highaltitude.log.20150629

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[07:24] <tweetBot> @chimpusmaximus: #UKHAS First attempt at building own tracker. Appears to work but need to troubleshoot freq setting. http://t.co/sg53pfUH10
[07:26] <UpuWork> Nice chimpusmaximus
[07:26] <chimpusmaximus> Cheers
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[08:56] <PE2BZ> !flights
[08:56] <SpacenearUS> 03PE2BZ: Current flights: 03EGGSPLORER-DX 10(3f8d), 03Boswells 10(ec49), 03Stewards 10(f036), 03Prospects 10(8606), 03SP3OSJ 437.7MHz 100/470/7n2 10(fb83)
[08:57] <michemto> Hi!
[08:57] <PE2BZ> Hi
[08:57] <michemto> Could anyone tell me what is the easiest way to find out flight distance after hab flight?
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[08:58] <Herman_> !flights
[08:58] <SpacenearUS> 03Herman_: Current flights: 03EGGSPLORER-DX 10(3f8d), 03Boswells 10(ec49), 03Stewards 10(f036), 03Prospects 10(8606), 03SP3OSJ 437.7MHz 100/470/7n2 10(fb83)
[08:58] <x-f> michemto, you mean straight line or distance traveled?
[08:59] <SA6BSS> michemto: cklick on the trace of the balloon and you get distance
[09:00] <SA6BSS> or google map, right click and measure distance
[09:01] <PE2BZ> SA6BSS thanks, did not know that. Nice to know !
[09:01] <SA6BSS> :)
[09:01] <x-f> SA6BSS, i saw you got eight green packets yesterday, impressive over such distance!
[09:01] <SA6BSS> web-sdr
[09:02] <x-f> in Espoo?
[09:02] <SA6BSS> yes
[09:02] <x-f> ah
[09:05] <PE2BZ> michemto it does work on http://tracker.habhub.org/#!mt=roadmap&mz=6&qm=1_day&mc=53.05088,4.83909&f=EES but not on http://habmap.philcrump.co.uk/
[09:06] <craag> Yep habmap is very minimal compared to the habhub tracker :)
[09:07] <Vaizki> the Espoo websdr unfortunately ends at 434.00 MHz if I remember right
[09:08] <Vaizki> would be nice if it went up to 434.800...
[09:09] <michemto> Could anyone get me length of traveled distance for StratosChem #2 launch? I don't have google earth at my workstation :(
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[09:10] <x-f> 105.84 km, if you click on the line
[09:10] <michemto> Sorry, got it!
[09:10] <michemto> Thanks bros!
[09:11] <Vaizki> I'm sure it's accurate to 10 meters :D
[09:11] <SA6BSS> Vaizki: I could hear 434.075 and I know I have tracked edupic:s other on that reciver up to at least 434.5
[09:11] <SA6BSS> I think its a yaesu 857
[09:12] <Vaizki> hmm
[09:12] <Vaizki> the websdr in espoo is 2x rtl dongles I think=
[09:13] <Vaizki> I don't think any web sdrs use normal radio receivers? because you are limited to audio frequency bandwidth
[09:14] <SA6BSS> I´m using http://www.globaltuners.com/receiver/1355
[09:14] <SA6BSS> there is more then one :)
[09:14] <Vaizki> ah ok
[09:14] <Vaizki> ok I meant this one http://websdr.oh2lak.net:8901/
[09:15] <SA6BSS> yeah, I understod we where talking about two diferent ones :)
[09:15] <Vaizki> so apparently he has the 2 big wheels + RTLs and the discone for the normal rx on the same pole
[09:16] <Vaizki> only one user for the globaltuners radio I guess
[09:17] <SA6BSS> global tuners one is a Receiver: Icom PCR-1000 Antenna: Discone 25-1300MHz7
[09:17] <SA6BSS> yep
[09:18] <Vaizki> same discone as I have, just a much better spot ;)
[09:27] <PE2BZ> Would it be possible to set the payload transmitter frequency on a 12.5 or better 6.25 kHz step ? Over here, 435.400 425 450 and 475 are in use for telemetry from remote controlled equipment. The 12.5 steps in between are all empty...
[09:27] <PE2BZ> I mean 434.400 434.425 434.450 and 434.475 are occupied. The 435.400 was a typo
[09:32] <tweetBot> @DrJessicaHamer: @CCChalfonts footage of Space Group's capsules #physics https://t.co/hzrG17c5Yt
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[09:32] <fsphil> depends on your transmitter PE2BZ
[09:33] <craag> tweetBot: :/
[09:34] <PE2BZ> fsphil I did mean ¨in general¨ for the upcomning balloon launches, it[ often a struggle to get the RTTY from the FSK FM signals over here. Did not plan to launch my own balloon ;-)
[09:35] <fsphil> ah
[09:40] <tweetBot> @DrBrianHart: CCChalfonts footage of Space Group's capsules #physics https://t.co/2A7gf6oTc2 DrBrianHart
[09:40] <SA6BSS> I would put a word out on the ukhas google maillist as a good to know if someone plans a balloon launch central eu
[09:40] <SA6BSS> I think alla tx can adjust their tx, even the ntx2
[09:41] <dsockwell> dumb question:
[09:41] <eroomde> the best kind
[09:41] <eroomde> unless it's actually dumb
[09:41] <dsockwell> do commercial/civilian GPS receivers really stop working at high altitude
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[09:41] <gonzo_> as lonbg as the answers are not as dumb, it's a p[ositive IQ budget
[09:41] <craag> SA6BSS: The newer ntx2b-fa can, at 3.125khz spacing.
[09:41] <dsockwell> that is above 20km
[09:41] <dsockwell> or so
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[09:42] <gonzo_> it depends on the GPS module they use internally
[09:42] <eroomde> dsockwell: some do yes
[09:43] <eroomde> there are a serious of export control laws that fall under the ubrella of COCOM
[09:43] <dsockwell> what's the mode of failure
[09:43] <eroomde> some manufacturers interpret them differently to others
[09:43] <dsockwell> integer overflow?
[09:43] <eroomde> they are designed to stop a civilian gps being used for some sort of home-made missile
[09:43] <dsockwell> cool, i thought i had been full of shit for years
[09:44] <eroomde> they state that if the gps goes above a certain speed, or speed and altitude, they should stop giving navigation solutions
[09:44] <UpuWork> off the record I have been told though this is not confirmed the Ublox 8 series continue to work past 50km as long as you stay within the COCOM speed limitation of 1000 knots
[09:44] <eroomde> some manufacturers implement this as an altitude *or* speed limit
[09:44] <dsockwell> mmm
[09:44] <eroomde> some as just speed
[09:44] <gonzo_> the COCOM limit say that if the unit is above a certain alt AND speed, they sghould stop reporting. But many manufactureres set the up to stop if it did EITHEr speed or altitude
[09:44] <gonzo_> snap
[09:44] <UpuWork> Adafruit Ultimates stop at 27km for the older versions and I understand 40km for the new ones
[09:44] <eroomde> so we use the ones which are altitude and speed, or just speed
[09:45] <eroomde> however yes, there are some other gps units (eg sirf i believe) that have altitude limits just because the software assumes no one would ever go above that altitude
[09:45] <UpuWork> besides if you work out a way of getting to 50km whilst keeping below 1000 knots come have a chat
[09:45] <dsockwell> well
[09:45] <UpuWork> cheaply
[09:45] <eroomde> essentially we have a list of known-good-for-ballooning gps receivers, of which the uBlox range are the most popular here
[09:45] <dsockwell> if i was going to make an ip core for GPS receiving
[09:45] <UpuWork> !wiki gps modules
[09:45] <SpacenearUS> 03UpuWork: Wiki page 03gps_modules (guides) - 12http://ukhas.org.uk/guides:gps_modules
[09:46] <dsockwell> no n/m i'm too sleepy to figure that out
[09:46] <UpuWork> you should watch eroomde's presentation from the UKHAS conference a few years back
[09:46] <eroomde> dsockwell: it depends on your nationality and the nature of 'export' - ITAR rules are currently being reviewed with an eye on digial dissemination
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[09:49] <Ian_> ITAR rules just about shut down AMSAT a few years ago. Suddenly the prospect of doing time to engage in their favourite hobby didn't seem sufficiently attractive.
[09:49] <eroomde> amsat generally or just amsat-US <-> amsat-anywhere_else collaboration?
[09:49] <gonzo_> masat us
[09:50] <Ian_> Then there was the maker of SDR radios who got a knock on the door one fine morning and spent a few uncomfortable days in the pokey. He got out, bought a laptop from Wallmart and got off the SDR mailing list pronto.
[09:50] <gonzo_> the us guys could not talk to anyone outside about kit, even if it was the outside peoples kit!
[09:51] <gonzo_> satellites are classed as munttions in IRAT rules
[09:51] <Ian_> Yes, The Dutch supplier of receivers that were able to sort out NMEA transponder collisions gave a good talk about it. Supplied rx to NASA who modded them. Broke them and wanted warranty replacement
[09:52] <Ian_> But weren't able to say what they were using them for, what they had done to mod them and couldn't return them. I think it was eventually accommodated in the asking price.
[09:53] <Ian_> That was an AMSAT UK talk recorded on BATC two or three years ago now.
[09:53] <gonzo_> the US laws were all set up to deal with big companies. And had no way of interfacing with voluntary organoisations
[09:54] <eroomde> dsockwell: do you want to do an ip core then?
[09:54] <gonzo_> they get around itar info sharing by publishing., which puts it in the public domain. But it has to be paper publishing, rather than just online
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[09:55] <gonzo_> so introduces delays
[09:55] <dsockwell> i probably shouldn't
[09:55] <Ian_> PE"BZ your [1034] suggests that you may be trying to use an FM rx to receive the signals from an NTX2B - requires SSB unless the tx is running an APRS type FM signal.
[09:55] <eroomde> dsockwell: wyzat?
[09:55] <dsockwell> until i understand the ITAR implications and if there's even a need for it
[09:56] <dsockwell> and if i really care to do it
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[09:56] <dsockwell> I do infosec, not GPS
[09:56] <eroomde> oh right
[09:56] <eroomde> will gps is horribly insecure
[09:56] <sq5kvs> Hi all
[09:56] <eroomde> it worries me that so much infrastructure relies on it
[09:56] <sq5kvs> pufffff......
[09:56] <dsockwell> what's to secure
[09:56] <dsockwell> the satellites themselves?
[09:56] <gonzo_> itart only really impacts on infomation coming out of the US. And the penalties on US people
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[09:57] <eroomde> no the fact that it's so easy to spoof the signals
[09:57] <dsockwell> i'm up really late
[09:57] <dsockwell> im realizing
[09:57] <dsockwell> oh yeah
[09:57] <dsockwell> ideally the signals would be signed
[09:57] <gonzo_> or just jam them. Cretaing DoS
[09:57] <dsockwell> GLONASS has a high-security mode
[09:57] <eroomde> sure,though it's hard to defend against jamming
[09:57] <dsockwell> or at least
[09:58] <dsockwell> a scrambled mode
[09:58] <eroomde> but easier to defend against spoofing
[09:58] <Ian_> ITAR is a fine net that unfortunately caught up lots of groups. It transpired that AMSAT US had exactly one paid employee and commanding volunteers can be a delicate art, akin to herding cats.
[09:58] <dsockwell> anyway I'm a US person and live in the US
[09:58] <dsockwell> so
[09:58] <eroomde> you might not want to flirt with the trouble
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[09:58] <dsockwell> bit awkward to be doing GPS stuff
[09:59] <gonzo_> is it safe for you to say that, or is that caught under irat?
[09:59] <gonzo_> itar
[09:59] <Ian_> Knock knock!
[09:59] <eroomde> i'm sure publishing an open core that does aquisition and tracking would be fine
[09:59] <Ian_> UPS calling
[09:59] <eroomde> that's the hard bit
[09:59] <eroomde> the rest is just some trigonometry
[09:59] <dsockwell> ehhh
[09:59] <eroomde> and that's no different to publishing any sort of spread spectrum demodulation core
[09:59] <dsockwell> idk how ITAR deals with snarky comments about how THESE NEXT SIX LINES ARE REQUIRED BY ITAR
[10:00] <eroomde> sure so i'm saying you leave that bit (the geometry) as an exercise to the reader
[10:00] <eroomde> just hav your core spit out pseudoranges
[10:00] <dsockwell> ah yeah
[10:00] <dsockwell> i get it
[10:00] <dsockwell> it's not GPS unless balls are touching
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[10:01] <dsockwell> so if you just neglect to calculate the really gay part ...
[10:01] <dsockwell> i may be too drunk for Freenode. good night
[10:02] <Ian_> Just make sure that Pablo from Mexico is publishing everything so that it's on the international stage,
[10:03] <eroomde> you just use barometers for altitude in mexico
[10:04] <dsockwell> and mexican hab payloads are full of candy
[10:05] <sq5kvs> piniata? :D
[10:07] <Ian_> Lol
[10:08] <Ian_> That particular event is obviously going to take years for Mexico to live down.
[10:10] <sq5kvs> please don't stress me . I will visit in next motnth mexico
[10:16] <Ian_> Buena suerte mi amigo
[10:17] <sq5kvs> gracias
[10:20] <sq5kvs> should I get a vaccine for bullets?
[10:22] <dsockwell> you'll be inoculated at the airport
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[10:31] <Vaizki> I have been to mexico like 25 times without incident :)
[10:31] <Vaizki> mexico city that is...
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[10:32] <Vaizki> ok once some guy insisted I need a shoe shine at 10:30pm and I was wearing sneakers
[10:35] <sq5kvs> hy :)
[10:36] <sq5kvs> fortunately I will be closer to the south part of mexico, not the US border
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[10:54] <PE2BZ> Ian_ Thanks, but mostly I receive HAB´s succesfully in SSB indeed. The problem is that over here (the western part of the Netherlands, between The Hague and Rotterdam) there are hundreds of NFM transmissions going on in the 434 MHz band, which disturb the (RTTY) reception of the HAB´s.
[10:55] <PE2BZ> THe somehow crowded frequencyband over here: http://s4.postimg.org/a1w2cj1vh/4338_4348.jpg
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[11:02] <gonzo_> that looks pretty similar to here
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[11:07] <chimpusmaximus> Steves stream is live http://randomaerospace.com/LiveHAB/LiveHAB_Splash/Welcome.html
[11:08] <eroomde> what's he launching?
[11:08] <PE2BZ> gonzo and also free frequencies at the 12.5 kc raster ?
[11:08] <chimpusmaximus> 3 PITS for schools i think
[11:10] <chimpusmaximus> BWELLS - 434.450MHz - 600baud 8N2, 900Hz shift
[11:10] <chimpusmaximus> SWARDS - 434.050MHz - 300baud 8N2, 950Hz shift
[11:10] <chimpusmaximus> PROSP - 434.150MHz - 300baud 8N2, 950Hz shift
[11:11] <SpacenearUS> New vehicle on the map: 03SWARDS - 12http://tracker.habhub.org/#!qm=All&q=SWARDS
[11:12] <daveake> SSDV started too http://ssdv.habhub.org/
[11:13] <Ian_> PE2BZ FB wasn't sure if you were about to make a mistake or not. I have only niticed your username/callsign over the last few days so wasn't sure of your HAB lineage, although associated with others with a HAB pedigree of note. :)
[11:13] <Ian_> De G0PAi
[11:14] <PE2BZ> Ian_ NP ! Better safe than sorry ;-)
[11:16] <eroomde> the schools are not atending the launch though?
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[11:22] <chimpusmaximus> Dont seem so. Might be to far to travel etc
[11:22] <adamgreig> but the launch is the best bit ;(
[11:23] <PE2BZ> Did the egg survive in the MADHEN flight ?
[11:25] <eroomde> agreed on the launch being the best bit
[11:25] <chimpusmaximus> at least its streamed
[11:26] <adamgreig> has anyone used freecad here?
[11:26] <adamgreig> either i'm blind or it can't do... assemblies
[11:26] <adamgreig> which seems a key thing
[11:26] <eroomde> i have heard something like that
[11:27] <eroomde> and generally that one can more productively spend time removing one's eyes with a toothpick than doing menaingful mechanical design work in freecad
[11:27] <adamgreig> so far i can save my individual parts, export them as STEP files, then make a new part, import a load of STEP files and reposition them
[11:27] <adamgreig> but no ways to like.. constrain or dimension or anything, and you can't them go back and change the parts
[11:27] <adamgreig> the individual part design aspect seems reasonable
[11:28] <adamgreig> but at this point i might as well do the whole thing in openscad and feel sorry for myself
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[11:29] <adamgreig> i think this will all fit, but i can only rotate the PCB about some totally arbitrary stupid axis so it's really hard to tell for sure https://agg.io/u/m2pa.png
[11:29] <adamgreig> guess I'll go back to dreaming of the day solidworks runs on linux
[11:29] <mattbrejza> adamgreig: cant you get a copy of solidworks?
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[11:29] <adamgreig> i have many copies of solidworks
[11:30] <adamgreig> that's not the issue
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[11:39] <daveake> 2nd try :)
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[11:43] <chimpusmaximus> !st balloon on way
[11:47] <SpacenearUS> New vehicle on the map: 03PROSP - 12http://tracker.habhub.org/#!qm=All&q=PROSP
[11:47] <Laurenceb> PS-46 is lurkmoarhab
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[11:49] <mattbrejza> !ping PS-46
[11:49] <SpacenearUS> 03mattbrejza: Last contact with 03PS-46 was 0327 minutes ago
[11:49] <PE2BZ> !flights
[11:49] <SpacenearUS> 03PE2BZ: Current flights: 03EGGSPLORER-DX 10(3f8d), 03Boswells 10(ec49), 03Stewards 10(f036), 03Prospects 10(8606), 03SP3OSJ 437.7MHz 100/470/7n2 10(fb83)
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[11:49] <PE2BZ> !payload stewards
[11:49] <SpacenearUS> 03PE2BZ: Can't find a flight doc matching your query
[11:50] <PE2BZ> !payload swards
[11:50] <SpacenearUS> 03PE2BZ: Payload 03SWARDS 10(f036) 03$$SWARDS - 03434.05 MHz USB 03RTTY 300/950Hz ASCII-8 none 2
[11:51] <SA6BSS> BWELLS - 434.450MHz - 600baud 8N2, 900Hz shift SWARDS - 434.050MHz - 300baud 8N2, 950Hz shift PROSP - 434.150MHz - 300baud 8N2, 950Hz shift
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[11:53] <UpuWork> live stream off ?
[11:54] <daveake> yeah stopped a few minutes ago for me
[11:54] <UpuWork> ok
[11:54] <chimpusmaximus> !dial swards
[11:54] <SpacenearUS> 03chimpusmaximus: Latest dials for 03SWARDS 10(f036): 03434.04831 MHz, 434.0485 MHz, 434.0489 MHz
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[12:01] <PE2BZ> Stream is back on
[12:02] <UpuWork> interesting cylinders
[12:02] <chimpusmaximus> think they called genie
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[12:03] <daveake> letting the genie out of the bottle
[12:04] <UpuWork> Helium ?
[12:04] <daveake> yup
[12:04] <UpuWork> thats enough Stever
[12:04] <UpuWork> windy
[12:05] <daveake> not compared to yesterday
[12:05] <UpuWork> balloon wrangler Steve
[12:05] <daveake> I blame AVA
[12:06] <daveake> AVA launches attract the rain
[12:06] <chimpusmaximus> It did look very wet and windy yesterday while ballon was being inflated.
[12:06] <daveake> yup not pleasant at all
[12:06] <daveake> I'd have waited for another day
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[12:07] <Herman_> !flights
[12:07] <SpacenearUS> 03Herman_: Current flights: 03EGGSPLORER-DX 10(3f8d), 03Boswells 10(ec49), 03Stewards 10(f036), 03Prospects 10(8606), 03SP3OSJ 437.7MHz 100/470/7n2 10(fb83)
[12:07] <chimpusmaximus> !dial swards
[12:07] <SpacenearUS> 03chimpusmaximus: Latest dials for 03SWARDS 10(f036): 03100 MHz, 434.05102 MHz, 434.0489 MHz, 434.0485 MHz, 434.05111 MHz, 434.64117 MHz, 434.04831 MHz, 434.603 MHz
[12:08] <Herman_> !dial f036
[12:08] <SpacenearUS> 03Herman_: Latest dials for 03SWARDS 10(f036): 03100 MHz, 434.0485 MHz, 434.0489 MHz, 434.05102 MHz, 434.64117 MHz, 434.05111 MHz
[12:09] <PE2BZ> Decoded image packet. Callsign: SWARDS, Image ID: 09, Resolution: 640x480, Packet ID: 12
[12:09] <PE2BZ> My first SSDV image packet ;-)
[12:09] <daveake> woo :)
[12:10] <chimpusmaximus> :-)
[12:10] <daveake> many more to come now
[12:10] <Laurenceb> https://twitter.com/temple_bot
[12:11] <infaddict> well done PE2BZ
[12:11] <eroomde> infaddict: success?
[12:11] <PE2BZ> infaddict Thanks !
[12:11] <Herman_> swards wat mode is autoconfig ok ??
[12:12] <infaddict> hey eroomde, yep lots of success (and some failure). we launched, tracked and found it, which to be is one big fat success. didnt go as high as expected and photo quality poor (wet) and video stopped after an hour or so.
[12:12] <infaddict> but i learned a ton and already got a list of improvements/changes I would make for next time
[12:12] <PE2BZ> For me autoconfig is OK only RTTY bandfilter width has to be around 270 Hz
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[12:17] <daveake> easier launch :)
[12:17] <PE2BZ> The OM can jump !
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[12:19] <infaddict> anyway, i'm writing a blog on the UKHAS wiki about my experiences of January thru now, before I forget.
[12:20] <craag> awesome :)
[12:20] <garymortimer> Back in from shopping and there is flying going on, will those payloads get wet?
[12:21] <eroomde> infaddict: 'already got a list of improvements/changes I would make for next time' == success
[12:22] <infaddict> indeed, whats the old quote... "success is powering through the failures without getting disheartened"
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[12:23] <craag> s/would/will/
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[12:24] <daveake> I thought I'd do just 1 launch ...
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[12:24] <daveake> ... then a couple of things went wrong so I did another ...
[12:24] <PE2G> !dial f036
[12:24] <SpacenearUS> 03PE2G: Latest dials for 03SWARDS 10(f036): 030.01 MHz, 434.05102 MHz, 434.64117 MHz, 434.048706 MHz
[12:24] <daveake> ... still working on that prefect flight :p
[12:24] <infaddict> there will be a next time craag & dave! just need to save up another £400 of launch money haha
[12:25] <UpuWork> use H2 next time
[12:25] <daveake> Well it's less than that per flight - gas/latex/petrol
[12:26] <chimpusmaximus> 1dial prosp
[12:26] <infaddict> yer so balloon+helium was just under £200 I think. sadly due to my location the rest is petrol and overnight stay. but when i move down south that will go.
[12:26] <chimpusmaximus> !dial prosp
[12:26] <SpacenearUS> 03chimpusmaximus: Latest dials for 03PROSP 10(8606): 03434.0485 MHz, 434.66 MHz, 434.14809 MHz
[12:26] <daveake> yeah, move south. country is wider and we have better weather
[12:26] <daveake> er....
[12:26] <craag> lol
[12:27] <craag> when are you moving infaddict ?
[12:27] <UpuWork> but its full of you know...southerners
[12:28] <daveake> less full of airports
[12:28] <UpuWork> aye true
[12:28] <garymortimer> ok for the terminally stupid that can't find the instructions, sstv in dl fldigi how....
[12:28] <eroomde> also hydrogen is cheaper
[12:28] <UpuWork> jsut recieve garymortimer it detects the SSDV packets
[12:28] <UpuWork> you can press S and get the SSDV window up
[12:29] <garymortimer> what mode does it have to be in??
[12:29] <garymortimer> i have that window open
[12:29] <UpuWork> just RTTY 300 / 600
[12:29] <UpuWork> its dual binary SSDV/RTTY telemetry
[12:29] <garymortimer> ok and its the signal on 434.6 and some change
[12:31] <PE2BZ> garymortimer SWARDS is @ 434.050 (.048 over here actually)
[12:31] <SpacenearUS> New vehicle on the map: 03BWELLS - 12http://tracker.habhub.org/#!qm=All&q=BWELLS
[12:32] <garymortimer> thanks
[12:33] <garymortimer> trying but nowt happening yet
[12:33] <garymortimer> AM FM USB LSB ??
[12:33] <PE2BZ> USB
[12:33] <craag> garymortimer: Try posting up a screenshot for us?
[12:33] <SA6BSS> barc is on 434.647
[12:33] <garymortimer> should have read the manual I know, thanks
[12:34] <PE2BZ> Do you see the signal in the waterfall from fldigi >
[12:34] <UpuWork> BARC launched as well ?
[12:34] <pc1pcl> garymortimer: make sure rtty filter window is set to 300 or so, sometimes on my sid eneed to update the setting to have it take after 'autoconfig' somehow sets it narrow.
[12:34] <SA6BSS> 50baud 7n2
[12:34] <SA6BSS> it looks like it
[12:35] <PE2BZ> garymortimer http://s15.postimg.org/wtz38cjtn/ssdv.jpg
[12:35] <infaddict> craag: just waiting to sell house, so hopefully before autumn
[12:35] <SA6BSS> $$$BARC,405,0,12:34:19,54.3823,-1.7494()2751m,8,&&&
[12:35] <craag> :)
[12:37] <garymortimer> thanks
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[12:43] <craag> afternoon g8jnj
[12:45] <g8jnj> Hi Phil
[12:46] <craag> How's things out west?
[12:46] <Vaizki> infaddict, congrats on the flight!
[12:46] <g8jnj> Good weather today :-)
[12:47] <g8jnj> Just RXing images from PROSP via SUWS WEB SDR
[12:47] <craag> :)
[12:48] <garymortimer> I'm getting some strings now but my dodgy web collection keeps dropping SUWS WEB SDR
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[12:49] <garymortimer> are the pictures appearing anywhere on the web?
[12:49] <chimpusmaximus> http://ssdv.habhub.org
[12:50] <PE2G> SWARDS is burried under local QRM here, hardly any decodes :(
[12:50] <garymortimer> thanks
[12:50] <infaddict> thx Vaizki
[12:52] <PE2G> 434.05 unusable here on weekdays
[12:52] <pc1pcl> PE2G: had some big QRM here for a while but seemed to fall exactly between the two tones.. Maybe PROSP can be an alternative in a bit?
[12:52] <PE2G> I hope so pc1pcl
[12:54] <chimpusmaximus> Bwells is off
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[12:57] <UpuWork> can anyone hear Steve ?
[12:58] <garymortimer> Is that Waterbeach in image 9 ?
[12:59] Action: daveake awaits list of good pubs in that shot
[12:59] <chimpusmaximus> lol
[13:00] <garymortimer> well.....
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[13:02] <garymortimer> might be a good idea to have the RNLI on speed dial
[13:02] <PE2G> PROSP is winning the battle with local QRM :)
[13:03] <daveake> I suspect these are going higher than the live predictor thinks, and therefore will travel further inland once they turn
[13:05] <daveake> Whoever put BWELLS together should have read about the rotate option in raspistill ...
[13:05] <UpuWork> haha
[13:05] <garymortimer> Oh that's good
[13:06] <sq5kvs> Is there anyone from Greece (and I wouldn't talk about crisis.. :)) ? Balloon from poland (sp 3 osj probably is now over greece.
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[13:07] <UpuWork> I fail to see the problem http://i.imgur.com/4MyLply.jpg
[13:08] <daveake> lol
[13:08] <daveake> maybe fsphil could do a live fix on the server :)
[13:09] <pc1pcl> daveake: maybe it's on purpose so they miss vertical strips instead of horizontal ones when packets get lost ;)
[13:10] <sq5kvs> Jus use Gimp :D
[13:10] <sq5kvs> just
[13:12] <Laurenceb> "just"
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[13:13] <BJ_> Hi anyone tracking boswells and have an exact freq?
[13:14] <pc1pcl> !dial BWELLS
[13:14] <SpacenearUS> 03pc1pcl: Latest dials for 03BWELLS 10(ec49): 03434.0489 MHz, 434.603 MHz, 434.44881 MHz
[13:16] <BJ_> Many thanks for info..
[13:17] <pc1pcl> 434.44881 seems most sane, but did see anything on WF here yet
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[13:19] <fsphil> daveake: hmmm
[13:19] <sq5kvs> hmmm
[13:19] <daveake> hmmm
[13:20] <fsphil> aaah
[13:20] <daveake> aahh
[13:21] <fsphil> not a quick fix sadly
[13:21] <daveake> no worries just a thought :)
[13:23] <garymortimer> Will the centre of Ipswich become an issue for landing I wonder? The only maps I have for over there have sea monsters on them of my known world
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[13:31] <sq5kvs> !dial 911
[13:31] <SpacenearUS> 03sq5kvs: Can't find a flight doc matching your query
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[13:31] <gonzo_> sounds like your maps are pretty up to date still!
[13:33] <SA6BSS> sq5kvs: listening in on sv8rv sdr, no sound of sp3osj
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[13:41] <PE2G> BWELLS strong and without any QRM here
[13:43] <garymortimer> I sense some masterful balloon filling has occurred as the coast recedes
[13:45] <UpuWork> he is the master
[13:46] <sq5kvs> SA6BSS: thanks
[13:47] <sq5kvs> today as I heard, someon from greece receive uncompete frames
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[13:51] <garymortimer> Airfield at Elmsett I wonder
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[14:03] <PE2BZ> PE2G Frits, what is your receiving bandwidth setting for BWELLS ?
[14:04] <SpacenearUS> New position from 03OM3BC-11 after 033 days silence - 12http://tracker.habhub.org/#!qm=All&q=OM3BC-11
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[14:13] <daveake> 2 on the way down now
[14:16] Nick change: fl_0 -> fl_0|afk
[14:17] <daveake> Hopefully once BWELLS bursts one of the photos will be the right way up :)
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[14:25] <Vaizki> cutting it a bit close with the coast there?
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[14:28] <mattbrejza> it seems to be just that the habhub predictor is set for a 30km burst but theyre going much higher
[14:28] <daveake> yup
[14:28] <mattbrejza> and with every km more altitude over 30km they move more and more inland
[14:28] <daveake> The balloons looked to be quite large
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[14:30] <Vaizki> ah right
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[14:32] <chimpusmaximus> I think he mentioned 1600g
[14:33] <Laurenceb> PS-46 makes a heart
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[14:38] <mattbrejza> !whereis PS-64
[14:38] <SpacenearUS> 03mattbrejza: I haven't got a clue
[14:38] <mattbrejza> !whereis PS-46
[14:38] <SpacenearUS> 03mattbrejza: 03PS-46 was over 03Indian Ocean 10(-17.796,99.161) at 039145 meters about 0337 minutes ago
[14:39] <mattbrejza> i thought that produced a link :/
[14:39] <craag> !track PS-46
[14:39] <SpacenearUS> 03craag: Here you go - 12http://tracker.habhub.org/#!qm=All&q=PS-46
[14:39] <mattbrejza> ah
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[14:52] <g8fjg> BWELLS only 37 km ;-( ..... what a signal here nearly 60 over noise .......3 triumphs
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[14:56] <garymortimer> But look at the landing prediction all within a simle drive of each other, tats cool
[14:56] <garymortimer> thats
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[15:11] <garymortimer> how many points are awarded for a same field landing?
[15:11] <adamgreig> double if you catch it
[15:12] <adamgreig> quadruple if you catch both i guess
[15:12] <adamgreig> twice now i've so nearly caught a landing
[15:12] <adamgreig> thwarted by roads both times, sigh
[15:12] <garymortimer> for a double catch landing?
[15:12] <adamgreig> oh no, just for catching a single landing in my hands
[15:16] <fsphil> catching a payload while in a moving speed boat would be worth a few points
[15:17] <SpeedEvil> http://nedhardy.com/2013/07/02/first-world-british-problems-30-pics/
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[15:21] <garymortimer> I see the track changing, have to think of a points score for hitting a pub
[15:22] <garymortimer> actually that would be more of an award
[15:22] <adamgreig> 1 pint seems the obvious reward
[15:23] <daveake> hmmm ... is there a file of pubs/co-ords? That plus landing prediction + cutdown in the payload ....
[15:23] <adamgreig> https://en.wikipedia.org/wiki/List_of_pubs_in_the_United_Kingdom
[15:24] <adamgreig> it is alas incomplete
[15:24] <daveake> conside it done :)
[15:24] <adamgreig> you wouldn't want to land at just any pub though
[15:24] <infaddict> i'm sure the predictor could google pubs near X using landing prediction haha
[15:24] <adamgreig> add a pubs overlay to the tracker
[15:25] <garymortimer> why on earth would that not happen in a civilized country
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[15:28] <Lunar_Lander> hello
[15:29] <sq5kvs> ciao
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[15:43] <garymortimer> JOb well done on those balloons me thinks, I look forward to hearing about their safe recoveries.
[15:44] <daveake> PROSP updated
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[16:02] <darts> hello
[16:02] <darts> have a question about the GPS ublox max m8q
[16:02] <darts> wondering who is a good person to ask
[16:03] <eroomde> irc doesn't work like that
[16:03] <eroomde> just ask the question
[16:03] <darts> ah ok
[16:03] <eroomde> if someone wants to answer it they will
[16:03] <darts> so I have the GPS connected but it is not finding any satellites
[16:03] <darts> and I read that it should be able to find satellites if it has a clear view of the sky
[16:04] <eroomde> take a picture of your setup if you wouldn't mind
[16:04] <darts> so I have it placed in front of my window (a large french window), it is open and pointed to the horizon
[16:04] <infaddict> is it near any metal
[16:04] <darts> it is sitting on a plastic table and not near metal
[16:04] <infaddict> what antenna?
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[16:04] <eroomde> note that (having seen this before a few times) prototyping breadboard contains metal underneath the plastic bits :)
[16:04] <darts> no antenna connected
[16:04] <eroomde> lol
[16:04] <eroomde> that was quick
[16:04] <darts> I bought an antenna from the store
[16:05] <darts> but it is heavy and has a long cable
[16:05] <darts> so I am wondering if I really need to use it in which case it will increase the payload weight
[16:05] <eroomde> you do need a gps antenna yes
[16:05] <infaddict> the GPS wont lock without an antenna of some sort
[16:05] <adamgreig> what do you have at the moment? just the max m8q? presumably it's on a breakout board of some kind?
[16:06] <infaddict> that was my next question adamgreig ;-)
[16:06] <eroomde> there are lighter antennas available probably, e.g. chipscale ones, but for any kind of development work your long-cabled antenna will probably do
[16:06] <darts> I have it like here - http://www.stratodean.co.uk/2013/04/the-gps-tracker.html
[16:06] <adamgreig> you'll observe that that ublox has a small antenna soldered to the circuit board
[16:07] <eroomde> that has an antenna
[16:07] <eroomde> the cylindrical thing in black plastic
[16:07] <infaddict> yep so the ublox in that url has a antenna on it (its a break outboard)
[16:07] <darts> yes, I have that
[16:07] <adamgreig> so you.. do have an antenna?
[16:07] <darts> the passive antenna is there, yes
[16:07] <darts> sorry about the confusion
[16:07] <adamgreig> could you please take a photograph of the set-up, in case anything is obviously wrong
[16:07] <daveake> and is it connected to the UBlox ?
[16:07] <eroomde> would you do as i suggest and just take a picture of your setup
[16:08] <eroomde> it's hard for you to accurately answer questions when you don't necessarily understand all the terms we use in our questions
[16:08] <darts> let me get the picture
[16:08] <eroomde> thanks
[16:12] <darts> http://imgur.com/uybXnFL
[16:12] <darts> here is the picture
[16:12] <infaddict> there is no antenna screwed onto your breakout board
[16:12] <infaddict> did you get a black attachment to screw onto that thread?
[16:13] <darts> no, I did not get it
[16:13] <darts> so that might be my problem
[16:13] <eroomde> yes
[16:13] <darts> http://ava.upuaut.net/store/index.php?route=product/product&path=59_65&product_id=54
[16:13] <infaddict> ok notice how in the URL you linked there was a black rounded antenna where you just have a thread
[16:13] <eroomde> that is definitely your problem
[16:13] <darts> I have this and I dont want to use it since it is so heavy
[16:13] <eroomde> use it for now
[16:13] <eroomde> to test the payload
[16:14] <adamgreig> the soldering does not look stellar either but the antenna is the first thing to fix
[16:14] <eroomde> then get yourself a different gps board
[16:14] <eroomde> with a chipscale antenna built in
[16:14] <adamgreig> also the wires at the bottom don't really look very attached
[16:15] <darts> I know
[16:15] <darts> the soldering needs to be fixed
[16:15] <SpacenearUS> New vehicle on the map: 03NM5SS-11 - 12http://tracker.habhub.org/#!qm=All&q=NM5SS-11
[16:15] <darts> something like this GPS board will do? http://ava.upuaut.net/store/index.php?route=product/product&path=59_60&product_id=68
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[16:17] <infaddict> yes for a 5V arduino
[16:17] <darts> thanks! Let me go work on that...
[16:17] <darts> found the problem :)
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[16:18] <eroomde> you've found another problem?
[16:18] <darts> no..the problem of the missing antenna :)
[16:18] <darts> I bought the breakout board for an active antenna
[16:18] <darts> just checked the order
[16:19] <darts> my mistake
[16:19] <eroomde> it'll be useful to have around in the parts box anyway :)
[16:19] <infaddict> yep, always useful to have spares around
[16:20] <infaddict> when soldering, tin your tip. then try to heat both the pin and pad at same time, then after a second or so apply your solder.
[16:20] <infaddict> you should get a nice joint
[16:21] <darts> thanks :)
[16:21] <darts> this project of mine is a learning endevor for many things starting with soldering too :)
[16:21] <infaddict> indeed, i only learned to solder a few months ago too. practice makes perfect. i bought some cheap proto board and just practiced.
[16:22] <darts> there is no way a breakout board made for active antenna will work for a passive antenna?
[16:22] <eroomde> it should work with a passive antenna just fine
[16:22] <darts> I am wondering if I can just buy a passive antenna and attach it to this board
[16:22] <adamgreig> if you can connect your passive antenna very close to the connector, in other words not without a very long cable, you should be fine
[16:23] <eroomde> but you want to have a short length of coax between the antenna and the connector
[16:23] <mattbrejza> just jam a ~7cm bit of single cored wire in the sma connector
[16:23] <adamgreig> yeh or that
[16:23] <mattbrejza> 4.7cm rather
[16:23] <adamgreig> 7cm probably work too...
[16:24] <darts> but the passive antenna screws on, right?
[16:24] <eroomde> yes
[16:24] <darts> screws on to the connector at the end of the board
[16:24] <darts> so no need for cable?
[16:24] <eroomde> people talking about jamming wires in are just giving you a quick bodge to try and see a couple of sats
[16:24] <eroomde> don't ever fly that
[16:24] <mattbrejza> without first glue-gunning it in
[16:24] <darts> I see
[16:25] Action: mattbrejza hides
[16:25] <eroomde> darts: you'd have to find a passive gps antenna with an sma connector
[16:25] <eroomde> if you can find that, it'll fit
[16:25] <darts> http://ava.upuaut.net/store/index.php?route=product/product&path=59_65&product_id=103
[16:25] <infaddict> yep that might be cheapest. a passive antenna with sma to screw onto what you already have
[16:26] <mattbrejza> well for now just use this http://ava.upuaut.net/store/index.php?route=product/product&path=59_65&product_id=54
[16:26] <mattbrejza> as you have it
[16:26] <eroomde> darts: does that thing you just linked to have an sma connector?
[16:26] <mattbrejza> i dont know of any small antennas for gps that have a sma without any cable
[16:26] <darts> the link does not seem to have a SMA connector
[16:26] <eroomde> no it doesn't
[16:26] <eroomde> so it's not suitable
[16:26] <infaddict> so cant use it (its designed to solder onto PCB that one)
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[16:28] <darts> http://ava.upuaut.net/store/index.php?route=product/product&path=59_60&product_id=68
[16:28] <darts> this is a board that I should have had then
[16:28] <eroomde> yep
[16:28] <infaddict> yes if you have a 5 volt arduino (your own pic looked like you do)
[16:30] <darts> sure
[16:30] <infaddict> i also presume you are using serial tx/rx to talk to the GPS which is totally fine and that board you just linked supports that. if you planned to use i2c (scl/sda) this wont work out of box (but they can add it for you).
[16:30] <infaddict> if you dont know what i am talking about, you wont be using i2c.
[16:30] <adamgreig> and if you do, you would avoid using i2c
[16:30] <infaddict> ha lol
[16:31] <infaddict> i prefer i2c to software serial tho adamgreig!
[16:31] <adamgreig> oh yea sure, software serial is even worse
[16:32] <adamgreig> my preference would be using a microcontroller with more serial ports i guess :p or spi is really nice but i don't think it's available on the MAX units
[16:32] <daveake> BWELLS in grass :) http://ssdv.habhub.org/images/2015-06-29--16-28-03-BWELLS-28D6.jpeg?u=32
[16:32] <infaddict> yep, i only used i2c due to lack of serial ports
[16:32] <darts> I am using serial
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[16:32] <adamgreig> infaddict: yea, that's the only reasons I've used it too
[16:32] <darts> I have tried to understand i2c and failed
[16:32] <adamgreig> still regret it though, i2c is pretty horrid to contend with
[16:32] <adamgreig> reliably anyway
[16:32] <infaddict> darts stick to serial, works fine
[16:32] <darts> anyone knows it here really well enough?
[16:33] <adamgreig> yea use serial for your gps
[16:33] <adamgreig> i could explain i2c in a nutshell if you want
[16:33] <darts> sure, please do
[16:33] <darts> thanks
[16:34] <adamgreig> so with serial you have two data lines, TX and RX. for the GPS to talk to your microcontroller, it just drives its TX line to +5V or 0V respectively
[16:34] <adamgreig> the micro reads that line at some regular interval to get bits off it, where +5V means '0' and 0V means '1' or something like that
[16:34] <adamgreig> i2c is a different way of doing things
[16:34] <darts> ok
[16:34] <adamgreig> you have two lines, SCL and SDA, where SCL is a 'clock' and tells everybody involved what time to read the data, which is on SDA
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[16:35] <adamgreig> this means that SDA is used to send data in both directions, which means both devices must be able to 'set' it without conflicting
[16:36] <adamgreig> the way this works is called 'open drain', and basically means that devices (like the GPS or your microcontroller) only set the bus to 0V for a '0', and they essentially disconnect from it to signal '1'
[16:36] <adamgreig> then you have a resistor on the bus line that brings it back up to 5V when it's disconnected
[16:36] <adamgreig> this clever trick means that both devices can use the same single data line to talk both ways
[16:37] <adamgreig> the problem is that this means there needs to be a more sophisticated protocol between the devices to agree on who talks when and so forth
[16:37] <adamgreig> so the way i2c works is that the 'master' (your microcontroller) will always drive the clock line when it wants to communicate
[16:37] <adamgreig> and it first transmits some slave address, which is specific to the device it's talking to, and is 7 bits long
[16:38] <adamgreig> plus it sends one bit to say whether it wants to read or write
[16:38] <adamgreig> if it's reading, for example to get data from the ublox
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[16:38] <adamgreig> it then continues to set the clock high/low, but does not touch the data line, and instead just reads it
[16:38] <adamgreig> the slave device (the GPS) notices its address being sent, and then writes a bit to the data line every time it sees the clock line get changed by the master
[16:38] <darts> and the slave knows that it needs to transmit
[16:39] <adamgreig> the master then reads the data line every time it changes the clock, to get the data from the slave
[16:39] <darts> so does the GPS module need extra software for this to work?
[16:39] <adamgreig> if they used the same thing as in serial, where the line is actively driven both high and low, then this would not work - the master would always be driving the data line either 0 or 5, so the slave could not change it
[16:40] <adamgreig> but because they only drive it low, and disconnect (called high-z or high-impedance) to let it return high by itself, it's possible for the master to disconnect from the data line and the slave to change it
[16:40] <adamgreig> the GPS module comes with support for I2C, and your microcontroller typically will do as well
[16:40] <adamgreig> but your software running on the microcontroller does need to be special to use i2c, and it's more difficult to write
[16:40] <adamgreig> you have to worry about a lot more protocol details in i2c than in serial, so it's more complicated
[16:41] <infaddict> yer, and the arduino i2c libraries are flaky
[16:41] <adamgreig> for instance, you have to have a slave address, and you have to know a location on the slave to read from, and there are details about start and stop and acknowledge conditions
[16:41] <infaddict> i found a few bugs that really annoyed me
[16:42] <adamgreig> if the i2c gets into a bad state it can become impossible to resume without power cycling everything
[16:42] Action: infaddict awaits backlash for using arduino libraries
[16:42] <adamgreig> meh, you use whatever is expedient
[16:42] <adamgreig> most i2c libraries probably have annoying bugs
[16:42] <infaddict> this was a hidden 32 char buffer
[16:42] <infaddict> no error, just chopped off data
[16:42] <darts> wow
[16:42] <adamgreig> haha oh yea I've seen that
[16:42] <darts> that is interesting that i2c libraries have bugs
[16:43] <adamgreig> awful
[16:43] <darts> glad that I asked
[16:43] <adamgreig> most libraries have bugs
[16:43] <darts> I have a tendency to take the harder route in the name of learning
[16:43] <darts> :)
[16:43] <adamgreig> i2c has a lot of state, and state leads to worse bugs
[16:43] <infaddict> so stick to serial darts, the concept is simpler and more help/examples out there to look at
[16:43] <adamgreig> I really strongly recommend using serial for gps, at least to start with
[16:43] <adamgreig> plenty of other hard things
[16:43] <adamgreig> the i2c is just annoying and a pain and no benefit
[16:44] <adamgreig> the only reason it's really a thing is because unlike serial, it means you can have very many - up to like 255 - different devices on those same two wires
[16:44] <adamgreig> and talk to all of them
[16:44] <adamgreig> in practice this is quite rare and it's just a pain
[16:44] <darts> I see
[16:44] <infaddict> what model arduino do you have darts?
[16:44] <adamgreig> you could not do this with multiple GPSs for example, because they all have a fixed address
[16:44] <darts> I have the Uno
[16:44] <darts> and I am trying to see if I should the Raspi
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[16:46] <darts> ok, thanks everyone
[16:46] <darts> that was good discussion
[16:46] <darts> thanks to Adamgreig and infaddict :)
[16:46] <darts> bfn
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[16:47] <infaddict> i was about to say the Uno only has 1 serial, so makes debugging a bit harder
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[17:08] <Ian_> Perhaps it's just me, but dart 's image at [1712], on a plastic table not near any metal . . . metal grill on the window perhaps may eventually contribute, once the other issues are sorted?
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[17:09] <Ian_> fsphil re rotation of images either the 'convert' command from the Linux command line (it's an imagemagick built in) http://unix.stackexchange.com/questions/92871/how-to-rotate-all-images-in-a-directory-with-imagemagic
[17:10] <Ian_> imagemagick is also available for Window, but not sure of the detail.
[17:10] <infaddict> yep Ian_ i noticed the metal bars too. but thought 0 antenna was most pressing issue.
[17:10] <Ian_> OK, just as long as we all bear it in mind for later in the game.
[17:10] <infaddict> my small chip antenna is rather sensitive to thing slike that
[17:11] <infaddict> on sundays launch it wouldnt lock on when next to Upu's back up tracker. moved it a few feet away and locked on right away.
[17:11] <Ian_> Probably the buiding is called "Faraday House", just from irony.
[17:11] <infaddict> lol
[17:11] <daveake> iron-y ?
[17:12] <luteijn|pc1pcl> his active antenna with long cable could come in handy though, to be stuck out between the bars on a stick
[17:12] <Ian_> Lol
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[17:12] <infaddict> dave, reviewing the video of INFCU1 now. the rain pounding on the tarp is unbelievable.
[17:13] <Ian_> Long sticks and poles are good HAB accessories.
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[17:15] <Ian_> s/accessories/essentials
[17:16] <dsockwell> but not graphite poles
[17:16] <dsockwell> never graphite or aluminum
[17:16] <dsockwell> or steel
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[17:24] <infaddict> just looking at stats from INFCU1. Didnt expect such a nosedive in temperatures during the post-burst free fall. internal almost matches external! http://i.imgur.com/xQ3GI2h.jpg
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[17:27] <infaddict> and here's the velocity rollercoaster: http://i.imgur.com/nCgbf4i.jpg
[17:28] <infaddict> Question: I notice a steady increase in ascent rate until burst. Is this normal?
[17:28] <infaddict> or could it be due to the soaking wet payload/line drying out perhaps
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[17:29] <adamgreig> long story
[17:29] <adamgreig> by which I mean, I tried to model balloon ascent rates once
[17:29] <adamgreig> now I assume they are constant
[17:29] <lz1dev> how can velocity be negative ;(
[17:30] <infaddict> yer its not velocity, its ascent/descent in metres per second
[17:30] <Ian_> It's dependent lz1dev, on whether you are coming or going :)
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[17:31] <infaddict> yer adamgreig, i'd expected a fairly constant ascent rate, but that graph shows a definite slow increase
[17:31] <infaddict> havent had time to smooth the lines yet but you can see it
[17:31] <adamgreig> yea it's definitely not really constant
[17:32] <adamgreig> for that same reason the burst calculator is basically a lie
[17:32] <lz1dev> wut
[17:33] <infaddict> wasnt sure if that was "normal" i.e. observed a lot, or had something to with the wet weather... or the fact we ploughed a whole 5.2m3 of helium just to get the wet thing off the ground!
[17:33] <adamgreig> all of those things are no doubt contributing factors
[17:33] <adamgreig> it's normal for it to not be quite constant
[17:33] <infaddict> ok thx
[17:33] <adamgreig> your pattern is abnormal, in that I tend to observe a sort of increase and then decrease again
[17:34] <adamgreig> but that could well be down to the amount of water or helium or who knows what else
[17:34] <infaddict> mhy thinking was the balloon and line and payload were wet. the line was soaking and probably doubled in weight when wet. I think above the cloud in the sun it mightve dried out.
[17:35] <infaddict> i did a quick test and reckon the payload mightve been 200g heavier due to weather
[17:35] <adamgreig> yep it's quite conceivable
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[17:38] <daveake> By far the wettest flight I've been involved with
[17:38] <daveake> Well, at launch anyway
[17:39] Action: daveake remembers an afternoon in Oxfordshire chasing Upu's flight ...
[17:39] <Upu> 0
[17:39] <infaddict> Sorry about that daveake. Your involvement under severe bombardment will be mentioned in dispatches.
[17:39] <daveake> haha ta :)
[17:39] <infaddict> i'd actually half forgotten how bad it was until doing this video editing
[17:39] <daveake> btw netbook keyboard didn't dry out to a fully functioning state, so I have a new one coming
[17:40] <infaddict> urgh no way
[17:41] <daveake> new keyboard don't panic!
[17:41] <daveake> they're very cheap
[17:41] <daveake> next time it can stay in the car :)
[17:42] <fsphil> Ian_: yea I thought about hacking something up with convert, but there where other parts of the ssdv code that would need changed and I didn't want to break it during a live flight
[17:43] <fsphil> jpegtrans could probably even do it losslessly
[17:43] <daveake> It would have been so easy for them to fix it on the Pi
[17:43] <fsphil> yea
[17:43] <daveake> Suppose I should add an option
[17:43] <mattbrejza> well at least you didnt leave it on a car roof..
[17:43] <daveake> haha :)
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[17:46] <Ian_> fsphil, I never actually thought about using convert in a script as part of a greater system, I was thinking of a small script just to invoke as post processing where it might be of benefit.
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[17:49] <Ian_> infaddict, will a large plastic see through bag for the new lappy be part of your HAB equipment or will you just avoid the worst of the weather?
[17:49] <infaddict> definitely Ian_ - we had one but it wasnt adequate (and we needed more than one). rain was that heavy it seemed to get everywhere.
[17:50] <infaddict> luckily for recovering it held off bar the odd v light drop
[17:50] <infaddict> if i lived locally i wouldve cancelled definitely
[17:50] <infaddict> but what the heck, if i have managed to launch in that, surely it can only get better?!
[17:50] <adamgreig> could you have waited for the rain to sod off?
[17:50] <infaddict> adamgreig: wind forecast was against us... was already too high and getting worse
[17:50] <infaddict> ground wind i mean
[17:50] <adamgreig> ah ok
[17:50] <daveake> Well the wind was forecast to increase (and wasn't goo already)
[17:52] <Ian_> I keep bees twenty miles from home, so understand that sometimes walking away is not as convenient or possible as it might otherwise be.
[17:55] <Ian_> It's certainly going to be a flight that you will always remember - that's important too and good that it went passably well enough to put a big grin on your face. Well done!
[17:55] <adamgreig> yea full marks really
[17:55] <adamgreig> bonus hab point for commitment sufficient to launch in a downpour
[17:55] <fsphil> just don't do that with a floater :)
[17:56] <infaddict> thx. im kinda most proud that i started with "electronics for dummys" 5 months ago, designed a PCB and got it made, coded it all myself and it actually worked.
[17:56] <adamgreig> fantastic
[17:56] <adamgreig> what are you going to do next?
[17:56] <infaddict> already designing a better payload system. need better camera, thinking of Go Pro or similar.
[17:56] <eroomde> cancer needs solving still
[17:56] <fsphil> it's tradition to pack everything possible into your second flight :)
[17:56] <eroomde> yes
[17:57] <adamgreig> thinking of anything beyond just taking photos?
[17:57] <eroomde> go mad on the second system syndrome
[17:57] <eroomde> you've nothing to prove anymore :)
[17:57] <infaddict> i think a separate tracker to camera is beneficial
[17:57] <infaddict> as camera couldve been started in a dry car
[17:57] <infaddict> my future designs will be as weather proof as possible lol
[17:58] <mattbrejza> we made a payload which can be powered from an external source on the ground to save payload batteries
[17:58] <adamgreig> does it have an umbilical?
[17:58] <mattbrejza> yep
[17:58] <infaddict> i would firstly like to try again and get better video of a higher altitude. after that I like the sound of floaters, but also of trying to make lighest tracker possible for high up.
[17:58] <adamgreig> lightest possible is always a scary thought
[17:58] <infaddict> got some 3d printed enclosures in my head too
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[17:59] <mattbrejza> consider laser cutting too ;)
[17:59] <michemto> Video from StratosChem #2 launch - https://youtu.be/4nDilGo9As4
[18:00] <infaddict> nice michemto. now you've made my iMovie attempt look rather crap ;-)
[18:00] <michemto> Eh? :D I haven't seen it
[18:00] <infaddict> haha only joking. editing it now.
[18:00] <infaddict> yours looks very good.
[18:00] <infaddict> and i even see blue sky
[18:01] <Geoff-G8DHE-Tab> infaddict, see your pm!
[18:01] <infaddict> some great shots hi up
[18:01] <infaddict> what was camera michemto?
[18:01] <michemto> @infaddict, share your link please :) I haven't seen yours yet
[18:01] <michemto> Had one GoPro 3+ black and one 4 silver ed
[18:02] <eroomde> you've bunnysuited your launch team!!
[18:02] <infaddict> sure michemto - when its ready i will share here. all i have is onboard movie and some stills, so not a full production
[18:03] <eroomde> https://www.dropbox.com/s/p0awm9c0k2txsz9/Screenshot%202015-06-29%2019.02.16.png?dl=0
[18:03] <eroomde> what did the poor guys do to deserve that
[18:03] <infaddict> what altitude did you reach michemto?
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[18:03] <michemto> had like 55x2gb + 34GB from our launch site
[18:03] <michemto> and then 3gb aerovideo
[18:05] <fsphil> quad copter video the launch?
[18:05] <fsphil> it's a great shot
[18:05] <infaddict> yep
[18:06] <infaddict> i'm looking at go pro's but was concerned at the 2.5 hr duration limit on the model i was looking at
[18:06] <michemto> @eroomde, Well as long as our last launch didn't end as we hoped.... then we had to take some extra security measurements... (well f*ck my english :( )
[18:06] <fsphil> someone somewhere may have been wondering what the orange rain was
[18:06] <michemto> It was hexacopter i guess... Wasn't mine though
[18:07] <michemto> My battery will die soooon... :( will join with you later. Share if you can... knowledge is our profit :)
[18:08] <fsphil> oooh tree landing
[18:08] <fsphil> lucky, could've been worse!
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[18:47] <MikkMihkel> I really need help with adding flight data to payload video...
[18:48] <MikkMihkel> Has anyone Dashware skill?
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[18:58] <SpeedEvil> Payload video?
[18:58] <SpeedEvil> Transmitted how?
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[19:00] <infaddict> is it possible to get the flight path of INFCU1 back onto the map overlay?
[19:01] <lz1dev> .ping infcu1
[19:01] <SpacenearUS> 03lz1dev: Last contact with 03INFCU1 was 03a day ago
[19:01] <lz1dev> .tracl infcu1
[19:01] <lz1dev> .track infcu1
[19:01] <SpacenearUS> 03lz1dev: Here you go - 12http://tracker.habhub.org/#!qm=All&q=infcu1
[19:01] <lz1dev> ^
[19:01] <infaddict> wow thx lz1dev
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[19:37] <jcoxon> did PROSP get recovered?
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[19:39] <jcoxon> so PROSP landed right next to where i launched Pegasus I back in 2005
[19:40] <daveake> I don't know, but Steve did get landing positions from all 3 flights
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[19:53] <Upu> I'd be surprised if he didn't collect them
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[21:50] <Ian_> upu re your UKHAS Mailing List mail of 26 June, does this just relate to naked chips or to breakout boards as well. I believe the former, but am unsure.
[21:51] <Upu> just the naked modules
[21:51] <Ian_> I guess you have some people worried . . . A bit like Freddie Laker did and now we have EasyJet and RyanAir to mention but two.
[21:52] <Upu> well its all Ublox being Ublox
[21:53] <daveake> You'rte suggesting that Upu starts an airline where the stewardesses all where pink ??
[21:53] <Upu> win
[21:53] <daveake> wear
[21:53] <daveake> "Oh, you want a UBlox with flight mode? That's an extra £20"
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[22:07] <Lunar_Lander> good mnight
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[22:11] <Ian_> That might not be such a bad idea. I lived near Turnhouse airport in the early 70's and going for a Sunday newspaper was nice with all the attractive hostesses of the day passing through
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[00:00] --- Tue Jun 30 2015