highaltitude.log.20150104

[00:05] <Lunar_Lander> good night
[00:07] <fsphil> night ll
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[00:29] <SpacenearUS> New vehicle on the map: 03DB1OFH-3 - 12http://habhub.org/t/?focus=DB1OFH-3
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[00:32] <fsphil> neat, the opposite of the horizon circles: http://i.imgur.com/MCKqWFh.png
[00:32] <fsphil> these are the areas I'd expect to receive a balloon at 10km and 30km
[00:33] <fsphil> the mountains to the north of me have the biggest impact in range
[00:45] <Miek> ooh nice, how do you generate that?
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[00:53] <fsphil> it's an option on http://www.heywhatsthat.com/
[00:54] <fsphil> "Up in the air", then you can enter two altitudes at the bottom
[00:55] <Darkside> nice
[00:57] <Laurenceb__> does it do outside the UK?
[01:01] <qyx_> i was trying to generate panorama view for us in the past
[01:01] <qyx_> i think it uses google map data
[01:06] <SpacenearUS> New position from 03HB9FDK-10 after 036 hours silence - 12http://habhub.org/t/?focus=HB9FDK-10
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[02:08] <SpeedEvil> It's more likely SRTM data
[02:09] <SpeedEvil> shuttle radar topography mission
[02:09] <SpeedEvil> this is ~90m (30m in the USA) data over most of the globe between 60N and 60S or so
[02:10] <SpeedEvil> ah - yes
[02:10] <SpeedEvil> 'We use two sets of data to generate these results. First, we use a digital elevation model, which is the height of the surface of the Earth above sea level at a network of points. In this case we're using the SRTM data generated by the February 2000 Space Shuttle mission. It comprises elevations determined roughly every 100 feet north-south and east-west for the US and every 300 feet elsewhere, covering latitude 60°N to 54°We use two sets
[02:10] <SpeedEvil> of data to generate these results. First, we use a digital elevation model, which is the height of the surface of the Earth above sea level at a network of points. In this case we're using the SRTM data generated by the February 2000 Space Shuttle mission. It comprises elevations determined roughly every 100 feet north-south and east-west for the US and every 300 feet elsewhere, covering latitude 60°N to 54°S. For more information, see
[02:10] <SpeedEvil> the NASA Jet Propulsion Laboratory and USGS Shuttle Radar Topography Mission S. For more information, see the NASA Jet Propulsion Laboratory and USGS Shuttle Radar Topography Mission
[02:10] <theRealSIbot> In real units: 100 ft = 30 m
[02:10] Last message repeated 1 time(s).
[02:10] <SpeedEvil> doh
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[02:51] <SpacenearUS> New position from 03PS-30 after 038 hours silence - 12http://habhub.org/t/?focus=PS-30
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[06:43] <gurgalof> morning!
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[09:38] <SpacenearUS> New position from 03HABAXE2 after 039 days silence - 12http://habhub.org/t/?focus=HABAXE2
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[10:09] <craag> habaxe looks like up
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[10:19] <pd3jag> Goodmorning all Happy New Year for all also , but is there something to do today?? haba or edu info??
[10:19] <MoALTz_> theRealSIbot is rounding the numbers? 100 ft = 30.48 m
[10:19] <theRealSIbot> In real units: 100 ft = 30 m
[10:19] <SA6BSS> HABAXE2 is up 434.400
[10:20] <MoALTz_> also it's too early in the morning for me, and i didn't check the channel closely enough. sorry
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[10:21] <pd3jag> Habax e2 on 434400 MHz and mode rtty?
[10:21] <craag> At approx 80 second intervals there is standard FSK RTTY, USB, 7bit, 2 stop bits, no parity, 370hz shift. There are 10 lead in pips one second apart.
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[10:30] <Brian_G0HDI> Just rx a burst of rtty on 434.404 No pips as yet though
[10:32] <Brian_G0HDI> Red data
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[10:39] <Brian_G0HDI> Not getting initial id as each burst is higher in hz so afc not quick enough.
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[10:41] <Brian_G0HDI> Ok i lined up manually with the pips, but too weak for decent decode as yet,. Hanging in there
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[10:47] <Brian_G0HDI> Got a green at 1600 hz 434.404
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[10:51] <jededu> Nearly had it but it drifted down rapidly
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[10:55] <G0WXI> !dial HABAXE2
[10:55] <SpacenearUS> 03G0WXI: Latest dials for 03HABAXE2 10(e3c5): 03434.449 MHz
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[10:57] <Brian_G0HDI_> Gone back to red's at the moment
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[10:59] <edmoore> jcoxon, kernel beer i note is to be reviewed on 'sunday brunch' on c4
[11:00] <Geoff-G8DHE> partial decodes its higher than I was expecting
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[11:02] <paul_HAB-P> RTL-sdr on BBB: 24kbs on wifi, 80kbps on Ethernet. Nowhere near the 1.5Mbps - but at least its working...
[11:02] <jcoxon> edmoore, ooo very cool
[11:02] <edmoore> i'm having a lazy tv kinda morning
[11:03] <edmoore> but i have cleaned the oven for the first time in about a year so i feel i can sit on my bum now
[11:04] <G0WXI> !dial HABAXE2
[11:04] <SpacenearUS> 03G0WXI: Latest dials for 03HABAXE2 10(e3c5): 03434.40298 MHz, 434.449 MHz, 434.4023 MHz
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[11:10] <fiftydollarsat> HABAXE2 is at 5,600M approaching Bristol.
[11:12] <fsphil> paul_HAB-P: didn't realise it could go that low
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[11:13] <fsphil> oh there's a hong kong flight on the tracker. bit zigzaggy
[11:13] <Bob_Saget> yeah that is us
[11:13] <Bob_Saget> the position is not correct but alt is ,we are about to launch one with a GPS in a few hours
[11:13] <fsphil> any idea what's happening?
[11:14] <Bob_Saget> it was just a tester , it's not correct
[11:14] <fsphil> ah gotcha
[11:14] <Bob_Saget> tonights launch will be the real tracker
[11:15] <pd3jag> some one info about the DB1OFH -3 ???
[11:16] <paul_HAB-P> @fsphil: lol
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[11:17] <fsphil> paul_HAB-P: so you had no luck with the 96khz firmware?
[11:20] <SpacenearUS> New position from 03DB1OFH-3 after 0311 hours silence - 12http://habhub.org/t/?focus=DB1OFH-3
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[11:22] <pd3jag> Whats the mode for DB1OFH-3 ?
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[11:31] <paul_HAB-P> /msg NickServ identify flyboy
[11:32] <fsphil> probably best to change that now :)
[11:32] <paul_HAB-P> lol yup
[11:33] <edmoore> been a while since i did that
[11:33] <pd3jag> whats mode and frequency use the db1ofh?????
[11:34] <paul_HAB-P> thats better. all fixed.
[11:35] <Bob_Saget> T - 2 hours to launch : ) http://I59.Tinypic.Com/111l9np.Jpg
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[11:55] <fiftydollarsat> HABAXE2 90km out, still getting 2dBm 1042bps LoRa packets at -1dBSNR.
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[12:05] <PE1ANS> payload db1ofh-3
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[12:13] <mattbrejza> you can see the lora on the websdr
[12:13] <mattbrejza> although lack of bnc->sma adapter means by reciever is gonna have no chance
[12:14] <Geoff-G8DHE> what frequency is the LoRa transmissions on ?
[12:15] <mattbrejza> 434.4
[12:15] <Geoff-G8DHE> Oh same as RTTY ?
[12:15] <Geoff-G8DHE> Duh assumed they were interference!
[12:17] <fiftydollarsat> LoRa is in the same frequency as the RTTY
[12:17] <Geoff-G8DHE> Right wide enough bandwidth now!
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[12:19] <Scott85> good afternoon
[12:19] <Scott85> has anybody else found that powering an Arduino Uno through the vin pin leaves it unstable?
[12:20] <Scott85> I'm doing some testing with 6 Energizer Lithium batteries, voltage is around 9v
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[12:21] <Scott85> It works for days when powered from USB but will freeze when powered from batteries
[12:21] <mattbrejza> i assume SF12 is still coming through fine?
[12:23] <Geoff-G8DHE> The Vin is on the right side of the regulator so should be OK, what voltage do you get out of the reg. ?
[12:28] <gonzo_nb> do we have a sw lora demod ?
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[12:30] <Scott85> exactly 5v are coming out which is why I don't get it
[12:30] <Oddstr13> RTTY competition going on or something? I see a lot of RTTY on the amateur bands
[12:32] <Oddstr13> http://puu.sh/e3wGH/87a314285e.png http://puu.sh/e3wPn/5246bae024.png
[12:32] <db_g6gzh> fsphil: not many mountains in fenland http://stuff.dbrooke.me.uk/te_6km_30km.png
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[12:34] <junderwood> !dial habaxe2
[12:34] <SpacenearUS> 03junderwood: Latest dials for 03HABAXE2 10(e3c5): 03434.45 MHz, 434.40298 MHz, 434.403509 MHz, 434.64117 MHz, 434.4023 MHz, 434.4026 MHz, 434.40296 MHz, 434.402462 MHz, 434.449 MHz, 434.40291 MHz, 434.40257 MHz
[12:34] <Scott85> Oddstr13, that looks like the same signal over and over
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[12:36] <Oddstr13> Scott85: the screenshots I just linked? those are a lot of different rtty signals
[12:37] <Oddstr13> you can also see JT65 in the lower end of the RTTY, also some PSK31 and CW
[12:37] <Oddstr13> but, if you are refering to the straight lines at more or less regular intervals, I suspect those are noise from the computer
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[12:41] <PE2BZ> !payload habaxe2
[12:41] <SpacenearUS> 03PE2BZ: Payload 03HABAXE2 10(e3c5) 03$$HABAXE2 - 03Primary - 03434.4 MHz USB 03RTTY 100/366Hz ASCII-7 none 2
[12:43] <bertrik> PE2BZ: looks like habaxe2 signal will not reach the netherlands today :|
[12:44] <PE2BZ> betrik : guess not.... But the logper is in the right direction ;-)
[12:45] <fiftydollarsat> Still getting the LoRa tracker payload at 1042bps, good and strong, around +5dBSNR so around 15dB margin.
[12:45] <fiftydollarsat> Thats at 160km.
[12:46] <mattbrejza> with preamp i guess?
[12:46] <mattbrejza> hows the slower one|
[12:46] <PE2BZ> bertrik As soon as the Herstmonceux sonde is below my noise level I'll switch to 434.4 to give it a try,,,,
[12:46] <fiftydollarsat> Nope, not needed yet.
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[12:48] <fiftydollarsat> The SF12 short payload, thats not working so well, I think I have found problem with the SX1278 firmware, packets lasting more than a second or so, at higher powers, seem to be sent with CRC errors included.
[12:49] <fiftydollarsat> The same problem seems to exist with 3 different types of my PCB hardware.
[12:50] <bertrik> I remember a special "low data rate" optimisation bit from the user manual
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[12:52] <fiftydollarsat> Possibly, but it only affects certain power levels, and the PA is after the bit that generates the LoRa,
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[12:53] <db_g6gzh> is the 1042bps sent 3 times per cycle ?
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[12:54] <fiftydollarsat> Anyway, the 1042bps looks good to go for the radio horizon (now 175km) so why bother with a lower data rate, it just uses more power.........
[12:54] <db_g6gzh> I'm logging a CRC error shortly after RTTY and before and after what sounds like the 98bps
[12:56] <mattbrejza> fiftydollarsat: did you set the 'slow packet bit' for SF12?
[12:56] <bertrik> fiftydollarsat: very nice to see such good performance!
[12:57] <fiftydollarsat> The 1042bps is sent several times, there are some very short control packets for the uplink handshaking plus the UKHAS payload.
[12:58] <fiftydollarsat> The 98bps sounds liks a load of clicks if you switch to FM mode.
[12:59] <db_g6gzh> OK, still not had a good CRC on the 1042bps, currently at 227km 1.1 elevation
[12:59] <fiftydollarsat> 'Slow Packet Bit' - not sure, I will check sometime.
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[13:02] <mattbrejza> LowDataRateOptimize in 0x26
[13:03] <mattbrejza> 'mandated for when the symbol length exceeds
[13:03] <mattbrejza> 16ms'
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[13:12] <DutchMillbt> !dial HABAXE2
[13:12] <SpacenearUS> 03DutchMillbt: Latest dials for 03HABAXE2 10(e3c5): 03434.449 MHz, 434.45 MHz, 434.402779 MHz, 434.402658 MHz, 434.40257 MHz, 434.40296 MHz, 434.4023 MHz, 434.402462 MHz, 434.64117 MHz, 434.40291 MHz
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[13:14] <fiftydollarsat> I am getting (short) 98bps test packets back from 190km at 2dBm from HABAXE2 - do you want me to make HABAXE2 send some more ?
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[13:31] <SpacenearUS> New position from 03PS-30 after 039 hours silence - 12http://habhub.org/t/?focus=PS-30
[13:33] <fiftydollarsat> 98bps SF12 packets @ 2dBm coming in OK @ -18dbSNR.
[13:36] <fiftydollarsat> 230km, nearing the limit of the 1042bps, some CRC errors, -10dBSNR. Time to switch on the LNA.
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[13:48] <Laurenceb__> fiftydollarsat: hi
[13:48] <Laurenceb__> you have a discrete LNA on the receive chain?
[13:50] <SpacenearUS> New vehicle on the map: 03M1 - 12http://habhub.org/t/?focus=M1
[13:50] <fiftydollarsat> I have a masthead LNA, which I only just switched on. But the LoRa modem is operating so far below noise level, that it does not make much of a differance.
[13:52] <Laurenceb__> ah
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[13:54] <fsphil> PS-30 still going. amazing
[13:54] <fsphil> wspr works well down there, with there being so little land area
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[14:01] <EwanP> !Dial M1
[14:01] <SA6BSS-Mike> 434.520
[14:02] <lz1dev> lmao
[14:03] <EwanP> Thanks, looks to be heading South but will have a listen just in case
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[14:07] <Laurenceb__> so there is uplink to habaxe2 ?
[14:08] <fiftydollarsat> On the HABHUB tracker display, is the blue circle the radio horizon ?
[14:09] <bertrik> yes, approximately
[14:11] <Geoff-G8DHE> Yes the green one is 5 degree
[14:11] <fiftydollarsat> Yes, there was uplink and handshaking, you could queue commands. It was at 1042bps also, and was working up to 250km (tis only 10mW after all).
[14:12] <bertrik> fiftydollarsat: how do you calculate the bit rate from the lora parameters, if I do the calculation I get much lower bit rates
[14:12] <fiftydollarsat> With the LoRa calculator ?
[14:13] <mattbrejza> only 10mW uplink?
[14:13] <fiftydollarsat> Yes, only 10mW.
[14:13] <mattbrejza> ok
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[14:15] <Laurenceb__> fiftydollarsat: is the uplink using LORA?
[14:16] <fiftydollarsat> Yes uplink is LoRa.
[14:16] <Laurenceb__> interesting
[14:17] <Laurenceb__> we will see if Ti are correct about its interference tolerance
[14:17] <Laurenceb__> what power are you using for uplink?
[14:17] <mattbrejza> lol, look at the last thing said
[14:18] <Laurenceb__> erm
[14:18] Action: Laurenceb__ lazy
[14:18] <Laurenceb__> oh i see
[14:18] <Laurenceb__> interesting, was there a yagi on the ground?
[14:19] <mattbrejza> persumably the lora modulation helps, but i can only assume the noise floor is higher
[14:19] <Laurenceb__> yeah
[14:19] <fiftydollarsat> No yagi, a vertical co-linear, 4-5db gain maybe.
[14:19] <Laurenceb__> very surprised it worked that well
[14:19] <Laurenceb__> oh wow
[14:19] <Laurenceb__> this is very interesting
[14:20] <Laurenceb__> thats good enough range for most latex envelope situations
[14:20] <Laurenceb__> also you should post to TI forums for epic trollage
[14:20] <Laurenceb__> http://e2e.ti.com/support/wireless_connectivity/f/156/t/343273
[14:21] <fiftydollarsat> Now, back to the 98bps. As I mentioned there is a problem with the SF12 at certain powers. And whilst the packet header was correct, and the first few bytes was correct also the packet corrupted from then on.
[14:21] <fiftydollarsat> Whic I presume is a setting somewhere.
[14:21] <mattbrejza> well there is a optimise low symbol rate bit
[14:22] <mattbrejza> which is supposed to help mitigate against what you described
[14:22] <mattbrejza> but i have found that on low bandwudths, a tranmsitter can sometimes need a couple of sentences before you dont get crc errors
[14:22] <mattbrejza> so it doesnt help that your transmitter isnt on all the time
[14:23] <mattbrejza> still not sure why you wouldnt keep that bit set all the time though
[14:24] <Geoff-G8DHE> drift is bad from time to time
[14:24] <fiftydollarsat> Now, since the first part of the packet is coming in correctly, if there is a config issue and its resolved, its reasonable to assume the rest of the packet would come in correctly also.
[14:25] <Oddstr13> https://www.youtube.com/watch?v=pbgeLRvjirI <-- That's an interesting talk
[14:25] <mattbrejza> well its just that its drifting during the packet so you lose the second half
[14:26] <mattbrejza> not sure to what extent the optimise low symbolrate bit will help
[14:26] <fiftydollarsat> So, what real interesting is that HABAXE2 is only sending the 98bps SF12 packets at 2dBm (3mW).
[14:27] <bertrik> hm, the lora calculator has a funny way of determining the "equivalent bit rate", for example it doesn't take into account the coding rate. Also it appears that lora can encode 9.6 bits per symbol.
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[14:27] <feynman> Hello
[14:28] <feynman> I need little help , anyone ? :)
[14:28] <Geoff-G8DHE> ask the question we haven't got crystal balls!
[14:29] <feynman> :D
[14:29] <feynman> im doing the hab stuff
[14:29] <feynman> with raspi , raspi cam , adafruit gps and radiometrix ntx2
[14:29] <mattbrejza> Laurenceb__: the TI bloke was using the cochannel rejection figure when the interferer is another lora signal with teh same settings, surely that cant be a fair figure to use
[14:30] <Laurenceb__> i guess... depends on the network design
[14:30] <feynman> the problem is
[14:30] <mattbrejza> i cant see how a fsk modem would do any better
[14:30] <fiftydollarsat> My LoRa calculator takes account of coding rate when calculation bps.
[14:30] <Laurenceb__> im surprised LORA managed so well for uplink
[14:30] <feynman> how can i make it transmit images and gps data
[14:31] <Geoff-G8DHE> !wiki ssdv
[14:31] <SpacenearUS> 03Geoff-G8DHE: Wiki page 03ssdv (guides) - 12http://ukhas.org.uk/guides:ssdv
[14:31] <SpacenearUS> 03Geoff-G8DHE: Wiki page 03ssdvforhab (ideas) - 12http://ukhas.org.uk/ideas:ssdvforhab
[14:31] <feynman> well
[14:31] <feynman> i read all of them
[14:31] <mattbrejza> im not sure you can make the claim 'not useable for ANY application' for 18bps
[14:32] <fiftydollarsat> Incidently when I had the uplink working I did get HABAXE2 to send decending power packets at 98bps, so I should be able to work out the ultimate range of 98bps.
[14:32] <feynman> i dont know how to transmit gps + image data to radiometrix
[14:32] <feynman> thats the problem
[14:33] <fiftydollarsat> Although it looks like both 1042bps and 98bps, will work close to the radio horizon for a pico floater.
[14:33] <Geoff-G8DHE> Are you using RTTY or APRS ?
[14:33] <fsphil> !wiki ntx2
[14:33] <SpacenearUS> 03fsphil: Wiki page 03linkingarduinotontx2 (guides) - 12http://ukhas.org.uk/guides:linkingarduinotontx2
[14:33] <SpacenearUS> 03fsphil: Wiki page 03ntx2 (guides:radio_modules) - 12http://ukhas.org.uk/guides:radio_modules:ntx2
[14:33] <feynman> i read them too
[14:33] <mattbrejza> my main interest is how well will all this work in a chasecar
[14:33] <fsphil> if you're using rtty, the first one is the best bet
[14:34] <Laurenceb__> mattbrejza: that guy needs to learn about WSPR
[14:34] <fsphil> even though it's for arduino
[14:34] <feynman> yeah i know
[14:34] <feynman> but code ?
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[14:34] <Geoff-G8DHE> you type it on the keyboard
[14:35] <fsphil> the trick is having to share the uart with both the ntx2 and gps module
[14:35] <fsphil> as annoyingly the pi only has one serial port
[14:35] <feynman> im using TTL usb cable
[14:35] <mattbrejza> Laurenceb__: is it time to invoke xkcd/386?
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[14:35] <feynman> for gps
[14:35] <fsphil> ah
[14:35] <mclane_> adafruit gps may not be suitable for habbing
[14:35] <feynman> and breadboard for radiometrix
[14:35] <feynman> well
[14:35] <Laurenceb__> heh
[14:35] <fsphil> hopefully not planning on using breadboard for the flight :)
[14:36] <feynman> ofc no
[14:36] <feynman> ^^
[14:36] <fsphil> if you wire the ntx2 as above to the uart tx line, anything you send to the serial port will be transmitted
[14:36] <fsphil> so you just need to configure the serial port to the appropriate baud rate, 8-bit and 2 stop bits
[14:36] <fsphil> then send your data
[14:36] <fsphil> pyserial if you're using python makes that very simple
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[14:37] <feynman> hmm
[14:37] <feynman> but i tried it
[14:37] <feynman> and radiometrix stopped working
[14:37] <fiftydollarsat> @Laurenceb - LoRa worked about in line with the 40km hill top LOS test I did.
[14:37] <feynman> im not doing it right for sure
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[14:37] <fsphil> it should never stop transmitting if the EN line on the ntx2 is shorted to VCC
[14:38] <feynman> well
[14:38] <feynman> it did
[14:38] <fsphil> got a pic of the setup?
[14:38] <feynman> after 5 minutes it splitted to 4+ transmit channels
[14:39] <fsphil> could be breadboard weirdness
[14:39] <fiftydollarsat> Anyway, its over the horizon for me, so I am off to the shops.
[14:39] <feynman> http://www.element14.com/community/servlet/JiveServlet/downloadImage/38-14925-192394/nt2x-schematic.png
[14:39] <feynman> i did this on breadboard
[14:39] <feynman> it was complicated on bread for sure
[14:40] <feynman> so you think i can make it run w/o breadboard ?
[14:40] <fsphil> I've done it on breadboard before, but it can be a bit unreliable
[14:40] <fsphil> a few times I've seen it do very odd things, which go away when it's soldered onto stripboard
[14:41] <fsphil> next time it goes weird, try wiggling some of the connections
[14:41] <fsphil> see if it changes
[14:41] <fsphil> before it goes odd, does it work? are you able to decode the text?
[14:41] <feynman> thank you :)
[14:41] <feynman> no
[14:41] <feynman> i wasnt be able to use DL-Fldigi
[14:41] <feynman> it doesnt work at all
[14:42] <feynman> so i tried with SDR#
[14:42] <fsphil> what is your receiver?
[14:42] <feynman> Nooelec sdr dongle ( for test purpose )
[14:42] <feynman> usb dongle
[14:43] <Geoff-G8DHE> You feed the audio from SDR# to dl-fldigi ...
[14:43] <fsphil> yea dl-fldigi won't work with that directly. you need to get the audio from your SDR program, and get that into dl-fldigi
[14:43] <fsphil> how you do that depends on the operating system
[14:43] <feynman> well
[14:44] <feynman> i wasnt know that
[14:44] <fsphil> I'm not familiar enough with windows to help there
[14:44] <feynman> im working with W8.1 Developer ver
[14:44] <Geoff-G8DHE> best program is VAC which is virtul audio Channels
[14:44] <feynman> i know how to do it
[14:44] <feynman> thanks anyway
[14:44] <Geoff-G8DHE> there is also a free version called BAC or something
[14:44] <feynman> BAC ?
[14:45] <feynman> will check it out
[14:45] <Geoff-G8DHE> not sure of the name
[14:45] <fsphil> you should end up with something like this: http://projectspaceballoon.net/wp-content/uploads/2013/06/image012.png
[14:45] <feynman> but i still dont know
[14:45] <Laurenceb__> hmm
[14:45] <x-f> VB-Cable
[14:45] <Geoff-G8DHE> thats it
[14:45] <Laurenceb__> so if the flight matched the hill test, it suggests that interference is insignificant compared with thermal/lna noise
[14:46] <feynman> how can i connect usb ttl adafruit gps + raspi cam images to radiometrix ?
[14:46] <Laurenceb__> thats counter-intuitive
[14:46] <feynman> thats the main problem
[14:47] <feynman> i can switch to arduino + raspi
[14:47] <feynman> if its gonna help
[14:47] <Geoff-G8DHE> So send a few SSDV frames then send telemetry, repeat
[14:48] <feynman> i need to see code i suppose
[14:48] <feynman> if its possible ?
[14:49] <fsphil> the ssdv encoder is at https://github.com/fsphil/ssdv
[14:49] <feynman> it encoded the image
[14:49] <fsphil> which is not terribly well documented, sorry
[14:49] <feynman> but transmitting ?
[14:50] <fsphil> the file it outputs is a series of 256 byte packets. you take each 256 bytes and send it to the serial port
[14:50] <feynman> i dont know how to do it
[14:50] <fsphil> you may add extra data between packets, such as your gps position
[14:50] <feynman> i did it several times but
[14:50] <feynman> not worked
[14:50] <feynman> so lets say i dont know how to do it
[14:51] <Geoff-G8DHE> Well get the telemetry working first, otherwise you'll never know where you are
[14:51] <fsphil> yea don't worry about images yet
[14:51] <feynman> im building it right now
[14:51] <fsphil> start with a basic pyserial example
[14:51] <fsphil> and expand from there
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[14:51] <feynman> ETA 10 minutes
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[14:59] <Bob_Saget> !ping KM4FSW-11
[14:59] <SpacenearUS> 03Bob_Saget: No contact from 03KM4FSW-11
[15:01] <Geoff-G8DHE> ooh that drift is killing the AFC
[15:02] paul_HAB-P (~paul_HABn@host165-120-29-221.range165-120.btcentralplus.com) joined #highaltitude.
[15:03] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2015_Flights/HABAXE2_20150104/Screenshot-2015-01-04-150257.png
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[15:04] Nick change: Elwell_ -> Elwell
[15:05] <feynman> its not trasmitting
[15:05] <feynman> how can i reset pyserial etc settings
[15:06] <fsphil> http://pyserial.sourceforge.net/pyserial_api.html
[15:07] <fsphil> you see all the parameters when you open it
[15:07] <Geoff-G8DHE> or http://pyserial.sourceforge.net/shortintro.html
[15:07] <feynman> + how can i reset wiringpi GPIO ?
[15:08] <fsphil> serial has nothing to do with gpio
[15:08] <fsphil> other than it's on the same header
[15:08] <day-> !ping B42
[15:08] <SpacenearUS> 03day-: No contact from 03B42
[15:08] <day-> !ping B-42
[15:08] <SpacenearUS> 03day-: No contact from 03B-42
[15:09] <feynman> well
[15:09] <feynman> i messed up with wiringpi gpio
[15:09] <feynman> i think it can cause problems
[15:09] <fsphil> not sure. reboot the pi if you're not sure
[15:09] <fsphil> everything should go back to defaults
[15:10] <feynman> well
[15:10] <feynman> radiometrix transmits nothing
[15:10] <feynman> i should check my diagram i suppose
[15:10] <fsphil> yep
[15:10] Nick change: day- -> day
[15:11] <Bob_Saget> !ping KM4FSW-11
[15:11] <SpacenearUS> 03Bob_Saget: No contact from 03KM4FSW-11
[15:12] <mfa298> feynman: how is the ntx2 connected to the Pi is the ntx2 txd pin connected to the pi uart rx pin or something else.
[15:15] <fsphil> uart tx > ntx2 txd
[15:15] <fsphil> uart rx pin is for data going into the pi
[15:16] <feynman> ntx tx > txd
[15:16] <mfa298> fsphil: that might be even better ;)
[15:16] <feynman> pins connected right
[15:16] <feynman> but i realised
[15:16] <mfa298> with the talks of wiringpi I was just wondering if this was trying to be bit banged like the arduino examples.
[15:17] <feynman> i just put a led with 3v3 and gnd
[15:17] <feynman> led doesnt work at all
[15:17] <qyx_> without resistor?
[15:17] <feynman> with/without
[15:17] <fsphil> might have worked briefly :)
[15:17] <qyx_> i would say it doesnt work anymore
[15:18] <fsphil> leds need a resistor or they die
[15:18] <feynman> tried another led
[15:18] <feynman> tried 3 leds
[15:18] <fsphil> * unless they're being current limited
[15:18] <feynman> will try 4th one now
[15:18] <mfa298> I've had led's on the Pi gpio pins without resistor and it's been ok - although not recommended
[15:18] <fsphil> without a resistor you probably have killed 3 LEDs
[15:18] <qyx_> also it depends on the way you connect them
[15:18] <SpacenearUS> New vehicle on the map: 03KM4FSW-11 - 12http://habhub.org/t/?focus=KM4FSW-11
[15:19] <feynman> which resistor are we talking about ?
[15:19] <mfa298> for 20mA led's 43R resistor in series should be about right
[15:19] <feynman> 43R ? wow
[15:20] <fsphil> LEDs will quite happly let a lot of current flow, breaking them instantly. the resistor limits this to a safe amount
[15:20] <qyx_> leds don't need 20mA nowadays
[15:20] <feynman> i failed hard then :D
[15:20] <qyx_> anything between 220R-4K7 would be good
[15:20] <feynman> oh i tried with 4k7 ?
[15:20] <feynman> let me try with 4th one
[15:20] <qyx_> it depends on the led
[15:20] <fsphil> yea
[15:20] <qyx_> some are bright even at 1mA
[15:21] <fsphil> try a smaller resistor than 4.7
[15:21] <amell> !ping b-64
[15:21] <SpacenearUS> 03amell: Last contact with 03B-64 was 03a month ago
[15:21] <mfa298> might depend on the led (I'm using 5mm ones as it's on protoboard so through hole)
[15:21] <fsphil> * 4.7k
[15:22] <mfa298> ideally you want to check the datasheet for the led's you're using and apply ohms law
[15:22] <feynman> i tried it with resistor
[15:22] <feynman> no luck
[15:22] <feynman> tried the "dead leds" on arduino
[15:22] <feynman> all working
[15:22] <Geoff-G8DHE> what happensif you put led+resistor between ground and supply ?
[15:23] <Geoff-G8DHE> if it doesn't work reverse the LED
[15:23] <feynman> done, still no luck
[15:23] <mfa298> If the LED is on the uart tx pin and you're trying to see the serial data I'm not sure you'd see much.
[15:24] <feynman> led is on
[15:24] <feynman> 3v3
[15:24] <feynman> and gr
[15:24] <feynman> with 4k7 resistor
[15:24] <fsphil> should light up on uart idle
[15:24] <fsphil> stop bit is high
[15:24] <feynman> solution ?
[15:24] <qyx_> so check if your 3V3 pin is really at 3v3
[15:24] <Geoff-G8DHE> keep the LED that way round then they are polarity concious
[15:24] <feynman> did it
[15:25] <feynman> long leg +
[15:25] <feynman> short leg -
[15:25] <qyx_> hm, what color is the led?
[15:25] <feynman> tried on red and green
[15:25] <qyx_> ok
[15:25] <feynman> both
[15:25] <nats`> 4k7 resistor on 3.3 ?
[15:26] <nats`> It seems very low current
[15:26] <feynman> ...
[15:26] <feynman> trying with 5v
[15:26] <nats`> Try to put 1k on 3.3 with a red one
[15:26] <nats`> It should lit
[15:26] <mfa298> if they're larger leds there should be a flat edge on the casing which will be on the negative side (safer than leg length as they could be trimmed shorter
[15:27] <nats`> +1 mfa298
[15:27] <feynman> not large
[15:27] <qyx_> he says it works on arduino
[15:27] <qyx_> so probably the polarity is ok
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[15:28] <nats`> First I would test with 1k it'll give about 2ma
[15:29] <mfa298> feynman: by large I mean 3mm or 5mm wide (as opposed to smaller ones you see on smt boards)
[15:29] <nats`> You can use electrode shape too
[15:29] <nats`> 90% of the time internal big support electrode is the catode
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[15:31] <feynman_> sorry internet problems
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[15:31] <feynman_> so 5 with 4k7 resistor ?
[15:31] <nats`> Yep but still low
[15:32] <feynman_> 5 with 20k resistor ?
[15:32] <nats`> It'll less than 1mA on a red led
[15:32] <feynman_> or 22
[15:32] <feynman_> w/o resistor ?
[15:32] <nats`> No say 3 or 5 with 1 or 2.2k resistor
[15:32] <feynman_> 2.2
[15:32] <feynman_> ok
[15:32] <nats`> Do you know how to apply ohm law ?
[15:33] <nats`> You need about 2 or 3 mA at 1.5v in a red led to be sure it'll lit
[15:33] <nats`> Usually they start lower but hard to be sure
[15:33] <feynman_> V I R ?
[15:34] <feynman_> actually
[15:34] <nats`> U = RI yes but do you know how to apply it ?
[15:34] <feynman_> yes
[15:34] <feynman_> but the problem was
[15:34] <nats`> You need to consider the led voltage
[15:34] <feynman_> i wanted to try if raspi gives current to breadboard
[15:35] <nats`> What do you mean by giving current ?
[15:35] <nats`> If you can power board with raspi IO
[15:35] <nats`> ?
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[15:35] <qyx_> i have a very bad feeling now
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[15:37] <nats`> Ok I'm not sure to understand what you want but starting by correctly lighting a led seems to be a good point
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[15:38] <mfa298> feynman_: possibly a decent quality photo of how you've got things connected up would be useful.
[15:38] feynman (97fa2c21@gateway/web/freenode/ip.151.250.44.33) joined #highaltitude.
[15:38] <feynman> this ISP...
[15:39] <mfa298> 15:38 < mfa298> feynman_: possibly a decent quality photo of how you've got things connected up would be useful.
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[15:39] <mfa298> maybe also look for a real irc client rather than using the web client
[15:39] <feynman> does it matter ?
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[15:41] <nats`> So what did you mean by raspi giving current to breadboard ?
[15:41] <mfa298> a photo of how it's connected up would help save everyone trying to guess how it's all connected up
[15:41] <nats`> Yep
[15:42] <nats`> Unless all wire are same color
[15:42] <feynman> :D
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[15:42] <Reb-SM0ULC> feynman: runing windows or linux or?
[15:42] chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) joined #highaltitude.
[15:43] <nats`> Anyway in first place trying to fix the led problem is the first step
[15:44] <feynman> http://i.hizliresim.com/J7qG6o.jpg
[15:44] <feynman> a little messed up
[15:44] <feynman> i know
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[15:45] <Reb-SM0ULC> feynman: mirc is a pretty good irc-client for windows. x-irc is ok on linux
[15:45] <qyx_> i cannot see the rpi
[15:45] <qyx_> and the led
[15:45] <qyx_> with resistor
[15:45] <nats`> Same no pi no led
[15:45] <feynman> pi ?
[15:45] <feynman> ok
[15:45] <nats`> Everyone should be advised to draw a schematic first. By hand or cad no matter but a schematic
[15:46] <qyx_> or the schematic
[15:46] <feynman> http://www.element14.com/community/servlet/JiveServlet/downloadImage/38-14925-192394/nt2x-schematic.png
[15:46] <jcoxon> who is M1?
[15:46] <jcoxon> (or better who's launch is M1?
[15:46] <nats`> Have to go but I feel we are all confusing 2 different problem here
[15:46] <jcoxon> is it SA6BSS?
[15:47] <feynman> me too
[15:47] <Reb-SM0ULC> jcoxon: yepp
[15:47] <nats`> Pi or no pi that's the question
[15:47] <feynman> pi
[15:47] <feynman> not modified
[15:47] <jcoxon> cool, i assume its a pico
[15:47] <nats`> It's led by no schematic...
[15:47] <feynman> pi b rev2
[15:47] <nats`> But where is it ?
[15:47] <feynman> yeah no led
[15:47] <qyx_> no pi in the schematic nor the picture
[15:48] <qyx_> the same apply to led
[15:48] <feynman> ok wait please
[15:48] <nats`> Ok have to go good luck
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[15:49] <mfa298> for the ntx2 setup then that looks reasonable although I'm sure it could be done with half the wires.
[15:50] <mfa298> and on breadboard each contact is a potential problem so extra wires could lead to extra problems
[15:50] <mfa298> assuming it's a ribbon cable between the Pi and the breadboard you will need to ensure it's the right way around.
[15:51] <Geoff-G8DHE> Are you able to receive the signal yet from the NTX2 even without moduation ?
[15:51] <Geoff-G8DHE> *modulation
[15:52] <feynman> yes its a ribbon
[15:52] <feynman> http://i.hizliresim.com/D8BAD3.jpg
[15:52] <feynman> heres the leds
[15:52] <feynman> w/o connection
[15:52] <Geoff-G8DHE> if you move the 22k resistor between ground +v does it shif as expected ?
[15:53] <feynman> http://i.hizliresim.com/n5jDlN.jpg
[15:53] <feynman> and heres the raspi
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[15:53] <mfa298> when someone asked to see the led and Pi I think they meant connected up to the breadboard
[15:53] <feynman> i didnt tried it
[15:53] <jcoxon> ping Upu
[15:53] <mfa298> I think everyone here's seen an led before
[15:53] <feynman> pi is connected with ribbon cable
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[15:54] <daveake> please upload pix of what you've actually got instead of what you haven't got
[15:54] <Geoff-G8DHE> Its a very simple test, and means you can prove that bit without invlving the computer
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[15:54] <Upu> pong jcoxon
[15:55] <feynman> what should i do now ?
[15:55] <Geoff-G8DHE> Do you have the dongle+sdr#+dl-fldigi set up to Rx ?
[15:56] <feynman> http://i.hizliresim.com/rm6DNV.jpg
[15:56] <feynman> SDR#
[15:57] <daveake> Wrong frequency
[15:57] <Geoff-G8DHE> you will need to tune to the NTX2 frequency 434.xxx
[15:57] <feynman> yeah i know
[15:57] <feynman> i was just scanning
[15:57] <feynman> with hope
[15:57] <daveake> well it's a useless pic
[15:58] <feynman> what pic do you need ?
[15:58] <Geoff-G8DHE> when you can see the carrier cleanly try moving the orange wire on bb11 between +5v/3.3 and ground you should see the Tx change freq.
[15:58] <daveake> Well you were asked to show one with the Pi and breadboard connected up
[15:58] <daveake> That would be a start
[16:00] <feynman> okay
[16:00] <SpacenearUS> New position from 03EDUPITS after 0320 hours silence - 12http://habhub.org/t/?focus=EDUPITS
[16:01] <feynman> http://i.hizliresim.com/7V7Lpr.jpg
[16:02] <feynman> Geoff
[16:03] <Geoff-G8DHE> yes
[16:03] <feynman> so i should move the orange cable on bb11 between 5v/3.3v
[16:03] <feynman> ?
[16:03] <mfa298> that ribbon cable is the wrong way around
[16:03] <Geoff-G8DHE> between the supply rail and 0v
[16:03] <feynman> really ?
[16:04] <Geoff-G8DHE> it simply shows that the freq. is changing then you can connect the computer and worry about code
[16:04] <Geoff-G8DHE> that's all the computer serial port is dooing switching between 0v and rail
[16:04] <mfa298> if you havn't already lookup where the gpio pin locations are on the Pi then trace through to where they are on the breadboard
[16:05] <feynman> well
[16:05] <feynman> i could say ribbon connection is right
[16:05] <feynman> because it worked at first try
[16:06] <daveake> It's wrong
[16:06] <feynman> how can i fix it ?
[16:06] <mfa298> if gpio7 was high and gpio24 was low you might get something from the ntx but you're not going to get enough power to do anything useful
[16:07] <feynman> and how is it wrong ?
[16:07] <mfa298> turn the ribon cable around at one end
[16:07] <daveake> Look up the Pi GPIO pinouts
[16:07] <Oddstr13> I'm amazed by this experimental hf driver for the rtl-sdr..
[16:07] <daveake> Try a bit of understanding
[16:07] <daveake> The Pi GPIO pinout, plus that NTX2 diagram you had earlier, should tell you all you need to know
[16:08] <Oddstr13> I'm getting a partial decode of DDK2 with a ~1.6m random wire antenna right now
[16:08] <mfa298> and to save a quick google http://elinux.org/images/2/2a/GPIOs.png
[16:08] <feynman> i flipped over the gpio ribbon
[16:08] <feynman> now im getting
[16:08] <feynman> a sharp
[16:08] <feynman> signal
[16:08] <daveake> oh
[16:08] <daveake> good
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[16:09] <mfa298> you might also find the LED (with a resistor) works now and maybe even sending data via the pi uart
[16:09] <feynman> http://i.hizliresim.com/jvXDmr.jpg
[16:09] <feynman> that sharp
[16:09] <feynman> will try the led now
[16:10] <feynman> led is working
[16:10] <feynman> that raspi case lied to me...
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[16:11] <mfa298> I don't see anything suggesting the raspberry case lied to you.
[16:11] <feynman> case was built with
[16:12] <mfa298> a lack of reading and understanding the available information might have lied
[16:12] <feynman> forget it
[16:12] <feynman> now i will install the raspi cam
[16:12] <feynman> with gps
[16:12] <feynman> and lets see if i can transmit that data
[16:13] <feynman> thank you all
[16:13] <Geoff-G8DHE> good luck
[16:13] <jededu> ping daveake
[16:13] <mfa298> if you based it on the cutout on the case. if you removed the cable at both ends and plugged the breadboard end into the Pi and the pi end into the breadboard it would probably match the cutout (the bit that's likely to give truth is having the wire with the white strip at the SD card end of the connector on the Pi
[16:14] <daveake> pon jededu
[16:14] <daveake> g
[16:14] <jededu> Is BMP085 still supported in the latest software ?
[16:15] <daveake> sure
[16:15] <mfa298> I'm making a dangerous assumption there that the cable has notches so that it only goes into the breadboard end one way around, if not note where the white stripe is at both ends
[16:15] <daveake> code is unchanged. The 180 is 100% compatible, they say
[16:15] <jededu> Ok not seeing it mmm
[16:15] <daveake> Not tried one yet but I have a few here and will try
[16:15] <daveake> oh?
[16:15] <daveake> You have to enable it
[16:15] <jededu> Done :)
[16:16] <jededu> Just not seeing it ill try another one
[16:16] <daveake> and it's producing zeroes? Anything useful in stdio?
[16:16] <daveake> ok
[16:16] <daveake> I've not tried one in a while, but the code's not changed (famous last words)
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[16:18] <daveake> Do you have I2C enabled? Does the device appear in the i2c map?
[16:18] <daveake> Also if it's a very early Pi then those use a different i2c port
[16:18] <jededu> Iys enabled ill check
[16:18] <jededu> Its
[16:19] <Reb-SM0ULC> mm, possible to activate some of our polish friends?
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[16:19] <Reb-SM0ULC> M1-signal is fading out
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[16:20] <daveake> jededu There was something recently about raspi-config not enabling i2c correctly
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[16:31] <fiftydollarsat> From the Logs I kept (and using an online co-ordinate calculator) the HABAXE2 LoRa UKHAS payload at 1042bps @ 10dBm were last recieved error free at 269km.
[16:31] <fiftydollarsat> Antenna was a Diamond Omni co-linear, no LNA used.
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[16:33] <Geoff-G8-> last green was 309Km here but getting the odd error on ones since its now at 327km
[16:33] <Geoff-G8-> the drift during the transmission is getting a bit large!
[16:34] <Geoff-G8-> but that was RTTY
[16:35] <Geoff-G8-> 300Hz drift during the tx
[16:39] HF_ATL (~HF_ATL@104.235.54.77.rev.vodafone.pt) joined #highaltitude.
[16:42] <Oddstr13> http://puu.sh/e3Yen/8636d14328.png
[16:43] <fiftydollarsat> Well, notwithstanding the reported temperature reading is incorrectly reported with an offset of -128, the 'real' temperature is around -38C.
[16:44] Lunar_Lander (~kevin@p548891B2.dip0.t-ipconnect.de) joined #highaltitude.
[16:44] <Lunar_Lander> hello
[16:44] <feynman> hi
[16:44] <craag> Afternoon Lunar_Lander
[16:44] <fiftydollarsat> So with the TX so cold, when the RTTY turns on and warms the chip it is going to shift in frequency a lot.
[16:45] <Lunar_Lander> hi craag and feynman
[16:45] <feynman> fsphil are you here ?
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[16:58] <feynman> how can i connect on mirc to here ?
[16:59] ghoti (~paul@hq.experiencepoint.com) joined #highaltitude.
[16:59] <Lunar_Lander> you connect to freenode first
[16:59] <Lunar_Lander> (I don't know that much about mirc, sorry)
[17:01] SP3OSJ (563f462a@gateway/web/freenode/ip.86.63.70.42) joined #highaltitude.
[17:02] <SP3OSJ> Hi, I'm new. What are the parameters M1 balloon?
[17:04] <SP3OSJ> OK, Heppy New Year!. Please write parameteres M1
[17:07] <SP3OSJ> Where's the old map (www) google-balloons?
[17:08] <Reb-SM0ULC> SP3OSJ: same as habaxe
[17:09] <EwanP> SP30SJ: M1 is 434.52
[17:09] <mfa298> feynman: server irc.freenode.net, channel, #highaltitude should do it.
[17:10] <SP3OSJ> RTTY????
[17:10] <SP3OSJ> speed
[17:10] <SP3OSJ> shift
[17:11] <Reb-SM0ULC> rtty 100/7/n/2
[17:11] <craag> !payload HABAXE2
[17:11] <SpacenearUS> 03craag: Payload 03HABAXE2 10(e3c5) 03$$HABAXE2 - 03Primary - 03434.4 MHz USB 03RTTY 100/366Hz ASCII-7 none 2
[17:11] <Reb-SM0ULC> i think the shift was up to about 500 now
[17:11] <jededu> Sorry daveake no i2c tools but I can see it
[17:11] <jededu> now
[17:12] <SP3OSJ> Reb-SM0ULC: thanks you information
[17:14] <jededu> daveake Ill enable it manually just in case
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[17:19] <Oddstr13> why not write it as 7N2 ?
[17:20] <Reb-SM0ULC> Oddstr13: tired
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[17:20] <Oddstr13> okay :P
[17:20] <feynman> hey
[17:21] <Oddstr13> Reb-SM0ULC: http://puu.sh/e3Yen/8636d14328.png
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[17:22] <feynman> when i transmit a echo with radiometrix
[17:22] Nick change: SNC -> Guest10593
[17:22] <feynman> i get http://i.hizliresim.com/ZAMBza.jpg this with dl-fldigi
[17:22] <feynman> http://i.hizliresim.com/N9lB8O.jpg
[17:24] <feynman> how can i solve it
[17:24] <SP3OSJ> Someone knows the address of the old map (old is of gold is)
[17:24] <Geoff-G8-> feynman, what do you mean an echo ?
[17:25] <feynman> echo Hello World > /dev/ttyAMA0
[17:26] <Geoff-G8-> you don't appear to be feeding an audio into dl-fldigi or at least nothing on the w/f
[17:26] <feynman> im feeding it
[17:26] <Geoff-G8-> there is an audio signal but insufficent as the the diamond hasn't turned green lower right corner
[17:26] <feynman> okay
[17:26] <feynman> let me try again
[17:27] <Oddstr13> feynman: try turning up the volume in SDRSharp
[17:27] <Laurenceb__> balloons in Hong Kong?
[17:27] <Geoff-G8-> yes its very low
[17:27] <Upu> no Laurenceb
[17:27] <Geoff-G8-> the diomd lower right cornet should go green when sufficent and red when too much
[17:27] <Geoff-G8-> diamond
[17:27] <Laurenceb__> hmm USA callsign
[17:28] <Upu> position is faked it has no GPS
[17:28] <Laurenceb__> oh lol
[17:28] <Laurenceb__> what is it? some sort of minimal floater?
[17:28] <Upu> think its bob sagets
[17:28] <Upu> not sure on tech details
[17:29] <SP3OSJ> Hi Anthony. Happy New Year for You, you family and you animals!
[17:29] <Oddstr13> feynman: about halfway seems to be fine for me (volume in SDR#)
[17:29] <feynman> did it
[17:29] <feynman> and got this
[17:29] <Upu> why thank you Artur likewise :)
[17:29] <Geoff-G8-> feynman, You really need to try tracking a few real balloons with dl-fldigi to get the feel of using it as well
[17:29] <feynman> http://i.hizliresim.com/12VWOB.jpg
[17:29] <Upu> 404 signal not found
[17:30] <feynman> heres the result of green sapphire :p
[17:30] <Geoff-G8-> pull the squelch slider down in the lower right corner, its not ON but can be confusing in the future
[17:30] <feynman> Geoff, i will try it for sure
[17:31] <Geoff-G8-> are you certain you have the audio path selected in both sdr# and dl-fldigi ?
[17:32] <Geoff-G8-> dl-fldigi - Configure| soundcard
[17:32] <feynman> yes
[17:32] <feynman> virtual one
[17:32] <Reb-SM0ULC> Oddstr13: with the drive?
[17:32] <Oddstr13> feynman: listen in on it?
[17:32] <Oddstr13> Reb-SM0ULC: yep, the rtl-sdr
[17:32] <Geoff-G8-> it really doen't look like the audio is getting thru
[17:33] <HB9RSU> any hints for a rope cutter which can be triggered from a PI or so? Pyro or not...
[17:33] <Reb-SM0ULC> Oddstr13: on 1.6 m random wire?
[17:33] <Lunar_Lander> something like a wire that gets hot?
[17:33] <feynman> geoff, i got the green diamond ?
[17:33] <Lunar_Lander> have a mosfet that the pi can operate
[17:33] <Oddstr13> Reb-SM0ULC: indeed xD
[17:33] <craag> (put the mosfet on a seperate battery pack)
[17:33] <Lunar_Lander> yea
[17:33] <Geoff-G8-> yes but normally you would see a noise pattern in the w/f
[17:33] <Oddstr13> feynman: http://puu.sh/e45pZ/828e469549.png
[17:34] <Reb-SM0ULC> Oddstr13: your dongle must be blessed by something.. :)
[17:34] <Oddstr13> Reb-SM0ULC: hehe, it was even one of the cheaper ones I could find on ebay..
[17:34] <HB9RSU> a melting wire needs quite some power :-(
[17:35] <Geoff-G8-> ah you haven't chosen a playback file have you ?
[17:35] <feynman> playback file ?
[17:35] <craag> HB9RSU: A couple of amps at a few volts for a few seconds
[17:35] <craag> Doable off 2x AA I think
[17:35] <Oddstr13> Reb-SM0ULC: only got those two decodes tho, from netherland should I belive the callsign
[17:36] <craag> Dave did an article on it iirc
[17:36] <Reb-SM0ULC> Oddstr13: wspr on 80m ?
[17:36] <Geoff-G8-> you appear to have read the logbook
[17:36] <Reb-SM0ULC> Oddstr13: but very cool anyway!
[17:36] <Reb-SM0ULC> Oddstr13: my spectrum is blank <10 mhz
[17:36] <Oddstr13> Reb-SM0ULC: that would be JT65A on 80m :P
[17:37] Action: mfa298 wonders where feynman got the drive that can hold a 646PB file from (looking at the 17:29 screenshot )
[17:37] <Oddstr13> Reb-SM0ULC: well, I need to adjust the gain when moving up and down in the bands
[17:37] <Oddstr13> Reb-SM0ULC: but, yea, there wasn't anything visible in SDR# when I got those two decodes
[17:38] <Oddstr13> not from the JT65 anyway
[17:38] <Reb-SM0ULC> Oddstr13: have more dongles. will try some more
[17:38] <feynman> http://i.hizliresim.com/EzrdG9.jpg ?
[17:38] <craag> mfa298: Quite some bandwidth too!
[17:38] <feynman> still random letters
[17:38] <Geoff-G8-> that looks more like it
[17:39] <Geoff-G8-> the normal problem at this stage is too much signal from Tx to Rx normally NO awrials and as much distance as possible
[17:39] <fsphil> looks backwards. the idle tone should be higher
[17:39] <Oddstr13> Reb-SM0ULC: http://puu.sh/e465D/3d168513cc.png 28dB, 48dB, 49.6dB(max)
[17:39] <SA6BSS-Mike> SP3OSJ: http://spacenear.us/tracker/fullscreen.php or http://spacenear.us/tracker/old.php
[17:39] <fsphil> check the receiver is in USB mode
[17:39] <feynman> it is ?
[17:40] <fsphil> in the sdr program too?
[17:40] <feynman> yes
[17:40] <SpacenearUS> New vehicle on the map: 03PAYLOAD - 12http://habhub.org/t/?focus=PAYLOAD
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[17:41] <fsphil> you might need to select the option to reverse I/Q channels
[17:41] <feynman> AOVPTBKOVPTB says something like this when i transmit something
[17:41] <fsphil> some dongles need it
[17:41] <Geoff-G8-> he has
[17:41] <fsphil> ah. maybe he doesn't need it then :)
[17:41] <Geoff-G8-> turn the AGC off as well to start with in SDR#
[17:42] <feynman> ok
[17:42] <Oddstr13> oh, yea, no AGC.
[17:42] <Geoff-G8-> you might want to play later but its just another control to avoid to start with!
[17:42] <Oddstr13> use the RF gain slider manualy
[17:43] <Oddstr13> http://puu.sh/e46BX/51ebd1c02a.png
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[17:43] <fsphil> but basically if the receiver is in USB mode, the tone you get when not sending data should be the higher one
[17:43] <SP3OSJ> SA6BSS-Mike: OK thanks!!!!!! Good web side old maps!
[17:43] <feynman> MWSNNK;
[17:44] <feynman> sends something like this now
[17:44] <SA6BSS-Mike> yepp, I like this http://habmap.philcrump.co.uk/
[17:44] <Geoff-G8-> try hitting the Rv button to reverse the tones
[17:44] <Reb-SM0ULC> Oddstr13: very impressive. have to try some more later tonight.
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[17:47] <feynman> MSNNK;, M
[17:47] <feynman> now gives this
[17:47] <Oddstr13> http://puu.sh/e470V/dea1f2fdfe.png horizontal lines are likley qrm from motor starting and stopping in the barn :P
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[17:51] <deano86> Hey everyone
[17:51] <deano86> Hope you all had a good christmas
[17:51] <deano86> && new year
[17:52] <feynman> no luck
[17:53] <Geoff-G8-> What RTTY parameters are you running baud, bits stop etc
[17:55] <feynman> http://i.hizliresim.com/GpPMyV.jpg
[17:55] <feynman> these parameters
[17:55] <Geoff-G8-> baudot not ascii 8 or 8 bit???
[17:55] <Geoff-G8-> 7 or 8 bit
[17:56] <Geoff-G8-> they must match what you transmit
[17:56] <feynman> who ?
[17:56] <Geoff-G8-> although the stop bits can be less than what you send from the Tx end
[17:56] <feynman> oh
[17:56] <Geoff-G8-> You have 5 bit Baudot code selected not 7 or 8 Bot ASCII
[17:57] <feynman> i did it now
[17:57] <feynman> :d
[17:57] <feynman> baud rate to 50kps 7 character bits and two stop bits
[17:57] <Geoff-G8-> Yup there critical and easy to get wrong!
[17:57] <feynman> yeah
[17:57] <feynman> thank you so much
[17:57] <Geoff-G8-> 50BPS no k I hope!
[17:58] <feynman> just 50
[17:58] <Geoff-G8-> Seriously you need to track a couple of flights to learn how to drive dl-fldigi, it will be critical when your tracking
[17:58] <feynman> i will
[17:58] <feynman> and i really want to :)
[17:59] <Geoff-G8-> in a car when lots of other things are gong on or prior to launch when
[17:59] <Geoff-G8-> its mayhem the first cople of times ;-)
[17:59] <feynman> ah by the way
[17:59] <feynman> i git cloned fsphil's ssdv
[17:59] <feynman> but dont know how to test it
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[18:00] <Geoff-G8-> Don't at this stage get the telemetry working and tested there are a million pitfalls in sorting out the GPS
[18:00] <jededu> ping daveake
[18:00] <Geoff-G8-> alone and making sure its trackable, if you get that wrong you loose the payload cameras an all
[18:01] <feynman> okay
[18:01] <Geoff-G8-> especially the gotyou's in fornmatting the strings to send.
[18:01] <mclane_> someone succeeded to install dl-fldigi in arch linux?
[18:01] <feynman> so i got the gps running
[18:01] <feynman> how can i transmit gps data on rtty
[18:02] <mfa298> feynman: get the telemetry going first (as Geoff-G8- just said), then try and get the telemetry going at a higher speed (300 baud) then worry about ssdv.
[18:02] <feynman> i tested gps 45 times
[18:02] <Geoff-G8-> you need to go back to the wiki and learn the HAS protocol
[18:02] <Geoff-G8-> !wiki protocol
[18:02] <SpacenearUS> 03Geoff-G8-: Found 034 results for you query - 12http://ukhas.org.uk/start?do=search&id=protocol
[18:02] <feynman> HAS protocol ?
[18:02] <feynman> okay
[18:03] <mfa298> until you can successfully get telemtry at 300 baud it's not worth thinking about ssdv
[18:03] <Geoff-G8-> http://ukhas.org.uk/communication:protocol
[18:04] <Oddstr13> mclane_: I had it working for a while, but it stopped working a while back
[18:04] <Oddstr13> havn't looked too much into it after that
[18:04] <mclane_> I tried to get it through yaourt
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[18:05] <Oddstr13> AUR manager, right?
[18:05] <mclane_> yes
[18:05] <mclane_> there is a package available in AUR
[18:05] <Oddstr13> I use pacaur, but should be the same
[18:05] <Oddstr13> but, as I said, I havn't had it working in a while
[18:06] <mclane_> but compiling generates an errorin misc/newinstall line 488
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[18:07] <Oddstr13> I'm not booted into Arch at the moment, so I can't try it myself right now
[18:07] <feynman> mfa298 how can i make it work at 300 bps ?
[18:08] <feynman> im sure it cant work like stty 300 cs7 cstopb < /dev/ttyAMA0
[18:08] <feynman> what is the trick ?
[18:09] <mfa298> feynman: worry about getting 50 baud decoding properly first as that's the easiest setup
[18:09] <feynman> 50 baud ?
[18:09] <feynman> i tried with 50 baud
[18:09] <feynman> and it worked ( thanks to Geoff-G8-)
[18:09] <mfa298> 300 baud then just needs the tx and rx settings updated but it's not as easy to decode and debug
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[18:10] <feynman> can you guide me ?
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[18:12] <mfa298> for the tx side you're on the right track (I don't have a setup to see if that's exactly the right command)
[18:12] <mfa298> then you just need to configure dl-fldigi for 300 baud
[18:12] <feynman> yeah i did it
[18:12] <feynman> and i got
[18:12] <feynman> @ @ @ and @ s
[18:14] <qyx_> oh god
[18:14] <qyx_> i asked if you have 3.3V, you said yes
[18:14] <qyx_> how could you have with the ribbon cable inserted the wrong way?
[18:14] <feynman> :D
[18:15] <feynman> my fault
[18:15] <mfa298> qyx_: I'm guessing a bit of parasitic power via the gpio, but I don't think you can pull much like that
[18:15] <feynman> mfa298
[18:15] <feynman> it doesnt work
[18:16] <feynman> there must be a trick :p
[18:16] <daveake> no
[18:16] <fsphil> good chance of aurora tonight, if you have clear skies. pitty about the full moon
[18:16] <Geoff-G8-> and the south Downs to the North of me ;-)
[18:17] <mfa298> make sure you're really happy receiving 50 baud teletmery first.
[18:18] <mfa298> Personally I'd probably then go for a basic program to send the telemetry rather than just piping words to the uart (i.e. a python loop sending some text)
[18:18] <fsphil> I'll miss the sound of 50 baud when it inevitibly gets replaced with something better :)
[18:18] <fsphil> same way I miss the sound of dialup
[18:20] <feynman> im still using dialup so im not gonna miss it
[18:20] <feynman> :p
[18:20] <feynman> by the way
[18:20] <feynman> gives something like that
[18:20] <feynman> `||p@x||\x`||``x|~\x
[18:20] <feynman> 300 baud
[18:23] <feynman> what could be wrong ?
[18:23] <Geoff-G8-> You have changed dl-fldigi ?
[18:23] <feynman> yes
[18:23] <Geoff-G8-> right number of bits
[18:23] <feynman> bits
[18:24] <feynman> 7 character bits and two stop bits
[18:24] <Geoff-G8-> 7 bit or 8 bit ascii
[18:24] <Geoff-G8-> this is a UART generated string not bit banged ?
[18:25] <feynman> explain ?
[18:26] <Geoff-G8-> is it being generated by hardware (UART) or is it code that might be sending the wrong timing pattern
[18:28] <feynman> im not sure
[18:28] <feynman> how can i check
[18:29] <Geoff-G8-> You need to do some more reading look up UART and look up Bit Banging
[18:29] <feynman> i set baud rate with this
[18:29] <feynman> stty 300 cs7 cstopb < /dev/ttyAMA0
[18:29] <feynman> !wiki UART
[18:29] <SpacenearUS> 03feynman: No results for your query
[18:29] <Geoff-G8-> It sounds like its a UART then, no wikipedia for this levelof understanding its not HAB specific
[18:30] <daveake> It is UART. The problem is probably something set wrong in dl-flgidig. e.g. shift or filter width
[18:32] <feynman> carrier shift is 1049
[18:32] <feynman> receive filter bandwidth 68
[18:32] <feynman> custom shift 450
[18:34] <daveake> Set the filter bandwidth to auto
[18:34] <daveake> and your other 2 statements are mutually exclusive
[18:34] <daveake> or you need to set the shift in dl-fldigi to 1049
[18:34] <daveake> (though +/-10 is fine)
[18:35] <feynman> auto is
[18:35] <feynman> made everything fine
[18:35] <feynman> *has
[18:36] <feynman> thank you
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[18:38] <feynman> so now
[18:38] <feynman> transmitting images over rtty
[18:38] <feynman> fsphil ?
[18:39] <feynman> anyone ?
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[18:40] <mfa298> do you understand all the things you've done so far (i.e. if you were given a box of bits and a clean dl-fldigi system) could you get it working with no extra help.
[18:41] <feynman> yes
[18:41] <feynman> thats the main thing i suppose
[18:41] <daveake> I suggest you start by writing code to receive GPS data
[18:42] <daveake> then reformat that data and send it as a UKHAS style telemetry string
[18:42] <daveake> After that do the images
[18:42] <Lunar_Lander> back from dinner :)
[18:42] <feynman> okay
[18:42] <Lunar_Lander> btw feynman where are you from if I may ask?
[18:42] <feynman> Turkey
[18:44] <feynman> by the way
[18:44] <feynman> im manager of a datacenter
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[18:45] <feynman> if you need any resource about servers etc, i can help about it
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[18:46] <Lunar_Lander> cool
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[18:51] <DL7AD> !flight M1
[18:51] <SpacenearUS> 03DL7AD: Can't find a flight doc matching your query
[18:51] <DL7AD> does anyone know some information about M1?
[18:52] <HB9RSU> oh, HABAXE2 is coming closer ... I should turn on my rig
[18:53] <Geoff-G8-> !payload M1
[18:53] <SpacenearUS> 03Geoff-G8-: Can't find a flight doc matching your query
[18:53] Nick change: Geoff-G8- -> Geoff-G8DHE
[18:54] <li4m0> Ping jededu
[18:56] <jededu> Hi Li4m0
[18:57] <arko> http://www.flightradar24.com/531c9fe
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[18:57] <li4m0> You testing a pits board? I got excited that I might be able to track something
[18:58] <jededu> Just testing trying to get the sensor to work
[18:58] <gb73d> arko is there a loon in flight atm ?
[19:00] <li4m0> Ha ok thought I'd missed something
[19:03] <arko> someone should write an adsb importer for habhub :P
[19:04] <Upu> wouldn't suprised if lz1dev hasn't already done it
[19:05] <arko> srsly
[19:05] <arko> blah, i keep typing in the old mobile.habhub url
[19:05] <DL7AD> !flight HABAXE2
[19:05] <SpacenearUS> 03DL7AD: Flight 10(e3c5): 03HABAXE2 10(1 payload) - Launch date 03Today at 09:30 from 03Caerphilly, UK 10(51.5621,-3.2228)
[19:05] <jcoxon> Upu, https://reprappro.com/shop/reprap-kits/huxley-duo-hardware-kit/
[19:05] <DL7AD> !payload HABAXE2
[19:05] <SpacenearUS> 03DL7AD: Payload 03HABAXE2 10(e3c5) 03$$HABAXE2 - 03Primary - 03434.4 MHz USB 03RTTY 100/366Hz ASCII-7 none 2
[19:06] <Upu> thats cheap :)
[19:06] <jcoxon> its got no plastic parts
[19:06] <jcoxon> you'd need to get them from someone (with a printer)
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[19:06] <Upu> you mean print your own parts ?
[19:07] <jcoxon> well i could print you the parts
[19:07] <Upu> the full kit is only 246.50
[19:07] <jcoxon> yeah
[19:07] <Upu> "only"
[19:07] <jcoxon> be prepared for about 2 weeks worth of construction
[19:07] <feynman> :D
[19:07] <jcoxon> Upu, i made a moxon antenna https://www.flickr.com/photos/jcoxon77/16188428175/in/photostream/
[19:08] <jcoxon> for ukhasnet
[19:08] <Upu> I saw it on twitter
[19:08] <Upu> looks good
[19:08] <Upu> soon...
[19:08] <jcoxon> hehe
[19:08] <arko> jcoxon: nice!
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[19:13] <SP9UOB-Tom> evening all
[19:13] <gb73d> nice work
[19:13] <feynman> evening
[19:13] <arko> look at that, feynman had come to life again in irc form
[19:13] <arko> :P
[19:14] <SP9UOB-Tom> ;-)
[19:14] <feynman> :)
[19:14] <Reb-SM0ULC> SP9UOB-Tom: Evening! :)
[19:15] <SP9UOB-Tom> evening Reb-SM0ULC :-)
[19:16] <Babs> Feynman - I love your lectures, the six easy pieces, the six more difficult pieces, all of it.
[19:16] <Babs> You yo arko
[19:16] <Babs> *yo
[19:16] <nick_> Babs: you know his text books/lectures are online free these days?
[19:17] <arko> Babs: yo!
[19:17] <Babs> thanks nick_ - yes, know that
[19:17] <nick_> ttp://www.feynmanlectures.caltech.edu
[19:17] <SA6BSS-Mike> DL7AD: M1 434.520 430 7N2
[19:18] <DL7AD> SA6BSS-Mike: thanks. got already the information
[19:18] <SP9UOB-Tom> DL7AD: hi Sven :-)
[19:18] <DL7AD> hi tom :)
[19:18] <qyx_> oh, M1 will go probably directly overhead
[19:18] <SP9UOB-Tom> DL7AD: https://www.youtube.com/watch?v=ZlATOHGj9EY :-)
[19:19] <qyx_> quick question, do i have to start dl-fldigi with --hab parameter?
[19:19] <qyx_> or maybe, wiki first
[19:19] <jededu> Does thr PITS still store images when the SSDV is off ?
[19:20] <daveake> yes
[19:20] <Babs> arko - totally cracked my boomerang balloon project http://www.darrinward.com/lat-long/?id=401441
[19:20] <daveake> just the large images
[19:20] <daveake> check/edit the camera script file
[19:20] <jededu> Ok cool that makes sense
[19:21] <jededu> Nothing from the BMP085 yet
[19:21] <arko> Babs woah neat
[19:21] <arko> what is that a log of exactly?
[19:21] <Babs> my Christmas driving
[19:21] <daveake> jededu Does the O/S see it?
[19:21] <jededu> Yes 77
[19:22] <daveake> OK I'll take a look
[19:22] <Babs> safe to say the wife is tired of the flashing green LED on the dashboard, but I am happy it is working
[19:22] <arko> oh!
[19:22] <arko> nice
[19:22] <arko> :)
[19:22] <jededu> When you are ready no rush
[19:22] <Babs> i've got the maths working for the haversine bearings too, so once I insert that I can also get the analogue pins to pop out a varying voltage according to the bearing of a target point
[19:22] <daveake> Yeah, battling a cold at the mo and tomorrow will be "back at school" time for my customers
[19:23] <Babs> link that up with the Alexmos board and I have a nice camera pointy system
[19:23] <jededu> Yes im back tomorow went in today to reboot everything :)
[19:24] <arko> Babs: when do you think you'll fly it?
[19:24] <jededu> No teachers giving me earache at 7:00am
[19:25] <Babs> going to fly the tracker first with a simple camera because I don't have the time to design individual widgets to hold carbon fibre of varying lengths
[19:25] <Babs> First concorde, then the space shuttle, now Babs balloon construction. All backward steps.
[19:26] <arko> lol
[19:26] <arko> one giant moonwalk for mankind
[19:26] <Babs> Then a full up and down flight next year. I have a rockblock so I can totally (famous last words) take it straight up and down just to see whether it works.
[19:27] <arko> hah nice
[19:27] <Babs> then its a case of booking flights and us all meeting in Kentucky in three years to send the proper thing off and be spectacularly underwhelmed
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[19:27] <Babs> what are you working on at the mo? I've seen some teeny tiny trackers
[19:28] <arko> been busy with a billion other things :(
[19:29] <arko> last two quarters of classes left, building some robots, one is a AUV and the other is a small autonomous vehicle which may have project tango tablet integrated into it
[19:29] <arko> no had stuff since summer sadly :/
[19:29] <arko> also yes, 2017 will be the year UKHAS is hosted in the US
[19:29] <Babs> we should all abandon being able to spend 10 mins every week on our hobby, and instead fund a full time builder of stuff that we can live vicariously through
[19:29] Action: arko dreams of that day
[19:29] <Babs> sweet
[19:29] <arko> :P i wis
[19:29] <arko> h
[19:30] <daveake> That'll eclipse the GPSL effort
[19:30] <Babs> also, I need someone to build some pyros stateside *looks at arko*
[19:30] <arko> daveake: ukhas is cooler
[19:30] <arko> just sayin :P
[19:30] <Babs> its going to be difficult enough getting it all through customs without small explosive charges
[19:31] <arko> lol
[19:31] <arko> i would advise against that
[19:32] <Babs> you guys have loads of gunpowder over there anyway, outlaw Josey Wales etc.
[19:32] <arko> we still have horses and cowboy hats
[19:32] <Upu> Babs will your stuff be ready for March ?
[19:32] <arko> it's practically 1850s still
[19:33] <Babs> Upu whats happening in March?
[19:33] <arko> bbl
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[19:33] <Upu> partial eclipse
[19:33] <Babs> not unless i get sacked tomorrow and my next couple of months frees up
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[19:34] <Upu> whats your bosses phone number and wifes name pls ?
[19:34] <daveake> lol
[19:34] <jcoxon> eek
[19:34] <qyx_> ok, fldigi doesn't want to start with invalid configuration
[19:34] <qyx_> last time someone had the same problem
[19:34] <jcoxon> you need to delete the config files and start again
[19:34] <jcoxon> and run the wizard
[19:34] <qyx_> yep, did that now
[19:35] <qyx_> it works also in --hab mode now
[19:35] <Babs> if i had two weeks straight and the complete set of Battlestar Gallactica DVDs I could totally complete it
[19:35] <daveake> priorities ..
[19:35] <Babs> Upu - I'll give you the number if you agree to pay my mortgage - seems like a fair trade
[19:35] <Upu> lol
[19:35] <feynman> well
[19:36] <feynman> something weird just happened
[19:36] <Babs> you were the one that told us that the theory of light and matter was strange Feynman, you have yourself to blame
[19:36] <Upu> lol
[19:39] <feynman> my rtty signal is
[19:39] <feynman> not straight
[19:40] <feynman> its a little
[19:40] <feynman> sideward
[19:40] <Babs> its probably just a phase its going through. As long as it is happy that is all that matters.
[19:40] <feynman> it moves
[19:41] <feynman> its alive !
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[19:42] <sq3dho> SP3OSJ: Witam !
[19:43] edmoore (~ed@82.6.148.64) joined #highaltitude.
[19:43] <SP3OSJ> cze
[19:43] <sq3dho> SP3OSJ: M1 widzê, ¿e leci w nasz¹ stronê, nadaje tylko na 434.520 ?
[19:44] <SP3OSJ> 434517,5
[19:44] <SP3OSJ> olny: 434517,5
[19:45] <sq3dho> SP3OSJ: czy masz mo¿e stronê z jakimiœ danymi na jego temat ?
[19:45] <sq3dho> SP3OSJ: Ja u siebie w POZ jeszcze nic tam nie s³yszê (kiepska lokalizacja)
[19:49] <sq3dho> !payload M1
[19:49] <SpacenearUS> 03sq3dho: Can't find a flight doc matching your query
[19:50] Jerry (5faa14ae@gateway/web/freenode/ip.95.170.20.174) joined #highaltitude.
[19:50] <sq3dho> !flight M1
[19:50] <SpacenearUS> 03sq3dho: Can't find a flight doc matching your query
[19:51] <sq3dho> Hi everyone, are there any onformations abt M1 flight ?
[19:51] <lz1dev> try again
[19:51] <sq3dho> thx
[19:51] <sq3dho> !flight M1
[19:51] <SpacenearUS> 03sq3dho: Flight 10(89fb): 03M1 10(1 payload) - Launch date 03Today at 20:00 from 03Habo N, Sweden 10(58,14)
[19:51] <sq3dho> !payload M1
[19:51] <SpacenearUS> 03sq3dho: Payload 03M1 10(89fb) 03$$M1 - no transmissions
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[19:53] <sq3dho> !Payload M1
[19:54] <lz1dev> it doesn't have the frequency configured
[19:54] <lz1dev> !dial M1
[19:54] <SpacenearUS> 03lz1dev: Latest dials for 03M1 10(89fb): 03434.5 MHz, 434.517593 MHz, 434.52 MHz
[19:54] <feynman> what is the meaning of this error ?
[19:54] <feynman> ssdv_enc_get_packet failed: 1
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[19:55] <Jerry> Hi everyone, what is the dial frequency for HABAXE2?
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[19:55] <daveake> 434.4
[19:55] <lz1dev> Jerry: if you click the question mark on the tracker, there is a calendar in the right
[19:55] <lz1dev> you can expand that
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[19:57] <daveake> feynman SSDV is 8-bit data you need to be txing and rxing 8 bits and you need to switch off any output translations (e.g. CR --> CR LF)
[19:57] <Jerry> Thanks Dave, I am about 120Km west of its last position and have been listening 434.4 USB for about 30 mins with nothing heard
[19:59] <li4m0> Daveake. Does the LoRa gateway.git support sending ssdv images using the pi camera and RFM98HW 
[20:03] <daveake> yes
[20:03] <edmoore> it's like staying at a luxury hotel. anything is possible if you just ask
[20:04] <li4m0> Thanks
[20:04] <feynman> :D
[20:10] <feynman> daveake
[20:10] <feynman> i switched to 8 bit
[20:10] <feynman> tested it with echo hello pi
[20:10] <feynman> how can i transmit images with fsphils ssdv now ?
[20:11] <daveake> I thought you already tried? What did you do when you got the SSDV error message?
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[20:12] <feynman> ./ssdv -e -n image.png
[20:12] <feynman> out file missing ?
[20:12] <feynman> show me an example please
[20:13] <daveake> Well I think it only accepts jpg files, but I'm not sure. But yes you need to give it an output file
[20:13] <feynman> extension of output ?
[20:13] <daveake> anything
[20:13] <daveake> I use .bin but it's up to you
[20:13] <daveake> .ssdv would also work
[20:14] <daveake> once you have the file you just need to send it, verbatim, to the serial port
[20:14] <daveake> This will test it's working; it's *not* what you should do in your final tracker code
[20:15] <daveake> because transmission will take several minutes and you should be sending telemetry every 1 minute or faster
[20:15] <feynman> okay
[20:15] <feynman> command worked
[20:15] <feynman> now
[20:16] <feynman> what ?
[20:16] <daveake> read
[20:16] <daveake> what
[20:16] <daveake> I
[20:16] <daveake> said
[20:16] <feynman> okay so
[20:17] <feynman> how can i send it now ?
[20:17] <feynman> give me an example please
[20:17] <daveake> Well how do you normally copy a file from one place to another?
[20:18] <feynman> does it work that way ?
[20:18] <SP9UOB-Tom> daveake: just pushing F5 lol
[20:18] <feynman> :D
[20:18] <feynman> cp source target ?
[20:18] <daveake> there you go
[20:19] <feynman> ITS WORKING
[20:19] <Jerry> Hi Guys, I can hear HABAXE2 on 434.398, i get the ten pips but the rtty drifts violently upwards in frequency, too fast for FLDIGI to track, F/G8DXZ
[20:19] <feynman> thank you
[20:20] <daveake> "working" means you can see the image in dl-fldigi?
[20:20] <feynman> yes
[20:20] <daveake> cool
[20:21] <jcoxon> Jerry, its because its so cold
[20:21] <jcoxon> that when the rtty kicks the radio module warms up quite a bit
[20:21] <jcoxon> if you make sure the AFC is on and increase the filter width you might be able to catch it
[20:21] <Jerry> OK, thanks james, its fairly loud
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[20:26] <Jerry> HABAXE2 decode $$$$$$HABAXE2,437,20:24:11,45.6114,3.8012,7941,75,163,223,42,42,6,Y,0*8A1C
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[20:53] <feynman> when i transmit ssdv
[20:53] <feynman> it loses too many packets
[20:53] <feynman> ex : received 5 , lost : 34
[20:53] <feynman> 600 baud rate
[20:53] <feynman> 8 bit
[20:54] <feynman> 2 stop bits
[21:00] <feynman> anyone ?
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[21:04] <SpacenearUS> New vehicle on the map: 03PYSY - 12http://habhub.org/t/?focus=PYSY
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[21:08] <daveake> feynman: filter bandwidth wrong or audio shift in dl-fldigi doesn't match reality or your shift is less thn 600Hz or you haven't disabled output translation on /dev/ttyAMA0
[21:08] <daveake> My bet is that last one
[21:10] <feynman> how can i disable output translation
[21:10] <daveake> stty
[21:10] <mfa298> man stty
[21:10] <daveake> I did mention the need earlier
[21:10] <daveake> twice
[21:10] <daveake> :/
[21:10] <feynman> stty 600 cs8 cstopb < /dev/ttyAMA0
[21:11] <feynman> im using this ?
[21:11] <feynman> is it wrong ?
[21:11] <daveake> yes
[21:11] <daveake> <mfa298> man stty
[21:14] <feynman> i looked at the manual
[21:14] <pc1pcl> check output of stty to see what crazy settings are still on..
[21:15] <pc1pcl> stty -a -F /dev/ttyAMA0
[21:15] <daveake> <daveake> feynman SSDV is 8-bit data you need to be txing and rxing 8 bits and you need to switch off any output translations (e.g. CR --> CR LF)
[21:16] <feynman> speed 600 baud; rows 0; columns 0; line = 0;
[21:16] <feynman> intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; eol2 = <undef>; swtch = <undef>;
[21:16] <feynman> start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W; lnext = ^V; flush = ^O; min = 1; time = 0;
[21:16] <feynman> -parenb -parodd cs8 hupcl cstopb cread clocal -crtscts
[21:16] <feynman> -ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff -iuclc -ixany -imaxbel
[21:16] <feynman> -iutf8
[21:16] <feynman> opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
[21:16] <feynman> isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt echoctl echoke
[21:16] <fsphil> serial is over complicated on linux
[21:16] <feynman> thats the problem ?
[21:16] <daveake> Just search man stty for "translate"
[21:16] <edmoore> pastie.org feynman
[21:16] <daveake> e.g. * [-]ocrnl
[21:16] <daveake> translate carriage return to newline
[21:17] <feynman> sorry
[21:17] Action: craag is having fun with the serial port on his wifi router
[21:17] <feynman> http://pastie.org/9812934
[21:17] <pc1pcl> if dumping binary data might not want to have things like eof defined
[21:18] <edmoore> craag, they put those in there to make it easier to brick them with tqfp
[21:18] <pc1pcl> 'stty raw -F /dev/ttyAMA0' might help to unset a lot of things
[21:18] <fsphil> pyserial should be ported and added to libc
[21:20] <craag> edmoore: Yeah I've disabled that - living dangerously - got a ublox on it instead :)
[21:20] <edmoore> nice
[21:20] <edmoore> you have something geographic planned?
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[21:20] <feynman> pc1pcl
[21:21] <feynman> i received all the packets now
[21:21] <fsphil> router at 30km?
[21:21] <craag> nothing that exciting - just I've had this wifi router for 3g in the car for a while - so might as well add habitat-chasecar functionality to it
[21:21] <feynman> but half of the photo is still missing
[21:21] <craag> also looks as if I can repurpose the led gpios as bitbanged spi
[21:21] <craag> so ukhasnet/lora gw maybe...
[21:22] <paul_HAB-P> Anybody who's had BBB running either RTL or Funcube dongle, what is the fastest sample rate you've managed to successfully stream? (Trying to benchmark before giving up finding something beefier)...
[21:23] <fsphil> that can happen if you close the serial port before the data has finished sending
[21:23] <fsphil> might need to flush it
[21:23] <feynman> how can i flush it ?
[21:24] <daveake> fsphil he's just using cp to send the file out to serial
[21:24] <fsphil> dunno, not used a serial port this way
[21:24] <fsphil> oh
[21:24] <fsphil> didn't know that worked
[21:24] <mfa298> EOF byte in the file somewhere causing cp or the uart stuff to stop the copy process
[21:25] <daveake> might need a -b to force it to send it all
[21:25] <fsphil> hehe, "near spacecraft" on the list
[21:25] <daveake> no not that
[21:25] <fsphil> still not using frequency agile aprs
[21:25] <daveake> yeah I noticed
[21:26] <feynman> so
[21:26] <feynman> what should i do now ?
[21:26] <feynman> -b ?
[21:26] <mfa298> would probably make a lot more sense to do all this from a proper program as all this setting up the serial port will be different when not doing it in a shell
[21:26] <daveake> I was about to say that
[21:27] <daveake> Time to stop playing and get working
[21:27] <daveake> No point fixing this
[21:27] <feynman> so i should start coding now
[21:27] <feynman> python would do the trick i suppose ?
[21:27] <daveake> yes and yes
[21:28] <mfa298> you should have probably started coding several hours ago
[21:28] <feynman> for sure
[21:28] <fsphil> time to get it on
[21:28] <feynman> thanks for helping me
[21:28] <feynman> i will be back with my code :p
[21:28] <feynman> have a nice day !
[21:28] <mfa298> doing stuff from the console is a good test (i.e. you could get some data out at any baud rate) after that coding is the way to go
[21:28] <daveake> Not trying to be repetetive, but ...
[21:28] <daveake> daveake>30 I suggest you start by writing code to receive GPS data
[21:28] <daveake> 31<daveake>30 then reformat that data and send it as a UKHAS style telemetry string
[21:28] <daveake> 31<daveake>30 After that do the images
[21:28] <fsphil> remember that when dl-fldigi is in online mode, your images get uploaded to http://ssdv.habhub.org/
[21:29] <daveake> Yeah my nude coding sessions are over now
[21:29] <feynman> :D
[21:29] <feynman> thanks daveake
[21:29] <feynman> will start with that
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[21:32] <mfa298> daveake: and it's not like you're the only one:
[21:32] <mfa298> 18:17 < mfa298> make sure you're really happy receiving 50 baud teletmery first.
[21:32] <mfa298> 18:18 < mfa298> Personally I'd probably then go for a basic program to send the telemetry rather than just piping words to the
[21:32] <mfa298> uart (i.e. a python loop sending some text)
[21:32] <edmoore> you can code with clothes on?
[21:32] <daveake> mfa298 :)
[21:32] <qyx_> it was like.. 4 hours?
[21:32] <daveake> edmoore Not entirely successfully so far, but I'm working on it
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[21:33] <qyx_> he should learn debugging first maybe
[21:34] <qyx_> and be more self-contained
[21:34] <mattbrejza> at least youre just coding and not soldering...
[21:34] <daveake> ouch
[21:34] <fsphil> eek
[21:34] <mfa298> (good) coding generally happens when insiration strikes.
[21:34] <pc1pcl> cue quote about smelling like chicken..
[21:34] <edmoore> enough with this subversion
[21:34] <daveake> git
[21:35] <mattbrejza> i have soldered while wearing shorts and sitting on the floor
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[21:35] <mattbrejza> would not recommend
[21:35] <edmoore> welding something above your head is quite fun actually
[21:35] <daveake> You and your antex antics
[21:35] <edmoore> lots of dripping splatter
[21:35] <edmoore> that burning hair smell
[21:36] <edmoore> i actually got a molten blob land between my wrist and the back of my watch
[21:36] <qyx_> id reminds me drilling holes in the ceiling
[21:36] <edmoore> i did a bit of a dance when that happened
[21:36] <daveake> ouch
[21:36] <daveake> did you shout "ph rolex"?
[21:36] <daveake> oh
[21:38] <fsphil> ruh-roh
[21:46] <li4m0> Anyone ever had any interference problems with wireless room thermostats.
[21:47] <li4m0> Getting some strange persistant blips around 434 on sdr#
[21:47] <li4m0> Thinking it might be the drayton thermostat talking to the boiler
[21:48] <fsphil> can you turn it off?
[21:48] <Ian_> If you turn it right down, won't the talking stop . . . ?
[21:49] <li4m0> Yeh ill try tomorrow. Don't want to mess up my heating schedule!
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[21:50] <li4m0> It's the British gas homehub thing as well which is plugged into the router and transmits to the thermostat
[21:52] <li4m0> In another note, do car key fobs also operate around this frequency
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[21:52] <fsphil> mine does
[21:52] <Ian_> I appreciate your heating schedule while there is frost around, but if you were to turn it down now for example, it wouldn't be signalling the boiler to start up while you had a little listen and then could reinstate the temperature setting
[21:52] <Ian_> Bad news if you live near shops or a pub etc.
[21:53] <fsphil> I can't open my car with the radio if there's a payload nearby
[21:53] <li4m0> Yeh. I think either the hub or thermostat is being 'polled' even when there is no request for heating
[21:56] <li4m0> The schedule is set over the Internet and the hub passes it to the thermostat along with outside temp etc so I'm guessing it's doing it every minute or so
[21:56] <Geoff-G8DHE-M> It is I checked them out when I ws running a packet node and BBS and yes they are polled talk all the time.
[21:57] <li4m0> Thanks thought so. I'll stop boring everyone now :-)
[21:57] <Geoff-G8DHE-M> it was a while back and they didn't do any other band than 434 ISM I spoke with there tech dept. but it was a while ago ow.
[21:58] <li4m0> Ok cheers
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[21:59] <Ian_> Ah . . . 433.800 used to be a good frequency to key up when people were looking to load 24 packs of beer into their cars when raining with no hands free . . . :)
[22:01] <li4m0> Will have to test it out on the neighbours
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[22:02] <Ian_> Never stop someone locking and let them in on their third try . . . the face gives away the surprise and aggravation. Some go straight to the key but most don't.
[22:02] <li4m0> :-)
[22:04] <Ian_> MD in the car park on a rainy day . . .
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[22:06] <Upu> I made a jammer for WY Police
[22:06] <Upu> as a proof of concept
[22:06] <Upu> as cars were getting stuff nicked in Leeds
[22:06] <Upu> with no damage
[22:06] <daveake> BMWs in particular?
[22:06] <Upu> thieves were just jamming the key fobs and people walked off without checking
[22:06] <daveake> ah
[22:07] <Upu> anything really
[22:07] <daveake> the B<W thing is to do with coding your own key
[22:07] <Upu> My mate who is in the Police ears pricked up when I told him about us having to use your BBQ to unlock my car
[22:07] <daveake> haha
[22:08] <lz1dev> jammer? really?
[22:08] <lz1dev> i could do that with my UV-5
[22:08] <edmoore> yes
[22:08] <daveake> Just overloads the receiver
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[22:09] <edmoore> newer cars use clever locks
[22:09] <edmoore> cleverer*
[22:09] <edmoore> the new keyfobs you can have in your pocket are especially clever
[22:10] <Ian_> I think that key fobs tend to be more agile these days.
[22:10] <edmoore> receivers are built on the inside and outside of the car, and they can do clever time of flight and power-level profiling to tell whether or not the key is inside or outside the car and where roughly inside it is
[22:10] <lz1dev> sure, but the point was
[22:10] <lz1dev> you get out of the car and click
[22:10] <lz1dev> but someone is jamming the freq
[22:11] <lz1dev> the car stays unlocked
[22:11] <daveake> yep that happens
[22:11] <daveake> Upu just couldn't unlock his car at all with the tracker nearby
[22:11] <lz1dev> :)
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[22:12] <daveake> hence the temporary use of my BBQ as a Faraday cage
[22:12] <li4m0> I have been a copper for 10 years and keyless bmw/audi thefts are getting more common
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[22:12] <Ian_> I watched a guy a couple of years ago walk away from his BMW and as he hit the crown of the road at a junction he flourished his key fob to lock the car. No noisy locks or beeps. If he had been jammed at that point he would have been oblivious of the problem.
[22:12] <edmoore> also back when everyone logged gps data onboard, then ran a kml-generation script, there were instances of you driving home at 90mph after recovery being uploaded to the net for all to see
[22:13] <li4m0> That's why I drove an old car
[22:13] <daveake> Oh that's happened since, when people leave dl-fldigi etc running
[22:13] <Ian_> My Picasso has the button covers broken after twelve years, so I use the key most of the time, but appreciate the keyless car problem.
[22:13] <edmoore> not me, i hasten to add li4m0
[22:14] <Ian_> Good job you didn't have a bacon snack on at the time daveake
[22:14] <daveake> We'd have used the other BBQ :)
[22:15] <Ian_> I would have raided the kitchen for the roll of foil. Nice to know that you hae a bacon backup facility though! :)
[22:15] <Ian_> *have
[22:15] <daveake> My TARDIS payload had a 3G link and that uploaded its position/speed during the drive home
[22:15] <daveake> Everything important has a backup :)
[22:18] <edmoore> 'i was driving slower on the inside than on the outside, officer'
[22:18] <daveake> lol
[22:19] <li4m0> Wouldn't be the strangest speeding excuse I've ever heard
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[22:26] <SpacenearUS> New vehicle on the map: 03SQ1PSD_chase - 12http://habhub.org/t/?focus=SQ1PSD_chase
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[22:37] <SpacenearUS> New vehicle on the map: 03SP6VWX-9_chase - 12http://habhub.org/t/?focus=SP6VWX-9_chase
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[22:59] <qyx_> M1 going down? rain probably?
[23:00] <SP9UOB-Tom> qyx_: freezing rain here
[23:01] <SP9UOB-Tom> night all
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[23:01] <qyx_> ouch
[23:02] <fsphil> rain++
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[23:16] <Reb-SM0ULC> incredible respons from trackers in Poland for M1
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[23:23] <Lunar_Lander> good night
[23:23] <Reb-SM0ULC> night
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[23:32] <SpacenearUS> New vehicle on the map: 03openwrt_chase - 12http://habhub.org/t/?focus=openwrt_chase
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[00:00] --- Mon Jan 5 2015