highaltitude.log.20161129

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[01:30] <Laurenceb_> balloon power problems solved
[01:30] <Laurenceb_> https://hardware.slashdot.org/story/16/11/28/2253239/scientists-turn-nuclear-waste-into-diamond-batteries
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[01:40] Action: SpeedEvil sighs.
[01:40] <richardeoin> Laurenceb_: I haven't seen any power density figures for that yet
[01:41] <richardeoin> I guess you could work it out, but I don't even understand the mechanism
[01:41] <Laurenceb_> yeah bet its v v low
[01:41] <Laurenceb_> well you can work out C14 decay rate and typical beta battery performance
[01:41] <SpeedEvil> Oh - C14!
[01:41] <Laurenceb_> and its going to be lower than tritium based stuff
[01:41] <SpeedEvil> I've said I wanted a C14 diamond for a while
[01:41] <SpeedEvil> It's going to go rapidly brown
[01:42] <SpeedEvil> (as C turns to N
[01:42] <richardeoin> I could also walk into Tom's office and ask him, he supervises a friend's dissertaion
[01:42] <richardeoin> but likely to be so low as to be useless
[01:42] <SpeedEvil> remember the differential density between tritium and diamond is 'quite high'
[01:42] <Laurenceb_> oh yeah good point
[01:43] <Laurenceb_> and 5k versus 11years
[01:43] <Laurenceb_> probably better than tritium
[01:43] <SpeedEvil> 'better than tritium' isn't exactly glowing praise though
[01:43] <Laurenceb_> hehe
[01:44] <SpeedEvil> Also - I heavily doubt 'C-14 gas'
[01:45] <richardeoin> uuuh yeah that looked like a dodgy bit from the animation
[01:45] <richardeoin> all that lovely C-14 gas
[01:45] <SpeedEvil> possibly CH*
[01:45] <Laurenceb_> I was reading this earlier
[01:45] <Laurenceb_> https://nucleus.iaea.org/sites/graphiteknowledgebase/wiki/Guide_to_Graphite/Graphite%20in%20the%20Advanced%20Gas%20Reactor%20Fleet.aspx
[01:45] <Laurenceb_> v interesting site
[01:45] <SpeedEvil> Was reading up on Tchernobyl.
[01:46] <richardeoin> "Nuclear Graphite Knowlege Base"
[01:46] <richardeoin> yup they spelt Knowledge wrong
[01:46] <Laurenceb_> fun job
[01:46] <Laurenceb_> https://nucleus.iaea.org/sites/graphiteknowledgebase/wiki/Guide_to_Graphite/Man%20Access.aspx
[01:46] <SpeedEvil> The 'corium' - which melted out of the reactor at ~3000C or so temp for the first few days due to decay heat is now at more or less room temp.
[01:46] <Laurenceb_> all that lovely grey dust
[01:46] <Laurenceb_> lul
[01:47] <Laurenceb_> how graphite formed
[01:48] <richardeoin> looks like the underside of a swimming pool, but worse
[01:49] <SpeedEvil> https://www.chernobyl-tour.com/webcams_chernobyl_nuclear_power_plant_en.html
[01:49] <SpeedEvil> containment now over the power plant
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[01:52] <richardeoin> Oh beta batteries have even have had commertial success https://en.wikipedia.org/wiki/Betacel
[01:52] <richardeoin> 400 microwatts
[01:52] <richardeoin> Pm-147 has a much shorter lifetime than C-14 though
[01:53] <richardeoin> "Most of the volume was used for shielding"
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[01:55] <SpeedEvil> For a lot of that time though, long lived small batteries weren't really a thing
[01:55] <SpeedEvil> today a 20 year 400uW battery is quite available
[01:56] <SpeedEvil> wait
[01:56] <SpeedEvil> no, nvm, that's 20Ah
[01:56] <SpeedEvil> ^7
[01:57] <SpeedEvil> 3AAs or so
[01:58] Action: Laurenceb_ was looking at worker tracking in mines a while ago
[01:58] <richardeoin> I make it to be 70Ah - 20*365*24*0.4 = 70k
[01:58] <Laurenceb_> looked like the simplest solution to the problem was v boring
[01:58] <richardeoin> fair bit of battery, and you'd have to think about self-discharge too
[01:58] <Laurenceb_> mesh network of ism band devices running off lithium D cells
[01:59] <Laurenceb_> but a situation where beta batteries might work
[01:59] Action: Laurenceb_ zzz
[01:59] <SpeedEvil> richardeoin: microwatts not microamps. But I divided by 3.6 twice
[01:59] <SpeedEvil> so it's 20
[01:59] <richardeoin> Oh yup, zzz
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[02:01] <richardeoin> SpeedEvil: Are 3.6V, 5Ah primary batteries in AA size available?
[02:01] <SpeedEvil> no, 2.6Ah though
[02:02] <SpeedEvil> https://www.reichelt.com/?LANGUAGE=EN&CTYPE=0&MWSTFREE=0&CCOUNTRY=447&ARTICLE=135659&PROVID=2788&wt_guka=22596720497_79177300097&PROVID=2788&gclid=CLz4htHvzNACFUu3GwodhaEMZA
[02:02] <richardeoin> cool
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[02:03] <SpeedEvil> @-20C they really don't want to do more than 10mA though
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[02:04] <SpeedEvil> same weight as a L91, but rather more energy if you can cope with the low drain
[02:04] <richardeoin> could put a smallish supercap in parallel to smooth out the demand from a tracker
[02:05] <richardeoin> getting below 10 or even 5mA average isn't too hard
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[05:44] <SpacenearUS> New vehicle on the map: 03EA4AEB_chase - 12https://tracker.habhub.org/#!qm=All&q=EA4AEB_chase
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[06:03] <PE2BZ> !track ubseds18
[06:03] <SpacenearUS> 03PE2BZ: Here you go - 12https://tracker.habhub.org/#!qm=All&q=ubseds18
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[08:03] <Vaizki> 5 days since last contact.. maybe it's checking out the pole
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[08:06] <fsphil> it's on a secret mission
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[08:24] <gonzo_> a lot of arsing about last night, but looks like I have a lora pi ready for today's flights
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[09:11] <SpacenearUS> New position from 03OO9 after 0318 hours silence - 12https://tracker.habhub.org/#!qm=All&q=OO9
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[09:14] <niiiiiiick> so is it possible to have sex in space?
[09:14] <niiiiiiick> what about masturbate?
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[09:45] <Upu> https://tracker.habhub.org/#!mt=roadmap&mz=11&qm=1_day&mc=51.95029,-2.54447&q=OO0;OO1;OO2;OO3;OO4;OO5;OO6;OO7;OO8;OO9
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[09:52] <pb0ahx> GM all
[09:53] Kodar (~Kodar@93-142-245-180.adsl.net.t-com.hr) joined #highaltitude.
[09:56] <pb0ahx> !flights
[09:56] <SpacenearUS> 03pb0ahx: Current flights: 03TDMTest 10(4ddc), 03Epsom Altitude 10(8ba0), 03UBSEDS18 434.612.5 CONTESTIA 16/1000 10(64a5)
[09:57] <pb0ahx> !payload 4ddc
[09:57] <SpacenearUS> 03pb0ahx: Payload 03OO0 10(4ddc) 03$$OO0 - no transmissions
[09:57] <SpacenearUS> 03pb0ahx: Payload 03OO1 10(4ddc) 03$$OO1 - no transmissions
[09:57] <SpacenearUS> 03pb0ahx: Payload 03OO2 10(4ddc) 03$$OO2 - no transmissions
[09:57] <SpacenearUS> 03pb0ahx: Payload 03OO4 10(4ddc) 03$$OO4 - no transmissions
[09:57] <SpacenearUS> 03pb0ahx: Payload 03OO5 10(4ddc) 03$$OO5 - no transmissions
[09:57] <SpacenearUS> 03pb0ahx: Payload 03OO6 10(4ddc) 03$$OO6 - no transmissions
[09:57] <SpacenearUS> 03pb0ahx: Payload 03OO8 10(4ddc) 03$$OO8 - no transmissions
[09:57] <SpacenearUS> 03pb0ahx: Payload 03OO9 10(4ddc) 03$$OO9 - no transmissions
[09:57] <SpacenearUS> 03pb0ahx: Payload 03OO3 10(4ddc) 03$$OO3 - no transmissions
[09:57] <AndyEsser> morning
[09:57] <SpacenearUS> 03pb0ahx: Payload 03OO7 10(4ddc) 03$$OO7 - no transmissions
[09:57] <SpeedEvil> morning
[09:57] <AndyEsser> woo, broke the pattern :)
[09:57] <pb0ahx> morning AndyEsser
[09:58] <pb0ahx> :-))
[09:59] <AndyEsser> right, remote connection to my pi works :)
[09:59] <AndyEsser> shame it's not plugged into a decent antenna :(
[10:00] <pb0ahx> wy not ?
[10:00] <pb0ahx> without antenna you hear so little
[10:01] <AndyEsser> because I went to bed last night, I meant to move it up to the office and plug it into the antenna, but last time I did that it lost its wifi connection
[10:01] <AndyEsser> so was going to set up a wired connection, but decided to sleep instead
[10:04] <pb0ahx> u need sleep also but the hobby is important
[10:04] madmax (c72bb90a@gateway/web/freenode/ip.199.43.185.10) joined #highaltitude.
[10:06] <AndyEsser> I have my Yagis turning up today :)
[10:09] <udat> and in a first for me, I've everything set up before a launch
[10:09] <udat> AndyEsser: what did you get?
[10:10] <AndyEsser> Diamond A430S15R
[10:10] <AndyEsser> and some Tonna 4-ele 2m thing
[10:10] <udat> cool, for fixed use or portable?
[10:10] <AndyEsser> well the Diamond is 2.5m long...
[10:11] <AndyEsser> so whilst it would technically fit in my car.... it's not particularly portable :P
[10:11] <udat> yeah I'm looking for something that comes apart a bit better
[10:11] <AndyEsser> Diamond have smaller Yagi's
[10:11] <udat> got an 8 element and 5 for 2m but neither come apart easy
[10:11] <AndyEsser> but they were all sold out on Radioworld, or much more expensive elsewhere
[10:13] <AndyEsser> if I can sort out my arrangement at home, and point the Yagi SE-ish with about 4-5 metres more elevation than the X50 - I should hopefully be able to pick up HABs much further away :)
[10:13] <udat> https://elkantennas.com/ got one of these which is handy enough for taking out
[10:14] <udat> used to have an 8 over 8 that was easy to put together up a hill despite being huge
[10:14] <AndyEsser> I could still do with something for receiving the NOAA sat stuff
[10:15] <AndyEsser> a 144 QFH type thing
[10:15] <AndyEsser> but that means making one myself...
[10:15] <udat> just built a qfh for 70cm
[10:15] <udat> only put proper connector on it yesterday so not used properly yet
[10:15] <AndyEsser> easy enough to do?
[10:15] <udat> https://pbs.twimg.com/media/CxdI5s7UUAANaxC.jpg
[10:16] <AndyEsser> I mean, the design doesn't exactly look hard
[10:16] <udat> did it with copper brake pipe
[10:16] <udat> which was a bit fiddily and bends not quite right
[10:16] <AndyEsser> looks nice though :)
[10:16] <AndyEsser> hmm... away in Wales this weekend, suspect gf would not appreciate me going to B&Q beforehand and bringing my tools...
[10:16] <udat> yeah if it doesn't work will just leave it sitting here :)
[10:17] <udat> that was the second attempt, first time landed full -15mhz from where I was intending
[10:17] <udat> as wanting to use it to transmit
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[10:19] <udat> though might just end up using for satellite telemetry rx
[10:25] <AndyEsser> udat: yea, I might try and tune it just right for the NOAA stuff
[10:26] <AndyEsser> love the idea of having an actual weather satellite image for when I go flying :)
[10:29] <udat> fly high enough and you can look down on it? :)
[10:29] <AndyEsser> lol
[10:30] <AndyEsser> was quite impressed on the weekend that I got full bars of 4G reception at 1500ft
[10:30] <SIbot> In real units: 1500 ft = 457 m
[10:31] <fsphil> I once used ssdv images to tell what the weather was like at the predicted landing site
[10:34] <AndyEsser> kind of committed to landing at that point :P
[10:34] <AndyEsser> if you could get an SSDV image, then choose a landing site on the other hand...
[10:35] <udat> the pin for my tracker is right on top of a nearby amateurs house
[10:35] <udat> that'll throw them off..
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[10:37] <fsphil> I rounded mine down a few digits, it's now in a nearby field
[10:40] <AndyEsser> meanwhile I tried to be as accurate as possible.... :P
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[10:45] Action: Geoff-G8DHE-Lap back in and tracking ...... nothing
[10:45] <gonzo_> mine is roughly placed too, but when you are testing payloads, it gives the game away
[10:45] <udat> he's just 100m or so away, have another amateur 100m the other way, had one the other direction too but he died
[10:46] <AndyEsser> ...
[10:46] <AndyEsser> so... is his callsign free now?
[10:46] <AndyEsser> sorry... really poor taste...
[10:47] <udat> I moved in, he died a month later, like theres a maximum number of amateurs allowed to live in a certain radius or something
[10:47] <SpacenearUS> New position from 03OO3 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=OO3
[10:47] <SpacenearUS> New vehicle on the map: 03OO7 - 12https://tracker.habhub.org/#!qm=All&q=OO7
[10:47] <AndyEsser> ooof
[10:47] <AndyEsser> ha
[10:47] <fsphil> imagine a street full of amateurs
[10:48] <SpacenearUS> New position from 03OO6 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=OO6
[10:48] <AndyEsser> lots of QRM
[10:48] <SpacenearUS> New position from 03OO2 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=OO2
[10:48] <SpacenearUS> New position from 03OO4 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=OO4
[10:48] <SpacenearUS> New position from 03OO5 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=OO5
[10:48] <udat> imagine the local support for planning for towers though
[10:48] <SpacenearUS> New position from 03OO0 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=OO0
[10:48] <SpacenearUS> New vehicle on the map: 03OO8 - 12https://tracker.habhub.org/#!qm=All&q=OO8
[10:48] <gonzo_> there is a critical mass of moaning that any area can support
[10:48] <AndyEsser> udat: ha
[10:48] <gonzo_> 80mtrs would be full and the smell would be apauling
[10:48] <SpacenearUS> New position from 03OO1 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=OO1
[10:48] <AndyEsser> gonzo_: they'd need to open a new GP as well
[10:49] <udat> the pair that are left are hf only om
[10:49] <AndyEsser> *shudder*
[10:49] <AndyEsser> the thought of HF disgusts me
[10:49] <AndyEsser> :P
[10:49] <AndyEsser> glad I don't have anything that low :P
[10:49] <fsphil> family member got a new house at the weekend, noticed their neighbour has a colinear on the roof
[10:49] <udat> using FSQ on it at the moment, it's like really slow IRC
[10:49] <AndyEsser> fsphil: going to go introduce yourself?
[10:49] <fsphil> nah
[10:50] <gonzo_> below 70MHz is an IF
[10:50] <udat> lol
[10:50] <AndyEsser> :)
[10:50] <AndyEsser> hmm... what's the quickest turnaround for pcb's?
[10:50] <AndyEsser> although... might just do a PITS
[10:50] <gonzo_> don't play with much below 1GHz. Though I have always had a soft spot for 70MHz
[10:50] <AndyEsser> tempted to make a Pico launch before xmas, with the payload looking like a present
[10:51] <AndyEsser> and have my gf's daughter launch it like a present for santa
[10:51] <gonzo_> till recently you had to do some work to get on 70MHz, so you tended to get more interesting people
[10:51] <AndyEsser> how did oyu get on there?
[10:51] <AndyEsser> :P
[10:51] DutchMillbt (55776a93@gateway/web/freenode/ip.85.119.106.147) joined #highaltitude.
[10:52] <gonzo_> if you get it to say merry xmas on the telem, remember to take it out before re-flying it in summer
[10:52] <gonzo_> cheek!
[10:52] <AndyEsser> gonzo_: I won't recover
[10:52] <AndyEsser> or... do I recover it, but with something now in the present box...
[10:52] <AndyEsser> and fudge the telem to make the track look like it went to the north pole...
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[10:54] <udat> kid let go of a birthday balloon and was crying about it, my parents in scotland bought a similar looking one the next day and showed them what landed in their garden the next day skype
[10:54] <tkerby> Set the tracker to report two paths on different ids. One could be a fake North Pole GPS trace.....
[10:54] <fsphil> awwww
[10:54] <udat> they still talk about it :)
[10:54] <AndyEsser> tkerby: as a rule, I'd rather that not clutter the system with fake tracks :P
[10:54] <AndyEsser> udat: aww indeed
[10:55] <gonzo_> just send some strings to habitat after the landing
[10:55] G4YHE (56171653@gateway/web/freenode/ip.86.23.22.83) joined #highaltitude.
[10:56] <tkerby> Perhaps don't setup that payload id and log it locally only
[10:57] <AndyEsser> will see how quickly I can get a PITS and baloon
[10:58] <AndyEsser> ok... definitely recovering a PITS....
[11:01] <AndyEsser> Did not realise they were quite so pricey :)
[11:08] <craag> If you're not after the exquisitely engineered board, you can make your own reasonably easily
[11:08] <daveake> inflating now launch soon
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[11:08] <AndyEsser> daveake: good luck
[11:09] <craag> ntx2 + stripboard + 3xAA/AAA onto 5V rail
[11:09] <Geoff-G8DHE> Listening
[11:09] <AndyEsser> craag: yea, my plan had always been to make my own
[11:09] <AndyEsser> craag: remember EMFBREAD?
[11:09] <AndyEsser> :P
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[11:11] <craag> hehe
[11:11] <tkerby> daveake: Excellent. Let's see if a quarter wave antenna gets anything on a 400km path to Edinburgh!
[11:11] Action: mfa298 wonders if he can get the OS upadates and lora code on the Pi before launch
[11:12] <PE2BZ> daveake how are your nuts today ;-)
[11:12] <PE2BZ> Have a good flight !
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[11:14] <fsphil> 400km, easy :)
[11:15] <Geoff-G8DHE> NOT ;-)
[11:15] <udat> on the tracker for these, what's the purple line heading to mongolia?
[11:15] <Geoff-G8DHE> flight path
[11:15] <Geoff-G8DHE> must think its a floater
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[11:18] <tkerby> Anyone thought of transmitting LoraWAN yet? With the Things Network expanding it might give a decent amount of worldwide tracking
[11:18] <fsphil> yeah those are the predictions
[11:19] <Geoff-G8DHE> they did a flight over holland a few weeks back using LoRaWAN
[11:19] <SpacenearUS> New position from 03M10WX-11 after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=M10WX-11
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[11:20] <RocketBoy> thunderbirds are go
[11:21] <Darkside> so is there any experience here on how long a pi model A will run off 3x AAs?
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[11:22] <Darkside> just wondering what the dropout voltage is going to be..
[11:25] <gonzo_> looks very pretty on the maps
[11:25] <daveake> up
[11:26] <gonzo_> all three ?
[11:26] <gonzo_> ok, think the maps answers that
[11:26] <pb0ahx> wow
[11:27] <AndyEsser> damnit... doesn't look like Radioworld picked up my change in address :(
[11:27] <SpacenearUS> New vehicle on the map: 03PIZERO - 12https://tracker.habhub.org/#!qm=All&q=PIZERO
[11:28] <craag> Darkside: A+ works down to ~3.0V iirc, and seems reliable down to 3.3, so you get nearly all the capacity out of 3x lithium
[11:28] <craag> regs on pre(+) stuff aren't nearly as good iirc
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[11:31] <Upu> wheres the SSDV daveake ?
[11:31] <daveake> isn't any
[11:31] <daveake> I thought with 11 trackers and a data logger, that was enough kit :)
[11:32] <Upu> lol ok
[11:33] <Geoff-G8DHE> How long is the payload train ?
[11:33] <pb0ahx> daveake, next time 10 more
[11:33] <Geoff-G8DHE> Aiming for 99.142 I thought ? ;-)
[11:33] <daey> AndyEsser: you launched something?
[11:34] <gonzo_> anything more and he will still have hold of the string when the first one os landing
[11:35] <tweetBot> @daveake: Possibly my most unusual payload yet ... #ukhas https://t.co/xxrBE93Kcn
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[11:36] <tweetBot> @daveake: Up up and away #ukhas https://t.co/VTctFkoxDl
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[11:41] <Darkside> craag: ok, awesome
[11:41] <Darkside> craag: i guess il try and fly this with just the 3xAAs then
[11:41] <Darkside> and see how I go
[11:41] <Darkside> will try and do a runtime test at some point
[11:42] <Darkside> current draw is about 300mA @ 5v
[11:42] <Darkside> transmitting at 50mW continuously
[11:44] <AndyEsser> daey: nope
[11:45] <craag> I've done several flights with A+ & 3x AAA, all worked well
[11:45] <craag> turn off hdmi and other little tricks to cut power usage a bit
[11:52] <AndyEsser> daveake: The Air Noodle is away!
[11:52] <Upu> and working :)
[11:53] <fsphil> all hail his noodlyness
[11:58] <Geoff-G8DHE> starting to decode rtty before lora today ?
[11:58] <AndyEsser> gf has just said she doesn't mind if I bring my antennas to Wales to work on this weekend...
[11:58] <AndyEsser> I'm going to take that as more of a "I'll say you can, but if you do, I won't be happy"
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[11:59] <Darkside> craag: hrm, turn off HDMI eh
[11:59] <Darkside> craag: that in raspi-config?
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[12:05] <daveake> No you use tvservice -something
[12:06] <Darkside> daveake: nice
[12:07] <craag> put it in /etc/rc.local
[12:08] <Darkside> /opt/vc/bin/tvservice -o
[12:09] <SpacenearUS> New vehicle on the map: 03G8KHW_chase - 12https://tracker.habhub.org/#!qm=All&q=G8KHW_chase
[12:09] Action: dbrooke makes mental note that remote VNC to dl-fldigi for the RTTY uses all the uplink bandwidth and upsets the LoRa gateway when its habitat queue fills up
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[12:13] <udat> and got the rtty, no lora yet, usually other way about
[12:13] <Geoff-G8DHE> yes same here, rty decode fine, but lora is not as usual ?
[12:14] <AndyEsser> I haven't tracked for months :(
[12:16] <fsphil> I've not tracked since emfcamp
[12:16] <AndyEsser> I didn't even track then :(
[12:16] <AndyEsser> other than getting $$EMFBREAD sentences through
[12:16] <AndyEsser> but broke when I included the GPS code back into it
[12:19] <dbrooke> the LoRa I am decoding seems about 10kHz below nominal at the moment so might be worth tuning down a bit
[12:19] <Geoff-G8DHE> yup mines hovering around 434.40 between them all
[12:19] <dbrooke> there's also about 10kHz spread between the lowest and highest frequency
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[12:24] <gonzo_> can someone remind me the keys on the pi gateway to tune?
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[12:25] <Geoff-G8DHE> A-Z 100Khz, S-X 10Khz D-C Khz, F AFC
[12:25] <Geoff-G8DHE> Shift if on CE1
[12:25] <gonzo_> ta
[12:27] <dbrooke> it's supposed to be intuitive as long as you have an english keyboard layout
[12:28] <daveake> So some of the trackers have dropped out and OO3 is rebooting. I should mention now that some are using non-Energizer Lithiums as a test
[12:28] <Darkside> gonzo_: got a pi running now, will see how long it lasts for
[12:28] <Geoff-G8DHE> 0 & 9 seem weaker and 3 yes no GPS
[12:28] <gonzo_> I've not had good success rate with pi's
[12:29] <daveake> ta. Aerials on all are the same
[12:29] <Geoff-G8DHE> oh and 5 seems weaker not sure even heard it
[12:29] <dbrooke> same as Geoff-G8DHE's observation from me
[12:30] <Geoff-G8DHE> 123468 seem good
[12:30] <Geoff-G8DHE> strength wise
[12:31] <Darkside> gonzo_: hah, was meantr to ping craag
[12:31] <dbrooke> 7 has gone for me at the moment
[12:31] <Darkside> gonzo_: i've only flown a pi model A+ succesful once
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[12:31] <craag> :)
[12:31] <Darkside> but the second flight (where it failed), it did hit a tree rather hard
[12:32] <Darkside> so i expect the sd card probably bounced or something
[12:32] <Darkside> hopefully they release a pi A+ with the friction fit SD socket
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[12:33] <PE2BZ> !flights
[12:33] <SpacenearUS> 03PE2BZ: Current flights: 03TDMTest 10(4ddc), 03Epsom Altitude 10(8ba0), 03UBSEDS18 434.612.5 CONTESTIA 16/1000 10(64a5)
[12:33] <PE2BZ> !dial 8ba0
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03Epsom College Final 10(8ba0): none
[12:33] <PE2BZ> !dial 4ddc
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03OO0 10(4ddc): none
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03OO1 10(4ddc): none
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03OO2 10(4ddc): none
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03OO4 10(4ddc): none
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03OO5 10(4ddc): none
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03OO6 10(4ddc): none
[12:33] <daveake> OO3 has stopped rebooting hopefully will get GPS soon
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03OO8 10(4ddc): none
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03OO9 10(4ddc): none
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03OO3 10(4ddc): none
[12:33] <SpacenearUS> 03PE2BZ: Latest dials for 03OO7 10(4ddc): none
[12:33] <dbrooke> 7 is back after reboot too
[12:34] <Geoff-G8DHE> yes
[12:34] <daveake> Hopefull will improve with temperature
[12:34] <Geoff-G8DHE> 5,0,9 missing
[12:34] <daveake> I bet the bad ones are at the ends of the tubes
[12:34] <StuartL> What makes them different?
[12:35] <Geoff-G8DHE> 0 appeared
[12:35] <garymortimer> salutations all
[12:35] <Geoff-G8DHE> Pints please
[12:36] <garymortimer> All around indeed!
[12:36] <Geoff-G8DHE> :-)
[12:37] <garymortimer> Lets just check the map and see where we migth go
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[12:38] <Geoff-G8DHE> With an ascent rate of 3.2m/s http://predict.habhub.org/#!/uuid=5ca316ff8480f108e6f179d41191277a2bd5c0d4
[12:38] <garymortimer> Oh Shrivenham a bit further on, been to several meetings there. Funny old part of the world that.
[12:38] <Geoff-G8DHE> migt need the cut-down!
[12:40] <daveake> yeah however the cutdown is on OO9 ...
[12:40] <Geoff-G8DHE> Arghhhhhh
[12:40] <daveake> I'm surprised that the ascent rate hasn't increased much yet
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[12:46] <daveake> Maybe it will land on Steve's house
[12:51] <SpacenearUS> New vehicle on the map: 03BLACKOPS_chase - 12https://tracker.habhub.org/#!qm=All&q=BLACKOPS_chase
[12:52] <tkerby> !dial OO6
[12:52] <SpacenearUS> 03tkerby: Latest dials for 03OO6 10(4ddc): none
[12:52] <tkerby> What frequency are you seeing at the moment? Going to try over lunch
[12:53] <garymortimer> Just went to see if there was any SSDV on this, amazing images https://ssdv.habhub.org/images/2016-11-29--12-02-42-VK5QI-B9A3.jpeg?u=192
[12:55] <SpacenearUS> New position from 03K6RPT-11 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=K6RPT-11
[12:59] <dbrooke> tkerby: seem to be centered around 434.442 for me
[13:02] <fsphil> garymortimer: some really odd creatures down in oz
[13:02] <Darkside> gonzo_: lol
[13:02] <daveake> 4.2m/s ... need more of that
[13:02] <fsphil> I'm sure that one is venomous
[13:02] <daveake> more than that too tbh
[13:02] <Darkside> garymortimer: haha
[13:03] <Darkside> fsphil: its an echidna
[13:06] <fsphil> ah, the real version is less cuddly
[13:11] <Darkside> yeah
[13:11] <Darkside> this one is very huggable
[13:11] <Darkside> dont try that with a real one
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[13:22] <daveake> 5m/s woo fing hoo
[13:24] <StuartL> Maybe it was taking a short break to catch its breath?
[13:25] <daveake> H2 does take its time accelerating, but this one did take longer than I expected
[13:27] <daveake> Clark mast up now
[13:27] <StuartL> @daveake: Are you aiming for or hoping for any records for this flight?
[13:27] <StuartL> It's nearly 90k feet already.
[13:28] <daveake> no it's just a test
[13:28] Action: StuartL nods
[13:28] <daveake> testing trackers, software, batteries
[13:28] <StuartL> Pretty successful test so far :)
[13:28] <StuartL> I saw your comment above about the Energizer batteries, are you testing lots of different types or just a few?
[13:28] <daveake> 2
[13:30] <StuartL> Do you transmit battery telemetry data too? I don't see it on Habhub or on the protocol description but I'm sure I saw it for another flight somewhere?
[13:31] <daveake> not on these
[13:31] <daveake> probably a mistake
[13:31] <StuartL> Aha, found where I saw it. 'X0' on Habhub.
[13:31] <StuartL> (BTW, feel free to tell me to shut up if these n00b questions are annoying)
[13:34] <daveake> 5.4m/s now ... which will be inland even with a 42km burst
[13:34] <mfa298> 27km (90k ft) is fairly standard for a balloon, record is currentl 45km (147k ft)
[13:35] <mfa298> as we're generally fairly tolleranyt of noob questions, we were all new once.
[13:35] <StuartL> Thanks mfa298.
[13:35] <mfa298> also tolleraant of spellign and grammer
[13:35] <AndyEsser> *twitches*
[13:35] <StuartL> I balme teh kyebord.
[13:36] <StuartL> I've been doing amateur rocketry for just over a decade, pointed here by fellow Hackspace members as we were talking about the possibilities of using RTTY to track and recover rockets.
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[13:37] <StuartL> Our altitudes are way lower but the recovery issues are very similar.
[13:38] <AndyEsser> StuartL: where are you based?
[13:38] <StuartL> Near Newbury, Berkshire.
[13:39] <StuartL> NADHack (Newbury and District Hackspace) is my fault.
[13:39] <AndyEsser> I shall be getting UKRA membership next year, and going for hopefully Level 1 and 2 certs and RSO cert
[13:39] <AndyEsser> for a project with another friend of mine, who already does some rocket stuff
[13:39] <StuartL> Awesome. Where will you be flying?
[13:39] <AndyEsser> Ooop north
[13:39] <AndyEsser> where all the groups seem to have died :(
[13:39] <AndyEsser> North Wales
[13:39] <AndyEsser> so will be heading to EARS or something next year
[13:39] <StuartL> Midland Sky shouldn't be *that* far for you.
[13:39] <StuartL> And a good bunch of people.
[13:39] <StuartL> I'll be at BigEARS and Midland Sky next year.
[13:39] <AndyEsser> o cool
[13:40] <AndyEsser> shall have to meet face to face
[13:40] <AndyEsser> :)
[13:40] <StuartL> Look for a Harry Potter clone who hasn't grown up as handsome as Daniel Radcliffe.
[13:40] <AndyEsser> hahaha
[13:41] <Geoff-G8DHE> latest prediction http://predict.habhub.org/#!/uuid=7f169f1ea882f08b1da40d492835a155289d6098
[13:42] <StuartL> How good are the predictions normally?
[13:42] <StuartL> Presumably current wind conditions etc are taken into account?
[13:43] <Geoff-G8DHE> a few Km's if you can get the burst height right, better to wait for descent and then only parachute is the factor
[13:43] <mfa298> StuartL: generally as good as the data put into them, they use wind prediction data that's (usually) updated 4 times a day
[13:43] <StuartL> That's pretty impressive.
[13:43] <StuartL> Do you get telemetry after landing (normally)?
[13:44] <StuartL> Or do you tend to find that ground conditions obscure it?
[13:44] <Geoff-G8DHE> I think the prediction on the tracker is currently set for 27Km rather than 40K
[13:44] <AndyEsser> Not usually - unless lucky - but often close enough to figure out where it is
[13:44] <AndyEsser> then go nearby, up a hill, try and get signal from there, get GPS coordinates, and head off into a field
[13:44] <StuartL> You carry a mobile RX to locate it on recovery?
[13:44] <StuartL> Aha, yeah, exactly :)
[13:44] <AndyEsser> or, DF with a yagi or similar
[13:44] <StuartL> Exactly like rocketry.
[13:45] <AndyEsser> StuartL: the idea is the same
[13:45] <AndyEsser> the method of propulsion is different :)
[13:45] <mfa298> depends on the ground conditions for after landing. From a local hill it's often possible to hear if it's within a couple of km
[13:45] <mfa298> there have been cases of payloads being tracked after landing from mucuh greater distances, but that usually means the payload is in a tree
[13:46] <mattbrejza> whats up with half the OOs?
[13:46] <Geoff-G8DHE> Ah daveake, I guess you haven't got ground planes on those aerials being in the tubes.
[13:46] <mfa298> mattbrejza: non energizer batteries on some
[13:46] <daveake> I have
[13:46] <mattbrejza> oh
[13:47] <daveake> Also I suspect that the tube insulation isn't enough for those at the end of the tubes
[13:47] <mattbrejza> are the non-working ones consistant with those with non-energizer batteries?
[13:48] <M0NRD-Work> could it be all those transmitters are desensing the GPS receivers?
[13:49] <Geoff-G8DHE> Ah oo9 has appeared but no GPS yet
[13:49] <StuartL> Ah, the tube insulation because of the cold, hence your comment about it being the ones at the end of the tube which may have stopped?
[13:49] <daveake> OO9 is at the top so no, I suspect this is battery/temperature
[13:49] <daveake> yes that
[13:49] <daveake> forgot to plug the tubes
[13:49] <AndyEsser> Noodle-y
[13:49] <StuartL> I guess batteries are really badly affected by the cold too.
[13:50] <StuartL> That's something we don't suffer in rocketry because everything happens so quickly.
[13:50] <AndyEsser> And you have a nice heat source nearby
[13:50] <AndyEsser> :P
[13:50] <StuartL> Hopefully not *too* nearby.
[13:50] <StuartL> (see that happen many times)
[13:50] <daveake> So they're now all transmitting but some have no GPS
[13:50] <mattbrejza> whats the fastest ever ground speed we've seen from a hab?
[13:51] <daveake> Dunno but I reckon 240mph later for this one
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[13:51] <daveake> 163mph at the mo
[13:51] <mattbrejza> perhaps a job for someone who wants to write a script to query habitat...
[13:52] <daveake> well volunteered :)
[13:52] <daveake> You'd need to exclude the ones with NMEA parsing errors :/
[13:52] <mattbrejza> id prefer doing that than what im actualyl supposed to be doing
[13:52] <StuartL> I guess the massive drag from the balloon and chute mean that max speeds are all high up?
[13:52] <mattbrejza> yea, would have to have a few positions
[13:53] <mattbrejza> hmm earth.nullschool is broken :(
[13:54] <gonzo_> nothing seen here yet
[13:55] <gonzo_> Oddstr13, would have expoected ri at least see pacxket framnes in sdr
[13:55] <gonzo_> ? not sure why the nic got autocompleted
[13:57] <daveake> 200mph now
[13:58] <SpacenearUS> New position from 03BDBC7 after 0320 hours silence - 12https://tracker.habhub.org/#!qm=All&q=BDBC7
[13:59] <Geoff-G8DHE> Oh that's good similar heading to the OO's!
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[14:06] <Geoff-G8DHE> Do we know what the balloon details are for BDBC7 ?
[14:09] <daveake> Peak was 228mph
[14:11] <g8fjg> BDBC7 434.400 8N2 50/490
[14:12] <Geoff-G8DHE> There isn't a NOTAM aroud Epsom so must be Pico
[14:13] <mattbrejza> boscome down launches are supposed to all be picos
[14:13] <gonzo_> if it's a boscombe downs challenge, it will be a pico
[14:13] <Geoff-G8DHE> Not according to the rules
[14:13] <mattbrejza> the rules are badly written
[14:13] <Geoff-G8DHE> Rigs which, although based on picoballoons, could exceed a linear dimension of 2m (eg due to the length of rigging lines) will require CAA approval for specific launch site(s) and date(s). In such cases, a NOTAM must be applied for, using the appropriate CAA form; and strict compliance with any restrictions specified by the CAA will be required. Competitors are advised to allow at least 28 days f
[14:13] <Geoff-G8DHE> or the processing of a NOTAM request.
[14:13] <AndyEsser> They just discourage it as it's more work for NOTAMS
[14:14] <Geoff-G8DHE> Ah right
[14:14] <AndyEsser> was a little bit concerned that one of the student pilots on the weekend didn't know what a NOTAM was and didn't know how to check for them
[14:15] <mattbrejza> hmm, or it may have been that the balloon itself had a maximum size of 2m
[14:15] <daveake> 246mph
[14:15] <StuartL> It's really motoring.
[14:15] <StuartL> Do you have a cut-down if it looks like it'll go over water?
[14:15] <mattbrejza> what long is the cutdown set to?
[14:16] <Geoff-G8DHE> -0.5 but its based on oo9 it seems which has lost gps
[14:16] <mattbrejza> ah...
[14:16] <mattbrejza> no uplink cutdown then?
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[14:18] <Geoff-G8DHE> Wow it is moving
[14:18] <daveake> +0.5 but yeah no gps on that one
[14:18] <daveake> Steve could have waited at home for this :)
[14:18] <Geoff-G8DHE> burst ?
[14:18] <mattbrejza> 255mph (114m/s) i saw
[14:18] <daveake> nice :)
[14:18] <daveake> I missed that one I was watching the altitude
[14:19] <StuartL> It's dropping.
[14:19] <mattbrejza> OO2 is frozen on 114m/s
[14:19] <StuartL> Was that a cut-down or burst?
[14:19] <Geoff-G8DHE> Burst
[14:20] <Geoff-G8DHE> at least the signal changed a lot!
[14:20] <StuartL> Could be worse timing :)
[14:20] <fsphil> brust
[14:20] <daveake> It was all planned .....
[14:20] <daveake> cough
[14:20] <StuartL> Well done for planning the burst :)
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[14:24] <gonzo_> how iften are packets sent/per payload?
[14:24] <StuartL> About 30 seconds for PIZERO.
[14:24] <Geoff-G8DHE> 20 second cycle
[14:24] <Geoff-G8DHE> on lora
[14:25] <gonzo_> so with 10 in the air, I should be getting a packet evert 2-3sec
[14:25] <StuartL> Same on PIZERO, think it missed one when I watched.
[14:25] <gonzo_> pizero is rtty?
[14:25] <StuartL> Yeah
[14:25] <daveake> yes
[14:25] <gonzo_> freq?
[14:25] <daveake> 434.3
[14:25] <Geoff-G8DHE> 434.3
[14:26] <daveake> Anyone else struggling to upload to habitat ?
[14:26] <hyde0000_> Unexpected HTTP response 500 for URL 'http://habitat.habhub.org/habitat/_design/payload_teleme..
[14:26] <gonzo_> ta. Ok can see that, not strong thjoygh
[14:26] <AndyEsser> lol
[14:27] <Geoff-G8DHE> Oh yes
[14:27] <daveake> ping Upu fix the server plz tvm
[14:27] <Geoff-G8DHE> it has slowed dow
[14:27] <gonzo_> wonder if I have lna issues
[14:27] <daveake> OK mightg need local logging please
[14:27] <adamgreig> something is broken, uhm
[14:27] <adamgreig> getting some very unusual error messages here
[14:27] <Geoff-G8DHE> bdbc7 is up
[14:28] <Geoff-G8DHE> mine habitat link is better now
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[14:29] <daveake> yeah I see the map updating again
[14:29] <daveake> too far for me to rx atm
[14:29] <PA0RPA> Congratulations Dave ! more than 40 km !
[14:30] <PA0RPA> RTTY still good reception, sadly no information on that mode in the Pie.....
[14:32] <Upu> hm yes server is sad
[14:32] <Upu> !dial bdbc7
[14:32] <SpacenearUS> 03Upu: Latest dials for 03Epsom College Final 10(8ba0): 03434.401 MHz, 434.301 MHz
[14:32] <Upu> hope its not 300
[14:33] <Geoff-G8DHE> 50/496 but short term stability is poor waving about wicked
[14:33] <adamgreig> interesting
[14:33] <adamgreig> who's G7LBL?
[14:34] <andycamb2> I am G7LBL
[14:34] <adamgreig> are you appearing on the receivers?
[14:35] <adamgreig> I think daveake's lora gateway is taking the receiver callsign and stripping a terminating \n but on windows it's not stripping \r\n, leaving a trailing \r, which doesn't parse as valid json
[14:35] <adamgreig> but gets accepted as valid json by some upper layer
[14:35] <adamgreig> leading to a crash deep inside a thing
[14:35] <adamgreig> so I'm going to sort of blame daveake for apparently allowing \r in callsigns, but it's pretty weird
[14:36] <adamgreig> and anyway like I said this might or might not be what's causing any current weirdness
[14:36] <daveake> I thought I stripped the \r
[14:36] <adamgreig> I mean, you don't
[14:36] <adamgreig> it's there
[14:36] <daveake> Might be someone running an old gateway
[14:36] <daveake> Do you know which uploaders trigger this ?
[14:36] <adamgreig> andycamb2
[14:37] <daveake> andycamb2: What version LoRa gateway are you running ?
[14:37] <andycamb2> I have terminated the lora gateway running on a Pi.
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[14:37] <daveake> ta
[14:38] <daveake> I blame me too btw adamgreig
[14:38] <adamgreig> not seeing any further errors yet
[14:38] <adamgreig> daveake: it's definitely the server's fault for accepting it initially and then crashing later
[14:38] <Geoff-G8DHE> Oh pizero gone
[14:38] <adamgreig> but I think it's actually a confusion in what is valid json between couch and python
[14:38] <daveake> ok
[14:38] <adamgreig> still not seeing any more errors so I think you were unknowingly the culprit andycamb2
[14:38] <Geoff-G8DHE> stopped dead
[14:38] <adamgreig> what version were you running?
[14:39] <Geoff-G8DHE> Oh bdbc7 jumped low
[14:42] <andycamb2> just realised that I pulled out an old lora gateway Pi with v1.6 rather than one I normally use, sorry for any inconvenience
[14:42] <Geoff-G8DHE> oh has the tracker still got a problem ? BDBC7 not updating ??
[14:42] <adamgreig> daveake: did you start stripping \r between 1.6 and now?
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[14:43] <daveake> Yes
[14:43] <adamgreig> ok
[14:43] <adamgreig> case closed
[14:43] <adamgreig> will update habitat to not have this issue sometime today
[14:43] <adamgreig> i retract blaming you daveake :P
[14:43] <daveake> lol
[14:43] <adamgreig> andycamb2: in the meantime please update :P
[14:44] <adamgreig> (also not your fault, obviously)
[14:44] <daveake> V1.8.1 had the fix
[14:44] <adamgreig> rgr
[14:44] <Geoff-G8DHE> bdbc7 isn't updating either now and yet strings are being sent in ?
[14:45] <tkerby> Think I'll need to get the yagi out to track from Scotland :-(
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[14:49] <Geoff-G8DHE> adamgreig, is it all back working ? as bdbc7 isn't updating and strings are being sent in but can't see in log
[14:49] <daveake> Just spoke to the chase team. Steve won't get there for landing (he headed further west) but they're receiving and know where to go
[14:49] <udat> tkerby: where about?
[14:49] <adamgreig> should all be working Geoff-G8DHE
[14:50] <tkerby> udat: Edinburgh
[14:50] <Geoff-G8DHE> humm getting ack from habitat but nothing in logtail
[14:50] <adamgreig> someone is trying to add a listener to some docs and geting 403 as they're modifying the list of receivers
[14:50] <adamgreig> their IP ends in 220
[14:51] <Geoff-G8DHE> not me ;-)
[14:51] <tkerby> Didn't get anything from daveake on this launch. Could be that I'm using a quarter wave whip and was on the target frequency on that gateway (behind a firewall) or possibly that it was untested gateway code
[14:51] <StuartL> daveake: That's relatively impressive to receive from that far away.
[14:51] <StuartL> I assume they're G8KHW?
[14:53] <Geoff-G8DHE> bdbc7 GPS has locked out sending the same co-ords ...
[14:53] <PE2BZ> !flights
[14:53] <SpacenearUS> 03PE2BZ: Current flights: 03TDMTest 10(4ddc), 03Epsom Altitude 10(8ba0), 03UBSEDS18 434.612.5 CONTESTIA 16/1000 10(64a5)
[14:53] <udat> tkerby: in northern ireland here so not much closer and was getting the rtty from about 10km and lora 20km
[14:53] <PE2BZ> !dial 8ba0
[14:53] <SpacenearUS> 03PE2BZ: Latest dials for 03Epsom College Final 10(8ba0): 03434.401 MHz, 434.301 MHz
[14:53] <garymortimer> Jus back from school run, all looks like a jolly jape
[14:53] <PE2BZ> !payload 8ba0
[14:53] <SpacenearUS> 03PE2BZ: Payload 03Epsom College Final 10(8ba0) 03$$BDBC7 - 03BDBCEPSOM - 03434.4 MHz USB 03RTTY 50/496Hz ASCII-8 none 2
[14:54] <Geoff-G8DHE> the GPS on bdbc7 has locked out
[14:54] <udat> tkerby: using collinear up top of the roof
[14:55] <Upu> well isn't that interesting
[14:55] <andycamb2> adamgreig: will check all the hab Pi SD cards and remember to check the card before use in future
[14:55] <Upu> Suspecting its extremely cold up there
[14:56] <daveake> OO9 back on
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[14:56] <tkerby> udat: I suspect it's gain related. Must get the X50 up soon!
[14:56] <StuartL> The transmitters which have died (e.g. PIZERO), will that be the cold, battery, hardware failure, etc?
[14:57] <Geoff-G8DHE> I saw it stop dead on the w/f transmission just stopped no drift or anything
[14:57] <Upu> possibly batteries
[14:57] <Upu> it seems to be extremely cold up there
[14:57] <Upu> was below -40'C in insulation so go figure what it was outside
[14:58] <g8fjg> got 009 down to 423 mtrs
[14:58] <daveake> nice
[15:08] <Geoff-G8DHE> bdbc7 drifting badly as well!
[15:10] <PE2BZ> as well ? As hell.... No way within the AFC of my ICom and fldigi....
[15:11] <M0NRD-Work> Thanks for the flight Dave, nice to test out the LoRa setup, a work in progress I think
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[15:12] <Geoff-G8DHE> the last number i sends is -52 I guess the external temp!
[15:12] <daveake> cold up there
[15:12] <daveake> We had -41 on a pits
[15:12] <Geoff-G8DHE> $$BDBC7,00233,151229,+5118.8571,-00016.4136,,1672,-052*0D
[15:12] <daveake> Despite the power
[15:13] <Geoff-G8DHE> I suspect thats the limit of the temp chip as well!
[15:14] <Geoff-G8DHE> if you need any of the logs from lora or pizero I have them daveake
[15:14] <daveake> Yes please Geoff-G8DHE
[15:15] <daveake> Lots of useful info from this one
[15:15] <daveake> Also we have an 18Hz GPS/temp/humid/press/accel data logger on board which, if it stayed working, will be interesting
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[15:16] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2016_Flights/TDMTest_20161129/textout.txt
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[15:16] <daveake> cheers
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[15:16] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2016_Flights/TDMTest_20161129/telemetry.txt
[15:16] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2016_Flights/TDMTest_20161129/packets.txt
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[15:17] <daveake> BDBC7 is giving Incorrect number of fields (got 7, expect 6)
[15:17] <madmax> Newbie question, the payloads that stopped responding, then awoke again. is that gps or battery issues?
[15:18] <madmax> just wondering what causes the most issues, temperature/pressure etc?
[15:18] <daveake> temperature
[15:19] <madmax> ok, thinking of chucking some batteries in a vacuum chamber :)
[15:19] <daveake> either losing gps (ublox stops at -50) or battery power
[15:19] <daveake> vacuum not an issue
[15:21] <AndyEsser> Bangor Uni have a thermal test chamber, that apparently has quite an impressive rate of change value - have said they're happy for me to test my trackers in there :)
[15:21] <SpeedEvil> My freezer will hit under -45C, which is nice.
[15:21] <SpeedEvil> (at 10C ambient)
[15:22] <StuartL> That's impressive.
[15:22] <AndyEsser> and been passed a message from someone who owns a property (not sure which) on the top of Snowdon, who is happy for Antennas to be mounted up there...
[15:22] <AndyEsser> the 1000m elevation should help track from HABs :)
[15:22] <Geoff-G8DHE> Is there power ?
[15:22] <AndyEsser> Geoff-G8DHE: well the cafe up there has power
[15:23] <AndyEsser> so I presume so
[15:23] <SpeedEvil> AndyEsser: neat!
[15:23] <AndyEsser> otherwise will need to investigate solar :)
[15:23] <SpeedEvil> Or wind.
[15:23] <StuartL> What's the power consumption like?
[15:23] <craag> hmm, is there an internet connection good enough for a websdr?
[15:23] <AndyEsser> and hopefully at least one phone company has put an antenna up there
[15:23] <StuartL> Wind is probably more reliable on Snowdon :)
[15:23] <AndyEsser> otherwise it'll have to be a relay from Snowdon to my house
[15:23] <AndyEsser> which wouldn't be ideal
[15:23] <Geoff-G8DHE> Need one of fsphil solar powered units ;-)
[15:23] <daveake> woo Steve has the landing position, in the middle of a field :)
[15:24] <daveake> as planned ...
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[15:26] <fsphil> very cunning
[15:26] <fsphil> like a fox
[15:27] <Geoff-G8DHE> Its in the car!
[15:27] <StuartL> You even planned for it to land near the gate of the field?!
[15:27] <daveake> Yup
[15:27] <daveake> Looks like he has it :)
[15:27] <Geoff-G8DHE> so long as it wasn't road kill ;-)
[15:27] <StuartL> Yes. Transmitters and chase car are colocated.
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[15:28] <daveake> I should launch-and-lunch more often :)
[15:28] <Geoff-G8DHE> :)
[15:28] <StuartL> Car is on the move.
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[15:29] <RocketBoy> all recovered
[15:29] <daveake> Cheers :)
[15:29] <Upu> awesome thanks Steve
[15:29] <daveake> Have you embraced the pink ?
[15:29] <StuartL> Interestingly the last ping from OO9 was 180m ASL and the car is 120m ASL, so the last ping to the network was only 60m AGL.
[15:30] <RocketBoy> yeah - loads of pink
[15:30] <daveake> Yes great stuff Steve owe you one
[15:30] <Geoff-G8DHE> Anybody able to get a bearing on bdbc7, its due North from Worthing.
[15:31] <RocketBoy> just 005 reporting 0.0,0.0
[15:31] <RocketBoy> all the rest working
[15:31] <daveake> ta
[15:32] <daveake> 005 was the first to stop
[15:32] <Upu> if they are working I'm calling temp
[15:32] <daveake> The talon got broken on the way out to launch, hence the tape on it
[15:32] <Geoff-G8DHE> saving its battery
[15:33] <gonzo_> I can still see the sigs on 434.400. Drifting like hell
[15:35] <pjm> i didnt get any packets on LoRa here
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[15:40] <Geoff-G8DHE> BDBC7 must be quite close to me know its swung around to 30degrees in the last minute or so
[15:42] <g8fjg> bdbc7 210az 25el ish from g8fjg
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[15:44] <Geoff-G8DHE> rgr lets plot that
[15:44] <Geoff-G8DHE> Yes Crawley way I suspect
[15:45] <Geoff-G8DHE> possibly starting to go East now
[15:45] <Geoff-G8DHE> if its follwing the prediction!
[15:45] <g8fjg> that looks about right
[15:45] <Geoff-G8DHE> http://predict.habhub.org/#!/uuid=cd56f4efbb020ba4f40faf841de2b75757e5cf60
[15:47] <tweetBot> @daveake: Steve has obviously left the trackers on for his journey home :-) #ukhas https://t.co/HD4aAmfRh4
[15:48] <dbrooke> daveake: I logged 4118 packets but only 1426 seem to have uploaded despite me disconnecting the session which was initially using most of my uplink
[15:48] <garymortimer> Or they are following him
[15:48] <dbrooke> put it here in case it helps fill any gaps http://stuff.dbrooke.me.uk/oo_log.txt
[15:48] <daveake> ta
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[15:52] <daveake> Steve is drawing on the map like a kid with a set of colouring pens :)
[15:53] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2016_Flights/TDMTest_20161129/TDMTest_201611291548_going_home.jpg his vehicle should look good with all those coloured balloons behind ;-)
[15:54] <madmax> ...just married...
[15:54] <richardeoin> daveake: https://tracker.habhub.org/#!mt=roadmap&mz=17&qm=1_day&f=OO4&nyan=1 improves things
[15:55] <richardeoin> impressive flight despite the conditions
[15:55] <daveake> wtf lol
[15:55] <daveake> yeah and nice to see the tdm keeping time despite the lack of gps
[15:55] <Geoff-G8DHE> lol:0
[15:55] <udat> ha
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[15:57] <g8fjg> bdbc7 200az 15el ish from g8fjg afk ...cooking dinner
[15:57] <richardeoin> mmm very good idea to support tdm'ing from the other trackers
[15:57] <Geoff-G8DHE> yup moving around its 50Az from me now
[15:58] <richardeoin> I don't think it's the absolute temperature that kills the GPSs
[15:58] <richardeoin> just at low temperatures the gradient of the error/degC curve gets much steeper
[15:59] <richardeoin> so small temperature changes at low temperatures have a severe effect
[16:00] <richardeoin> the tcxos are unspecified at that temperature, so the gradient of that curve could vary quite a bit between devices
[16:01] <daveake> ta, interesting
[16:04] <lz1dev> oh wow
[16:04] <lz1dev> best use of my nyan feature
[16:05] <lz1dev> 004 is leading the pack
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[16:08] <lz1dev> .track G8KHW_chase;00*
[16:08] <SpacenearUS> 03lz1dev: Here you go - 12https://tracker.habhub.org/#!qm=All&q=G8KHW_chase;00*
[16:08] <AndyEsser> great.... my 2.5m antenna has been delivered to the "UPS ParcelPoint" for collection
[16:08] <AndyEsser> really hope it'll fit in the car...
[16:08] <daveake> .track G8KHW_chase;OO*
[16:08] <SpacenearUS> 03daveake: Here you go - 12https://tracker.habhub.org/#!qm=All&q=G8KHW_chase;OO*
[16:09] <lz1dev> its O
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[16:09] <daveake> Operation Outward
[16:09] <lz1dev> .nyan G8KHW_chase;OO*
[16:09] <SpacenearUS> 03lz1dev: Here you go - 12https://tracker.habhub.org/#!qm=All&q=G8KHW_chase;OO*&nyan=1
[16:09] <lz1dev> best
[16:09] <StuartL> AndyEsser: Most cars will take 2.4m/8' from the inside of the boot to the bottom of the front window because it's the common trading length of wood, piping etc.
[16:09] <AndyEsser> good lord lz1dev
[16:10] <lz1dev> in second tab: https://www.youtube.com/watch?v=QH2-TGUlwu4
[16:10] <AndyEsser> StuartL: yea, I'm not too concerned tbh
[16:10] <AndyEsser> have a good size vehicle
[16:10] <StuartL> Unless you have a hatchback or motorcycle you should be good :)
[16:11] <AndyEsser> nah, SUV
[16:11] <AndyEsser> :)
[16:12] <lz1dev> is cutting corners allowed?
[16:12] <lz1dev> https://static.rgp.io/2016-11-29_bzwgtqq4te.png
[16:12] <AndyEsser> lol
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[16:19] <daveake> Well it is a 4x4
[16:20] <daveake> Nyan cats go to the seaside
[16:20] <Laurenceb> v nice
[16:20] <Laurenceb> how is the rainbow drawn?
[16:20] <Laurenceb> I see only red traces where the tracks deviate?
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[16:21] <Laurenceb> oh maybe not
[16:22] <StuartL> Might want to turn the tracker off if he doesn't want to give away his home/work address :)
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[16:24] <lz1dev> Laurenceb: zoom in :)
[16:24] <Geoff-G8DHE-Lap> I think X0 might be the giveaway!
[16:24] <lz1dev> find the house and send patatos to that address
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[16:27] <StuartL> ROTFL
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[16:47] <SpacenearUS> New position from 03HIRFW-6 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=HIRFW-6
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[17:05] <g8fjg> lost bdbc7 single carrier @1701 bearing 190
[17:06] <Geoff-G8DHE-Lap> Yup me too, bearing was at 80 Az for me
[17:07] <Geoff-G8DHE-Lap> North of Brighton, it was very strong with me ;-)
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[17:09] <mattbrejza> at least its a dry landing
[17:11] <Geoff-G8DHE-Lap> Stands a good chance of being spotted and reported with a bit of luck.
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[18:07] Nick change: SpeedEvil -> Guest64151
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[18:25] <daveake> +
[18:25] <daveake> p;
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[18:32] <daveake> erm sry for noise must have been a cat :/
[18:32] <daveake> whichever one it was then managed to put the laptop into sleep mode
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[19:06] <tweetBot> @LeadHyperion: New toys for #ukhas stuff and beyond https://t.co/6lafuSQd0g
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[19:32] <AndyEsser> Didn't really twig how large a 2.5m yagi would be...
[19:35] <daveake> if only they'd say how large it is ...
[19:35] <AndyEsser> yes yes
[19:36] <AndyEsser> I am not a smart man
[19:36] <AndyEsser> it is pretty though :)
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[19:37] <AndyEsser> now to find a way to mount it.... :)
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[20:04] <SA6BSS-Mike> I know the feeling, had no idéa the yagi was that tall untill I mounted it together, like 4 meters !! https://dl.dropboxusercontent.com/u/26543754/IMG_2066_rsz.jpg
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[20:20] <Vaizki> no pain no gain
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[20:31] <SpacenearUS> New vehicle on the map: 03SQ7FJB-2 - 12https://tracker.habhub.org/#!qm=All&q=SQ7FJB-2
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[21:04] <tweetBot1> @daveake: This is how easy I make it for others to recover my payloads :P #ukhas https://t.co/mv0rSYzej0
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[21:18] <stilldavid> that's some intense music
[21:20] <daveake> Didn't notice ... for some reason sound not playing on my laptop
[21:24] <Geoff-G8DHE-m> Nor here either.
[21:30] <Geoff-G8DHE-m> Ah yes it played in the App
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[21:56] Nick change: BitEvil -> SpeedEvil
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[23:22] <SpacenearUS> New position from 03M10WX-11 after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=M10WX-11
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[00:00] --- Wed Nov 30 2016