highaltitude.log.20150728

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[03:55] <SpacenearUS> New vehicle on the map: 03Subaru_chase - 12http://tracker.habhub.org/#!qm=All&q=Subaru_chase
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[06:21] <SpacenearUS> New vehicle on the map: 03RAJ-3 - 12http://tracker.habhub.org/#!qm=All&q=RAJ-3
[06:30] <chimpusmaximus> Might just be me but http://tracker.habhub.org is not finishing to load, predictor etc loads ok.
[06:31] <chimpusmaximus> Tried other browser and fine.
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[08:22] <michal_f> UpuWork are you there ?
[08:26] <UpuWork> I am
[08:26] <UpuWork> morning
[08:28] <michal_f> hi, can I have a word of advice from you? on uBlox ?
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[08:30] <michal_f> ok, so here's the situation: I've got uBlox M8Q from your store that is connected to rasPI
[08:31] <michal_f> the connection and C code is done like in PiInTheSky project
[08:31] <michal_f> and I had It all working OK until yesterday
[08:32] <michal_f> I can communicate with uBlox but I don't get any meaningfull data...
[08:32] <michal_f> here
[08:32] <michal_f> heres a short log:
[08:32] <michal_f> http://cgarea.com/gps_problem.txt
[08:33] <daveake> Oh that has meaning
[08:33] <daveake> It means you don't have a position lock yet
[08:33] <michal_f> hello daveake
[08:33] <michal_f> I left it by the window for all night, and still no lock
[08:34] <michal_f> maybe I damaged it while soldering wires ?
[08:34] <UpuWork> well its got time
[08:34] <UpuWork> can I see a picture of the setup please ?
[08:35] <michal_f> unfortunatelly I'm at work now, and I have no pic
[08:35] <UpuWork> ok
[08:35] <UpuWork> I'm going to guess you have something under the antenna
[08:35] <UpuWork> metal
[08:35] <UpuWork> remind me which one you got ?
[08:35] <michal_f> http://ava.upuaut.net/?page_id=388
[08:35] <UpuWork> thats an old one :)
[08:36] <michal_f> but small and nice :)
[08:36] <UpuWork> do you have it plugged in some prototyping board ?
[08:37] <michal_f> when it worked it was on proto board. now I soldered wires directly do gps board (removing pins). the wires go to general purpose board piece that has 2x13 connector soldered which plugs into PI
[08:37] <michal_f> just a big plug
[08:37] <UpuWork> how close is it to the Pi ?
[08:37] <UpuWork> I've see the Pi lock it out
[08:37] <UpuWork> try move it further away
[08:37] <michal_f> ~15-20 cm
[08:37] <UpuWork> should be ok
[08:37] <UpuWork> not sat on a radiator ?
[08:38] <michal_f> no
[08:38] <UpuWork> ok it is getting a signal as the time is there
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[08:38] <UpuWork> but its not strong enough
[08:38] <UpuWork> so something is affecting it
[08:38] <michal_f> Ill take it outdoors tonight
[08:38] <UpuWork> you have that exact board with the old Sarantel on it ?
[08:38] <michal_f> let me check
[08:40] <michal_f> uBLOX MAX-M8Q Breakout With Quad-V Antenna +SAW/LNA - HAB-BO-M3P-ASSY
[08:40] <michal_f> this is from order mayl
[08:40] <UpuWork> ah thats the new one
[08:40] <UpuWork> yeah that should be ok
[08:41] <michal_f> when I get home, I'll make a photo of my setup and show it here. I also take it outdors to make sure
[08:41] <UpuWork> ok
[08:42] <michal_f> so it's less guessing
[08:42] <michal_f> thanks !
[08:43] <michal_f> actually I found a photo
[08:43] <michal_f> https://drive.google.com/file/d/0B_8ipK0TpiuhdHNydFkyc3BGRGs/view?usp=sharing
[08:44] <UpuWork> yeah shouldn't be an issue
[08:44] <UpuWork> try it outside
[08:44] <michal_f> I will
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[09:27] <Laurenceb__> uh oh
[09:27] <Laurenceb__> https://mega.co.nz/#!2VYkxJTL!Wfl6Bu59oQX0YEL8-DhisNopoes3be1h9MvgaK3HT-o
[09:28] <Laurenceb__> lol those graphs are appallin
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[10:21] <SpacenearUS> New position from 03PISKY after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=PISKY
[10:59] <SpacenearUS> New position from 03LORA1 after 03a day silence - 12http://tracker.habhub.org/#!qm=All&q=LORA1
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[12:14] <Lunar_Lander> hello
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[12:35] <chris_99> where do you guys get mylar foil from out of interest, just ebay, or..? (i'm struggling to find specifications of the foil on ebay)
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[12:40] <SA6BSS> chris_99: http://www.ebay.com/sch/i.html?_odkw=95cm+foil+balloons+qualatex&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.X36%22+foil+balloons+qualatex.TRS0&_nkw=36%22+foil+balloons+qualatex&_sacat=0
[12:40] <SA6BSS> search for 36" qualatex
[12:42] <chris_99> cheers
[12:42] <SA6BSS> and here v
[12:42] <SA6BSS> http://randomsolutions.co.uk/Random_Aerospace/Balloons.html
[12:43] <chris_99> perfect thanks
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[13:17] <KT5TK> Interesting: GPS simulator for GnuRadio / HackRF and others: https://github.com/osqzss/gps-sdr-sim
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[13:21] <chimpusm_> Hi picked up one of these http://www.banggood.com/VK-172-GMOUSE-USB-GPSGLONASS-External-GPS-Module-With-USB-Interface-p-973820.html and thought i would be able to get working with Dl-fldigi but even so it connects to the com port it never shows any data
[13:22] <chimpusm_> Believe its a Ublox 7 and u-center works fine with it
[13:24] <craag> Are you using windows?
[13:24] <chimpusm_> yes
[13:24] <KT5TK> It may use the uBlox binary protocoll
[13:24] <craag> I don't think anyone has managed to get GPS working in dlfldigi on windows
[13:24] <daveake> I tried and failed
[13:24] <daveake> That was ages ago and I haven't tried since
[13:25] <KT5TK> I failed already installing windos ;)
[13:25] <chimpusm_> ok, did try a Garmin handheld a while ago with no success
[13:26] <daveake> How do they do that for £7
[13:26] <chimpusm_> no idea, not broken it open to see whats inside.. works very well
[13:27] <chimpusm_> Use banggood a fair bit as EU stuff comes within a day or so
[13:27] <craag> open it up and post some pics! it might suddenly start working with dlfldigi if you do that ;P
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[13:27] <chimpusm_> lol
[13:29] <daveake> I once switched a laptop on at a customer site and Windows popped up with "New Hardware Found"
[13:29] <daveake> Hadn't connected anything, not even mains power
[13:29] <daveake> IR link to a printer :/
[13:29] <craag> hahaha
[13:29] <chimpusm_> god i rember that, also pc to pc was a pain on hotdesks
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[13:31] <craag> I remember that if you printed via IR to our network printer, you bypassed the print queue
[13:32] <craag> and the school had one win98 laptop lying around with IR, v useful as long as you had no pics in your work.
[13:32] <craag> else you had to stand there a while...
[13:32] <mattbrejza> can you still change HP printers screens over the netowrk?
[13:32] <adamgreig> haha that was a lot of fun
[13:32] <adamgreig> "WHITE TONER LOW"
[13:32] <adamgreig> "LASER CONTAINMENT ERROR"
[13:33] <daveake> lol
[13:33] <mattbrejza> 'may cause cancer'
[13:33] <mattbrejza> 'out of cheese error'
[13:33] <KT5TK> 'wireless cable unplugged'
[13:34] <daveake> I think my first laser managed to keep the hole in the ozone layer from getting any bigger
[13:34] <adamgreig> valiant effort
[13:34] <daveake> Could smell it easily
[13:34] <craag> 'awaiting voice activation.'
[13:34] <jonsowman> https://www.dropbox.com/s/8qmtiormm1vjtj8/File%2028-07-2015%2014%2034%2024.jpeg?dl=0
[13:35] <daveake> "Quantum printer locked up; please turn off and on at the same time"
[13:35] <adamgreig> I got the technician in my school good with the white toner low
[13:35] <daveake> hah
[13:35] <adamgreig> "insert coin to continue"
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[13:44] <chimpusm_> https://www.dropbox.com/s/xjbav5gzvhzx4lp/DSC04742.jpg?dl=0
[13:45] <chimpusm_> https://www.dropbox.com/s/l6uiiaoix60gdqa/DSC04743.jpg?dl=0
[13:45] <chimpusm_> https://www.dropbox.com/s/m0nd31j8k903ob4/Photo%2028-07-2015%2C%2014%2038%2046.jpg?dl=0
[13:45] <chimpusm_> Hope you can see internal photos of usb gps
[13:45] <adamgreig> slightly blurry :P
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[13:45] <adamgreig> interesting though
[13:46] <chimpusm_> last one of chip set was better
[13:46] <adamgreig> oh yea indeed
[13:46] <adamgreig> definitely a ublox
[13:46] <chimpusm_> meant to be putting up ikea furniture so had to be quick :-)
[13:47] <adamgreig> suspect it's just dl-fldigi and windows and GPS not working well together
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[13:47] <adamgreig> quite interesting that it's using the ublox chipset rather than module
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[13:49] <SpacenearUS> New vehicle on the map: 03KZN-HAB1 - 12http://tracker.habhub.org/#!qm=All&q=KZN-HAB1
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[15:12] <RealBorg> adamgreig, in NMEA mode this device is emitting strange "^GPTXT unknown message"
[15:13] <RealBorg> maybe fl-digi fails to simply ignore them
[15:28] <daveake> GPTXT is when the ublox receives messages that it doesn't understand
[15:31] <RealBorg> how can that happen? thought the ublox is the gps
[15:31] <RealBorg> $GPTXT,01,01,01,NMEA unknown msg*58
[15:32] <RealBorg> that's what I keep seeing
[15:32] <RealBorg> but otherwise it works fine
[15:34] <daveake> It means something is sending something to it that it doesn't understand
[15:41] <craag> But dlfigi with gps in linux is easy, that's the weird thing.
[15:41] <craag> not tried myself though
[15:43] <mattbrejza> perhaps if you dump data in c:\dev\usbtty0.txt itll think thats gps data
[15:43] <craag> *not tried windows
[15:43] <craag> I could probably do a quick py2exe that upload listener_telemetry to habitat for a configured callsign.
[15:44] <craag> Then just put invalid gps values in dlfldigi so it doesn't upload
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[15:44] <LunarMobile> Yay
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[15:44] <craag> But... never tried serial ports on windows, and that may be what dlfldigi struggles with..
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[15:49] <ntx2> helllo
[15:50] <ntx2> have a question about testing the payload
[15:50] <ntx2> I put the payload in a car and I lost the signal when the car moved about 100 m from me
[15:50] <ntx2> I have an antenna connected to the NTX2
[15:50] <ntx2> but on the receiver side, I am using a USB TV dongle
[15:51] <ntx2> is the problem that I am not using a stronger antenna to receive the signal?
[15:52] <daveake> what antenna are you using?
[15:52] <ntx2> on the receiver?
[15:52] <daveake> well both
[15:52] <ntx2> it is one of those DVD-T USB dongles
[15:52] <ntx2> on the sender side, I made one based on the wiki
[15:53] <daveake> You need something at the rx end that is tuned for 434MHz
[15:53] <daveake> e.g. make one as you did for the tx
[15:53] Nick change: fl_0 -> fl_0|afk
[15:53] <daveake> for chasing balloons, people usually use a 70cm/2m magmount on the car roof
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[15:54] <daveake> Also TV SDRs are pretty deaf
[15:54] <ntx2> sure. my friend has one of those and we plan to use that for the chase
[15:54] <ntx2> should I use that to test?
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[15:54] <daveake> yes
[15:55] <ntx2> I see
[15:55] <ntx2> this is only my first test of the antenna
[15:55] <ntx2> and I was trying to see how far I can go
[15:55] <daveake> well the test worked
[15:55] <daveake> it showed you have a crap aerial and/or receiver :?
[15:55] <daveake> :/
[15:55] <ntx2> yeah
[15:56] <daveake> You need to be able to pick up a signal from a payload after it landed, from the nearest road
[15:56] <daveake> and that's quite often going to be half a milr or so from the payload
[15:57] <daveake> so 100m is not good enough
[15:57] <ntx2> so the antenna on the sender is also a problem?
[15:59] <ntx2> also, I was on 3rd floor when doing this test....
[15:59] <ntx2> and I was standing on my balcony next to the road where the car was being driven
[15:59] <SpeedEvil> Or be close enough that you can pick it up at a low enough altitude you can predict where it's going to land well enough to get you to the area you can receive
[15:59] <daveake> If you followed the guide to make the sender, and it's made properly (no short circuit) then that's fine
[15:59] <SpeedEvil> being able to pick it up on the road on the ground is way easier
[16:00] <ntx2> the TV SDRs can receive signals till what distance?
[16:00] <ntx2> ah ok, I will go down on the road level and test next time
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[16:18] Nick change: fl_0|afk -> fl_0
[16:19] <SpacenearUS> New vehicle on the map: 03KC9YMN-4 - 12http://tracker.habhub.org/#!qm=All&q=KC9YMN-4
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[17:11] <qyx_> openwebrx is working \o/
[17:17] <qyx_> http://i.imgur.com/cGqCLjb.jpg
[17:17] <qyx_> mhm, actually it throws some exceptions from time to time
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[19:37] <michal_f> daveake, Upu: I moved my uBlox outdoors and it has lock now - so it works all OK
[19:38] <Upu> something in doors causing issue
[19:38] <Upu> good to hear its working
[19:38] <michal_f> strange that it worked OK last time, laying by the same window
[19:38] <michal_f> anyway, I feel relief now
[19:43] <SpacenearUS> New vehicle on the map: 03LZ100AJ - 12http://tracker.habhub.org/#!qm=All&q=LZ100AJ
[19:44] <SpacenearUS> New position from 03PISKY after 038 hours silence - 12http://tracker.habhub.org/#!qm=All&q=PISKY
[19:53] <daveake> michal_f Yeah, thought that might happen :)
[19:54] <mattbrejza> fairly sure gps satellites vary their strength randomly over time just to mess with people
[19:55] <daveake> It's not random
[19:56] <daveake> I think they check the flight doc database
[19:56] <daveake> btw mattbrejza I have your hab modem/tracker working on a Dell Venue 8
[19:56] <michal_f> I still have chance to do field test this weekend
[19:57] <mattbrejza> ah cool
[19:57] <daveake> Bought it as my Nexus 7 doesn't have the mic input socket
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[19:57] <mattbrejza> there is an updated version that ill push once ive tested a bit more
[19:57] <daveake> I'm always amazed how well it works even through speaker/mic
[19:57] <mattbrejza> its good gfor quick testing
[19:58] <daveake> It's good for chasing without 3G :)
[19:58] <daveake> Also, I had some 4-pole plugs I bought a while back, but they won't go in tnto the tablet
[19:58] <daveake> In the end I hacked an old earphone/mic that must have come with a phone
[19:59] <mattbrejza> ah nice
[19:59] <mattbrejza> btw if you want the latest version: https://play.google.com/apps/testing/com.brejza.matt.habmodem
[19:59] <daveake> I thought so :/
[19:59] <daveake> ta ... what are the changes?
[19:59] <mattbrejza> the main thing is that if the app is pushed out of ram it saves its state
[19:59] <mattbrejza> and probably less crashy
[19:59] <daveake> ok cool
[19:59] <daveake> "Sorry – nothing to see here."
[20:00] <daveake> says you might not be runnign a test ...
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[20:00] <mattbrejza> it also can connect to my lora thing via BT but thats hidden away since I have the only one
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[20:00] <mattbrejza> er
[20:00] <daveake> :)
[20:01] <mattbrejza> oh you have to join this G+ group first https://plus.google.com/communities/117278333894660360173
[20:01] <Laurenceb__> https://www.reddit.com/live/vbfu09jnz6ab/
[20:01] <Laurenceb__> lunacy live
[20:01] <daveake> righto
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[20:06] <Lunar_Lander> yay it worked
[20:06] <Lunar_Lander> :)
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[20:26] <PaulChandler> Hello
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[20:27] <PaulChandler> can anyone offer advice on receivers?
[20:28] <Geoff-G8DHE> Probably if you tell us what you want to receive!
[20:28] <daveake> lottery win
[20:29] <Geoff-G8DHE> :)
[20:29] <PaulChandler> We've just got the Pi In The Sky board up and running (software installed and basic tests complete), we're now looking at which type of receiver we need to receive signals
[20:29] <Geoff-G8DHE> Is this a one off flight or do you expect to use the receive for more activities ?
[20:30] <PaulChandler> Ideally we will buy just one, use it for off-flight testing and then use it to track the payload in real flight
[20:31] <PaulChandler> we are hoping to do multiple flights
[20:32] <Geoff-G8DHE> Cheapest would be the simple RTL SD Dongles, probably with a HabAmp, moving up would be somethig like an Airspy, or Funcube Dongle
[20:32] <Geoff-G8DHE> or spend some money on a a decent amateur radio rig.
[20:32] <daveake> Geoff-G8DHE Have you tried an SDRPlay? I just ordered one to see what they're like
[20:33] <Geoff-G8DHE> Lots of people these days go for the Airspy and a HabAmp
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[20:33] <PaulChandler> on https://ukhas.org.uk/guides:sdr_tracker the Newsky TV28T is suggested but theres also a comment saying its possibly no good for real flights
[20:34] <daveake> I've gone off my Airspy as it's now doing this http://airspy.com/index.php/forums/topic/airspy-2-5-sample-rate-solution/
[20:34] <Geoff-G8DHE> somene put a link up to the wiki (I thought) with a comparison of rigs ?
[20:34] <PaulChandler> AirSpy a bit pricey for our first flight. HABamp here is just $35 so much more reasonable
[20:35] <daveake> PaulChandler The TV SDRs are a bit deaf. I've not used one to track but people say they need a HAB Amp
[20:35] <daveake> If you're doing several flights then the cost is small compared to latex and gas
[20:35] <Geoff-G8DHE> The HabAmp is just an extra amplifier and filter ahead of the hardware receiver you choose to use.
[20:36] <PaulChandler> ahh got it. This literally is the first day we have been looking at it so apologies for noob Qs
[20:37] <PaulChandler> It will be a group project for Southampton Makerspace
[20:37] <PaulChandler> SoMakeIt
[20:38] <edmoore> lots of habbers in soton
[20:41] <PaulChandler> We had an intro from Phil Crump from Southampton Uni's Spaceflight Society
[20:41] <SM0ULC> PaulChandler: the RTLs is so cheap so buy a couple and play with. and then some good portable thing :)
[20:44] <PaulChandler> Yes, will do. Cheers
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[20:59] <SpacenearUS> New vehicle on the map: 03FSUS - 12http://tracker.habhub.org/#!qm=All&q=FSUS
[20:59] <mattbrejza> !whereis FSUS
[20:59] <SpacenearUS> 03mattbrejza: 03FSUS is near 03Southampton, UK 10(50.93636,-1.38946) at 0319 meters
[21:00] <craag> :P
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[21:05] <SA6BSS> Have you all seen the new windows tabs out, 7-8", cost almost notthing with Intel Atom-processor Z3735G, just got back from a ham friend that run his rtl stick on one of those, must be perfect in a chase car !! :)
[21:10] <SM0ULC> SA6BSS: gokväll
[21:10] <SA6BSS> Tjena!
[21:11] <SpacenearUS> New vehicle on the map: 03KC9YMN - 12http://tracker.habhub.org/#!qm=All&q=KC9YMN
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[21:57] <mfa298> SA6BSS: I've got one of the Linx 7" tablets like that. Only downside is you use the same port for charging as you use for USB devices
[21:58] <mfa298> but seemed to run sdr# and dl-fldigi pretty well when I tried
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[00:00] --- Wed Jul 29 2015