highaltitude.log.20140612

[00:00] <aadamson> temp and the damage will be it's challenge, but you never know
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[00:19] <n2nxz> Can I run an old test launch audio file without disrupting the uploads to space near us tracker?
[00:20] <Darkside> put dl-fldigi into offline mode
[00:24] <SpeedEvil> It seems rather unlikely
[00:24] <SpeedEvil> I mean - the voltage on the battery was going down quite fast, even at peak daytime output
[00:25] <SpeedEvil> And as I understand it, the charger and the power supply should both be SMPS - there shouldn't be anything like 'it only charges under 3V battery'
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[02:49] <craag> Maxell: to filter habmap use semicolon-seperated callsigns, eg
[02:49] <craag> http://habmap.philcrump.co.uk/?vehicles=sp9uob;B-55
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[05:22] <Maxell> craag: yep, ok!
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[06:12] <sp2ipt> hi
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[09:37] <fsphil> ah, I forgot that PaulCDR wasn't far from here
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[10:28] <amell> b-56 no hope?
[10:30] <amell> b-58 hustler, is the name of a famous bomber too.
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[11:06] <jededu> ping upu
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[11:22] <Student> ello, i have a problem with the standrd mikroc SPI library.
[11:22] <Student> On my logic analyzer i can see my SS pin going high from itself during data transfers.
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[11:22] <Student> http://i58.tinypic.com/izb7rm.png is what i see
[11:23] <Student> anyone got a idea what could cause this ?
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[11:25] <nats`> Student I advise you to drive SS by hand
[11:25] <nats`> it's a normal behavior
[11:25] <nats`> SS goes high each 8bit
[11:25] <nats`> your SPI IP must be configured to use 8bit transfer
[11:25] <nats`> maybe you can use 16bit mode
[11:25] <nats`> it'll goes high each 16bit word
[11:26] <nats`> if youtry to drive a transceiver like SI446x it'll be a problem
[11:26] <crisN> hello
[11:26] <nats`> since the chip select must be asserted at the end of the full transaction
[11:26] <crisN> does anybody knows more information about SP9UOB setup?
[11:26] <crisN> balloon I mean
[11:26] <crisN> also I'm interested about B-56
[11:27] <nats`> Student my bad I didn't look at the last word
[11:27] <nats`> that's a weird stuff
[11:27] <nats`> Student you have an oscilloscope ?
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[11:52] <Student> The ss gets driven low before data and high after by setting it myself nothing in between with that pin
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[12:00] <Upu> ping jededu
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[12:44] <tweetBot> @AMSAT_UK: BBC: Aberystwyth school pupils plan playground space launch http://t.co/8XPDia7CcD #amsat #hamradio #hamr #ukhas
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[12:58] <jededu> ping upu
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[13:13] <Upu> back again jededu
[13:13] <jededu> upu pm
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[13:41] <SP3OSJ> DL7AD: Hi Sven
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[13:44] <SP3OSJ> Ich habe GPS suchen: http://s27.postimg.org/oggng6wur/j2f.jpg
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[14:14] <Laurenceb__> attn aadamson
[14:14] <Laurenceb__> http://www.st.com/web/en/news/n3550
[14:15] <aadamson> wooo hooo, more fun to play with :)... I'm holding out for the L4 :)
[14:15] <aadamson> course the 318 could be fun too
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[14:19] <Laurenceb__> ADC at 1.8v seems to be the new thing
[14:20] <Laurenceb__> there was already 1.8v F3, but adc only went to 2v iirc
[14:20] <Laurenceb__> i should make a lidar with the F3 adc
[14:20] <Laurenceb__> its silly fast
[14:21] <Laurenceb__> the limit on speed seems to be the sram, not the adc
[14:21] <Laurenceb__> i need to try for 36Msps
[14:21] <Laurenceb__> it might just work
[14:21] <adamgreig> is 36Msps enough for good lidar?
[14:22] <Laurenceb__> yes
[14:22] <adamgreig> time of flight lidar or else?
[14:22] <Laurenceb__> yes
[14:22] <Laurenceb__> measure phase of 10Mhz
[14:22] <aadamson> which has the 1.8v adc? I found the f3 version, but it's 2.4v min on the adc :(
[14:22] <adamgreig> cool
[14:23] <Laurenceb__> http://www.st.com/web/en/catalog/mmc/SC1169/SS1576/LN1838?icmp=ln1838_pron_nb_jun2014
[14:23] <Laurenceb__> it says pron so it must be good
[14:23] <aadamson> yeah, the link hot spots on the page are really narrow and I got the 378 data sheet, its no low power :)
[14:24] <Laurenceb__> yeah
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[14:25] <aadamson> hmm, there are some limitations.. high power when using the dac it seems, but indeed on the 358 it's 1.8v on the adc
[14:28] <aadamson> small footprint versions aren't available yet and the dang 100pin qfp part was almost $10 in qty 1's... have to wait for the demand curve to put some pressure on the price curve :)
[14:28] <Laurenceb__> i want to make an optical frequency lidar
[14:28] <Laurenceb__> yeah
[14:28] <Laurenceb__> "unfortunately" fast adc stuff makes it kind of redundant
[14:29] <Laurenceb__> but having said that reaching the noise floor with PIN photodiodes becomes harder above 1mhz
[14:29] <aadamson> yeah indeed... having an m0 with big flash is nice now however
[14:30] <Laurenceb__> i had an application in mind with scanned optical frequency doppler lidar for 3D anemometry
[14:30] <Laurenceb__> wind tunnels and stuff
[14:30] <aadamson> now that would be cool
[14:30] <Laurenceb__> yes
[14:30] <Laurenceb__> based of this guys work
[14:30] <Laurenceb__> http://redlum.xohp.pagesperso-orange.fr/argonlaser.html
[14:31] <Laurenceb__> this is just epic
[14:31] <Laurenceb__> http://redlum.xohp.pagesperso-orange.fr/laser/spectra.html
[14:31] <Laurenceb__> http://redlum.xohp.pagesperso-orange.fr/laser/pics/496lexel-single.jpg
[14:31] <Laurenceb__> ^holy shit
[14:32] <Laurenceb__> coherence length over 100m from cheap laser diode
[14:32] <aadamson> hehe, someone is having *way* too much fun!
[14:32] <Laurenceb__> and he demonstrates really simple optical frequency chirping
[14:33] <Laurenceb__> you could use it for optical frequency OFDM too
[14:33] <aadamson> We'll all expect an analysis of your power bill after you start playing with this stuff ;)... gotta run, real work calling - unfortunately, thanks for the heads up
[14:33] <Laurenceb__> nutty bandwidths :D
[14:33] <Laurenceb__> cya
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[15:03] <tweetBot> @AnthonyStirk: UKHAS 2014 Conference http://t.co/V4xubPnoB7 Tickets now on sale suitable for anyone starting or expert in HAB #ukhas
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[15:19] <Upu> ping SP9UOB-Tom
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[17:04] <Maxell> Damnit B-55, B-56 and B-57 >:)
[17:04] <Maxell> I wonder what happend with 55 though
[17:04] <Maxell> Could it be a software glitch/
[17:05] <Laurenceb__> ESD
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[17:13] Nick change: [1]Geoff-G8DHE -> Geoff-G8DHE
[17:14] <arko> i want to believe it was aliens
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[17:25] <MightyMik> wasn't 55's GPS glitchy or something?
[17:26] <Laurenceb__> not really
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[17:38] Nick change: AranaDiscoteca -> KyleYankan
[17:43] <jiffe98> the B*'s using u-blox gpses?
[17:43] <tweetBot> @BoltonSchTech: Very humbling to see how thin our planet's atmosphere really is. How important that we look after it.
[17:43] <tweetBot> #BSIS
[17:43] <tweetBot> #UKHAS http://t.co/6DxGOwIesf
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[17:50] <Upu> they have been doing yes jiffe98
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[17:51] <SilverIV7> Quick question, when you use the cable software for your usb receiever, is there a quick way to revert the changes so you can switch between dab tv and radio scanning?
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[17:57] <mfa298> SilverIV7: on windows you may find you can get it to associate the different sets of drivers with the dongle on different USB ports - but that might take some playing around to make it work
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[18:00] <Lunar_Lander> evening
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[18:00] <astrobiologist> it is not exactly ukhas-related, but I have been given permission to operate the ham station aboard HMS Belfast :-)
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[18:05] <DL7AD> hi Lunar_Lander
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[19:00] <micros> Hey
[19:00] <micros> Whats the restrictions on flying through free balloon launching sites?
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[19:01] <Hiena> http://www.youtube.com/watch?v=3eOYHkiBkzA
[19:01] <micros> Hiena do you know?
[19:02] <Hiena> Which country?
[19:02] <micros> Uk
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[19:03] <Hiena> Dunno, i'm in the eastern block.
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[19:03] <micros> Whats the regs there?
[19:03] <SP9UOB-Tom> Pong UPU
[19:03] <SP9UOB-Tom> was AFK
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[19:05] <tbbelg> hello everybody
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[19:06] <Hiena> micros:There is no such thing as free balloon launching site. If it's a legal flight, that case the flight plan and the other paperworks should be filed. After that the local authorities will decide. If it's an oversize balloon they could declare limited or no flight zone.
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[19:08] <Hiena> If it's manned flight, the launch site rules same as any other non-airport VFR flight.
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[19:11] <mfa298> micros: it might help if you tried asking the question a different way, are you talking about regs for plane pilots or for launching balloons or .... ?
[19:13] <Upu> hi SP9UOB-Tom
[19:13] <micros> Sorry
[19:13] <micros> Its for a fixed wing microlight
[19:14] <micros> I flew through a free balloon launching site today
[19:14] <mfa298> I'd assume that's covered in the rules you presumably have to know for flying one of them.
[19:14] <Upu> did BSIS recover ?
[19:15] <amell> micros: if notam is declared for the site, then presumably you need to call the number on the notam to check
[19:15] <amell> upu: yes, at RAF Barkston.
[19:15] <Upu> they landed on it ?
[19:15] <Hiena> It's a strictly VFR class is Hungary. http://www.vfrguide.com/european-flight-notes/hungary/enr-1-general-rules/visual-flights-rules-vfr
[19:15] <amell> Upu: I still dont know how they recovered it without gps, Im assuming DF triangulation.
[19:15] <Upu> or someone found it
[19:16] <amell> it was up in a tree
[19:16] <amell> so they wouldnt have been able to read the label.
[19:16] <Upu> good news though
[19:16] <amell> yes, I will ask them how they found it.
[19:16] <Upu> was wondering if I can remove SP9UOB Tom
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[19:21] <amell> https://twitter.com/BoltonSchTech/status/477144279706767360/photo/1
[19:21] <amell> https://twitter.com/BoltonSchTech/status/476999054006951936/photo/1
[19:21] <amell> Not bad.
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[19:22] <amell> Upu: https://twitter.com/BoltonSchTech/status/476814577641226240
[19:22] <Upu> nice
[19:23] <micros> So what does everyone fly?
[19:24] <Lunar_Lander> mostly AVR based GPS-Radio platforms
[19:25] <amell> wondered what RAF Barnham was - apparently it was the main store for blue danube atomic bombs.
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[19:31] <SP9UOB-Tom> Upu: You can remove it - nearest statnions to receive the data are in China and Japan - so allmost imposible to get there :-)
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[19:34] <amell> SP9UOB-Tom: Leo managed both of those..
[19:34] <SP9UOB-Tom> amell: yeah but Leo is the Master :-)
[19:34] <amell> you aspire to take the crown from the master? :)
[19:35] <SP9UOB-Tom> amell: lol, in fact im preparing my hardware to loooong latex flight on HF
[19:36] <amell> HF? really. how long is the aerial
[19:36] <sp2ipt> master of baloons I'm pulling your HABs / twisting your pv and smashing ublox ;)
[19:36] <sp2ipt> or something like that ;)
[19:38] <SP9UOB-Tom> amell: it depends on frequency
[19:38] <amell> you said HF?
[19:38] <SP9UOB-Tom> sp2ipt: looks like a prayer ;-)
[19:39] <SP9UOB-Tom> amell: yes, but HF covers 3.5 MHz - 29 MHz ;-)
[19:39] <SP9UOB-Tom> amell: i was flying @28 MHz, 21 MHz, mow its time to 10 and 14 MHz
[19:39] <amell> can you get way over the horizon reception with that?
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[19:40] <sp2ipt> SP9UOB-Tom: it even has a nice melody: https://www.youtube.com/watch?v=xnKhsTXoKCI
[19:40] <amell> how long is the aerial for 14mhz
[19:40] <SP9UOB-Tom> amell: yes, my 28 MHz (1 Watt) was receiver in Canada
[19:40] <sp2ipt> SP9UOB-Tom: 6m could be interesting in Es season :)
[19:41] <SP9UOB-Tom> sp2ipt: i've tried it but not much stations was listening - no hardware, especially antennas
[19:42] <sp2ipt> SP9UOB-Tom: not true, people just don't know that dipoles on 80 m work like a charm on 6 m
[19:43] <SP9UOB-Tom> amell: whole length is lambda/2 * velocity factor = about 10 meters
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[19:44] <sp2ipt> bbl
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[19:47] <Upu> evening bsis_james do tell all
[19:48] <bsis_james> Hi everyone! We managed to retrieve BSIS, landed in RAF Barnham! Shame about our GPS but all went well. - Some photos.
[19:48] <bsis_james> Here are some photos from the trip. https://www.dropbox.com/sh/g8o6yy483qmvyf5/AAD6lT-A5HUeBFGfz2aRgCiba
[19:49] <Upu> how did you locate it ? did they call you ?
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[19:50] <bertrik> oh, nice
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[19:53] <ak4rp> people (of Central and Eastern Europe :), we are going to launch a HAB tomorrow morning around 10:00 CEST from Budapest, Hungary. I hope the notification emial goes through the list, but Id like to point it out here nevertheless.
[19:54] <ak4rp> MRC launch 1: 434.950 MHz, RTTY 7N2, 100 baud, 200 Hz shift.
[19:54] <ak4rp> some pictures about the payload: http://www.ha7wen.hu/hab/index.html
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[19:56] <bertrik> ak4rp: what kind of antenna is that?
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[19:56] <SP9UOB-Tom> ak4rp: we are ready !
[19:57] <ak4rp> SP9UOB-Tom: great, I hope we are, too :)
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[19:58] <ak4rp> bertrik: the primary payload is an UHF spectrum monitoring experiment (basically a flying spectrum analyzer), and that antenna is sort of a quick hack to have an acceptable antenna that works between 500 and 800 MHz (a so-called zig-zag)
[19:59] <SP9UOB-Tom> ak4rp: nice antenna !
[19:59] <ak4rp> with capacitive loading (might help during hard landings? :)
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[20:00] <Bsis_james> Does anyone use a ublox max-7q in their design? Ours decided not to work so curious.
[20:00] <mattbrejza> doe sit work now?
[20:00] <mattbrejza> do you have a photo of it sitting in the box?
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[20:01] <Bsis_james> Our gps unit got a lock the moment we retrieved it. No pic now unfortunately.
[20:01] <bertrik> ak4rp: cool to see you measured the antenna! Did you first make the antenna, then choose the tx frequency? :P
[20:01] <Upu> all the time Bsis_james sure you didn't jam it out with a camera or something ?
[20:02] <mclane_> I used a ublox 7q in PYSY9 last weekend - no probs
[20:02] <amell> bsis_james: how did you find it?
[20:02] <amell> bsis_james: sent a tweet asking about it.
[20:02] <ak4rp> bertrik: it was not me who did it, but I guess they are capable of actually *designing* (simple) antennas for a specified frequency but Im not sure :))))
[20:02] <Bsis_james> Upu: can't be sure but it had been soak tested for about 15 hours with both working and we never had anything before. They had a bit of a distance between them and the antenna was on the exterior
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[20:03] <Upu> common issue is when the balloon goes up the ground plane goes and the GPS jams
[20:04] <Bsis_james> Amell: we df'd it with our 18 element yagi and managed to triangulate it into the RAF base. Then it was a very strange explanation followed by a tour in an military car.
[20:04] <Upu> just a gopro or did you have one of those key ring cameras on it
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[20:05] <amell> bsis_james: you were lucky there!
[20:05] <Bsis_james> Upu: just the gopro. We had a ground plane with our radio transmitter but the gps wasn't connected. We think the antenna could have shorted due to condensation.
[20:05] <Upu> ok the GPS modules are generally very reliable
[20:05] <amell> Upu: the gps cut out at something like 20Km
[20:05] <Upu> yeah I've seen that its really random
[20:06] <Bsis_james> Amell: tell me about it! A couple of hundred feet and we would have landed in a mustard gas testing site and wouldn't have been able to retrieve it.
[20:06] <mclane_> flight mode correctly set?
[20:06] <amell> did you upload the video to youtube yet?
[20:06] <SP9UOB-Tom> "compressed air" ;-) https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-xpa1/t1.0-9/10451692_913535658672197_2048628201809669057_n.jpg
[20:06] <amell> would love to see the landing video!
[20:07] <Upu> flight mode stops @ 12km
[20:07] <Bsis_james> Mclane_: yep set. Using the cfg parameters. Even when we think we went below 12000 we still didn't get a lock.
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[20:07] <Bsis_james> Landing video may be a while laptop playing up but will get.
[20:08] <Upu> private message Bsis_james
[20:08] <Bsis_james> Upu: how?
[20:08] <mfa298> SP9UOB-Tom: :) I was looking at a can of compressed air the other day at work and I never realised air was so flamable
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[20:08] <Upu> should have another tab blinking from me
[20:08] <amell> Upu: secret whispers!
[20:09] <Bsis_james> On freenode not going to work? I can give you my email if you want.
[20:09] <Bsis_james> Doorerjames@gmail.com
[20:09] <SP9UOB-Tom> mfa298: that is buthane :-)
[20:09] <Upu> if you're on the web chat its at the top
[20:09] <Bsis_james> Ah found it thanks.
[20:10] <amell> bsis_james: I dont know which one you were, I said that I could hear your payload on the ground at elsworth from my home. nice and strong. and that was 2 miles away,
[20:10] <SP9UOB-Tom> my D-Star hotspot is up and running :-)
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[20:12] <Bsis_james> Amell: red coat and strange jumper with glasses.
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[20:12] <amell> hey. looking at the pics and i can see my car :)
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[20:13] <mfa298> SP9UOB-Tom: I think the ones at work are butane and propane.
[20:13] <amell> great pics.
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[20:13] <Bsis_james> Upu: connection lost can you reconnect private?
[20:13] <amell> bsis_james: did you capture the balloon burst?
[20:14] <Upu> yes have done
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[20:14] <amell> lol
[20:14] <amell> the bsis pictures are really good.
[20:15] <Upu> better than his internet :)
[20:15] <amell> https://www.dropbox.com/sh/g8o6yy483qmvyf5/AAD6lT-A5HUeBFGfz2aRgCiba#lh:null-vlcsnap-2014-06-12-07h50m01s183.png - i like this one
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[20:15] <mfa298> needs a proper client
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[20:15] <bsis_james> Right reconnected for good now. Changed computer to one with good ram and wifi
[20:16] <Upu> :)
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[20:16] <bsis_james> Upu: Internal picture. https://pbs.twimg.com/media/BpXOMS4IcAAqUl_.jpg
[20:16] <bsis_james> Will try and get higher resolution.
[20:17] <Upu> doesn't look too close
[20:17] <amell> neat, what is the device in the box lid?
[20:17] <Upu> the GoPro's can jam out the GPS if really close
[20:17] <Upu> GPS
[20:17] <amell> ok
[20:17] <amell> UpuGPS?
[20:17] <Upu> there are others ?
[20:17] <amell> :)
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[20:18] <ProSpectre> evening gents
[20:18] <amell> i saw the antenna, it was black and just stuck out the bottom of the box. what was it?
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[20:19] <bsis_james> amell: It was our radio antenna. Took the force of the impact for us.
[20:19] <bsis_james> http://www.boltonschool.org/media/25769074/img_3263-a.jpg
[20:19] <bsis_james> There's a bit of a better picture.
[20:20] <amell> wheres the antenna from? was it commercial one? it looked quite long for 434mhz
[20:20] <bsis_james> amell: No idea where it was from, will find out for you.
[20:21] <amell> be interested, i was impressed how loud it was.
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[20:23] <amell> ak4rp: well known risks ?
[20:24] <tbbelg> hello. Anybody from Belgium here ?
[20:25] <amell> ak4rp: i dont understand hungarian, but the gist seems to be you are broadcasting DVB-T from your payload??
[20:26] <ProSpectre> Anybody from Germany here?
[20:26] <Geoff-G8DHE> Sven DL7AD is around
[20:27] <ProSpectre> oh thx
[20:27] <Lunar_Lander> yea germany here too
[20:27] <ProSpectre> nice
[20:28] <Lunar_Lander> tbbelg, I think you are the only one from BE at the moment
[20:28] <tbbelg> :-(
[20:28] <arko> talking about Belgium
[20:28] <bsis_james> ProSpectre: Ich komme nicht aus Deutschland, aber ich lerne Deutsch in der Schule.
[20:29] <arko> can you send me some beer?
[20:29] <Joekul> I am belgian, but live in Switzerland...does that count? :)
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[20:29] <arko> Belgian beers are awesome
[20:29] <tbbelg> No too far lol
[20:29] <tbbelg> but Switzerland is beautifull !!!
[20:30] <ProSpectre> bsis-james: nice. looks like you are good at school.
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[20:30] <tbbelg> I'll put beer into the payload lol
[20:30] <SP9UOB-Tom> arko: You have to try polish beers !
[20:31] <arko> bring some to ukhas :P
[20:31] <ak4rp> amell: Friday 13th is considered an unlucky day here. and no, no trasmitting, its only a reference to the rtl-sdr reception.
[20:31] <SP9UOB-Tom> arko: sure (if luggage mass let me take some :-)
[20:31] <bsis_james> ProSpectre: Danke. Jemand von Deutschland besucht nächste Woche mich. Er kommt aus Bonn.
[20:31] <Lunar_Lander> Czech beer also is nice
[20:31] <arko> SP9UOB-Tom: aww yeah that wont work
[20:33] <arko> might break and ruin things
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[20:34] <Upu> did you log the data out of the GPS bsis_james ?
[20:35] <bsis_james> We logged long and lat and alt and other things but we didn't pull the full string we just parsed it using tiny gps.
[20:37] <Upu> ok
[20:38] <Upu> so let me just get this correct
[20:38] <Upu> it stopped working @ 20km
[20:38] <Upu> and started again once it was on the ground ?
[20:39] <bsis_james> It didn't start working immediately on the ground but after a while it did and pick up a lock, however it was in a tree so probably didn't have direct line of sight.
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[20:39] <Upu> thats an odd one
[20:43] <bsis_james> amell: The antenna is a farnel flexi-sma-433 http://cpc.farnell.com/rf-solutions/flexi-sma-433/antenna-flexi-sma-433mhz/dp/RF00343?Ntt=rf00343
[20:43] <Upu> should work
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[20:44] <bsis_james> Upu: Is our condensation theory a possibility, do you think? Seemed a bit unlikely but we were clutching on straws.
[20:45] <Upu> well I was looking at those clouds you went through on the way up
[20:45] <Upu> could have got wet
[20:45] <Upu> but normally it boils off as it gets higher
[20:45] <aadamson> LeoBodnar_, more casual reading for you ;) - too far over my head - http://nldr.library.ucar.edu/repository/assets/technotes/TECH-NOTE-000-000-000-021.pdf
[20:45] <bsis_james> Upu: True, but our external sensor read our max temperature at 2 celsius.
[20:46] <bsis_james> It's been pretty good on the ground but we thought it would be hotter. Probably the radiation/convection.
[20:46] <Upu> its an odd one
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[20:49] <aadamson> LeoBodnar_, one other all of which you may have seen already - http://www.dtic.mil/dtic/tr/fulltext/u2/297099.pdf
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[20:53] <Geoff-G8DHE> bsis_james, Was it an Active GPS aerial on the outside of the box ? Was it covered by anything ?
[20:53] <Geoff-G8DHE> the photo's don't seem to show it
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[20:58] <Upu> passive Geoff
[20:59] <Geoff-G8DHE> right
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[20:59] <aadamson> So where the the gps on the BSIS flight and did it use a build in or external antenna?
[20:59] <aadamson> reason I ask, a flight last weekend in new york froze the gps and it stopped working
[20:59] <Upu> it was one of my boards with the passive antenna on it
[21:00] <aadamson> *because* the gps was placed on the outside of the container, or should I say it's integrated patch antenna was and the passive antenna conducted the cold to the gps module
[21:00] <aadamson> and it stopped at -40C
[21:00] <Upu> The ublox seem pretty good for that, I think it takes about -60 before they die
[21:01] <aadamson> yeah the one last weekend *was not ublox* but only good for -40
[21:01] <aadamson> as soon as it warmed back up it started working again :)
[21:02] <Geoff-G8DHE> there seemed to be an SMA connctor going out of the side of the box I just wandering if it had the aerial alone outside open to moisture ?
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[21:12] <tweetBot> @AnthonyStirk: @Project_HAB @nerdsville @rdavies6 heck you get to touch a satellite and Leo what more do you want? :) #ukhas
[21:14] <arko> lol
[21:14] <arko> Leo's gonna need some body guards
[21:17] <Lunar_Lander> xD
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[21:18] <lz1dev> its touching satellites socially acceptable?
[21:19] <lz1dev> is*
[21:19] <arko> with ESD safe gear, sure
[21:20] <lz1dev> what about if you touch one satellite with another?
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[21:24] <Upu> * its a working replica
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[21:29] <candleman> \join openvizsla
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[21:32] <Lunar_Lander> making satellites is demanding I think
[21:33] <Lunar_Lander> a friend working in IC manufacturing told me that cleanrooms are hard to stand with nearly 0% humidity and the protective gear one has to wear
[21:33] <arko> than habs?
[21:33] <arko> .......
[21:34] <Lunar_Lander> ?
[21:34] <arko> nvm
[21:34] <Lunar_Lander> oh
[21:34] <Lunar_Lander> sorry
[21:34] <Lunar_Lander> :(
[21:36] <fsphil> I consider a room clean if you can walk from one end to the other and only trip over at most 2 cables
[21:36] <arko> hehe
[21:37] <arko> there is a special bathroom in one of the cleanroom buildings at jpl
[21:37] <arko> lets just say it extremely good ventilation
[21:38] <arko> location of it is kept hush hush ;)
[21:38] <SP9UOB-Tom> arko: Your boss was here ;-) https://www.facebook.com/photo.php?fbid=10152188947736169&set=a.447687891168.211670.368382266168&type=1&theater
[21:40] <arko> hah neat
[21:40] <arko> Charles Elachi I think maybe his boss though
[21:41] <SP9UOB-Tom> if i only knew, i will send some beers trough him ;-)
[21:43] <arko> lol
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[21:49] <Lunar_Lander> arko, xD
[21:50] <Lunar_Lander> yea I think people try to stay away from the WC?
[21:50] <Lunar_Lander> if you have to leave work, leave the cleanroom, take off that overall just to go there
[21:50] <Lunar_Lander> and then dress again to get back to work
[21:53] <arko> yep
[21:53] <arko> a friend of mine was a smoker
[21:53] <arko> worked in the cleanroom
[21:53] <arko> it helped him quit
[21:54] <arko> because it took like 20 minutes total to get out and get back in and suited
[21:54] <arko> so he would have to really debate internally before leaving for a smoke, he ended up cutting down his smoking enough to just quit altogether
[21:55] <arko> also you have to stay in the air shower for like a minute after smoking because those particles really stick to you
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[22:04] <malclocke> Charles Elachi gave a talk here in Christchurch, NZ a few weeks ago.
[22:06] <arko> nice
[22:06] <arko> he's a really nice guy
[22:08] <malclocke> yeh, was a good talk - primarily about MSL. was hoping it would be a little more in depth than it was as it was put on by the national engineering body, but was good anyhow.
[22:08] <malclocke> he needed a translator for all the questions at the end in kiwi accents :)
[22:09] <arko> hahaha
[22:09] <arko> he has an accent too
[22:09] <SP9UOB-Tom> night all
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[22:09] <arko> he's from Lebanon
[22:10] <arko> yeah, even at jpl the talks that are public arent detailed
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[22:10] <arko> mostly due to ITAR and other things
[22:10] <malclocke> arko, do you work at JPL?
[22:10] <arko> yes
[22:11] <malclocke> wow ... I'm sure it's not as glamorous as in my minds eye, but I'm impressed :)
[22:12] <arko> lol
[22:12] <arko> its a pretty awesome place
[22:12] <arko> feel fortunate to be working with awesome folks
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[22:27] <joeman> hi
[22:30] <Lunar_Lander> ah thanks for explaining arko
[22:30] <amell> whats so good about the ventilation in that bathroom at the JPL?
[22:31] <joeman> the next Gentry Lee?
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[22:32] <joeman> His duo with Arthur C Clarke - Rama
[22:32] <amell> i have 245m3/hr extraction on our bathroom at home, My wife complains its not enough.
[22:33] <amell> ears pop slightly when it is turned on.
[22:35] <arko> ventaltion is key
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[22:39] <amell> Getting a bit worried about the crap in Ukraine and Iraq
[22:39] <amell> http://www.fightercontrol.co.uk/forum/viewtopic.php?f=16&p=620668 - this never happens.
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[00:00] --- Fri Jun 13 2014