burst alt they were expecting?
[11:32] <Geoff-G8DHE> Not much tech on there vlog site
[11:35] <Geoff-G8DHE> The "L" seems to be there Lock signal well its always been L lost or Locked I wonder ?
[11:36] <x-f> Friday's IRBE-1 was a balloonchallenge launch, too
[11:36] <gonzo_> in scotland, it could eb a wet landing. 'Loched' ?
[11:37] <gonzo_> (i'll get my coat)
[11:37] <daveake> Not quite sure why anyone feels the need to send the altitude to 0.1m resolution
[11:38] <Geoff-G8DHE> Seems like a lot of qualifications flaoting around as well
[11:39] <edmoore> daveake, every centimeter counts when you need an altitude record
[11:40] <Geoff-G8DHE> Ah @Dr_CST on Twit
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[11:41] <Babs____> Stirky is classified as a veteran on the balloon challenge site
[11:44] <edmoore> not that he isn't, but you can call yourself what you like when you're a sponsor
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[11:46] <Babs____> I'm not sure I would ever like to be described as a veteran unless I had been in 'Nam, in which case it would be quite cool
[11:46] <Babs____> Perhaps Anthony was in 'Nam
[11:47] <Geoff-G8DHE> But you might be less a few vital parts and some added random metal bits :-(
[11:47] <edmoore> he uses windows
[11:47] <edmoore> as effective as nam for ptsd
[11:47] <Babs____> napalm cutdown mechanism
[11:47] <Geoff-G8DHE> AFK for lunch
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[12:08] <Maxell> Lost signal here @ Auguste
[12:08] <Maxell> (The Hague)
[12:08] <number10> I know a fake floater when I see one
[12:10] <Geoff-G8DHE-Lap> Its tethered
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[12:12] <Geoff-G8DHE-Lap> was that burst, sudden glith in freq?
[12:12] <Geoff-G8DHE-Lap> perhaps not
[12:12] <daveake> I propose a modification to the map; it should predict the actual altitude and position for fake floaters :)
[12:12] <Geoff-G8DHE-Lap> we could all set bets on the height!
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[12:14] <SQ5KVS> This is Altitude Stabilised System!
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[12:15] <navrac_wurk> gps back
[12:16] <SQ5KVS> hm right
[12:16] <SQ5KVS> so fast!
[12:17] <daveake> so Swindon
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[12:21] <Geoff-G8DHE-Lap> http://360.g8dhe.net/HAB_Flights/2015_Flights/Auguste1_20150413/index.php?ind=2
[12:22] <daveake> Not that far from my last house
[12:26] <number10> your old place is still down as a launch site on the predictor daveake
[12:27] <daveake> yes I have mentioned this ...
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[12:32] <Geoff-G8DHE-Lap> I've lost it down behind the Downs now.
[12:37] <SQ5KVS> will land on A420
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[12:43] <Maxell> blaze it 420
[12:44] <hyde00001> Hello all... How do you experienced trackers interpret/use the "forked"path as shown by Auguste1 - would it influence your search if you had lost signal?
[12:46] <craag> So the lack of positions above a certain altitude was likely caused by not enabling the UBLOX 'Flight Mode'
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[12:47] <craag> If I was chasing, I'd carry on heading to the predicted landing site, then try to find the direction of it with a yagi.
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[12:48] <hyde00001> craag - helpful. just learning in anticipation of launching later in the year... (my tracker spends most of its time making sure flight mode is enabled...)
[12:48] <craag> Using the constant ascent rate, and timing the ascent since it's last known altitude, you may also be able to calculate the burst altitude, and adjust the predictin accordingly.
[12:49] <craag> (the burst is often noticable on the radio telemetry, as the signal rapidly fades/wobbles initially)
[12:49] <craag> Good to hear hyde00001 :)
[12:50] <hyde00001> craag - i've noticed that when tracking other flights. Today i'm living vicarioulsy as I'm at work, so no radio...
[12:50] <craag> That's why tracking other flights first is useful :)
[12:50] <russss> ...does anyone know if anyone's ever applied for or successfully received a balloon launch notam through class D airspace?
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[12:50] <hyde00001> which is a shame as I'm only just up the road in Oxford...
[12:51] <mattbrejza> russss: its the CTA zones they care about
[12:51] <mattbrejza> unless its north london area
[12:51] <daveake> hyde00001, I had something similar once when an rfm22b went awol during ascent, then came back, then went again during descent
[12:51] <daveake> Just headed for the predicted landing spot
[12:51] <daveake> and prayed it would come back when it warmed up (which it did)
[12:52] <russss> I've just heard about a launch in the london CTA and I'm somewhat surprised if it's kosher
[12:52] <mattbrejza> well the london one is a bit different
[12:53] <mattbrejza> it covers all of the M25 area?
[12:53] <Babs____> If it's coming out of north London then definitely kosher
[12:53] <daveake> :)
[12:53] <russss> tis quite close to London Hackspace
[12:54] <gonzo_> if we find that the fill neck of the balloon had been cut away, then possibly it is!
[12:54] <Babs____> Can you launch picos from within the m25 , or is this generally viewed as a bit irresponsible notwithstanding them not being under CAA >2n rules ?
[12:55] <Babs____> >2m
[12:55] <russss> which is rather close to the northeastern Heathrow approach path
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[12:55] <daveake> gonzo_ It'd be a bacon-free launch
[12:55] <Babs____> Snarf
[12:55] <mattbrejza> russss: you can view notams online anyway, although they dont usully appear until a few days before hand
[12:55] <gonzo_> hehe, then it would be doomed
[12:56] <russss> yeah it's beyond the notam window at the moment
[12:56] <gonzo_> but it would never be released.
[12:56] <KM4FSW> ok i'm a pilot
[12:56] <KM4FSW> fly an A320
[12:56] <KM4FSW> hitting one of these pico trackers would be a non event
[12:56] <russss> I just don't want to besmirch London Hackspace's good reputation with the CAA :)
[12:57] <russss> by association
[12:57] <KM4FSW> the odds are astronomical
[12:57] <Babs____> Just looking for good practice not just theory
[12:57] <KM4FSW> hit a big bird once at 4K feet. made a huge dent in the leading edge, and went right through the number 2
[12:57] <gonzo_> the met office balloons have lots of AA batts. Suspect they would be far worse
[12:57] <KM4FSW> engine didn't skip a beat
[12:58] <Babs____> Want to work out whether going and popping one off the top of primrose hill will lead to lots of virtual shaking of heads and looking at feet
[12:58] <gonzo_> would it have been woesr if the bird hadn't first beed softened up a bit by the impact?
[12:58] <gonzo_> worse
[12:59] <mattbrejza> Babs____: if you do it off the main flight paths and predicted to go away from approaches itll be fine
[12:59] <mattbrejza> there was that 2m pico that floated along over the length of a runway at 400-800m...
[13:00] <gonzo_> but as said, the chances of a strine are tiny. of the hundreds of met ones each day, no incidents.
[13:00] <day> KM4FSW: are you piloting right now?
[13:00] <gonzo_> someone sent a poil pico right up through a glide path
[13:01] <gonzo_> wonder who thatw as?
[13:01] <mattbrejza> it was a 100g latex
[13:01] <mattbrejza> not enough He
[13:02] <mattbrejza> so not intentonal
[13:02] <hyde00001> so while I have you knowledgeable people talking about launching sites...
[13:03] <hyde00001> Have I got any chance of getting this approved: http://tinyurl.com/hyde00001-Marston
[13:03] <SpacenearUS> New position from 03PS-42 after 039 hours silence - 12http://tracker.habhub.org/#!qm=All&q=PS-42
[13:04] <hyde00001> About 6 miles from "Oxford-London" Airport...
[13:04] <hyde00001> or Kidlington airport as people nearby call it who haven't read the branding memo
[13:06] <hyde00001> the oblong strip of green (football field) just round the corner from my house...
[13:06] <mattbrejza> i tihnk youll get 51 46'19.6"N 1 13'58.8"W, perhaps with some float direction restrictions
[13:06] <mattbrejza> youre not in a CTA
[13:06] <daveake> You'll possibly have a restriction on flight path and you'll definitely need to call the airport first
[13:07] <daveake> Unless you launch when they're closed
[13:08] <russss> do the controllers actually care about it though? Or do they just kindly take your call and then ignore it
[13:08] <adamgreig> sometimes they ask you to hang on a few minutes while something flies over
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[13:09] <Babs____> Thanks Ma ttbrejza
[13:09] <Babs____> Sorry, mattbrejza
[13:10] <mattbrejza> :)
[13:10] <russss> ah, these people have a NOTAM for 5am
[13:11] <russss> bit too early for my liking
[13:12] <craag> Heh I've applied for a 3:30-4:30am window :)
[13:12] <russss> any particular reason?
[13:12] <gonzo_> depending on the location of the airfield/airspace, the restrictions may be awkward
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[13:12] <craag> Yeah - high altitude sunrise photos
[13:13] <daveake> There are only 2 reasons :) - to capture the sunrise, or to avoid air traffic issues :)
[13:13] <gonzo_> my only notam didn't allow driting south or east. Which is 90% if the winds here
[13:13] <daveake> we got lucky for the eclipse one
[13:13] <craag> I'm hoping it'll have relaxed restrictions on wind direction too
[13:13] <hyde00001> guys - very helpful and encouraging. If I can get that spot approved it will make my life easy as its only 100m from my house...
[13:13] <daveake> notam said "has to drift in a southerly direction"
[13:13] <daveake> which is exactly what it did
[13:14] <hyde00001> Guess I will have to try and see what sort of response I get..
[13:14] <daveake> haha
[13:14] <russss> the eclipse stuff was great
[13:14] <Geoff-G8DHE-Lap> You have them weel trained daveake !
[13:14] <daveake> we've all hoped
[13:14] <gonzo_> I was luck, on the last day of the notam, the winds did change direction. But that came with a weather front and we got soaked
[13:14] <daveake> getting a response, other than the permission itself moments before the end of office hours the last business day before launch, is almost impossible
[13:15] <Geoff-G8DHE-Lap> Looks like the Augustes chase car is off home
[13:15] <hyde00001> As a strategy, what sort of window do people usually request - it occurred to one could ask for every Saturday this summer for example... Is that considered very bad form?
[13:15] <daveake> yeah that won't work
[13:15] <russss> if you're not going to use it then it's just more cruft for pilots to sieve through
[13:15] <daveake> they are trying to keep the windows short
[13:16] <daveake> but there's no problem asking for a saturday anbd then, if you can't launch, ask for the next saturday
[13:16] <hyde00001> Seem reasonable. Saturday plus next seems "fair" to all
[13:16] <daveake> just let the caa know asap if you decide to postpone
[13:17] <daveake> See the "Permission" section in http://www.daveakerman.com/?p=1732
[13:17] <russss> tangentially related, I got to do some nice aerial photography from an actual plane on holiday https://www.flickr.com/photos/russss/sets/72157651130707239/
[13:18] <gonzo_> also if you have a multu dat notam, let them know if you launch early on, so they can cancel it for the reamining days
[13:18] <russss> turns out they're far less tetchy about their airspace over there
[13:19] <russss> you can fly over SFO at 1000ft and they won't shoot you down
[13:19] <hyde00001> daveake - brilliant page. I've read through it before, but thanks for the reminder.
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[13:20] <daveake> The CAA used to be fairly happy to give large launch windows but I believe they've had some pilot feedback since which they've tried to reduce the windows
[13:20] <gonzo_> multu dat=multi day!
[13:20] <daveake> yes, multi-day
[13:20] <daveake> as in "all week"
[13:21] <daveake> Also, the narrower the window the fewer calls you get
[13:21] <SpacenearUS> New vehicle on the map: 03EI2KK_chase - 12http://tracker.habhub.org/#!qm=All&q=EI2KK_chase
[13:21] <daveake> So I always try and be as precise as I can
[13:21] <hyde00001> Calls?
[13:21] <daveake> pilots
[13:22] <daveake> that's why you have to put a phone number on the form
[13:22] <hyde00001> They phone to check up on progress?
[13:22] <daveake> No, pilots may call if they want to fly through your notam'd area
[13:22] <daveake> as avoiding it costs time and fuel
[13:22] <gonzo_> should call. Often don't
[13:22] <daveake> These are generally private pilots
[13:23] <daveake> Yeah I reckon about 50% call
[13:23] <hyde00001> But during the launch window or sometime before when they are planning their route?
[13:23] <daveake> because, roughly, for every call I get, I see a plane or heli fly right over he launch site
[13:23] <hyde00001> I suppose with a big window this is actually the same thing..
[13:23] <daveake> planning
[13:23] <gonzo_> I had one call, and that was just an out of interest call, not actually flying
[13:23] <russss> social call
[13:24] <daveake> For one flight there was a bad road accident half a mile away
[13:24] <daveake> Air ambulance and police heli turned up
[13:24] <daveake> Neither wasted time calling :)
[13:24] <russss> I wonder if they even check notams
[13:24] <gonzo_> heli prob have more chance visually spotting it
[13:25] <daveake> They do - I had a call once from Midland Air Ambulance - they were off somewhere for a show
[13:25] <russss> heh
[13:25] <gonzo_> wonder how mant the souton uni guys get, as their launch site is right over a visual reporting landmark
[13:25] <hyde00001> Makes sense. I saw a picture form someone on here of a plane that was pretty close in flight. Does that happen often?
[13:25] <hyde00001> from
[13:26] <russss> I guess they have a dedicated person in an office somewhere doing their routing
[13:26] <gonzo_> we used to do rockets there and saw a GA plane every 5min
[13:26] <russss> hyde00001: they tend to look closer than they are at altitude
[13:27] <gonzo_> and close on a map may be a long way in altitude difference
[13:27] <hyde00001> The opposite of "Objects in mirror are closer than they appear" then...?
[13:28] <russss> if you're in an airliner and you spot another plane at a couple of nm separation it looks worryingly close
[13:30] <SpeedEvil> russss: Indeed, at that distance, vacuum welding is a concern
[13:30] <hyde00001> Guys - thanks for all your help. The chat on here is great to listen too, but all the web resources you have contributed to are amazing. Better get back to the day job now...
[13:30] <russss> :/
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[13:59] <SpacenearUS> New position from 03K6RPT-11 after 0312 hours silence - 12http://tracker.habhub.org/#!qm=All&q=K6RPT-11
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[14:03] <bradfirj> Guys, anyone have any data on time to fix for the ublox modules, assuming power is cut to the VDD pin by some semiconductor, but VBAT is kept connected?
[14:04] <bradfirj> Data sheet says 2s
[14:04] <bradfirj> Data sheets lie.
[14:07] <day> usually they dont
[14:08] <day> marketing papers do
[14:08] <UpuWork> !flights
[14:08] <SpacenearUS> 03UpuWork: Current flights: 03Auguste Launch 1 10(35af)
[14:08] <UpuWork> !track 35af
[14:08] <SpacenearUS> 03UpuWork: Here you go - 12http://tracker.habhub.org/#!qm=All&q=35af
[14:08] <bradfirj> Well, fair enough, often they're optimistic that's all!
[14:09] <UpuWork> depends on so many factors
[14:09] <UpuWork> antenna
[14:09] <bradfirj> I'd like to completely cut off the GPS between telemetry transmissions, for power conservation, so I'm wondering if firing it back up 5s or 10s before transmit is a good idea
[14:09] <UpuWork> I wouldn't
[14:09] <UpuWork> just stick it in power saving and have done with it
[14:10] <UpuWork> it only uses 5-6mA in 1 sec cyclic
[14:10] <bradfirj> Ah ok, good enough
[14:10] <UpuWork> its behaviour when hot starting can be random
[14:10] <day> why not start it and then wait till it sends a valid coordinate then send
[14:10] <UpuWork> it says its got a valid position but it hasn't
[14:10] <UpuWork> my advice is just stick with 1 sec cyclic
[14:10] <day> oh. i thought they provide some 00000000 coordinate
[14:10] <UpuWork> no they go all over the place
[14:11] <edmoore> <UpuWork> it says its got a valid position but it hasn't
[14:11] <edmoore> that's extremely extremely bad
[14:11] <UpuWork> never managed to replicate it in ucenter
[14:11] <UpuWork> so never been able to log it
[14:11] <UpuWork> as an issue
[14:11] <UpuWork> I suspect its something I'm doing wrong
[14:11] <UpuWork> but I know others have tried it too and got the same results
[14:12] <SpacenearUS> New position from 03JACKAL after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=JACKAL
[14:12] <UpuWork> afk
[14:12] <edmoore> worth an investigation
[14:12] <edmoore> if people want to get back into the habit of flying SD cards (which would be nice) then it's easy to log absolutely everything the gps flings at you
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[14:17] <SQ5KVS> edmoore: right, it should be helpful to find this SD card :D
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[14:26] <edmoore> ?
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[14:29] <SQ5KVS> nevermind, its zen
[14:30] <fsphil> you'd want a backup payload
[14:32] <fsphil> power saving on the gps only makes sense if you're planning to float it longer than a few days
[14:32] <day> why would you not float it for longer than a few days?
[14:33] <craag> I think I remember Leo saying that with the MAX7, it worked out to ~15 minutes being the knee-point for powersaving
[14:33] <craag> If you were wanting a positon more often than every 15 minutes, better to just leave it on in cyclic mode.
[14:33] <fsphil> it's quite difficult to do day
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[14:34] <fsphil> latex balloons rarely survive longer than 24 hours
[14:34] <fsphil> foils are just weird
[14:34] <day> what kills the?
[14:34] <day> them
[14:34] <russss> sunlight
[14:35] <day> really the uv radiation is that strong up there?
[14:35] <craag> yeah - they tend to die the following morning
[14:35] <UpuWork> sun heats the gas yp
[14:35] <russss> latex is very sensitive to UV
[14:35] <UpuWork> up
[14:35] <UpuWork> they rise and pop
[14:35] <day> so how do some balloons last months?
[14:35] <fsphil> those are foils
[14:35] <day> that cant be a quality issue
[14:35] <russss> the ones which last months aren't latex
[14:35] <day> ok
[14:36] <fsphil> well not all foils
[14:36] <day> and foil is much more expensive?
[14:36] <UpuWork> foils generally fail for the same reason just takes longer
[14:36] <UpuWork> they rise and fall day/night
[14:36] <UpuWork> which eventually causes failure
[14:36] <Laurenceb> not really
[14:36] <Laurenceb> usually they get got by cloud
[14:36] <UpuWork> well that as well
[14:36] <UpuWork> weather as they float lower
[14:36] <Laurenceb> unless they are high enough
[14:37] <day> a true a thunderstorm might not be the perfect place for a little balloon with electronic attached to it :D
[14:37] <craag> just a little moisture on the envelope is all that's needed
[14:38] <craag> 2 grams or so and it'll come down
[14:38] <day> well the moist should melt/ evaporate before it hits the ground. unless its cold :/
[14:38] <Laurenceb> yes thats one of the things Leo discovered
[14:39] <Laurenceb> the ESD environment is quite harsh
[14:39] <edmoore> i think a true thunderstorm would be an excellent place for a hab
[14:39] <craag> I'd love to launch an equipped hab into a thunderstorm some day
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[14:40] <UpuWork> yup me too
[14:40] <fsphil> yeah. just don't have enough storms :/
[14:40] <UpuWork> I keep some 100g latex balloons just in case
[14:40] <edmoore> i'd launch a biggun
[14:40] <day> has anyone ever tried to track a chinalatern?
[14:40] <edmoore> let it try and brave through the cumulonimbus
[14:40] <day> the ones with a candle?
[14:40] <edmoore> and get some lovely photos from above
[14:41] <edmoore> day, no - you're not really meant to launch them here
[14:41] <fsphil> day: just head for the fire it starts
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[14:41] <day> well. considering that they were started by the 1000 a few years back, i think the risk is manageable :P
[14:42] <day> well summer might indeed not be the best time
[14:42] <edmoore> land use was different 1000 years ago
[14:42] <fsphil> try a solar balloon instead. uses the sun to heat up the air inside
[14:42] <edmoore> but in general their danger (or not) is quite geography-dependant
[14:42] <day> true
[14:43] <SQ5KVS> right, let's burn some forests
[14:43] <day> we dont have any bush fires here. i think those balloons are not even completely banned here
[14:43] <edmoore> but yes there's no reason why it wouldn't work
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[14:43] <day> im just wondering how high and long one could make them fly. seems like a nice competition
[14:43] <SpacenearUS> New position from 03PS-41 after 037 hours silence - 12http://tracker.habhub.org/#!qm=All&q=PS-41
[14:44] <fsphil> ooh
[14:44] <craag> Or you could try with a nice safe inert lighter-than-air gas in an envelope ;)
[14:44] <edmoore> long duraction solar ballooning would be fun
[14:44] <craag> DL7AD has been doing some solar ballooning iirc?
[14:45] <day> you could power it during the night. and use the sun during the day :)
[14:45] <fsphil> bradfirj: you involved with farset labs at all?
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[14:49] <SQ5KVS> Hi Tom :)
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[15:05] <bradfirj> fsphil: I know several of the members yes
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[15:05] <bradfirj> But I'm not "involved" per se, might change over the course of a few months
[15:05] <fsphil> was down at the weekend. they've setup a nice place
[15:06] <bradfirj> Yeah it certaintly looks like it
[15:06] <bradfirj> Current director is an acquaintance of mine through some past projects
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[15:14] <nickjohnson> I like the idea of setting loose a lot of very small largely biodegradable balloons (like the hot air lanterns) and seeing where they go
[15:14] <nickjohnson> Reminds me of a low-cost and low-power method that was used to track bird migrations: using daylight to determine position
[15:15] <nickjohnson> Given an accurate clock and a daylight sensor, you can get latitude from the duration of the day and the time of year, and longitude from sunrise or sunset time
[15:15] <nickjohnson> (In this case you'd need to have a rough idea of altitude, too...)
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[15:20] <SpeedEvil> Be very thoughtful about biodegradability.
[15:20] <SpeedEvil> Cows are not very selective when browsing, and do actually die routinely from chinese lantern debris
[15:20] <SpeedEvil> Bamboo struts are not for exampe better than wire from the point of view of stomach puncturing.
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[15:21] <lz1dev> cause of death: ate a chinese latern  _ 
[15:22] <SpeedEvil> http://www.rspca.org.uk/adviceandwelfare/litter/chineselanterns
[15:22] <SpeedEvil> http://www.wayside-farm.co.uk/chinese-lantern-problem.html
[15:25] <bradfirj> Cows are pretty dumb
[15:26] <lz1dev> TIL
[15:26] <SpeedEvil> Wires chopped into fodder are almost unavoidable
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[15:32] <fsphil> sheep and horses are also very dumb
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[15:33] <Laurenceb> anyone here worked with dvipdfm?
[15:33] <Laurenceb> ive got a really weird bug
[15:33] <fsphil> you get a lot of those Laurenceb
[15:33] <Laurenceb> heh
[15:33] <edmoore> and they're always not relvant to ha
[15:34] <Laurenceb> there might be someone here who knows more than me
[15:34] <Laurenceb> ie anything
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[15:34] <edmoore> that's also why i shout at people in the restaurant next door to me when i need to borrow a salt shaker for my kitchen
[15:34] <Laurenceb> lol
[15:34] <edmoore> probably someone there has a salt cellar
[15:35] <Laurenceb> I'm in smash the keyboard mode here
[15:35] <Laurenceb> same as most days
[15:35] <edmoore> they once got annoyed at me, something about people coming there for a nice meal rather than to be interrupted by a shouting person wanting a salt cellar
[15:35] <Laurenceb> all my graphics misaligned, but only in pdf
[15:35] <Laurenceb> lol
[15:37] Action: Laurenceb goes back to smashing up his keyboard
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[15:41] <Laurenceb> muh robot https://www.kickstarter.com/projects/2106137791/autonomous-robot?ref=category
[15:47] <arko> hahahaha
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[15:49] <Laurenceb> no matter how hard i fail, at least it wont be that bad
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[16:26] <gary> evening/afternoon
[16:26] Nick change: gary -> Guest14231
[16:26] Nick change: number10_ -> number10
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[16:34] <Guest14231> im busy soldering pp9 connectors in parallel for an UNO, will fly in the AM Oçlock good or bad idea? Discuss.....
[16:35] <edmoore> which AM oclock?
[16:35] <daveake> The Mexican-Irish guy, Juan o'Clock
[16:35] <Guest14231> tomorrow AM Oçlock here in South Africa, just a low level float to test the tracking might well lose the payload but I want to make sure those bits work first
[16:36] <Guest14231> before we try and go higher
[16:36] <Guest14231> small steps and all that
[16:36] <daveake> Well, how long dou need it to run, and how long does it run on 1 battery ?
[16:36] <daveake> s/dou/does/
[16:37] <daveake> er s/dou/do you/
[16:37] <Guest14231> yes that I should have tested, I might just do that now with the pair of batteries I have and then pop out in the morning for fresh ones, I am hoping for at least an hour in the air
[16:38] <Guest14231> just wondered if anyone else had used pp9's
[16:38] <edmoore> yes
[16:38] <edmoore> but they really should last more than an hour for just a simple tracker
[16:39] <Guest14231> Ok cool, we shall see
[16:39] <edmoore> use energizer lithium ultimate PP3 batteries (I assume you mean pp3 not pp9)
[16:39] <daveake> PP9 is enormous; do you mean PP3 ?
[16:40] <craag> I got about 4 hours out of them powering a pi
[16:40] <daveake> They're around 500mAh
[16:40] <craag> I meant PP3 :P
[16:40] <daveake> I know you do :)
[16:40] <daveake> It's gary/guestnnnn that I'm wondering about
[16:41] <Guest14231> oh yes you are right, I've not even had a drink yet
[16:41] <edmoore> that might help
[16:42] <Guest14231> they are marked LR9V here
[16:42] <Guest14231> I could'nt remember what it was in the old country
[16:42] <Guest14231> were the 9s the torch ones then
[16:43] <edmoore> they're just really chunk
[16:43] <edmoore> i've never used them in anger
[16:44] <Guest14231> I have some 3S 11.1 volt Lipos and 2S &.4 610 maH but am worried the first will be too much and the latter not enough
[16:45] <mattbrejza> and so youre wiring them in parallel?
[16:46] <daveake> short flight :p
[16:48] <Guest14231> the 9v batteries yes
[16:48] <Guest14231> plainly I am making a schoolboy error
[16:49] <mattbrejza> i was more concerned about the lipos in parallel
[16:49] <Guest14231> oh no...
[16:50] <Guest14231> what is the standard way of powering an Uno?
[16:50] <Guest14231> with ntx2
[16:50] <edmoore> your pp3's will be ok
[16:50] <edmoore> stick with that
[16:51] <Guest14231> oh cool thanks
[16:52] <mattbrejza> 4xAA might be better for hte actual launch though
[16:52] <SpacenearUS> New vehicle on the map: 03J2313156 - 12http://tracker.habhub.org/#!qm=All&q=J2313156
[16:53] <edmoore> catchy name
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[16:54] <Guest14231> why AA's rather than 9v
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[17:05] <bradfirj> AAs are stupendously more energy dense for a given weight
[17:05] <bradfirj> Don't ask me why
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[17:07] <lz1dev> magic
[17:07] <bradfirj> Lower current capacity right?
[17:08] <bradfirj> the PP3s are meant for torches right
[17:08] <lz1dev> are they?
[17:10] <lz1dev> all the torches i've seen use 18650 or cr123
[17:11] <Guest14231> Ah OK I thought they were a little on the chunk side
[17:11] <bradfirj> Nah I'm thinking of those PP9 whoppers
[17:11] <bradfirj> Sorry :p
[17:12] <bradfirj> The large voltage difference between supply and Vcc is inefficient
[17:12] <bradfirj> that's why I don't use them anyway
[17:12] <Guest14231> pp3's used to be transistor radios used to hear the dave clark 5 and other popular beat combos
[17:12] <Guest14231> Ah I see that make sense brad
[17:13] <lz1dev> the only recent device i've seen using pp3 is a multimeter :)
[17:13] <mattbrejza> fairly sure pp3s were designed to power 555 timer ciruits for secondary school kids
[17:13] <lz1dev> or for kids to lick :P
[17:14] <mattbrejza> they are a vast improvment on the lickability front over AAs
[17:14] <bradfirj> Just like the 10s of MOhm setting on your multimeter is entirely to test the impedence of your tongue
[17:14] <mattbrejza> 10s Mohm? whats wrong with your tongue
[17:15] <Guest14231> Oh you modern folks
[17:15] <Guest14231> I can pack 5 AA's but it will be monster heavy
[17:15] <edmoore> bradfirj, sadly i have to measure things a lot higher than that quite often
[17:15] <edmoore> for actual science
[17:16] <edmoore> likewise having 20Gohm impedance on voltage meters
[17:16] <bradfirj> I was more referring to how inaccurate mine is at that kind of magnitude
[17:16] <edmoore> ah
[17:16] <edmoore> mine isn't
[17:16] Action: edmoore strokes his agilent
[17:16] <bradfirj> I have a beat up precision gold
[17:16] <bradfirj> It works
[17:16] <bradfirj> sort of :3
[17:16] <edmoore> actually the one with the huge voltage meter impedance is a fluke
[17:17] <lz1dev> 3.7V 6000mAh 18650 Li-ion Rechargeable Battery for UltraFire Flashlight RT
[17:17] <lz1dev> £0.99
[17:17] <lz1dev> lmao
[17:17] <lz1dev> people still fall for this
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[17:19] <Guest14231> So no I have to say, would I be better off with the 610 maH 7.4 if 4 AA's were good enough?
[17:19] <edmoore> no!
[17:19] <edmoore> because your AAs should be *way* higher than 610mAh
[17:19] <lz1dev> ^
[17:19] <edmoore> unless they're filled with fag-ends and used coffee-grinds
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[17:20] <lz1dev> AA should generally be between 1000-2000mAh
[17:20] <Guest14231> OK
[17:20] <edmoore> what are your AAs?
[17:23] <Guest14231> I am just looking at G oogle and I see the error of my thinking now and the coorectness of ed and brad
[17:23] <lz1dev> Guest14231: http://www2.cs.man.ac.uk/~popovr8/tiny/01.html#go_battery_pack
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[17:25] <edmoore> i'd just get a spreadsheet and get all the numbers down that are relevant for each of the options
[17:25] <edmoore> and then consider the effect of temperature or whatever
[17:25] <edmoore> (which might rule out LiPos)
[17:26] <edmoore> you'll end up just going with lithium energizer ultimates probably
[17:26] <lz1dev> lipos are great :D
[17:27] <lz1dev> http://www.batteryshowdown.com/static/images/mah_large_200mA.png
[17:27] <lz1dev> optimum 'heavy duty' :)))
[17:31] <Guest14231> I thought I read the uno goes a little flaky below 7v powered through the plug? Am I powering through the wrong spot?
[17:31] <edmoore> how can we answer that?
[17:32] <edmoore> 1) which plug are you powering it through
[17:32] <edmoore> 2) what is your intended feed voltage
[17:32] <Guest14231> humour?
[17:33] <edmoore> 3) are you asking because you're currently having a flakiness problem?
[17:33] <Guest14231> the 5-12v plug thing on the right there is probably a grown up name
[17:33] <Guest14231> Well funny you shold mention there has been dandruff in the beard recently
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[17:36] <Guest14231> supper brb
[17:41] <amell> got this problem where i need to firmware update through a DF13 socket. Have no DF13 plugs - anyone got any ideas how i might patch into it? its a one off. Bit too small for jumpers.
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[18:08] <SpacenearUS> New vehicle on the map: 03N8ERF-5_chase - 12http://tracker.habhub.org/#!qm=All&q=N8ERF-5_chase
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[19:02] <Lunar_Lander> evening
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[19:03] <fsphil> howdy
[19:04] <Reb-SM0U1C> evening
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[19:05] <Reb-SM0U1C> mm
[19:05] Nick change: Reb-SM0U1C -> Reb-SM3ULC
[19:06] <Lunar_Lander> it's good to be back to research
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[19:16] Action: amell swears at DF13
[19:18] <Ian_> [06:44] <KM4FSW> ohh so you assemble them there? A serious matter of strict Yorkshire QC :)
[19:18] <Ian_> amell , stick wires into it very carefully
[19:18] <Ian_> wires = pins
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[19:27] <amell> sexual mismatch
[19:28] <amell> my latest attempt is a finely modified piece of stripboard.
[19:28] <amell> each of the strips are cut in half.
[19:28] <amell> to match the 1.25mm pin pitch
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[19:51] <infaddict> evening all
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[20:05] <KF5WYX> evening
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[20:09] <SpacenearUS> New vehicle on the map: 03VK3YSP_CHASE_chase - 12http://tracker.habhub.org/#!qm=All&q=VK3YSP_CHASE_chase
[20:10] <SpacenearUS> New position from 03MTG004 after 037 hours silence - 12http://tracker.habhub.org/#!qm=All&q=MTG004
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[20:13] <fsphil> spacex launch coming up, forgot about that
[20:14] <KF5WYX> I don't understand pages 16&17 of the AX.25-2.2 spec. My guess is that for my APRS frames I can set the control field to a constant, can anyone help me to work out what that constant is?
[20:15] <fsphil> 0x03
[20:15] <fsphil> which is apparently "APRS-UI frame"
[20:15] <KF5WYX> Thanks fsphil, and that's 8-bits transmitted highest order bit first?
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[20:16] <amell> oh gosh, thanks for reminder.
[20:16] <fsphil> LSB first
[20:16] <amell> 10 mins time
[20:16] <KF5WYX> thank you
[20:16] <amell> which stream is least likely to crap out? any ideas?
[20:17] <amell> the orion streaming didnt go well
[20:17] <Laurenceb_> sweet
[20:17] <fsphil> http://www.spacex.com/webcast/ working atm
[20:17] <Laurenceb_> https://twitter.com/ulalaunch/status/587709900211539969/photo/1
[20:18] <Laurenceb_> Elon has really fired things off
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[20:18] <fsphil> and just as I say that, it stops
[20:18] <fsphil> buffering
[20:19] <fsphil> https://www.youtube.com/watch?v=UVUCVYRGcUo
[20:19] <fsphil> seems to be working... for now
[20:20] <amell> im gonna go with youtube. hopefully they are least likely to f. up.
[20:20] <SpeedEvil> Best webcast pre-launch music of any launch..
[20:20] <amell> hope they manage to land it!!!
[20:20] <fsphil> lightning, yay
[20:21] <fsphil> lets get the launch over first ;)
[20:21] <amell> ooh, 1080p. nice. Shame no 4K.
[20:21] <fsphil> they where not wrong, http://www.blitzortung.org/Webpages/index.php?lang=en&page_0=32
[20:21] <fxmulder_> you have a 4k display?
[20:21] <fsphil> that's a lot of lightning
[20:22] <amell> fxmulder_: yes.
[20:23] <amell> fxmulder_: doesnt everyone?
[20:23] <SpeedEvil> The final countdown lasts 4:56
[20:23] <fxmulder_> amell: hah that would be nice
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[20:30] <fxmulder_> dammit
[20:31] <fsphil> aww
[20:32] <SpeedEvil> indeed
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[20:39] <SpacenearUS> New vehicle on the map: 03lmao_chase - 12http://tracker.habhub.org/#!qm=All&q=lmao_chase
[20:39] <Laurenceb_> LOL
[20:40] <lz1dev> chase car with telemetry
[20:40] <lz1dev> how about that?
[20:40] <lz1dev> and also flying
[20:40] <amell> scrub? fook
[20:41] <amell> lz1dev: im lmao&
[20:42] <Laurenceb_> wtf
[20:42] <Laurenceb_> the ULA thing appears to actually have an internal combustion engine onboard
[20:45] <SpacenearUS> New vehicle on the map: 03rofl_chase - 12http://tracker.habhub.org/#!qm=All&q=rofl_chase
[20:48] <SpeedEvil> Laurenceb_: yeah - interesting and does fun things.
[20:48] <SpeedEvil> Laurenceb_: reduces a _lot_ of fluids to just Kero+oxygen
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[21:14] <Laurenceb_> SpeedEvil: thanks for the link
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[21:14] <Laurenceb_> amazing read
[21:15] <Laurenceb_> edmoore: http://www.ulalaunch.com/uploads/docs/Published_Papers/Extended_Duration/Development_Status_of_an_Integrated_Propulsion_and_Power_System_for_Long_Duration_Cryogenic_Spaceflight_2012.pdf
[21:15] <SpeedEvil> It's just a bit depressing that this wasn't done in 1970
[21:15] <edmoore> i've read about this
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[21:39] <KF5WYX> When packing the AX.25UI frame for APRS, if the destination address = "APRS "+SSID=0 - is the Digipeater path required? Or can it be padded with 57*(char)32 ?
[21:40] <SpacenearUS> New vehicle on the map: 03EB1 - 12http://tracker.habhub.org/#!qm=All&q=EB1
[21:40] <KF5WYX> My understanding was that it should contain WIDE2-1 and nothing else.
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[21:49] <KF5WYX> \\// catch y'up later.
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[22:59] <Laurenceb_> so next spacex launch attempt is ~same time tomorrow?
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[23:01] <fxmulder_> 4:10 est 50% chance of favorable conditions
[23:08] <Laurenceb_> 4:10 whos time?
[23:10] <qyx_> est
[23:13] <Laurenceb_> ah
[23:14] <SpeedEvil> 20:10 here I think
[23:15] <qyx_> they should start using utc
[23:15] <SpeedEvil> Everyone should.
[23:18] <Laurenceb_> i make it 21:10 BST ?
[23:18] <Laurenceb_> 5 hours?
[23:20] <amell> 20.33 today, so forward by half an hour or so sounds about right
[23:21] <amell> wtf. some CTO wants to interview me at centreparcs? :)
[23:21] <russss> yeah EST is BST+5
[23:21] <russss> er, *EDT*
[23:23] <russss> rather confusingly EST is the non-DST timezone
[23:23] <qyx_> aren't they equal now?
[23:24] <russss> nope, EST is the non-daylight-savings-time abbreviation
[23:24] <russss> east coast of the US is now on EDT
[23:24] Action: Laurenceb_ zzz
[23:25] <russss> S stands for "standard" rather than "summer"
[23:25] <russss> but not standard for half the year
[23:26] <russss> eastern non-standard time
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[23:29] <russss> my timezone pedantry has sent everyone to sleep
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[23:41] <qyx_> mhm, when i but both to google, they seem to be same
[23:42] <qyx_> *put
[23:42] <qyx_> ah, google doesn't differentiate between est/edt, it shows ET
[23:47] <russss> yeah ET is the generic term. I'm guessing it's confusing enough for everyone that google just makes an assumption.
[23:47] <russss> and I'm just a pedant
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[00:00] --- Tue Apr 14 2015