highaltitude.log.20160610

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[00:26] <SpacenearUS> New vehicle on the map: 03USER_chase - 12http://tracker.habhub.org/#!qm=All&q=USER_chase
[00:27] <SpacenearUS> New vehicle on the map: 03CALLSIGN123_chase - 12http://tracker.habhub.org/#!qm=All&q=CALLSIGN123_chase
[00:28] <SpacenearUS> New vehicle on the map: 03societyofrobots_chase - 12http://tracker.habhub.org/#!qm=All&q=societyofrobots_chase
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[01:55] <SpacenearUS> New position from 03IK8SUT-11 after 035 days silence - 12http://tracker.habhub.org/#!qm=All&q=IK8SUT-11
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[04:03] <SpacenearUS> New position from 03W7QO-7 after 033 days silence - 12http://tracker.habhub.org/#!qm=All&q=W7QO-7
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[04:32] <SpacenearUS> New vehicle on the map: 03ITKSpace_chase - 12http://tracker.habhub.org/#!qm=All&q=ITKSpace_chase
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[05:36] <PE2BZ> !flights
[05:36] <SpacenearUS> 03PE2BZ: Current flights: 03BerkoHAB2 10(b165), 03PICO-25 144.251 MHz CTSTIA32/1000 10(0b32), 03UBSEDS15 434.600 CONTESTIA 16/1000 10(d812)
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[06:11] <SpacenearUS> New vehicle on the map: 03Chase2_chase - 12http://tracker.habhub.org/#!qm=All&q=Chase2_chase
[06:11] <SpacenearUS> New position from 03W7QO-9 after 0319 hours silence - 12http://tracker.habhub.org/#!qm=All&q=W7QO-9
[06:58] <SpacenearUS> New position from 03TestiN after 037 hours silence - 12http://tracker.habhub.org/#!qm=All&q=TestiN
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[07:52] <adamgreig> anyone used a Genie cylinder of He and know if they fit the normal BOC regulator?
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[08:08] <SpacenearUS> New vehicle on the map: 03BERKOHAB - 12http://tracker.habhub.org/#!qm=All&q=BERKOHAB
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[10:03] <BerkoHAB> Morning All! Just checking the Sense Hat. Launching in approx 1 hour
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[10:15] <gonzo___> thanks for the info
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[10:25] <Geoff-G8DHE-M> Better go and switch on then ;-)
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[11:08] <Geoff-G8DHE> Ah BERKHHAB appears
[11:09] <BerkoHAB> we are having some delays, the raspberry Pi sense hat is having some issues
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[11:13] <fsphil> it's making no sense?
[11:15] <gonzo___> are they lining up on the runway?
[11:17] <Geoff-G8DHE> Time for an early lunch than have some Rasberry Pie in the fridge to eat ;-)
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[11:41] <BerkoHAB> We are busy filling our ballon now!
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[12:02] <JonnyAlpha> Whats the weather looking like in Westacott?
[12:04] <edmoore> hot
[12:04] <edmoore> low winds
[12:04] <edmoore> 22c
[12:05] <edmoore> cloud cover/haze
[12:05] <edmoore> but bright
[12:05] <edmoore> a bigger cloud on the horizon coming in
[12:05] <JonnyAlpha> So looking OK for a flight then?
[12:05] <russss> this has been the weather, brought to you by edmoore.
[12:05] <edmoore> the weather here is perfect for a launch yes
[12:07] <JonnyAlpha> Just clamped my Log Periodic Antenna onto an Step Ladder mounted on the roof of my garage. 45 Degree Elevation point East North East from North Devon?
[12:07] <edmoore> sounds good to me
[12:07] <edmoore> lets see what happens
[12:10] <JonnyAlpha> By the looks of the prediction its going to do a loop of the Midland :-)
[12:11] <edmoore> that might not be accurate
[12:11] <edmoore> until it gets an ascent rate
[12:12] <JonnyAlpha> T Minus ?
[12:12] <edmoore> no idea, nowt to do with me
[12:12] <JonnyAlpha> Understood
[12:12] <JonnyAlpha> On bith counts
[12:12] <edmoore> i just know the local weather conditions
[12:12] <edmoore> being also coincidently in westcott
[12:13] <mfa298> 11:41 < BerkoHAB> We are busy filling our ballon now!
[12:13] <mfa298> time in UTC
[12:13] <mfa298> so about 40 minutes ago
[12:14] <JonnyAlpha> OK
[12:15] <SpacenearUS> New position from 03SQ5FNQ-11 after 032 days silence - 12http://tracker.habhub.org/#!qm=All&q=SQ5FNQ-11
[12:15] <DL7AD1> craag: i cant find the paypal link....
[12:15] Nick change: DL7AD1 -> DL7AD
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[12:20] <BerkoHAB> About to launch
[12:20] <BerkoHAB> sorry for the delays guys, weve had a few problems with the payload.
[12:21] <BerkoHAB> All good, readyto go.
[12:22] <BerkoHAB> LAUNCHED
[12:25] <edmoore> can see it
[12:25] <BerkoHAB> great
[12:27] <SpeedEvil> :
[12:27] <edmoore> beautiful ascent
[12:27] <edmoore> nice day for it
[12:27] <edmoore> http://i.imgur.com/3RTXSlm.jpg
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[12:33] <Upu> whenyou said you can see it
[12:33] <Upu> you meant actually
[12:34] <edmoore> yes
[12:34] <edmoore> i can actually see it
[12:34] <edmoore> that's with a zoomey lens
[12:35] <edmoore> uploading one from my non-zoomy lens
[12:35] <edmoore> for scale
[12:36] <Geoff-G8DHE> pinched ;-) http://360.g8dhe.net/HAB_Flights/2016_Flights/BERKOHAB_20160610/
[12:36] <SpacenearUS> New vehicle on the map: 03berkohab_chase - 12http://tracker.habhub.org/#!qm=All&q=berkohab_chase
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[12:37] <edmoore> http://i.imgur.com/zVlrnt2.jpg
[12:37] <edmoore> imgur has added lots of jpg
[12:37] <Upu> excellent zoom
[12:37] <edmoore> that's a 35mm lens on my xpro2
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[12:39] <BerkoHAB> it went pretty much staright up
[12:40] <BerkoHAB> straight
[12:40] <edmoore> i think imgur has a 10MB limit
[12:40] <edmoore> jpegs of sky just fit
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[12:40] <edmoore> jpgs of someone taking a picture of someone else's balloon don't
[12:41] <craag> DL7AD: ?
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[12:42] <edmoore> that was for the zoomier one http://i.imgur.com/3eunLsc.jpg
[12:42] <SpacenearUS> New position from 03SQ5FNQ-12 after 0315 hours silence - 12http://tracker.habhub.org/#!qm=All&q=SQ5FNQ-12
[12:45] <Upu> somethings interfering with the GPS
[12:45] <edmoore> yeah it looks a bit quigglededoo
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[12:48] <SpacenearUS> New vehicle on the map: 03SQ5FNQ_chase - 12http://tracker.habhub.org/#!qm=All&q=SQ5FNQ_chase
[12:50] <camchris> On tracker.habhub.org - what do the large green and blue rings around a balloon represent?
[12:50] <fsphil> the blue circle is the balloon's horizon
[12:50] <camchris> I didnt notice anything when the green one went over my house !
[12:51] <fsphil> the green one is where the balloon is 5 degrees above the horizon
[12:51] <edmoore> which is a more practical circle for 'should be able to hear it'
[12:51] <fsphil> indeed. you can hear it if you're inside the blue circle and have a clear horizon in that direction
[12:52] <camchris> Thanks.
[12:52] <fsphil> in theory you could even see it visually, if you had good enough optics and a way to aim it
[12:54] <camchris> The Manchester and Belgium station started receiving as the blue line crossed them.
[12:54] <DL7AD> craag: the paypal link for the conference
[12:55] <BerkoHAB> we swapped the sense hat for an IR camera
[12:55] <craag> DL7AD: Sorry not sure you've got the right person here.
[12:55] <craag> UKHAS conference? Didn't know there was a page yet?
[12:55] <DL7AD> https://ukhas.org.uk/general:ukhasconference2016
[12:56] <DL7AD> yes. and it tells i have to ask you :P
[12:56] <DL7AD> rofkl
[12:56] <DL7AD> ah. probably just for the exam
[12:56] <Upu> DL7AD wait till its actually launched :)
[12:57] <craag> yep just for the exam :P
[12:57] <Upu> Page is just a place holder atm
[12:57] <Upu> you are super keen :)
[12:58] <DL7AD> Upu: its a bad date for me :/
[12:58] <DL7AD> im not sure if i can come
[12:59] <DL7AD> because its between the two week of my exams
[13:00] <DL7AD> and it could be, that an exam is placed on this saturday
[13:00] <DL7AD> :(
[13:00] <Upu> Not sure if that date is fixed yet
[13:01] <DL7AD> yeah. lets see....
[13:01] <edmoore> i can't do that date either
[13:01] <edmoore> but nvm
[13:02] <camchris> berkohab seems to have lost gps - location is all zeros.
[13:02] <camchris> with good checksum
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[13:03] <Geoff-G8DHE> wonder if the sense hat is radiating interference ?
[13:03] <camchris> an odd one then
[13:04] <camchris> and zeros again
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[13:06] <BerkoHAB> we took the sense hat off completely, so there wouldnt be any interference from that.
[13:07] <Geoff-G8DHE> make sense!
[13:07] <Geoff-G8DHE> had you run the camera before with GPS running ?
[13:07] <camchris_> Its only showing 5 gps satellites at the moment.
[13:07] <camchris_> the odd message amongst all the zeros had 4
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[13:08] <camchris> The signal is suddenly much quieter
[13:09] <camchris> Im getting data - but failing checksum
[13:09] <Geoff-G8DHE> its spinning
[13:09] <Geoff-G8DHE> about 5 -6 second per rotation
[13:11] <camchris> what type of antenna? How directional is it?
[13:12] <Geoff-G8DHE> usual is 1/4wave ground plane but they often get screened
[13:13] <Geoff-G8DHE> http://www.europeanastrotech.com/high-altitude-balloon-launch-blog/
[13:15] <Geoff-G8DHE> and https://www.facebook.com/highaltitudeballooning
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[13:18] <Upu> GPS is struggling should have way more sats than that
[13:18] <camchris> I didnt see an antenna on a quick scan of the first link. I was thinking of a verital dipole - half above and half below the payload box.
[13:19] <edmoore> the 1/4 wave with groundplane that Geoff-G8DHE described is probably what is flown on 95% of the flights
[13:19] <edmoore> works fine
[13:19] <craag> !wiki payload+antenna
[13:19] <SpacenearUS> 03craag: Wiki page 03payload_antenna (guides) - 12http://ukhas.org.uk/guides:payload_antenna
[13:19] <SpacenearUS> 03craag: Wiki page 03projects:picoatlas:picoatlasi - 12http://ukhas.org.uk/projects:picoatlas:picoatlasi?s[]=payload&amp;s[]=antenna
[13:19] <Geoff-G8DHE> Not normal radiation pattern is a doughnut too horizontal
[13:19] <camchris> Yep and the number of satellites is varying a lot too - from 3 to 7
[13:20] <Geoff-G8DHE> if they strapped a camera on during launch in place of the hat my guess would be interference from that but ....
[13:20] <Upu> that I believe is due to interference in the payload box
[13:20] <Upu> probably a camera
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[13:23] <mattbrejza> picam is bad enough itself
[13:26] <Geoff-G8DHE> [13:55] <BerkoHAB> we swapped the sense hat for an IR camera
[13:27] <Geoff-G8DHE> Quite a large physical payload looking at edmoores photo
[13:29] <Upu> Status 20 = no GPS lock
[13:34] <camchris> How high is berkohab expected to go?
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[13:35] <Geoff-G8DHE> 25-35Kms
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[13:48] <SpacenearUS> New vehicle on the map: 03KE5LWQ-13 - 12http://tracker.habhub.org/#!qm=All&q=KE5LWQ-13
[13:48] <SpacenearUS> New vehicle on the map: 03KE5QVG-12 - 12http://tracker.habhub.org/#!qm=All&q=KE5QVG-12
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[13:52] <PD3JAG> Some info about BerkoHab freq or more????
[13:53] <Geoff-G8DHE> !dial berkohab
[13:53] <SpacenearUS> 03Geoff-G8DHE: Latest dials for 03Berkohab 10(b165): 03434.5021 MHz, 434.502004 MHz, 434.50298 MHz, 434.50211 MHz, 0.006 MHz
[13:54] <Geoff-G8DHE> http://www.europeanastrotech.com/high-altitude-balloon-launch-blog/
[13:54] <PD3JAG> oke receive it now here tnx all
[13:57] <PD3JAG> bud verry bad signal
[13:59] <Geoff-G8DHE> there have been reports of lifts in the last few days I wonder if there is a refration layer ?
[13:59] <Geoff-G8DHE> refraction*
[13:59] <Geoff-G8DHE> Burst! 29Kms
[14:00] <FuzzyLemon> oh no i hate milton keynes
[14:01] <Geoff-G8DHE> Lots of water and railway lines to make life fun ....
[14:01] <camchris> its lost gps again
[14:01] <FuzzyLemon> that's much lower burst than expected
[14:02] <Geoff-G8DHE> it looked like quite a big payload, no idea what weight or balloon was used ?
[14:03] <Upu> something jamming the GPS Sammy
[14:03] <Upu> camera proximity or something but its struggling
[14:04] <Geoff-G8DHE> heading for Bletchley park at the moment!
[14:04] <Geoff-G8DHE> Oh the memories ....
[14:05] <FuzzyLemon> 800g balloon
[14:05] <FuzzyLemon> 1kg payload
[14:05] <Geoff-G8DHE> Ah right#
[14:05] <mattbrejza> is there a lassen on it?
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[14:06] <FuzzyLemon> whats a lassen
[14:06] <mattbrejza> old gps that used to give traces like that when it got unhappy
[14:06] <Upu> lol
[14:06] <Upu> not its a Habduino with an active patch
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[14:09] <Upu> code has reset the GPS and stuck it in max performance mode
[14:09] <edmoore> it's all gone quiet?
[14:10] <Upu> all 0's Ed
[14:10] <Upu> GPS jammed out / not plugged in
[14:11] <edmoore> super
[14:12] <camchris> gps is getting very poor fixes - altitude has gone up!
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[14:18] <FuzzyLemon> In bletchley now and not picking up any signal
[14:20] <FuzzyLemon> how on earth can we find it?
[14:20] <craag> Go for the predicted landing spot
[14:20] <edmoore> north of bletchly
[14:21] <edmoore> i doubt it has come down yet so keep your eyes peeled
[14:21] <edmoore> overhead heading north
[14:21] <edmoore> have the radio audibly on the entire time as you're driving
[14:21] <edmoore> be aware that your brain will definitely trick you into thinking you can hear faint rtty in white noise
[14:22] <mfa298> I can still hear it here, although it went quite for a while
[14:22] <mfa298> I wonder if that means burst or whether it was just in a bad location
[14:23] <Geoff-G8DHE-M> Its still very strong down here on the coast so its still abobe 4-5Kms
[14:24] <Upu> still quite strong from up north so it must be > 5km atm
[14:26] <FuzzyLemon> got a signal but no GPS
[14:26] <PD3JAG> great signal green strings but not in the list ?????
[14:27] <Upu> yeah we've been discussing this seems something is jamming the GPS
[14:27] <Upu> aim for the predicted it is still getting time so it may get lock back
[14:27] <Upu> if not get your yagi out
[14:28] <Upu> and direction find it
[14:28] <Upu> and if that ICOM of yours has an attenuate button that may help
[14:28] <edmoore> if you have a signal you can find it with the yagi
[14:28] <edmoore> just taking bearings from signal strength
[14:28] <edmoore> that'll save you
[14:28] <PD3JAG> strange never problems with it ,,
[14:30] <edmoore> and remember to keep your eyes peeled for visual
[14:30] <PD3JAG> gren strings and not in the list first time i have this and a nother station here to also sme problem
[14:30] <Upu> Still over 5km
[14:30] <edmoore> you have a problem with your spacebar PD3JAG
[14:30] <mattbrejza> has anyone actualyl found a hab based on purely a yagi and carrier before?
[14:31] <Geoff-G8DHE-M> Its not plotting anything PD3JAG, as the GPS is invalid.
[14:31] <edmoore> mattbrejza: yes
[14:31] <edmoore> plenty of times
[14:31] <Upu> 7.5m/s @ 25km
[14:31] <Upu> thats a slow one
[14:31] <edmoore> in the days of the coxon kilometer
[14:31] <Upu> if it comes back at 12km then the code needs looking at
[14:31] <Geoff-G8DHE-M> don't rely on that data it was loosing accuracy at burst
[14:31] <mattbrejza> ah not so much recently
[14:31] <Upu> but the status code is indicating its in flight mode
[14:31] <edmoore> no because flight computers tend to be reliable
[14:31] <g8fjg> when pd3jag loses signal , you will at least know its coming down
[14:32] <edmoore> but it was certainly a necessary skill sort of pre 2009
[14:32] <mattbrejza> not sure landing on MK is good terrain for it though
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[14:32] <edmoore> at least it's flat
[14:32] <Geoff-G8DHE-M> its back
[14:32] <g8fjg> I dont think it burst at that 29 k mark
[14:32] <g8fjg> now perhaps
[14:32] <Geoff-G8DHE-M> maybe still climbing!
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[14:33] <Geoff-G8DHE-M> 33885m
[14:33] <Upu> wow thats wierd
[14:33] <mattbrejza> burst for the second time now
[14:33] <g8fjg> now coming down
[14:33] <PD3JAG> tnx now i see mijself to tnx info about spacebar
[14:33] <Geoff-G8DHE-M> No the GPS was suffering and made it lookm like it descended
[14:33] <Upu> wonder if the burst shook something
[14:33] <mattbrejza> does it sound burst?
[14:33] <Geoff-G8DHE-M> descending now
[14:34] <camchris> gps vertical tends to be lower precision
[14:34] <camchris> its only got 4 satellites
[14:34] <g8fjg> increase of doppler just at burst
[14:34] <Upu> predicted landing is just north west of Moscow Sammy off you go
[14:34] <camchris> (not precision - acurracy)
[14:34] <edmoore> landing by leo
[14:35] <Upu> yeah just pinged him to see if he as a radio at work
[14:38] <PD3JAG> TNX for info spacebar , but have to go so i left shack and i hope it be receive good when i'm away se it later when i be back. 73 good luck to all chasers.
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[14:41] <FuzzyLemon> driving back to buckingham now
[14:42] <FuzzyLemon> did GPS fail at burst?
[14:42] <FuzzyLemon> violent burst or something?
[14:43] <Geoff-G8DHE> I think it failed before burst, recovered and then maybe showed the burst from my log at least!
[14:44] <Geoff-G8DHE> $$$$$BERKOHAB,698,14:31:19,0.000000,0.000000,0,0,17,2776,33*44A0
[14:44] <Geoff-G8DHE> $$$$$BERKOHAB,99,14:31:34,0.000000,0.000000,0,0,17,2775,33*16C3
[14:44] <Geoff-G8DHE> $$$$$BERKOHAB,700,14:31:44,51.957432,-0.999742,33914,4,17,2775,33*E115
[14:44] <Geoff-G8DHE> $$$$$BERKOHAB,701,14:31:59,51.957019,-1.001004,33949,4,17,2777,33*0B12
[14:44] <Geoff-G8DHE> $$$$$BERKOHAB,702,14:32:14,51.956485,-1.002274,34032,4,17,2779,33*E0F0
[14:44] <Geoff-G8DHE> $$$$$BERKOHAB,703,14:32:29,51.955912,-1.003454,34067,4,17,2777,33*9612 <Burst ? for real ??
[14:44] <Geoff-G8DHE> $$$$$BERKOHAB,704,14:32:44,51.955673,-1.004672,33885,4,17,2777,33*ACF5
[14:44] <Geoff-G8DHE> $$$$$BERKOHAB,705,14:32:54,51.955536,-1.006251,33422,4,17,2776,33*0208
[14:44] <Geoff-G8DHE> $$$$$BERKOHAB,706,14:33:09,51.955626,-1.007758,33039,4,17,2775,33*34FC
[14:44] <Geoff-G8DHE> oops sry
[14:44] <g8fjg> came back at line 700 burst at line 703
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[14:50] <FuzzyLemon> that's amazing that it came back just for the burst
[14:50] <Geoff-G8DHE> only reporting 4 sats so accuracy ???
[14:51] Nick change: gonzo___ -> gonzo_
[14:52] <Upu> I suspect something has moved FuzzyLemon
[14:52] <Upu> when you get it back can you see where the GPS antenna is in relation to other stuff
[14:53] <Upu> can you take some pics of how its laid out and check the SMA connector as well pls
[14:59] <FuzzyLemon> we attached it to the top of the payload boc about 16cm from other electronics
[15:00] <Upu> something is amiss
[15:00] <FuzzyLemon> i imagine the gopro has moved though. it was only attached with duct tape
[15:01] <Upu> :)
[15:01] <Upu> boring landing place for you
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[15:03] <FuzzyLemon> better than milton keynes
[15:03] <Upu> anything is
[15:06] <SpacenearUS> New vehicle on the map: 03CHANGEME - 12http://tracker.habhub.org/#!qm=All&q=CHANGEME
[15:07] <daveake> oops sry
[15:07] <Geoff-G8DHE> These newbies never change the callsign before powering up do they ;-)
[15:09] <edmoore> that's a perfect landing spot
[15:10] <Geoff-G8DHE> what the reservoir ?
[15:10] <Geoff-G8DHE> nice and flat
[15:10] <daveake> != airbase, which is good
[15:13] <SpacenearUS> New vehicle on the map: 03VA6TNY-11 - 12http://tracker.habhub.org/#!qm=All&q=VA6TNY-11
[15:14] <Geoff-G8DHE> ground level is about 120m
[15:15] <SpacenearUS> New vehicle on the map: 03VA6TNY-12 - 12http://tracker.habhub.org/#!qm=All&q=VA6TNY-12
[15:16] <FuzzyLemon> just saw the descent!!
[15:17] <Geoff-G8DHE> https://www.google.com/maps/place/52%C2%B001'22.1%22N+0%C2%B059'02.1%22W/@52.0236384,-0.9849553,3a,90y,97.3h,82.27t/data=!3m6!1e1!3m4!1sl65mm6z9mA5qkvJqqTPp0w!2e0!7i13312!8i6656!4m5!3m4!1s0x0:0x0!8m2!3d52.02281!4d-0.98391
[15:18] <mattbrejza> trees' magnetic field strikes again
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[15:20] <FuzzyLemon> bright pink parachute looked good
[15:20] <FuzzyLemon> its in a field of alpaca
[15:20] <Geoff-G8DHE> They will enjoy a much then!
[15:20] <Geoff-G8DHE> munch*
[15:20] <FuzzyLemon> they're not dangerous are they?
[15:20] <FuzzyLemon> not like camels?
[15:21] <Geoff-G8DHE> more like corcodiles ?
[15:21] <Upu> "No. Alpacas are non-aggressive and tend to move away when they feel threatened. They assert dominance with other members of their herd, but are submissive and non-threatening towards humans. Their feet are padded, they do not bite, and they are small enough to be safe even around small children."
[15:22] <edmoore> nice one on seeing it come down
[15:22] <Geoff-G8DHE> Oh don't destroy a good tale - how the payload was pulled from its mouth
[15:24] <Upu> Although largely carnivorous, they will also feed on carrion (e.g. beached whales) and also eat some vegetable matter, mainly berries and roots in the late summer, as well as kelp. Warning: Alpacas are aggressive, curious, and extremely dangerous to humans.
[15:24] <Upu> s/Polar bear/Alpaca
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[15:25] <Geoff-G8DHE> Thats more like it, you should see them chomp the grass, pullin g it out by its roots!
[15:25] <Geoff-G8DHE> you can see a few of them in the street view a little further down the road
[15:28] <Geoff-G8DHE> http://tinyurl.com/zz38akm
[15:29] <Geoff-G8DHE> Could be mistaken for Boris ?
[15:30] <Ian_> Maybe alpaca owners are nervous of field intruders, the sort of people that you might talk to first to put their minds at ease.
[15:30] shawn (811fd10d@gateway/web/freenode/ip.129.31.209.13) joined #highaltitude.
[15:30] <shawn> hello
[15:30] <shawn> my name is Shawn as you can see,
[15:30] Nick change: shawn -> Guest97038
[15:30] <Guest97038> I was wondering what is the best way to tie up the parachute and the payload?
[15:31] <Guest97038> btw, Good Afternoon guys.
[15:31] <Ian_> Smaller than llamas and can talk to Dr Doolittle
[15:31] <Geoff-G8DHE> http://tinyurl.com/gmaahrt
[15:31] <Guest97038> LOL
[15:31] <Geoff-G8DHE> https://ukhas.org.uk/guides:knots
[15:32] <Upu> last image sent my payload Geoff-G8DHE ? :)
[15:32] <Upu> hi Shawn, see that link from Geoff
[15:32] <Guest97038> I surely enjoyed the Llama
[15:32] <Guest97038> Upu thanks and thanks Geoff.
[15:33] <Upu> Alpaca
[15:33] <Ian_> Ha ha, Sammy you seem to get all the good landing locations :)
[15:33] <Upu> FuzzyLemon just landed a balloon in a field full of them
[15:33] <Guest97038> other than Knots. I was thinking of some kind of wheel / rotating axel to avoid spinning between Payload / Parachute
[15:33] <Upu> use a spinner
[15:34] <Geoff-G8DHE> make the payload long and broad swings less
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[15:35] <Guest97038> where could you get spinner / what do i google to find spinner?
[15:35] Nick change: michal_f -> michal_f_off
[15:35] <Upu> good question - daveake ?
[15:35] <Geoff-G8DHE> Fishing shops
[15:36] <daveake> fishing tackle shops / ebay
[15:36] <Upu> spinner doesn't look like what I'm expecting
[15:36] <daveake> no
[15:36] <Geoff-G8DHE> swivels fishing
[15:36] <daveake> swivel
[15:37] <daveake> damn too slow today
[15:37] <Geoff-G8DHE> http://tinyurl.com/hy7tfm8
[15:37] <Guest97038> oh yea that's exactly what i was thinking of making
[15:37] <Guest97038> @Geoff
[15:38] <Guest97038> didn't know there's such a thing for fishing
[15:38] <Guest97038> apparently i don't fish
[15:38] <Guest97038> nor phish
[15:38] <Geoff-G8DHE> I think a few have tried them, not sure its common however
[15:38] <Guest97038> thanks Geoff!!
[15:40] <Geoff-G8DHE> didn't you make your payload for the eclipse stuff long and broad to stop it spinning Upu/Dave
[15:40] <Upu> nah never got it working
[15:40] <Upu> https://www.youtube.com/watch?v=qVj82qPfAQ8
[15:41] <Geoff-G8DHE> No the one you flew, long package with support lines to both ends ?
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[15:41] <Geoff-G8DHE> a bit like berkohab today http://360.g8dhe.net/HAB_Flights/2016_Flights/BERKOHAB_20160610/launch_by_edmoore_1.jpg
[15:42] <Upu> yeah less said about that one the better
[15:43] <SpacenearUS> New vehicle on the map: 03K5DLR - 12http://tracker.habhub.org/#!qm=All&q=K5DLR
[15:43] <Geoff-G8DHE> But did it spin ? https://www.youtube.com/watch?v=8EZdyl6noYI
[15:44] <Upu> can't remember but see at the top of the chain under the parachute a ball ?
[15:44] <Upu> that was attached about 30 seconds before it went up
[15:44] <Upu> as the cameras jammed all the trackers out in the box
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[15:45] <Upu> one thing I learnt that day is race courses are quite large to run madly across to get a backup tracker from the car
[15:45] <Geoff-G8DHE> Ah yes!
[15:45] <Upu> I was actually tying that on as Dave was reeling it out
[15:46] <Geoff-G8DHE> Ah the Upu stakes was it ?
[15:46] <Upu> I'd only brought the tracker down to show Dave the new design
[15:47] <Geoff-G8DHE> :) Then you flew it before he had time to see it ?
[15:48] <Geoff-G8DHE> Mumm btter go get something out the freezer for tea just seen the time!
[15:48] <Upu> was fun that day
[15:49] <Geoff-G8DHE> All rush and dash for the sake of 20 seconds air time!
[15:49] <Upu> lol yeah
[15:51] <daveake> yeah, was an experience
[15:51] <daveake> Some/all (I don't remember) of the trackers did unjam
[15:51] <daveake> Idid like the landing video
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[16:02] <SpacenearUS> New vehicle on the map: 03QM-SkyPi-1 - 12http://tracker.habhub.org/#!qm=All&q=QM-SkyPi-1
[16:10] <SpacenearUS> New vehicle on the map: 03OM4AOZ_chase - 12http://tracker.habhub.org/#!qm=All&q=OM4AOZ_chase
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[16:38] <SpacenearUS> New position from 03KC9PON-11 after 037 days silence - 12http://tracker.habhub.org/#!qm=All&q=KC9PON-11
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[16:50] <PE2BZ> daveake good evening. May I ask a Pits / SSDV / LoRa question ?
[16:50] <daveake> ok
[16:51] <PE2BZ> If I do not connect a camera to the Pi (no PiCam and no USB cam) and I copy a jpg from an IP camera to the directory, would the tracker software pick it up and transmit it ?
[16:52] <daveake> think so yes
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[16:53] <PE2BZ> Thanks. Going to give it a try tomorrow :-) The Pi is indoor and I have Ip camera outdoor with nice view.
[16:53] <daveake> You could also modify snapper.c to copy the file instead of creating a raspistill/fswebcam script
[16:56] <PE2BZ> That´s a great idea. Do commands like wget also work in C ?
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[16:58] <daveake> system("wget ....") yes
[16:58] <adamgreig> eww :P
[16:58] <PE2BZ> Big thanks !
[16:58] <daveake> :)
[16:58] <daveake> hey he's hacking it for a one-off :)
[16:58] <PE2BZ> http://109.109.112.170:10000/snap.jpg?JpegSize=small
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[17:33] <FuzzyLemon> GPS antenna did move during the flight
[17:34] <FuzzyLemon> it was probably sitting on top of the Pi or the battery pack for the majority of the flight
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[17:38] <FuzzyLemon> not ideal but we found it!
[17:38] <FuzzyLemon> thank you to everyone for all the tracking help
[17:40] <Ian_> Thanks for another exotic landing location FuzzyLemon. The kids will begin to expect the unexpected before long.
[17:42] <FuzzyLemon> the alpacas were amazing! Luckily they were really scared of the payload so didn't eat it
[17:46] <Ian_> They are certainly cute. My concern was that they are a bit exotic and contact with the owners before entering a field is a must. Not exactly farmers in their thinking!
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[17:46] <FuzzyLemon> we asked the farmer before going into their field
[17:50] <Ian_> Congrats, it was certainly a lovely day for a HAB flight and recovery.
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[19:05] <SpacenearUS> New vehicle on the map: 03DO2EIM-1 - 12http://tracker.habhub.org/#!qm=All&q=DO2EIM-1
[19:07] <PE2BZ> daveake could you give me a clue what the message ¨File ssdv_done_3 found¨ tries to tell me ? Is that the message that the file is converted ?
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[21:17] <DanielRichman> momentary ukhas wiki interruption, nothing to see here
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[22:02] <amell> Yay. It's UKHAS conference booking time :)
[22:03] <amell> I already booked. Who else did?
[22:03] <Ian_> Me
[22:04] <Ian_> Now we need a 2016 Conference Logo for my t-shirt
[22:04] <amell> Btw if anyone needs pick up from Huntingdon railway station that can probably be arranged
[22:05] <liamcollins> conference plans are finalized!?
[22:05] <liamcollins> I think I may try to come from the US
[22:05] <Ian_> Well booking is open https://ukhas.org.uk/general:ukhasconference2016
[22:05] <SpacenearUS> New vehicle on the map: 03BALLOONOLO-7 - 12http://tracker.habhub.org/#!qm=All&q=BALLOONOLO-7
[22:06] <Ian_> The detail of talks etc is still a work in progress.
[22:07] <liamcollins> right, very cool
[22:07] <amell> I hope to do foundation exam too.
[22:08] <liamcollins> I'm a student at Wichita State University in KS, US - could give a brief presentation on the state of amateur ballooning in the US, international influence of British enthusiasts, etc, if you guys want
[22:10] <Geoff-G8DHE> Sounds good idea! Not sure who else is organising other than Steve Randall RocketBoy on here
[22:11] <liamcollins> ok. I can throw something up on the mailing list about this too
[22:11] <amell> The UKHAS conference is the worlds premier HAB conference
[22:11] <amell> But are there any others? :)
[22:11] <liamcollins> I know, that's why I want to travel thousands of miles to come!
[22:11] <liamcollins> haha
[22:11] <RocketBoy> hi liamcollins - could you drop me a line at steve@randomaerospace.com and we will chat about doinf a slot
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[22:12] <RocketBoy> at the conference
[22:12] <liamcollins> RocketBoy - will do
[22:12] <amell> Steve I am booked :)
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[22:13] <amell> Finally a local conference.
[22:13] <RocketBoy> Daniel Saul is the other person organizing
[22:13] <RocketBoy> yeah - not too bad for me either :-)
[22:14] <adamgreig> I'm in walking distance, it's great :P
[22:14] <RocketBoy> GPSL (US) has a conference and launch
[22:15] <amell> adamgreig: I'm in bike distance :)
[22:15] <amell> Any plans to do a launch too?
[22:15] <RocketBoy> I was thinking we might do a launch too - either a demo session - or maybe a full launch on the sunday
[22:16] <RocketBoy> ?
[22:16] <Geoff-G8DHE> Sunday sounds a good idea, as I spect a few might be staying over night!
[22:16] <daveake> I've booked a hotel for the Saturday night, so I'd be up for that :)
[22:16] <Geoff-G8DHE> I was going to say will there be a suggeted hotel ?
[22:17] <daveake> Well I'm in the Arundel
[22:17] <amell> Astro also have a lot of telescopes. Maybe an opportunity for telescopes when it's dark? They do this every month. I think it usually October to March
[22:17] <daveake> Normally I'd get Rectory Farm as it's close by, but that's full
[22:17] <amell> Arundel is in town.
[22:18] <daveake> I know
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[22:18] <Geoff-G8DHE> is that House Hotel ?
[22:18] <amell> How much was it?
[22:18] <daveake> £80
[22:18] <amell> Not bad
[22:20] <amell> You can usually book rooms at the Moller centre next door but I checked and its full, probably another conference
[22:20] <adamgreig> churchill college itself might have rooms free
[22:20] <adamgreig> probably cheaper
[22:21] <amell> adamgreig: perhaps check and post on mailing list?
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[22:23] <russss> https://www.chu.cam.ac.uk/conferences/services/bandb/
[22:23] <russss> looks like they have rooms
[22:23] <amell> Yep
[22:23] <amell> http://www.universityrooms.com/en/city/cambridge/book/rooms/local
[22:23] <DL7AD> good evening
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[22:27] <amell> 50 quid with a shared bog.
[22:28] <russss> I booked an ensuite :P
[22:29] <russss> in my previous experience visiting churchill I slept on the floor after getting very drunk so this will be an improvement
[22:31] <liamcollins> not to change the subject, but I have a quick endurance ballooning puzzle
[22:31] <amell> craag: would like to put name down for foundation exam please. Thanks
[22:31] <liamcollins> yesterday I launched four blimp style balloons, along the lines of https://www.amazon.com/Replacement-Battlebot-Balloon-Envelope-Airships/dp/B000PUGYVY/ref=sr_1_6?s=toys-and-games&ie=UTF8&qid=1465597316&sr=1-6&keywords=blimp+balloon
[22:31] <liamcollins> with a habduino tracker
[22:32] <liamcollins> under 10 grams surplus lift
[22:32] <liamcollins> I've done a burst test and those things normally don't burst till about 0.85 PSI superpressure
[22:32] <liamcollins> but I still climbed to 27k ft and then lost a balloon
[22:33] <liamcollins> I was expecting to hang at around 25k ft
[22:34] <liamcollins> and thought that it should only take about 0.1 psi superpressure to overcome that surplus lift
[22:34] <liamcollins> is it possible that this is a temperature problem with the silvery balloons heating up?
[22:35] <Geoff-G8DHE> Both Leo and UBSEDS remove the alu. film and pre-stress I believe
[22:35] <liamcollins> yeah I really should have prestressed all of them
[22:36] <liamcollins> I figured since these were factory manufactured I shouldn't have to worry as much about defects
[22:37] <Geoff-G8DHE> I think thats why both have ended up making there own!
[22:37] <liamcollins> haha, fair enough!
[22:37] <amell> They are probably made enmasse in China.
[22:37] <liamcollins> true story
[22:38] <liamcollins> I am curious about the temperature effects
[22:38] <liamcollins> not exactly sure how to measure/experiment in order to determine what's going on there
[22:39] <liamcollins> I wonder if either Leo or UBSEDS have experienced burst due to temperature differences
[22:40] <amell> Leo's balloons were completely transparent from what I saw
[22:40] <Geoff-G8DHE> So are UBSEDS
[22:40] <DL7AD> amell: i agree
[22:41] <Geoff-G8DHE> http://leobodnar.com/balloons/
[22:41] <liamcollins> yeah, and I believe that is due to temperature problems
[22:41] <amell> If it says battlebots on the side and is dark I would imagine it would be subject to some heating
[22:41] <liamcollins> but till yesterday I thought it had more to do with just wanting to holding a constant altitude
[22:41] <amell> Black body radiation
[22:41] <liamcollins> lol the ones I sent weren't actually battle bots ones
[22:42] <liamcollins> mine were similar size and shape but all shiny foil color
[22:42] <liamcollins> which I thought would be reflective enough to prevent the proble
[22:42] <liamcollins> *problem
[22:44] <Geoff-G8DHE> http://www.bristol-seds.co.uk/hab/flight/2016/04/30/ubseds15.html
[22:45] <amell> http://leobodnar.com/balloons/B-64/B-64-envelope2.jpg that envelope broke all the records
[22:46] <liamcollins> yeah, definitely clear
[22:47] <liamcollins> alright, I have to go to dinner
[22:47] <liamcollins> cheers!
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[23:46] <gtaubman> Hi Everyone. I'm in the process of designing an APRS tracker based on an Si4060, and was wondering if anyone here had any experience with designing a PCB around that chip?
[23:46] <gtaubman> Specifically, I'm reading through https://www.silabs.com/Support%20Documents/TechnicalDocs/AN627.pdf and am a little confused about which layout and L/C values to use for 169 MHz.
[23:48] <mfa298> 169MHz seems like an odd frequency to do aprs on
[23:48] <gtaubman> Sorry, that's the band that the Si4060 has that's closest to 140.390.
[23:48] <gtaubman> They have different L/C values for the 4 bands it runs on.
[23:49] <fsphil> 144.390?
[23:49] <gtaubman> As far as I've read, you design your board for the band and then you can tune to your actual desired frequency.
[23:49] <gtaubman> (Sorry, yes, fingers got away from me there :) )
[00:00] --- Sat Jun 11 2016