highaltitude.log.20140504

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[06:50] Action: SP9UOB-Tom is gone. Gone since Sat May 3 20:51:00 2014
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[06:57] <Maxell> Morning'
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[07:43] <DL7AD> morning.... theres KT5TK-3 onn aprs flying
[07:43] <Reb-SM3ULC> morrn!
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[07:43] <Reb-SM3ULC> echo-flight by leo ;)
[07:44] <Reb-SM3ULC> DL7AD: cool. going to houston on friday.
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[07:47] <DL7AD> hi Reb-SM3ULC
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[08:21] <DL1SGP> good morning fellow hab enthusiasts!
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[08:41] <Upu> ping mclane
[08:41] <Upu> about ?
[08:41] <mclane_> hello upu
[08:41] <Upu> morning
[08:41] <Upu> may I remove the track from spacenear.us ?
[08:41] <mclane_> yes, you can do that
[08:41] <Upu> thanks
[08:42] <mclane_> jsut a quick question - pm
[08:42] <Upu> sure
[08:42] <mclane_> *just
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[09:02] <DL1SGP> Congrats on the pretty flight mclane es PYSY team :)
[09:04] <mclane_> thanks for tracking - das war ein Flug mit Hindernissen!
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[09:04] <DL1SGP> ja wetter war nicht so nett bei euch im süden, hier im norden war blauer himmel :)
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[09:04] <DL1SGP> aber hat am ende ja alles geklappt um zum glück ist er östlich der strasse runtergekommen
[09:04] <DL1SGP> erm westlich nicht östlich
[09:05] <mclane_> war ziemlich windig beim Start; deshalb konnten wir den Necklift nicht richtig bestimmen
[09:05] <mclane_> außerdem ist er beim Start zwei mal auf den Boden geschlagen; deshalb ist die Kamera wohl verrutscht und es gab nur Bilder vom Himmel
[09:06] <DL1SGP> bild 48 sieht interessant aus :)
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[09:26] <daveake> Did GGRN get recovered yesterday?
[09:27] <eroomde> yuri guess is as good as mine
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[09:27] <daveake> Hope it didn't come to naut
[09:29] <eroomde> it looked quite complicated - maybe they didn't have enough experience with hab, orbit off more than they could chew
[09:33] <DL1SGP> daveake: I have not heard any info on GGRN, maybe S_Mark will know
[09:33] <S_Mark> Hi, as far as I could tell on twitter they recovered their payload yesterday. A lot of balloon still attached.
[09:35] <S_Mark> https://twitter.com/horizonqmgs/status/462577292397801472
[09:35] <LeoBodnar> i need something to track
[09:36] <DL1SGP> Launch B-50 :)
[09:36] <S_Mark> still launching today daveake?
[09:36] <DL1SGP> morning LeoBodnar
[09:36] <LeoBodnar> it's obsessive-tracking disorder
[09:36] <LeoBodnar> morn
[09:37] <DL1SGP> Hi S_Mark thanks for sharing that tweet :)
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[09:56] <daveake> S_Mark Hope so. Wind is a tad high
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[09:57] <DL1SGP> moin sven :D
[09:57] <daveake> Well the latex remnants explain the landing speed
[09:57] <DL7AD> huhu felix :D
[09:57] <DL7AD> DL1SGP: hab wat dir dich :D http://www.bildschirmarbeiter.com/content/images/picdump-14-05-02/picdump-14-05-02-080.jpg
[10:01] <LeoBodnar> much balloon
[10:03] <DL1SGP> lol sven :)
[10:06] <SP9UOB-Tom> looks promissing for high speed downlink: http://www.limemicro.com/download/LMS6002Dr2-DataSheet.pdf
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[10:40] <RocketBoy> EARS launch in about an hour
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[11:02] <malgar> what are the nicknames of PYSY team members?
[11:02] <eroomde> mclane
[11:02] <eroomde> maybe more, dunno
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[11:04] <DL1SGP> hi malgar :)
[11:05] <malgar> ciao DL1SGP
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[11:42] <Laurenceb_> hi RocketBoy
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[11:52] <malgar> I would like to self measure the voltage of the arduino battery. Is right this way? http://www.twiddla.com/1608405
[11:55] <malgar> who destroyed my draw? :\
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[12:06] <RocketBoy> EARS away
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[12:16] Nick change: polde____ -> polde
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[12:17] <G4MYS-Andy> EARS what frequency please
[12:17] <DL7AD> RocketBoy: frequency?
[12:17] <G4MYS-Andy> No frequency no tracking!
[12:17] <RocketBoy> 434.650
[12:17] <RocketBoy> yreah
[12:18] <G4MYS-Andy> mny tnx
[12:19] <DL7AD> rtty-50 7n2
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[12:21] <DL1SGP> goedendag Wouter
[12:22] <PA3WEG> Dag Felix
[12:23] <PA3WEG> long time no see for me
[12:23] <PA3WEG> too busy doing satellites
[12:23] <DL1SGP> have not been around much either :) so I would say I did not notice your absenty :)
[12:24] <DL7AD> RocketBoy: hwo much power does it have?
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[12:24] <RocketBoy> 10mw
[12:25] <RocketBoy> ntx2
[12:25] <DL7AD> sounds like it does less
[12:25] <RocketBoy> it belongs to some guys from the uni of surrey - just helping them launch today
[12:27] <RocketBoy> cant comment on the veracity of the RF cct - looked ok
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[12:28] <PB0NER> Hi all. just entered the chat...
[12:28] <DL1SGP> hi PB0NER :)
[12:28] <PB0NER> what happens with EARS? no F, Not in dl-fldigi
[12:29] <PB0NER> Hi, DL1SGP
[12:29] <DL1SGP> PB0NER: 434.650 rtty-50 7n2
[12:29] <PB0NER> where did you get that?
[12:29] <PA3WEG> thanks Felix
[12:29] <PA3WEG> I was wondering the same thing
[12:31] <craag> Yeah, uni team - do you really expect they thought about a flight doc?
[12:31] <DL1SGP> hehe craag
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[12:31] <craag> Launch announcement? - LOL
[12:31] <DL7AD> craag: yes here and now
[12:31] <daveake> Check if anyone else is using that frequency today ....
[12:31] <daveake> (though it's OK for time anyway)
[12:32] <PB0NER> indeed...
[12:32] <craag> DL7AD: That was Steve that announced it - not them.
[12:32] <DL1SGP> daveake: hope wx will permit you to get the sunset pictures you are aiming for later today
[12:32] <daveake> Well, need less wind first
[12:33] <daveake> http://imgur.com/2o7oS3o
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[12:33] <craag> yeesh
[12:34] <DL1SGP> yikes
[12:34] <daveake> So probably not happening
[12:35] <bertrik> just wondering, when using SDR# to receive, should AGC in SDR# be on or off?
[12:36] <bertrik> so far, it's always been on here
[12:37] <SkippyUK> http://doesukiphateyou.co.uk/
[12:39] <bertrik> what's the frequency shift on EARS? around 330/340 ?
[12:39] <PE2G> PB0NER: How's the signal?
[12:39] <PB0NER> not to bad
[12:39] <PE2G> Ok
[12:39] <G4MYS-Andy> around 356
[12:40] <PB0NER> $$EARS,210,12:39:458Y10.#0[wl000009.8"',5~?.6,rx6E*G0
[12:40] <Upu> no flight doc for this one
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[12:41] <craag> Upu: uni team ;)
[12:41] <Upu> sigh
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[12:41] <Upu> turning off TX
[12:41] <Upu> sigh
[12:41] <DL1SGP> heh Upu :)
[12:41] <Upu> transmitting non parsed location
[12:41] <Upu> sigh
[12:42] <Upu> at least its not drifting :)
[12:43] <bertrik> what do you mean by "non parsed location"?
[12:43] <Upu> 05209.28117,000012.62261
[12:43] <Upu> i.e not decimal
[12:44] <craag> ddmm.mmmm
[12:44] <craag> horrible format
[12:44] <bertrik> ok, so it'll jump around a bit on the map, right?
[12:44] <craag> bertrik: No, habitat copes with it
[12:44] <Upu> no its fine
[12:45] <craag> But if you're out chasing, and all you've got is a telemetry line, no internet, and a gps app
[12:45] <craag> it can get a bit confusing
[12:46] <craag> plus transmitting leading zeroes is never optimal
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[12:47] <Upu> yeah if you need a calculator to work out where your payload is you're doing it wrong
[12:48] <Upu> how come no one else is RXing it ?
[12:48] <G4MYS-Andy> its got cronic QSB and get get a whole string
[12:48] <LeoBodnar> RXing what?
[12:48] <LeoBodnar> is something up?
[12:48] <Upu> yeah its not a great signal
[12:48] <DL1SGP> EARS
[12:48] <PB0NER> $$EARS
[12:49] <G4MYS-Andy> E A R S from Cambridge
[12:49] <DL1SGP> have some ears on your waterfall LeoBodnar :)
[12:49] <G4MYS-Andy> on 434.651Mhz
[12:49] <Upu> missing the call sign
[12:49] <DL7AD> EARS
[12:49] <bertrik> it's relatively weak here (hackerspace revspace, the hague, netherlands) even though we're well inside horizon now
[12:50] <PE2G> I've occasional traces on the waterfall
[12:50] <PB0NER> horizon is nice indication, I often decode when I'm out of the blue circle
[12:50] <craag> DL7AD: Hows the signal on the websdr?
[12:51] <DL7AD> craag: bad
[12:51] <DL7AD> weak
[12:51] <craag> It's not very sensitive so will be struggling.
[12:52] <DL7AD> craag: but it has a good antenna. i can hear leos balloons everytime down to the horizon
[12:53] <DL7AD> and a bit below
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[12:53] <G4MYS-Andy> I wonder what the aerial is? and details on the aerial as it seems mto suffer deep QSB which will make tracking difficult
[12:53] <LeoBodnar> wtf GAGARIN?
[12:53] <LeoBodnar> is it ears?
[12:54] <craag> DL7AD: Yep, it's re-screened rtlsdr, in a shielded box, with HABamp at the masthead and one of G8JNJ's helix dipoles - we've worked hard on it :)
[12:54] <DL7AD> craag: well done. i like this sdr
[12:55] <craag> We're hoping that Pieter will release his HTML5 version soon, which will also allow us to add more dongles.
[12:55] <craag> 70cm sat band will be next
[12:55] <craag> then maybe 6m.
[12:56] <LeoBodnar> much zeros wow
[12:56] <craag> or 3.4GHz, if antenna is ready by then.
[12:56] <LeoBodnar> ,05204.62167,000023.2013
[12:56] <PB0NER> that is the kind of results I get here (NL)
[12:57] <G4MYS-Andy> $$EARS,241,12:55248,05204.62167,0000.l301y2007 -2925*3d29
[12:57] <PE0SAT> Hi all
[12:57] <PB0NER> hi PE0SAT
[12:57] <DL1SGP> hi PE0SAT
[12:57] <PE0SAT> Lat of fading on EARS
[12:57] <PE0SAT> and no decode
[12:57] <PA3WEG> Hi Jan
[12:57] <bertrik> PB0NER: what frequency shift are you using?
[12:57] <PE0SAT> He Waouter
[12:58] <PB0NER> bertrik: i'm at 330
[12:58] <G4MYS-Andy> it has an intersting QSY tail on the right hand trace on start of tx any thoughts?
[12:58] <g0hww> shift of 330Hz looks good to me
[12:58] <PA3WEG> bertrik: how is the USB reverse engineering going on?
[12:58] <PE0SAT> Hi Wouter
[12:58] <Upu> G4MYS-Andy yeah it sucks :)
[12:58] <Upu> they are powering it down
[12:58] <Upu> which is daft
[12:59] <PA3WEG> nothing here yet on the vertical....
[12:59] <PA3WEG> but I am shielded by another building
[12:59] <PE0SAT> bertrik: Could you share your RTTY settings
[12:59] <PB0NER> $$DARS,^/<12:58:55,0520.1306 000025.p=77013409mb1,6l04*1a75VsY0Ix[
[12:59] <bertrik> PA3WEG: about 20 people there I think
[12:59] <Upu> not sure what antenna they are using but it sounds uneven
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[12:59] <Upu> 434.650 7N2 50 baud
[12:59] <PB0NER> rtty-50 7n2 shft 330
[12:59] <Upu> shift is 320
[13:00] <bertrik> PE0SAT: what Upu said, except I'm using 330 Hz shift
[13:01] <PA3WEG> back to the shack, lets see if something appeared
[13:01] <PE0SAT> Thanks all, there it is ;-)
[13:01] <bertrik> I'm getting about 90% of the characters right I estimate, but no complete valid lines yet
[13:05] <PB0NER> me2
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[13:06] <G4MYS-Andy> At last!! gents use 340Hz shift!!!!
[13:07] <PE0SAT> Signal is getting better
[13:08] <PB0NER> looks like the shift is changing as it seems
[13:08] <PE2G> G4MYS-Andy: 340 Shift work here too. First green
[13:08] <tweetBot> @daveake: I'm calling this launch off today. Winds have been a bit iffy since mid-morning and are getting worse. #raspberrypi #UKHAS
[13:08] <LeoBodnar> wait is it HP?
[13:08] <PB0NER> $$EARS,265,13:0884,8602.3955,000028.80142,15204.7,19209,-17,23*9167
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[13:09] <chrisg7ogx> can i have a frequency for "Ears" please?
[13:09] <Upu> 650
[13:09] <Upu> 7N2 50 330 shift
[13:09] Nick change: nigelvh -> Guest30082
[13:10] <chrisg7ogx> tks Upu
[13:10] <Upu> its turning off between TX's
[13:10] <Upu> so if you don't see it immediately just wait
[13:10] <Rob_m0dts> some big fading to battle with but good signal on peaks from EARS
[13:10] <chrisg7ogx> see it!
[13:10] <DL1SGP> Upu, that is for saving the power thay waste on sending zeroes, isn't it? :)
[13:10] <Upu> yeah I'm suspecting a non optimal antenna
[13:10] <LeoBodnar> it seems to ue QAM
[13:11] <Upu> yeah those zeros are a waste of time
[13:11] <Upu> mind you someone was transmitting 'm' after the altitude the other day
[13:11] <Upu> in other news pope a catholic and the sun will come up in the morning
[13:11] Action: daveake considers transmitting in feet
[13:11] <daveake> with sibot installed
[13:11] <craag> SIbot: slap daveake
[13:11] <Upu> haha
[13:11] <DL1SGP> lol
[13:12] <LeoBodnar> dubstep
[13:12] Nick change: Upu -> Upu_M0UPU
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[13:13] <mfa298> I'm not liking the look of that prediction if it bursts >33km (as the predictor is set for)
[13:13] <Upu_M0UPU> nope
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[13:13] <mattbrejza> hmm the chase team is taking a trip thru cam on a sunny bank holiday weekend
[13:14] <mattbrejza> i guess not intentional
[13:14] <mfa298> then again 3.3m/s could be heading towards float territory.
[13:14] <mattbrejza> theyre gonna have to get a move on at this rate
[13:14] <Upu_M0UPU> did that payload get recovered yesterday ?
[13:14] <Upu_M0UPU> the one that came in at 12m/s ?
[13:14] <craag> mfa298: Nah, it's a uni team; payload will be too heavy
[13:14] <DL1SGP> yes
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[13:14] <Upu_M0UPU> where had it landed ?
[13:14] <LeoBodnar> $$ARS
[13:15] <craag> LeoBodnar: Missing an E there, off the end perhaps?
[13:15] <DL1SGP> Upu_M0UPU: https://twitter.com/horizonqmgs/status/462577292397801472
[13:15] <Lunar_Lander> hello
[13:15] <LeoBodnar> fading+zeros+RTTY is not much fun
[13:16] <DL1SGP> Einen wunderschönen guten Nachmittag Kevin :)
[13:16] <Upu_M0UPU> glad it didn't do any harm
[13:16] <Lunar_Lander> hallo :)
[13:16] <Upu_M0UPU> hi Lunar
[13:17] <Lunar_Lander> ah it is nice to see that we have a very dense RX network all over the UK now
[13:17] <Lunar_Lander> hi Anthony
[13:17] <craag> Afternoon Lunar_Lander
[13:17] <Lunar_Lander> hi craag
[13:17] <Lunar_Lander> how are you all?
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[13:17] <craag> Good ta!
[13:17] <Lunar_Lander> :) cool
[13:18] <Lunar_Lander> I have Dunhills Wine Gums :)
[13:18] <dennis__> hi guys on which frequency is balloon ears?
[13:18] <G4MYS-Andy> Lunar I am frustrated trying to copy this thing!
[13:19] <PB0NER> 434650
[13:19] <PB0NER> rtty 50
[13:19] <PB0NER> 7n2
[13:19] <Lunar_Lander> oh
[13:19] <Lunar_Lander> sorry
[13:19] <PB0NER> sft 330-340
[13:19] <mattbrejza> a nice always tx on, non fady, strong signal would be boring right?
[13:20] <Martin_G4FUI> Not very strong here in Cumbria, partials only ...
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[13:20] <craag> mattbrejza: especially one with a fading-immune mode, rsid to track drift, and solar so it never ran out of battery - yawn...
[13:21] <PB0NER> hmm more chase carse needed!
[13:21] <PB0NER> chase
[13:21] <LeoBodnar> chase case
[13:21] <PA3WEG> bertrik is on the money ;)
[13:21] <DutchMillbt> Hi all what is EAR´s frequency=
[13:21] <PA3WEG> 434.650
[13:22] <DutchMillbt> thankz Wouter
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[13:22] <PB0NER> rtty50 7n2 shft 330-340
[13:22] <PA3WEG> keep that in the paste buffer Martijn ;)
[13:23] <DutchMillbt> Grr.. Just a load of QRM can´t decode
[13:23] <PB0NER> ears: 434.650 rtty50 7n2 shft 330-340
[13:23] Last message repeated 1 time(s).
[13:23] <PB0NER> :)
[13:23] <daveake> That's an earful
[13:23] <PB0NER> $heARS
[13:23] <PB0NER> lol
[13:23] <dennis__> Guys I heard you talking yesterday about high altitude ballooning at 430.350
[13:24] <dennis__> Interesting!
[13:24] <PB0NER> cool... there is a repeater txing on that f here!
[13:25] <PB0NER> oh... remeber that
[13:25] <PA3WEG> yes, that would be interesting
[13:25] <PA3WEG> and its the OUTPUT, not the input
[13:26] <PA3WEG> oh wait....
[13:26] <PB0NER> I was part of that QSO.. with PD1ODE
[13:26] <PA3WEG> yes, same here
[13:26] <PB0NER> explaning
[13:26] <PA3WEG> I thought you meant launching a HAB on that Freq
[13:27] <PA3WEG> but now I get it....
[13:27] Action: PA3WEG wakes up :P
[13:27] <PA3WEG> Welcome dennis__
[13:27] <dennis__> Thank you
[13:27] <dennis__> I'm in ZHN
[13:28] <PB0NER> ZHN?
[13:28] <PB0NER> I'm in Pijnacker
[13:28] <PA3WEG> Voorburg
[13:28] <dennis__> I know :)
[13:28] <PB0NER> u r welcome to see stuff in action
[13:28] <dennis__> Saw your calls on spacenearus
[13:29] <PA3WEG> link to the video I mentioned: https://www.youtube.com/watch?v=MFnbWy5kFIU
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[13:29] <PA3WEG> that was the launch that Jeroen also attended
[13:29] <dennis__> I just ordered the books for the N exam at the VERON site
[13:29] <dennis__> :)
[13:30] Action: DL1SGP serves PA3WEG a fresh mug of coffee
[13:31] Action: PA3WEG thanks felix and retreats to kitchen ;)
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[13:42] <chrisstubbs> What frequency is EARS on?
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[13:42] <Upu_M0UPU> 650
[13:42] <PB0NER> ears: 434.650 rtty50 7n2 shft 330-340
[13:42] <PE2G> 434.651.6 MHz
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[13:49] <chrisstubbs> Cheers got it, quite close to me but proving tricky to get a decode
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[13:52] <Upu_M0UPU> yeah its not a great signsal
[13:53] Nick change: Guest30082 -> nigelvh
[13:55] <chrisstubbs> Is this one of Steve's?
[13:55] <Upu_M0UPU> I suspect not
[13:55] <Upu_M0UPU> Steve's work
[13:55] <craag> No - It's a surrey uni launch
[13:55] <chrisstubbs> Hah ;)
[13:55] <craag> Steve just helped with the launch itself
[13:56] <chrisstubbs> Thought he might have done one for the rocket club hence the name
[13:56] <chrisstubbs> yay decodes
[13:58] <malgar> what about this? "LPD devices must only be used with the integral and non-removable antenna with a maximum legal power output of 10 mW." en.wikipedia
[13:59] <malgar> ***integral and non-removable antenna***
[13:59] <adamgreig> obviously this depends on the actual law for a given country. wikipedia is not exactly the best source
[14:00] <adamgreig> it's not like the NTX2s come with any integral or non removable antenna anyway - whoever is constructing a LPD uses an NTX2 and also creates an antenna to make the whole device, and then they must be sure it meets legal requirements. in the UK. probably.
[14:00] <adamgreig> if you're really worried, hire a lawyer.
[14:01] <malgar> ok
[14:03] <dennis__> @PBONER Zevenhuizen, at the other side of the rotte
[14:03] <G4MYS-Andy> integral is an interesting word integral to what I ask? as the unit is the ballon housing something which is inside that is integral English is an intersting language bit like "should" which most understand to bemust which really means " if you want"
[14:06] <Upu_M0UPU> btw they had a flight doc which I've now approved
[14:06] <PB0NER> dennis__: that is not that far
[14:07] <dennis__> I signed up at veron a17 last month
[14:07] <dennis__> I want to get my license
[14:07] <PB0NER> a17, is that Gouda?
[14:07] <dennis__> Yes that is correct
[14:08] <PB0NER> ztm is pretty active
[14:08] <LeoBodnar> integral means you can't put BNC and suggest using standard Yagi or even put one in th ebox
[14:08] <PB0NER> I'm gone for 60secs
[14:08] <PB0NER> times ?
[14:08] <PB0NER> brb
[14:09] <LeoBodnar> maybe "non-user-replaceable" would be better
[14:09] <LeoBodnar> even non-removable is unclear
[14:10] <G4MYS-Andy> non removeable not clear? how you recon that?
[14:10] <Lunar_Lander> every time I hear Gouda, I think of https://upload.wikimedia.org/wikipedia/commons/0/07/13-06-27-gouda-by-RalfR-127.jpg
[14:11] <nats`> no user serivcable part
[14:11] <nats`> servicable
[14:11] <nats`> or whatever it is writing
[14:11] <nats`> that's what is on every electronic equipment
[14:11] <G4MYS-Andy> No user servicable part = no spare fuses inside!
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[14:12] <Upu_M0UPU> thats burst
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[14:15] <bertrik> dennis__: I live in Gouda!
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[14:17] <bertrik> not sure if I got even 1 green decode from EARS
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[14:20] <candleman> \join #highaltitude
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[14:20] <mikestir> these windows users with their backwards slashes
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[14:43] <G4MYS-Andy> Is the PIE launch a runner?
[14:44] <craag> G4MYS-Andy: Postponed due to ground wind
[14:44] <G4MYS-Andy> Oh many thanks Craag! put a special aerial up too! darn but manythanks saves hanging around for hours!
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[14:46] <craag> He'll do it another day
[14:46] <craag> But weather doesn't look so nice for next weekend - we'll see
[14:50] <G4MYS-Andy> yes but I should of been cutting the grass not taping a colinear to a ladder propped up in the sideay!!!
[14:51] <craag> haha
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[15:07] <dennis__> @PA3WEG where was HABANERO2 released?
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[15:17] <chrisstubbs> $$EARS,509,15:14:33,05140.31738,000043.84583,97.1,99881,20,11*e52a my last partial from EARS
[15:19] <bertrik> dennis__: it was launched near Maassluis, full flight path at https://revspace.nl/File:Screenshot_from_2013-07-01_07-54-34.png
[15:20] <mfa298> wasn't watching the map but looks like EARS_chase had a chance of seeing it come down.
[15:22] <chrisstubbs> Looked away from the map, but it came right over my darn house :P
[15:22] <chrisstubbs> If anyone hears from them and they need a hand give me a shout, only down the road.
[15:23] <malgar> I'm not expert with fritzing but could this work to measure battery voltage? http://picpaste.com/pics/partitore-qAkQuftS.1399216925.jpg
[15:24] <tweetBot> @SouthTexasBLT: BLT Team at Lake Livingston launched a mylar floater balloon last night and it's still up and going. http://t.co/NCt1wZG84A #ukhas
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[15:32] <PA3WEG> sorry dennis__ I was AFK
[15:32] <PA3WEG> playing with DATV
[15:41] <DL7AD> got my new design for my new tracker :D http://ur7iwz.qrz.ru/sat/amsat/25.jpg
[15:42] <DL7AD> have a look @ the microncontrollers :D
[15:43] <x-f> artwork
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[15:51] <eroomde> wow DL7AD
[15:51] <eroomde> that's a super-human effort to avoid pcb-design!
[15:51] <daveake> jeeezus!
[15:52] <wd8mnv> could be a tad heavy
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[15:52] <eroomde> heavy for what?
[15:52] <eroomde> a micro-pico?
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[15:53] <DL7AD> eroomde: noooo i was kidding :D
[15:53] <DL7AD> its not my design
[15:53] <DL7AD> i found it on the internet somewhere
[15:53] <dennis__> @PA3WEG where was the HABANERO2 released?
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[15:54] <dennis__> here in the netherlands?
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[15:54] <LeoBodnar> some people sending upside down ICs into space
[15:55] <daveake> IC upside down is still IC :)
[15:55] <eroomde> loose wires do have some vibration and thermal environment advtantages
[15:55] <PB0NER> dennis__: pa3weg is running around his house...
[15:56] <daveake> Did that 7-layer Arduino shield sandwich ever fly?
[15:56] <daveake> Someone in Italy IIRC
[15:56] <daveake> Might have been more than 7
[15:56] <PB0NER> dennis__: it was 1-7-2013
[15:57] <PB0NER> in his house
[15:57] <PA3WEG> dennis__: yes, from the netherlands, from maassluis
[15:57] <bertrik> daveake: callsign "LASAGNA" ?
[15:57] <daveake> haha
[15:57] <PA3WEG> bertrik: lekker!
[15:58] <PA3WEG> and yes, I am running around in the house, cleaning up from my ATV/DATV experiments
[16:00] <PB0NER> Low Altitude Sound Activated Greasy Noise Adapter ?
[16:00] <dennis__> OK
[16:01] <dennis__> Do you need a license for that in the netherlands
[16:01] <dennis__> ?
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[16:04] <PA3WEG> dennis__: no, but there are several rules you need to adhere to
[16:05] <PA3WEG> the main thing is: stay out of airport airspace
[16:05] <dennis__> where did it land?
[16:06] <PB0NER> in a tree
[16:06] <PB0NER> near breda
[16:06] <PA3WEG> https://revspace.nl/HAB_launch_2
[16:06] <dennis__> OK
[16:06] <dennis__> thnx
[16:06] <dennis__> AFK , 30min
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[16:25] Nick change: MichaelC3 -> MichaelC
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[16:41] <jcoxon> oh dear about kicksat
[16:42] <jcoxon> might not deploy its sprite sats
[16:44] <LazyLeopard> Yeah. Seems to have suffered a rather hard reset...
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[16:46] <LeoBodnar> what? Space will remain clean?
[16:47] <eroomde> for now
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[16:47] <eroomde> to be fair i don't think anyone gives a shit what you stick up into a 400km orbit, so long as it's not got the ballistic coefficient of a bowling ball
[16:48] <eroomde> because it decay period will be weeks at most
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[16:48] <jcoxon> lot of people will be sad if it doesn't deploy
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[16:48] <jcoxon> guess thats space but still
[16:50] <Lunar_Lander> PA3WEG, PB0NER ah was that related to the HABANERO launch last year?
[16:50] <Lunar_Lander> i.e. is that the second one now so to speak?
[16:53] <LeoBodnar> y u no reflow? http://upload.wikimedia.org/wikipedia/commons/f/f2/KickSprite_sm.jpg
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[16:56] <mattbrejza> no rf filter
[16:56] Action: moriarty sticks eroomde's mum up in a 400km orbit
[16:56] <moriarty> :'D
[16:56] <mattbrejza> maybe not needed with 10mW out
[16:56] <mattbrejza> thats also missing a who load of decoupling
[16:56] <mattbrejza> *whole
[17:00] <eroomde> what has she done to upset you, moriarty?
[17:00] <moriarty> eroomde, i was just kidding
[17:00] <moriarty> :)
[17:00] <LeoBodnar> isn't anything happening in space can be put down to radiation? " Instead, it seems the likely culprit was radiation."
[17:01] <mattbrejza> presky high energy particles pressing reset buttons
[17:01] <mattbrejza> *pesky
[17:01] <LeoBodnar> There seem to be a massive gash in Van Allen belt near meridian
[17:02] <eroomde> LeoBodnar: yes correct
[17:02] <eroomde> if in doubt, cosmic rays
[17:02] <mattbrejza> i would have thought you would have put some redundancy on the RTC :/
[17:02] <eroomde> we attribute a lot of the behaviour of our cnc mill to cosmic rays
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[17:08] <WillTablet> What stopped kicksat happening? Rationality?
[17:10] <mattbrejza> too many right angles on the pcb
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[17:19] <PA3WEG> what I find surprising are that the kicksat command receiver is switched off when the battery goes below 8V, against the ITU Radio Regulations
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[17:20] <PA3WEG> now they can not command the deployment
[17:21] <LeoBodnar> it's cosmic
[17:23] <nats`> kicksat.....
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[17:26] <LeoBodnar> " The lack of radiation hardening on the Sprites wont be a problem, either. This shouldnt be a surprise, as theyre orbiting well within our wonderful, protective magnetosphere, and there are digital cameras, tablets, and other much more radiation sensitive electronics that have been working perfectly on the ISS for years now."
[17:26] <nats`> oO
[17:26] <nats`> sure ISS doesn't have radiation shield on electronic
[17:26] <nats`> ...
[17:26] <LeoBodnar> sounds like a good enough risk analysis to me
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[17:26] <arko> radiation isn't a huge problem at that altitude
[17:27] <arko> earths magnetic field saves you
[17:27] <arko> below 1000km
[17:27] <LeoBodnar> they have to decide whether it is an issue or not
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[17:28] <LeoBodnar> It's probably a shit arducopter code bug
[17:28] <mattbrejza> is this the same lack of radiation that caused a wdt reset?
[17:28] <LeoBodnar> barometric pressure malfunction
[17:29] <LeoBodnar> So blaming it on radiation now is silly
[17:30] <LeoBodnar> also why it is designed to not be able to charge batteries enough to activate receiver before re-entry?
[17:31] <mattbrejza> maybe they forgot to charge the batteries before launch :P
[17:31] <mattbrejza> (not that that should be a good enough excuse)
[17:31] <arko> if anyone is interesting in learning about radiation in space and it's effect on microelectronics http://snebulos.mit.edu/projects/reference/NASA-Generic/JPL-00-06.pdf
[17:31] <arko> very well written
[17:32] <LeoBodnar> i take your word that it's not an issue arko :D
[17:32] <arko> section 2
[17:32] <Lunar_Lander> thanks arko
[17:32] <LeoBodnar> which i suspected it wasn't
[17:32] <arko> 3 does a nice job describing what happens and why its a problem to eletronics
[17:32] <arko> yeah
[17:32] <Lunar_Lander> what did you say on your talk again?
[17:32] <arko> for my talk at ukhas last year i wanted to do the math for habs
[17:32] <LeoBodnar> so flat batteries is radiation problem too?
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[17:32] <Lunar_Lander> I think it was that a balloon would have to float for about one year until damage could occur?
[17:33] <LeoBodnar> perhaps "detectable error" rather than "damage"
[17:33] <arko> you must fly your hab at 30km for 10 years for the probablity of a single cosmic event that could damage to become a problem
[17:33] <arko> could cause damage*
[17:33] <arko> i cant type this morning
[17:33] <arko> need coffee
[17:33] <arko> blarg
[17:34] <arko> LeoBodnar: totally agree, blaming radiation is a joke,
[17:34] <arko> clearly these kicksats weren't designed very well
[17:34] <eroomde> i think some of the polar hab experiments have more problems though
[17:34] <arko> yes
[17:35] <Lunar_Lander> ah, thanks
[17:35] <eroomde> for obv reasons
[17:35] <arko> because all those traped particles
[17:35] <arko> yeah
[17:35] <mattbrejza> just opened the eagle files for the sprite boards
[17:35] <mattbrejza> got a 'not consistant' error
[17:35] <mattbrejza> not the best start really
[17:35] <LeoBodnar> Aurora lights power cables, etc
[17:35] <arko> that paper does a nice job describing how the particles would twirrle around the field lines and head to the poles
[17:36] <kc2pit> I thought cubesats in LEO suffered fairly frequent SEUs, on the one-every-few-days scale.
[17:36] <arko> usually not heavy ions or strong events
[17:36] <arko> it does happen in LEO
[17:36] <arko> dont get me wrong
[17:37] <arko> the trick has become to design a good reset
[17:37] <kc2pit> Right.
[17:37] <arko> reboot, test memory, load things, blah blah
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[17:37] <arko> but the events are usually minor
[17:37] <arko> but this all goes back to your design
[17:38] <kc2pit> Which kicksat seems to have failed at. Can't figure out why anyone would launch a satellite without a 24/7 active uplink receiver, too.
[17:38] <mattbrejza> the pcb doesnt make for good viewing
[17:38] <Lunar_Lander> and the south-atlantic anomaly?
[17:38] <arko> some minor events can cause very big problems
[17:38] <Lunar_Lander> Fermi has to be shut down when it crosses that I remember
[17:38] <arko> fpga's suffer from this issue
[17:38] <arko> also, isnt kicksat like a bunch of little sprites?
[17:38] <arko> did they all stop working?
[17:39] <kc2pit> It's carrying lots of them, but it's the mothership that's failed before releasing them.
[17:39] <arko> are you serious?
[17:39] <arko> wow
[17:39] <arko> didn't know this
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[17:39] <eroomde> it's a 3u cubesat form
[17:39] <eroomde> with a bunch of sprites inside
[17:39] <kc2pit> I'm reading https://www.kickstarter.com/projects/zacinaction/kicksat-your-personal-spacecraft-in-space/posts/831509 now.
[17:39] <arko> yeah, i recall the design
[17:39] <arko> crazy
[17:39] <eroomde> the idea was that all the sprites got released by the 3u mothership
[17:39] <eroomde> the mothership itself has died
[17:39] <arko> lol
[17:40] <wd8mnv> not enough funk in the mothership
[17:40] <arko> was there a vent hole that some rookies shot a laser down?
[17:40] <eroomde> oh kc2pit just said all that
[17:40] <eroomde> sorry
[17:41] <Lunar_Lander> someone actually decided to pay the $10k to be the person to activate the sprite release?
[17:41] <kc2pit> "I used to bullseye SRAM bits in my T-16 back home, they're not much bigger than 2 microns."
[17:41] <Lunar_Lander> wow
[17:41] <Lunar_Lander> (says on the right in the reward list)
[17:41] <arko> interesting
[17:42] <arko> just read the update
[17:42] <Lunar_Lander> how was the thing launched btw?
[17:42] <Lunar_Lander> on the last Ariane Vega flight or so?
[17:42] <kc2pit> I think it was bolted to the 2nd stage of the last Falcon 9.
[17:42] <eroomde> the last spacex flight
[17:42] <arko> that reset is entirely possible due to radiation
[17:42] <Lunar_Lander> ah
[17:42] <arko> shouldn't have damaged anything
[17:43] <eroomde> well it's been orbiting seemingly ok for days since being released
[17:43] <LeoBodnar> so why flat battery?
[17:43] <kc2pit> Yep, they didn't manage to screw up Kepler's laws.
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[17:43] <arko> but from what i've gathered in reading this, its just bad design
[17:44] <arko> how can your system be so stupid to not charge up
[17:44] <arko> or cut power to things to prevent draining
[17:44] <LeoBodnar> it's either another fault or it's designed not to be able to charge up
[17:45] <Lunar_Lander> strange indeed
[17:45] <mattbrejza> https://github.com/zacinaction/kicksat/tree/master/Sprite/EagleCAD/Sprite if you wanted to look at the board for hte sprites
[17:45] <mattbrejza> cant find the mothership though
[17:46] <arko> "oh snap fault, reset, low power mode, wait for uplink"
[17:46] <arko> doesn't the mothership have flash?
[17:47] <arko> or non-volatile memory?
[17:47] <LeoBodnar> or maskrom
[17:47] <LeoBodnar> or woven core memory
[17:47] <arko> lol
[17:47] <arko> throw some flags in there as you go along in flight so if a reset occurs you know where you left off
[17:47] <eroomde> fram for real
[17:47] <arko> you dont start doing stupid things like ohshit_reset_drainbattery_nowww();
[17:47] <LeoBodnar> i've been waiting for that eroomde
[17:48] <arko> fram is awesome
[17:48] <LeoBodnar> lol
[17:48] <kc2pit> eroomde: No shit. Like $5 for an MSP430 with the stuff, too.
[17:48] <arko> msp430 woo
[17:48] <eroomde> power consumption is impressive too
[17:49] <arko> eroomde: you buddy in SF
[17:49] <arko> i forgot his name
[17:49] <LeoBodnar> well it's not shameful to use RAM with parity check bits
[17:49] <eroomde> which one?
[17:49] <arko> err
[17:49] <arko> cubesats
[17:49] <arko> kevin?
[17:49] <eroomde> which one? :)
[17:49] <eroomde> henry
[17:49] <arko> damn
[17:49] <arko> henry!
[17:49] <arko> bingo
[17:49] <arko> im terrible with names
[17:49] <eroomde> they use an stm32f4
[17:49] <eroomde> as the brainstem
[17:50] <arko> he said the #1 killer for cubesats is running out of power
[17:50] <arko> just poorly programmed power modes
[17:50] <arko> woah!!
[17:50] <arko> dude that was the chip we were using on the Layerone badge!
[17:50] <eroomde> yeah i can imagine. power management is all
[17:50] <arko> i love the stm32F4
[17:50] <eroomde> they're very powerful
[17:50] <arko> we had to ditch it for other reasons (not the chips fault)
[17:50] <arko> 168Mhz
[17:50] <LeoBodnar> some time i found this interesting. Not modern stuff but relevant anyways http://www.amsat.org/amsat/articles/g3ruh/107.html
[17:50] <arko> up to*
[17:50] <eroomde> the first hobby-friendly uC with an FPU, as far as i can tell
[17:52] <eroomde> i agree with power saving btw
[17:52] <eroomde> i think it's something you need to bake in from the start
[17:52] <arko> yeah
[17:52] <eroomde> like the number of people in hab who dive in with busywaits on an arduino
[17:52] <eroomde> then complain about power consumption and how inconvenient it'd be to re-write
[17:52] <arko> apart of the design, and isn't easly thrown off by a reset
[17:53] <arko> haha
[17:53] <LeoBodnar> "And finally AO-13 telemetry is available 24 hours a day for anyone to read. Yet in these eight weeks, not one single person in the whole wide world has noticed or made any comment about the situation whatsoever!"
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[17:55] <eroomde> james miller has some interesting stuff
[17:58] <Willdude123> http://www.reddit.com/r/programming/comments/1f2ml3/what_does_olog_n_mean_exactly/ca6bm2p
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[18:03] <Willdude123> I never really grasped logarithms
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[18:06] <LeoBodnar> "The greatest shortcoming of the human race is our inability to understand the exponential function."
[18:06] <arko> lol
[18:06] <LeoBodnar> Bartlett
[18:07] <LeoBodnar> so true, wow
[18:07] <Lunar_Lander> xd
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[18:18] <Willdude123> It's an evil circle of thinking I understand logarithms
[18:18] <Willdude123> And then being like oh
[18:33] <SA6BSS> B-49 updated :)
[18:33] <DL7AD> SA6BSS: :)
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[19:04] <jonsowman>
[19:04] <mattbrejza> o rly?
[19:05] <LeoBodnar> no way!
[19:06] <jonsowman> :p
[19:07] <Martin_G4FUI> I still carry around a rather tattered copy of "Castle's Logarithm Tables for Schools" in my work brief case, along with a slide rule. Just for show these days, of course!
[19:08] <Maxell> M0XER-9 has been heard 3 minutes ag.
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[19:18] <LeoBodnar> throw some punch cards in a mix Maxell
[19:18] <LeoBodnar> throw some punch cards in a mix Martin_G4FUI
[19:18] <Maxell> :x
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[19:30] <sp2ipt_> LeoBodnar: can't you read them? I do it to get a good nights' sleep ;)
[19:32] <LeoBodnar> probably anybody who ever used the punch cards had to resort to fixing the buhs with a razor blade
[19:32] <LeoBodnar> *bugs
[19:32] <sp2ipt_> probably :)
[19:32] Nick change: sp2ipt_ -> sp2ipt
[19:33] <LeoBodnar> well i did
[19:34] <LeoBodnar> and the line code is typed at the top anyway
[19:34] <sp2ipt> fortunately enough I didn't have to play with punchcards
[19:35] <LeoBodnar> they are good, trust me
[19:35] <LeoBodnar> have you tried to sketch a quick equation on the back of the USB drive?
[19:36] <nats`> yay it works :p
[19:37] <nats`> usb drive is that sort of book with page and pen ? :D
[19:37] <sp2ipt> LeoBodnar: no, I always have cofee bills in the pocket :)
[19:41] <LeoBodnar> :D that works too
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[19:51] <LeoBodnar> Is Thomas launching one after the other? http://aprs.fi/#!mt=roadmap&z=7&call=a%2FKT5TK-5%2Ca%2FKT5TK-3&timerange=86400&tail=86400
[19:52] <arko> nice
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[20:06] <amell> who launched the HAB at ears today?
[20:07] <amell> didnt get there until 2.30pm so missed it
[20:08] <Reb-SM3ULC> LeoBodnar: pico-flights?
[20:09] <Reb-SM3ULC> LeoBodnar: from thomas i meant
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[20:10] <LeoBodnar> no idea
[20:11] <LeoBodnar> it is floating at feet altitude
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[20:17] <SpeedEvil> http://www.nasa.gov/mission_pages/cassini/multimedia/pia12570.html 'That's no moon!'
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[20:33] <superkuh> Beautiful image.
[20:34] <Lunar_Lander> cool!
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[20:45] <Reb-SM3ULC> wow
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[20:47] <Reb-SM3ULC> LeoBodnar: thomas hang around here?
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[20:48] <DL7AD> Reb-SM3ULC: you mean KT5TK thomas?
[20:48] <Reb-SM3ULC> DL7AD: yes
[20:48] <DL7AD> hes not here
[20:48] <Reb-SM3ULC> ah
[20:49] <DL7AD> Reb-SM3ULC: when he apprears his nickname will be KT5TK
[20:50] <sp2ipt> maybe someone will be interested in simple noise figure measurement http://www.df9ic.de/doc/2014/mmrt_2014/mmrt14_CANFI.pdf
[20:50] <sp2ipt> these are rather guidelines but definitely worth looking at
[20:51] <Reb-SM3ULC> DL7AD: thanks, thought he maybe could have another nickname.
[20:52] <DL7AD> nope
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[21:06] <aadamson> ping Upu - PM
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[21:15] <Rb1203> Hi
[21:17] <Upu> evening
[21:17] <mattbrejza> anyone any idea why casting from unsigned char to uint16_t sign extends?
[21:17] <Rob_m0dts> sp2ipt: thanks for the link.. i use my realtek dongle to check sun noise on 1296MHz with the big dish :-)
[21:18] <SP9UOB-Tom> night all
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[21:19] <aadamson> mattbrejza, you'll have to check on the AVR? unsigned char is uint8_t, so in theory, casting one to uint16_t just move the byte into the lower 8 bits of the 16 bit type
[21:20] <aadamson> I say check because sometimes, compiler to compiler will change up the bit lengths of different types
[21:20] <mattbrejza> yea casting uint8_t to uint16_t works fine
[21:21] <mattbrejza> weird
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[21:21] <aadamson> it should if the compiler is right, especially if you use the uintx_t variants, where you can get in trouble is the longs, doubles, floats
[21:21] <aadamson> depending on processor
[21:22] <aadamson> why I always try to use the u/intx_t's when dealing with other thatn floating point
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[21:51] <mikestir> aadamson: do you know of any preprocessor macros (for gcc) that will tell you what the selected cortex M target is? (as in M0, M3, M4)
[21:51] <mikestir> based on the value of -mcpu
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[22:15] <flvctvat> B-47 just heard near Beijing?!?
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[22:15] <arko> WOAH
[22:15] <DL7AD> congrats LeoBodnar
[22:15] <craag> :D
[22:15] <Reb-SM3ULC> hat?
[22:15] <arko> http://aprs.fi/#!call=a%2FM0XER-7&timerange=3600&tail=3600
[22:16] <arko> wow
[22:16] <craag> Reb-SM3ULC: http://habmap.philcrump.co.uk/?vehicles=B-47
[22:16] <Upu> holy rude word
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[22:16] <craag> Still at 12km too
[22:17] <LeoBodnar> dude!
[22:18] <Reb-SM3ULC> wow
[22:18] <Reb-SM3ULC> May 05 00:13:08 M0XER-7>APRS47,BD2RL-3*,WIDE2*,qAS,BG2YF:!/;"A,l>h`O <f=p/A=039665|!=KF'i=g!(|
[22:18] <Reb-SM3ULC> oops
[22:18] <Reb-SM3ULC> sri
[22:19] <DL7AD> now we need the full log :P
[22:19] <DL7AD> rofl.....
[22:20] <Maxell> DL7AD: full log?
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[22:20] <Upu> it transmits a log via APRS comments
[22:20] <Upu> of where its been
[22:20] <Upu> slowly
[22:20] <Reb-SM3ULC> wtf.. there are >1 ship on that map on aprs
[22:20] <Upu> we can manually back fill the database
[22:20] <Maxell> HOLY SHITTTTTT \
[22:20] <Maxell> \o/ \o/ \o/ \o/\o/ \o/\o/ \o/\o/ \o/\o/ \o/\o/ \o/\o/ \o/
[22:20] Action: Maxell bows
[22:20] Action: DL7AD is amazed
[22:21] <Upu> lol
[22:21] <mattbrejza> is it going to visit Best Korea?
[22:21] <DL7AD> :D
[22:21] <Maxell> mattbrejza: AHAHAHA
[22:21] <Maxell> mattbrejza: fire ze nukes
[22:21] <Upu> btw just to remind everyone this a home made balloon
[22:21] <DL7AD> yes it does
[22:21] <DL7AD> http://ready.arl.noaa.gov/hypub/arlTraj.swf?client=gme-noaa&channel=OAR.ARL.HQ.HYSPLIT&dir=/hypubout/HYSPLITtraj_165136&data=/hysplit_metadata&ext=html
[22:21] <arko> well done Leo
[22:21] <Maxell> Upu: home made?
[22:21] <Maxell> Not Qualatex?
[22:21] <Upu> nope home made
[22:21] <Maxell> pics
[22:21] <Maxell> gief
[22:21] <Upu> http://leobodnar.com/balloons/B-49/index.html
[22:22] <Laurenceb_> omfg
[22:22] <Laurenceb_> LeoBodnar wins the internets
[22:23] <mattbrejza> straight over pyongyang
[22:23] <mattbrejza> not even just clipping n. korea
[22:23] <Upu> We shall now refer to Leo as "our glorious leader"
[22:24] <Maxell> yes leo best leader
[22:24] <Maxell> only leader
[22:24] <cnelson> Laurenceb_: map?
[22:25] <Reb-SM3ULC> another packet, yes
[22:25] <DL7AD> we just nee the los!
[22:25] <DL7AD> log*
[22:26] <Upu> the database will get fixed tommorrow
[22:26] <Maxell> M0XER-7>APRS47,BD2RL-3*,WIDE2*,qAS,BG2YF:!/;#bUlF`aO <fE>/A=039625|!CKF'r>Y!(|
[22:26] <Maxell> yep
[22:28] <Willdude123> How is it getting away with aprs? Being British launched.
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[22:29] <SpeedEvil> APRS works - it's just not legal
[22:29] <mikestir> you operate under the conditions of the country you are in, not the one you are licenced in
[22:29] <DL7AD> who cares? ^^
[22:29] <mikestir> assuming CEPT or other reciprocal agreement
[22:29] <SpeedEvil> There is also that.
[22:30] <Willdude123> How come nobody else flies as far as Leo?
[22:30] <Maxell> DL7AD: SpeedEvil: I agree.
[22:30] <Maxell> APRS is not hurting anyone.
[22:30] <Willdude123> I still don't quite get how it floats
[22:30] <SpeedEvil> Willdude123: It's somewhat subtle.
[22:30] <SpeedEvil> Willdude123: The atmosphere drops in density as it goes up.
[22:31] <Willdude123> So why are we only seeing this now?
[22:31] <SpeedEvil> Willdude123: If you let a rigid balloon rise - then the inside pressure - and volume - remain constant.
[22:31] <Reb-SM3ULC> Maxell: it's just hurting a few brains who don't think the protocol is very good... :)
[22:31] <SpeedEvil> The outside density of air however drops as it rises.
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[22:31] <craag> Reb-SM3ULC: It's not... but it has the infrastructure
[22:31] <SpeedEvil> This means that at some point, the absolute lift of the balloon falls to zero.
[22:32] <SpeedEvil> And itfloats.
[22:32] <Willdude123> I need to get in to habbing properly, this is awesome
[22:32] <Reb-SM3ULC> craag: right, that is quite spread..
[22:32] <Willdude123> Just gotta get my intermediate out the way
[22:33] <Reb-SM3ULC> Willdude123: well, just beat lea to start with.. ;)
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[22:38] <sm3ulc> whats the duration?
[22:38] <Maxell> Reb-SM3ULC: it's extremly old and the same bandwitdh could be used more efficient. But until someone comes with a new (same widespreak) option AFSK1200 APRS seems pretty ok
[22:39] <mattbrejza> launched 27th it seems, so a week
[22:41] <sm3ulc> matt: thanks
[22:41] <LeoBodnar> Launched: 2014-04-27 16:56:59
[22:43] <sm3ulc> leo: thanks for inspiration!
[22:43] <mattbrejza> is this further than the CA->EU one yet?
[22:44] <LeoBodnar> perhaps not
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[22:46] <LeoBodnar> 8363km great circle distance
[22:46] <LeoBodnar> CA-Africa were over 10,000km i think
[22:47] <tweetBot> @AnthonyStirk: M0XER's B-47 balloon just reappeared on a digi in China @aprsfi #ukhas #amsat #hamr. Now heading for best Korea directly over Pyongyang !
[22:47] <mattbrejza> 9700km i just measured
[22:47] <arko> andd.... leo disappears
[22:48] <tweetBot> @AnthonyStirk: Oh http://t.co/ij6cO8r9eR or http://t.co/qkaYVt95qV #ukhas #hamr @aprsfi #amsat
[22:48] <Willdude123> Sorry, best Korea?
[22:48] Action: Upu pats Willdude123
[22:48] <craag> https://scontent-b-lhr.xx.fbcdn.net/hphotos-ash4/t1.0-9/s720x720/10325651_628213367269144_1949777872087094086_n.png
[22:48] <Upu> http://iamevan.me/ucc/northkorea/images/northkoreapic.jpg
[22:49] <Willdude123> South Korea is cooler
[22:49] <Upu> no you're not getting it
[22:49] <Upu> North Korea is best Korea
[22:49] <Maxell> North Korea is only Korea
[22:49] <Willdude123> Like democracy and other shit we're supposed to like.
[22:49] <Willdude123> Oh
[22:49] <mattbrejza> https://img.4plebs.org/boards/pol/image/1396/72/1396726596454.jpg
[22:49] <arko> lol
[22:50] <mattbrejza> http://fc02.deviantart.net/fs71/f/2011/316/a/4/north_korea_is_best_korea_by_florinu123-d4g0hpf.jpg lolwut
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[22:50] <Willdude123> mattbrejza: that domain reminds me, I saw the plebgate today. Had to resist the urge
[22:50] <Upu> and this isn't patronising but when you're old enough go watch http://www.imdb.com/title/tt0372588/?ref_=nv_sr_1
[22:51] <Maxell> mattbrejza: whoooot :P
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[22:53] <Willdude123> Psht I watch 15s a lot, I've seen far far worse.
[22:54] <Willdude123> I think I started watching that a while ago Upu
[22:55] <Willdude123> Upu: this isn't patronising, but when you're old enough, go to http://www.legalandgeneral.com/life-cover/
[22:55] Action: Willdude123 z-snaps
[22:58] <sm3ulc> zchlafen
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[23:13] <Willdude123> Even after the interpretive dance, I'm struggling with merge sort
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[23:31] <Maxell> M0XER-9 is going good
[23:34] <aadamson> mikestir, this help? - http://sourceforge.net/p/predef/wiki/Architectures/
[23:35] <mikestir> yeah the ARCH_6/ARCH_7 stuff should do what I want cheers
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[23:35] <aadamson> no problem, got lucky looking for it...
[23:36] <aadamson> oh, and congrats LeoBodnar !!!
[23:36] <mikestir> I'm porting my generic m3 exception handler to m0, but I've since discovered that the M0 instruction set is majorly cut down
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[23:36] <mikestir> which is why I'm still up!
[23:37] <aadamson> hehe... yeah, the std periph lib for the stm's usually provide stubs for all of those, and the complete IRQ table, etc
[23:38] <mikestir> this is just a little fragment of assembly that does the stacking prior to jumping to a C exception handler that prints all the registers
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[23:38] Nick change: toxygen_ -> toxygen
[23:38] <aadamson> so now the interesting question... I still have to figure that a mylar balloon presents a pretty good radar target and over North Korea... hmm... guess we'll have to see if there is news of any form of missle launch from them.... they are just paranoid enough...
[23:38] <aadamson> mikestir, ah, very good
[23:39] <aadamson> what are you using for jtag/swd?
[23:39] <mattbrejza> balloon is probably the wrong shape for radar reflection
[23:39] <mattbrejza> itll scatter rather than reflect back
[23:39] <mattbrejza> a concave balloon might show up better
[23:40] <mikestir> aadamson: using a freedom board at the moment so it has it built in
[23:40] <mikestir> my boards have arrived though - plan for that is to use an stlink with openocd
[23:40] <malgar> how do you program rasberrypi model A since it hasn't the ethernet port?
[23:40] <aadamson> ah, I finally broke down and got a jlink, it's about 20X faster than the built in stuff and was worth the expense... (wasn't bad as an EDU version)
[23:41] <craag> malgar: Either plug in a keyboard and monitor and program on it, or build a program on a B and swap the sdcard to an A.
[23:47] <mikestir> aadamson: so nice having proper exception handling :) http://www.mike-stirling.com/files/exception.png
[23:48] <aadamson> hehe - there ya go :)
[23:48] <aadamson> are you going to use an rtos?
[23:48] <mikestir> not on this no
[23:48] <mikestir> the M3 version of that exception handler tells you what went wrong as well, but the M0 doesn't have those status bits
[23:48] <aadamson> yeah be either altho I did use a simple scheduler with a 1000hz irq generating 500/100/50/10/5/1 hz loops, but I only use a couple of those
[23:49] <mikestir> I'm going to use the systick timer to run a state machine - sounds similar
[23:49] <aadamson> yep, exactly the same thing basically
[23:49] <aadamson> that's what I use to be the 1000hz irq
[23:50] <mikestir> need to get the components ordered for the real board
[23:50] <mikestir> I wasn't expecting them to come back so quickly
[23:51] <aadamson> hehe - http://bcas.tv/paste/results/S3Hchf97.html this just generates the loop bools so that main is just a huge case statement with a little house keeping
[23:51] <craag> Another packet from B-47, well enroute to Pyongyang!
[23:52] <aadamson> I *don't* block anywhere, not even on gps input gathering,
[23:52] <aadamson> and over the next couple of days I think I'm going to create the ublox binary version of my nmea/pubx protocol handler
[23:53] <aadamson> I let the 50hz loop *eat* the incoming gps data
[23:53] <mikestir> I've already got that from the avr version. Just needs a non-blocking uart/i2c driver
[23:53] <mikestir> kl05 has DMA for that
[23:53] <aadamson> how portable is my code.
[23:53] <aadamson> my uart is tx/rx dma/irq
[23:53] <aadamson> it's just a pretty simple driver
[23:54] <aadamson> I don't deal with enough i2c to worry about so it's not irq driven, just dma
[23:54] <aadamson> ah you know, it won't work
[23:54] <aadamson> too many standard periph calls
[23:55] <mikestir> freescale aren't so good at CMSIS so I'm just going to end up writing my own drivers at register level
[23:55] <aadamson> my problem is I have too much boiler plate code so I always re-use instead of re-invent :)
[23:56] <aadamson> ah... well, that shouldn't be too difficult, I was looking at a uart problem (didn't end up being one) the other day down at the register level
[23:57] <mikestir> anyway now that's working I'm off to bed. not often an exception halt is considered a success :)
[23:57] <aadamson> ah too bad, looks like Thomas put another one in the drink, almost the same spot as last time
[23:57] <aadamson> mikestir, hehe... take care, congrats on code and your boards, can't wait til you have one functional
[23:58] <mikestir> I should change the header row to say "Guru Meditation"
[23:59] <malgar> b-47 new record?
[23:59] <DL7AD> sure
[00:00] --- Mon May 5 2014