[00:00] <Laurenceb__> fsphil: B-23 is doing APRS?
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[00:13] <fsphil> Laurenceb__: aye
[00:20] <iain_G4SGX> Aha the litmus thingy is open, think I'll have to compose something for that...
[00:20] <Laurenceb__> no receivers?
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[06:31] <OH7HJ-1> Looks like a lot of APRS igates have copied M0XER-2 balloon. A gap during night, has it been asleep since sunset?
[06:32] <OH7HJ-1> http://aprs.fi/#!mt=terrain&z=5&call=a%2FM0XER-2&timerange=86400&tail=86400
[06:44] <Upu> Not sure
[06:44] <Upu> possibly
[06:44] <Upu> going to be APRS only this one I suspect
[06:47] <OH7HJ-1> The B-21 was also active during daylight only. Maybe this one has small battery too?
[06:49] <OH7HJ-1> It is listed on dl-fldigi to have also the usual 70cm beacon.
[06:49] <Upu> Leo thinks he used a test board with a 2 m filter on it
[06:49] <Upu> so the 70cm isn't working so well
[06:51] <OH7HJ-1> Oh, then it may have uW tx output level instead of mW on 70 cm..?
[06:55] <Upu> yep
[06:56] <Upu> afk work
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[08:05] Nick change: DL1SGP1 -> DL1SGP
[08:06] <DL1SGP> good morning
[08:06] <DL1SGP> B-23 is visiting the Dornier-Museum in Friedrichshafen and certainly had a good view on HamRadio Fairgrounds :D
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[08:07] <ibanezmatt13> morning
[08:08] <DL1SGP> morning ibanezmatt13
[08:08] <ibanezmatt13> hey Felix
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[08:10] <ibanezmatt13> Heading down south in a minute :-)
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[08:10] <DL1SGP> what is your project for the day ibanezmatt13?
[08:10] <ibanezmatt13> to go learn stuff :)
[08:10] <DL1SGP> sounds fun
[08:11] <ibanezmatt13> certainly is
[08:11] <ibanezmatt13> right, we're off. Catch you later
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[08:11] <DL1SGP> be safe 73
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[08:33] <LeoBodnar> morning
[08:35] <OH7HJ-1> GM Sir Leo!
[08:37] <x-f> morning
[08:38] <LeoBodnar> Have two Finnish customers in the office
[08:40] Nick change: KipK_away -> KipK
[08:41] <x-f> LeoBodnar, airborne AR usage is not prohibited in Latvia, we (me and OZ1SKY) were given wrong or absolete information, or maybe it has changed since back then, i'll update that wiki page later
[08:44] <LeoBodnar> Cool, now we just need to get France and UK to allow it :D
[08:48] <OH7HJ-1> DL1SGP, ja, B-23 hat gern das Dornier-Museum in Friedrichshafen! Nun fliegt sie nach Deutsches Museum in München? :)
[08:48] <wd8mnv> do these look familiar? http://www.ebay.com/itm/Big-promotion-18pcs-52x19mm-polycrystalline-solar-cell-high-efficiency-/390688792297?pt=LH_DefaultDomain_0&hash=item5af6dddee9
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[09:17] <DL1SGP> hi OH7HJ-1it bit north of Deutsches Museum, out there is the Aerospace Exhibition Area of Deutsches Museum though
[09:18] <DL1SGP> with lovely aircrafts and spacecrafts and if I remember correctly there is even some balloon
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[09:37] <Maxell> LeoBodnar: hmm, aprs.fi tells me Wide2-1 for airborne trackers might be causing exta load on the network, might be intresting to keep a geofence for pieces of the world that have so many igates you do not need a path at all...
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[09:40] <Maxell> But meh, there are cars that are driving with wide6-6 paths :P
[09:41] <DL1SGP> Maxell: indeed, :)
[09:41] <DL1SGP> Wide3-3 already is quite a bit of PITA
[09:42] <LeoBodnar> Why aprs.fi shows only one packet in raw packets view?
[09:43] <DL1SGP> LeoBodnar: I think they base their decision on good or evil in a general way... not considering that you are not flying a 4W thingamabob :)
[09:43] <Maxell> I could reach the other side of .nl with two digis: (home) --> delft --> friesland --> other side of .nl
[09:43] <LeoBodnar> I took the path advice from APRS own documentation on APRS use on balloons and aircraft
[09:43] <Maxell> Why would you even want wide6-6
[09:44] <Maxell> same path for mobile usage (car) in europe eh
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[09:47] <LeoBodnar> 20mW heh, did not expect much coverage...
[09:48] <Maxell> great distances with 20mW! APRS DX :D
[09:48] <DL1SGP> checking Vienna on GT
[09:48] <Maxell> Wide2-1 would be picked up by x, and x digipeats it, y picks it up and also digipeats it?
[09:49] <Maxell> like, retransmitted twice?
[09:51] <LeoBodnar> Not as far as I am aware, -1 means digipeated only once
[09:55] <sv1ljj> hello folks!!!
[09:55] <sv1ljj> what is going on with b-23?
[09:56] <sv1ljj> why that diferrence with aprs (on the map, i mean)
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[09:57] <wd8mnv> 114 mph?
[09:57] <DL1SGP> sv1ljj: B-23 is transmititng on APRS while it is in Airspace that permits airborne APRS, therefore it uses a proper callsign for the identification
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[09:59] <sv1ljj> OK!!! so it is switching mode from domino to aprs??
[10:00] <DL1SGP> it is unknown if the switching still works, what we know is that last night a French station did not transmit any further DominoEX16 based telemetry once the APRS kicked in. However, it should still be sending the pips every 3s...
[10:01] <DL1SGP> I have checked on Vienna Globaltuners Node and heard nothign so far. I assume they have no proper UHF antennas there :D
[10:02] <sv1ljj> thank you very much!!!
[10:02] <DL1SGP> you are welcome :)
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[10:04] <DL1SGP> I think as it is heading towards our friends in Poland and Moscow we will know more soon :)
[10:05] <OH7HJ-1> Oh, is it clever enough to turn a tx off in prohibited countries..? :o
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[10:06] <sv1ljj> http://www.leobodnar.com/balloons/B-23/NOAA.gif
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[10:08] <Andrew_M6GTG> anyone tell me the link to the SPUD ssdv pictures?
[10:08] <daveake> Sorry, you have to wait :/
[10:08] <daveake> Commercial job so they were removed till the show goes out
[10:09] <Andrew_M6GTG> daveake: sorry thought they were automatically archived ;-)
[10:09] <DL1SGP> what was the date of flight Andrew?
[10:09] <daveake> Yes but fsphil unarchived them at my request :)
[10:09] <DL1SGP> ah ok :)
[10:09] <daveake> You have to forget they exist otherwise I have to kill you :)
[10:09] <Andrew_M6GTG> daveake: that explains it.. thought I'd gone mad! ;-)
[10:10] <sv1ljj> is B-22 recovered by the Russians????
[10:10] <daveake> Anyhoo I'll announce before the show goes out, and no I have no idea when that will be
[10:10] <Andrew_M6GTG> daveake: just remove the ones with Stansted in the background? ;-)
[10:10] <daveake> haha
[10:10] <daveake> There weren't any :)
[10:14] <Andrew_M6GTG> did anyone video your talk at Raspberry Pint?
[10:14] <daveake> Hope not :p
[10:14] <daveake> Just some photos I think
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[10:15] <DL1SGP> sv1ljj: our friends from Russia might try to recover D-2
[10:16] <Andrew_M6GTG> just sounded fun
[10:17] <daveake> Yes, relaxed atmosphere and good crown :)
[10:17] <daveake> crowd
[10:17] <daveake> People kept buying me drinks which helped
[10:17] <Herman-PB0AHX> GM all
[10:18] <Maxell> oh hai
[10:21] <Maxell> LeoBodnar: ah, the wide1-1 is a "fill in digi", small home setup, wide2-1 would digipeat once over a big digipeater
[10:22] <Maxell> so digipeated twice, once from home locattion to reach higher antennas
[10:22] <Maxell> and larger/wider wide2-1
[10:22] <Maxell> Airborne stations above a few thousand feet should ideally use NO path at all, or at the maximum only WIDE2-1 alone.
[10:23] <Maxell> but yeah, 20mW would not hit 20 digipeaters at the same time
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[10:25] <LeoBodnar> strangely aprs.fi did not complain about the path on the ground
[10:25] <LeoBodnar> So tests were showing "good path"
[10:28] <Maxell> yeah its a good path on the ground
[10:28] <Maxell> in the air you can hit 20 digipeaters at the same time :P
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[10:34] <Maxell> LeoBodnar: however, I am really looking forward to track this balloon now, lets hope it doesn't get lost in Russia anymore!
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[10:49] <OH7HJ-1> The way balloon is heading, there may be hardly more than 2 digipeaters finally on its way...
[10:49] <wd8mnv> also travelling @ 150+ mph
[10:50] <eroomde> it's the only way to travel
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[10:51] <Laurenceb__> what is this black magic?
[10:51] <Laurenceb__> APRS?
[10:52] <OH7HJ-1> The aprs network copies the 20 mW just fine! Practically all fixes seem to come through although its transmit cycle is very slow.
[10:53] <craag> 2 minutes between packets?
[10:54] <Laurenceb__> what frequency is it?
[10:55] <Laurenceb__> transmitting audio frequency shift keyed FM?
[10:55] <tweetBot> @daveake: Post re my #RaspberryPint talk with links to the slides and info on getting involved in the hobby #UKHAS #RaspberryPi http://t.co/htgqozAKkh
[10:55] <craag> That's quite quick for APRS. 1 per minute is generally minimum and that's for ground stations.
[10:56] <craag> Most of the american guys use 1 per 10 minutes for the balloons I believe.
[10:56] <Laurenceb__> bbl
[10:56] <craag> Laurenceb__: Yep AFSK-FM, 1200 baud bell
[10:56] <fsphil> 10 minutes would be too slow
[10:56] <Laurenceb__> hmm
[10:56] <LeoBodnar> 144.800 Technically AFSK Laurenceb__
[10:56] <Laurenceb__> thats got to be fairly low battery draw right?
[10:57] <Laurenceb__> so maybe you could even increase the power?
[10:57] <craag> fsphil: Agreed!
[10:57] <Laurenceb__> due to the short packets
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[10:57] <fsphil> yea that should use less power than the domex lines
[10:57] <Laurenceb__> bbl
[10:57] <Laurenceb__> neat
[10:57] <HA6NN> tjanos: Szia!
[10:58] <tjanos> Szia Andras!
[10:59] <OH7HJ-1> Its range seems be surprisingly good, for a 20 mW listened with omnidirectional aprs igate aerials!
[10:59] <tjanos> What do you thing, have we any chance to hear the B-23?
[10:59] <fsphil> it does
[10:59] <fsphil> I've always dissed aprs as being bad for low power :)
[11:00] <tjanos> Its route now over czechlands
[11:00] <LeoBodnar> tjanos: I am checking on a similar tracker to see if UHF is still alive after APRS cycle
[11:00] <HA6NN> tjanos: Taking into account B-23 goes in direction of abouz 45 degrees azimut -definitely no. :(
[11:00] <LeoBodnar> I never expected it to work altogether with 10-20mW
[11:00] <LeoBodnar> Maybe because Americans are using 5W transmitters
[11:01] <LeoBodnar> So I expected it to be ~ minimum required power
[11:01] <OH7HJ-1> I have almost 3 W power in my car aprs. On the ground, one can compensate low power or long range by setting packet interval shorter.
[11:02] <OH7HJ-1> But no need for that up there, it looks like...
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[11:02] <tjanos> evening, when I was check the NOAA modell, it was better chance for us
[11:02] <gonzo_> 5W is probably considered very qrp in the US
[11:03] <fsphil> The HX1 has been used for APRS, it's 300mw
[11:03] <craag> LeoBodnar: What's the antenna for 2m tx?
[11:03] <Maxell> gonzo_: haha
[11:03] <Maxell> que the picoamericur picture
[11:03] <HA6NN> GL all
[11:03] <HA6NN> Gone
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[11:04] <OH7HJ-1> Yes Leo, do you use GP or dipole or what for 2 m aprs?
[11:04] <LeoBodnar> vertical dipole craag
[11:05] <OH7HJ-1> That should be about the optimum I guess, vertical dipole gives optimum radiation patternwith maximum towards horizon.
[11:06] <LeoBodnar> Yes, I have realised that for most stations balloon will be very low over the horizon (10 degrees or less)
[11:06] <LeoBodnar> So maybe even more squashed radiation pattern would be better
[11:06] <craag> Not much choice really, with 2m of space to play with. But all seems to work fantastically!
[11:07] <Maxell> yeah and if it is at 40 degrees horizon radioation pattern is less of a deal
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[11:07] <OH7HJ-1> Also true with orbital stations. One can hear practically anything with any aerial if it is high above horizon.
[11:07] <Maxell> i did howver had a floater lost @ 80 degrees or something lol
[11:07] <Maxell> it went over my head like 100 meter south
[11:08] <Maxell> it was gone for a whiel
[11:08] <OH7HJ-1> The difficult part comes when the aircraft moves down near horizon. Then you need all the aerial gain you can get!
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[11:11] <Maxell> looks like SR9NON will be able to track B-23 fo some longer :)
[11:15] <Maxell> 198 km/h holy!
[11:17] <mfa298> should suggest it to Topgear as a challenge, B-?? vs Clarkson.
[11:17] <Darkside> eh, 198kph isnt *that* fast
[11:18] <Darkside> we've had a payload hit 300kph, which was conveniently whn we decided to cut it down
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[11:23] <jphoglund> it was doing 255km/h at 12:49:02
[11:25] <Maxell> o_O
[11:26] <Maxell> *gasp*
[11:32] <eroomde> the polar jet streams (our ones) can reach speeds of up to 200mph
[11:32] <eroomde> ergo seeing balloons going at speeds of up to 200mph is not altogether surprising
[11:32] <eroomde> surely?
[11:34] <eroomde> i guess we just haven't seen it so much recently (last 5 years or so) as the predictor has probably scared everyone off flying during those days
[11:34] <eroomde> but pre-predictor it was no uncommon see see aeroplane speeds for HABs, and chasing really was chasing
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[11:36] <LeoBodnar> Update for anybody trying to receive B-23 on 434.500: Due to a bug transmission is now in DominoEX 8 mode, not 16 as during launch
[11:36] <eroomde> that's a pretty funky bug
[11:37] <craag> Yeah, certainly not the most disastrous.
[11:37] <craag> Could really be a feature given the reduced tx power on 434!
[11:38] <OH7HJ-1> Yep, the airs high up move sometimes really fast. One can occasionally spot on FR24 or PF.com passenger jets riding high jet streams at supersonic ground speeds...
[11:39] Nick change: KipK -> KipK_away
[11:39] <eroomde> supersonic is an abused term
[11:40] <fsphil> sososonic
[11:41] <eroomde> crew
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[11:44] Nick change: KipK_away -> KipK
[11:44] <LeoBodnar> Do aircraft exhibit Cherenkov effect?
[11:46] <SpeedEvil> If they fly faster than the speed of light in a medium.
[11:46] <SpeedEvil> Doing so may void their airworthieness certificate.
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[11:48] <LeoBodnar> They should look pretty though
[11:48] <staylo> iirc the only vehicles affected by the Chekov effect are nuclear wessels
[11:48] <Darkside> hahaha
[11:48] <Darkside> hahahah
[11:48] <Darkside> Be seeing you :-)
[11:49] <tjanos> HA2ECM, Laci at the north border of Hungary said in our chat, he heard something on 434.500, but didnot able to decode
[11:49] <OH7HJ-1> How have you made it fly so high, Leo? Almost 10k alt now!
[11:50] <LeoBodnar> I am retracting earlier update, the control test hardware is different from what is flying now
[11:52] <LeoBodnar> This time I am using two balloons OH7HJ-1 because payload is too heavy for one
[11:53] <OH7HJ-1> That explains it, tnx Leo! I thought you might really have put something creating Cherenkov to keep the helium warm... ;)
[11:53] <fsphil> is this the first two-balloon float?
[11:53] <acidtech> I don`t hear anything on 434.500 today
[11:54] <OH7HJ-1> That might give it double flight time, too, if both balloons hold...
[11:55] <mfa298> acidtech: what area are you located in ?
[11:55] <fsphil> it'll probably come down if either one balloon pops
[11:55] <acidtech> Leeds, UK
[11:55] <mfa298> you're unlikely to hear anything then, as the balloon is just entering poland
[11:56] <mfa298> M0XER-2 is the same as B-23
[11:56] <acidtech> what about yesterday? I was able to listen to it yesterday?
[11:56] <mfa298> also if you're outside of the Blue Circle then it's below the horizon for you (or on the Horizon of the Blue Circle is close)
[11:56] <fsphil> it was in the UK yesterday
[11:57] <DL1SGP> it started in the UK yesterday
[11:57] <OH7HJ-1> although it is saying 'Ace' on its APRS line
[11:57] <acidtech> I heard some signal but not sure if it was from baloon
[11:57] <mfa298> It launched from silverstone yesterday evening
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[11:57] <fsphil> and now it's racing away ....
[11:57] <mfa298> acidtech: if you were hearing beeps in FM mode then that was probably something else.
[11:57] <DL1SGP> racing for japan, who knows :)
[11:58] <acidtech> yes in FM mode
[11:58] <acidtech> but it is possible to listen beeps in this mode )
[11:58] <fsphil> you won't hear these flights with an FM receiver
[11:58] <OH7HJ-1> Leo has put clever program in the chip. It sails east through cities with APRS igates: Minsk, Moscow... Which after them, Leo? ;)
[11:58] <mfa298> to listen for balloons in the UK you'll need to get yourself a reciever that can do ssb
[11:59] <acidtech> i just tried to listen 20m CW in fm mode
[11:59] <acidtech> )
[11:59] <Darkside> FM mode will not help you.
[11:59] <Darkside> get a sideband receiver
[11:59] <mfa298> acidtech: hearing CW in FM mode will depend on how that CW is sent.
[11:59] <acidtech> I know that I am unable to decode
[11:59] <acidtech> but I can listen to beeps )
[12:00] <acidtech> mfa298, just CW
[12:00] <Darkside> acidtech: the problem with FM is its receive bandwidth is mugch bigger than th ebandwidth of the transmitted signal
[12:00] <Darkside> so you're going to be receiving the payload, and a whole heap of other crap too
[12:00] <acidtech> carrier, without modulation
[12:00] <mfa298> If someone is sending CW by switching the carrier on and off then all you'll hear on an FM reciever is the noise disappearing
[12:00] <Darkside> a carrier will induce quieting in a FM receiver
[12:00] <Darkside> thats all
[12:00] <Darkside> you wont hear beeping
[12:00] <Darkside> if you are hearing beeping, then its something else
[12:01] <OH7HJ-1> Yes, I had a couple CW qso's with FM only IC-2E, by beating it with separate radio VFO.
[12:01] <mfa298> to hear a tone on FM they'll need to put a tone into an FM transmitter (which I think is done for some practice morse transmissions on 2m FM)
[12:02] <OH7HJ-1> Like the APRS which uses two tone modulated FM, = AFSK.
[12:03] <mfa298> acidtech: depending on your finances look at getting an rtl-sdr (~£7 from china) and/or FCD Pro+ (~£150)
[12:03] <mfa298> FCD Pro+ is a better reciever for most things but obviously costs more.
[12:04] <OH7HJ-1> Yes, RTL sticks are very good to start with! FIrst time need experiment a bit to find correct drivers, but then you can hear anything 26 MHz ... 1 + GHz.
[12:04] <acidtech> I think I will take IF out of my receiver and will make simple direct convertion demodulator
[12:04] <mfa298> or if you want something that doesn't require a PC to listen to the radio signals looks for a multimode scanner (there's a few listed on http://ukhas.org.uk/guides:tracking_guide)
[12:05] <Darkside> acidtech: not worth it
[12:05] <Darkside> though depending on your receivers IF, you could tsap it out into one of those RTLSDRs
[12:05] <OH7HJ-1> Again with all receivers, it is the aerial which decides how well and far you hear.
[12:05] <Darkside> you find ~70MHz IFs in some radios
[12:06] <acidtech> I have a R820t receiver, but it is crap
[12:06] <Darkside> acidtech: that'll do for this stuff
[12:06] <mfa298> although depending on the reciever you might not gain a lot by tapping the IF
[12:06] <Darkside> with a decent 70cm antenna, that'll do just fine
[12:06] <Darkside> acidtech: if you want to smartn th frontend up a bit, but a HABAmp in front of it
[12:06] <Darkside> http://ava.upuaut.net/store/index.php?route=product/product&product_id=83
[12:07] <Darkside> bandpass filter + preamp
[12:07] <mfa298> acidtech: plenty of people use those for tracking habs. If you want something similar but better look at the FCD Pro+
[12:07] <OH7HJ-1> I have now 5 pieces of R820, and have found them very sensitive on VHF and even up to 1090 MHz aircraft SSR.
[12:07] <mfa298> and/or get the habamp as darkside says
[12:08] <mfa298> with the R820T get a decent antenna - the little magmount that comes with it is only suitable for TV transmissions in some areas.
[12:08] <Darkside> heh, on my dongle, the 'coax' going to the 'magmount' was just twinlead
[12:09] <Maxell> mfa298: actually, good 70cm antenna with habamp+rtlsdr seems to haul in decodes as good as hardware recievers or fcdp+
[12:09] <OH7HJ-1> The real radio wave receiver is the aerial. The RTL stick, like other radios, only translate the high freq alternating current caught by aerial to sound.
[12:09] <mfa298> the ones I've cut in half were both rg174 or similar - they make nice BNC to MCX pigtails.
[12:10] <Darkside> mfa298: i probably just got a crap on e:P
[12:10] <Darkside> ahh, mine had the big belling lee socket
[12:10] <Darkside> not MCX
[12:10] <Darkside> i just desoldered it and put a big SMA in its place
[12:11] <OH7HJ-1> So try get the aerial in a high and unobstructed place, far from interference of all the consumer electronics in your house.
[12:11] <mfa298> The antennas with the more recent rtls are just in the spares box so I'm not sure whats in those.
[12:12] <OH7HJ-1> Once you get clear of household electronics noise, the receivers start to work properly.
[12:12] <acidtech> Yes of course the best amplifier is antenna )
[12:12] <mfa298> having got some crimp MCX connectors for rg174 I think I'd advise going for the Belling Lee style dongles and swapping to sma - that's probably a much easier task.
[12:13] <OH7HJ-1> The aerial is also the best interference filter. Try get it above roof level, at least, to get rid of noise.
[12:14] <mfa298> and have an antenna designed for the band you want.
[12:14] <OH7HJ-1> I have modified all the original aerials of RTL sticks to aerial adapters. Cut the coax, and attach aerial connector.
[12:15] <mfa298> and have some good coax. There's little point having a good antenna if you use cheap coax that introduces more noise.
[12:15] <OH7HJ-1> The leftover magnet mounted aerial base is suitable for car aerial use, once you replace its whip with an 1/4 wl wire for 2 m or 70 cm.
[12:17] <mfa298> looking at the original antennas I've got like that and the newer ones the strength of the magnet has dropped a lot. I'm not sure I'd trust the newer ones on a car at speed with a decent sized antenna on them.
[12:18] <OH7HJ-1> Standard RG58 BNC connectors are easy to use for the RTL antenna RG174 coax, too. Just fold the coax braid and push into the connector hole. No crimp needed. ;)
[12:19] <Darkside> nooo
[12:19] <Darkside> i didnt read that
[12:19] <Darkside> badbadbad
[12:19] <Darkside> get the proper connectors...
[12:19] <OH7HJ-1> Good remark, mfa! The small magnet base hold well when I use max 1 mm piano wire.
[12:19] <mfa298> you can get the proper rg174 connectors cheaply enough.
[12:19] Nick change: SiC- -> SiC
[12:19] <Darkside> yeah
[12:20] <Darkside> i hav a bunch of crimp + solder ones
[12:20] <mattbrejza> just strip enough of the core insulator back and you should be able to shove the coax directly into the rtl, no connectors needed!
[12:21] <mfa298> most of the things I got were around a $1 each in packs of 10 from china.
[12:21] <Darkside> mattbrejza: troll
[12:21] <mattbrejza> will probably work quite well though
[12:21] <mfa298> the only ones which are a pain are the MCX connectors as the pin is smaller than the crimp tool I've got can manage.
[12:21] <mattbrejza> after all, thats pretty much what we do for the standard tv connectors around here
[12:21] <OH7HJ-1> A pro view, Darkside. However, let us amateurs only utilize the special property of electricity, that it flows also through somewhat unorthodox joints...
[12:22] <fsphil> those horrible tv connectors
[12:22] <Darkside> OH7HJ-1: i'm an amateur operator
[12:22] <Darkside> it doesnt mean my amateur station can't have professional quality cables and connctors
[12:22] <Darkside> mattbrejza: F connectors + RG6, right?
[12:22] <mfa298> most of my TV coax now has 75R BNC :)
[12:23] <fsphil> all N and SMA at my place, except for when the ugly HF antennas required
[12:23] <OH7HJ-1> I have already presented everything professional to my friends... ;)
[12:23] <Darkside> fsphil: yeah, i only use SO239 for HF
[12:23] <mattbrejza> theyre not F
[12:23] <mfa298> also RF isn't always like standard electricity (50Hz AC / DC)
[12:23] <Darkside> and even thn i'm switching to N
[12:24] <mattbrejza> http://en.wikipedia.org/wiki/TV_aerial_plug
[12:24] <fsphil> my radio's input is an SO
[12:24] <mattbrejza> they dont even have a proper name
[12:24] <mfa298> mattbrejza: you mean Belling Lee
[12:24] <mattbrejza> perhaps :P
[12:24] <mattbrejza> passband: 0-100MHz
[12:24] <mattbrejza> hmm
[12:24] <fsphil> haha
[12:25] <OH7HJ-1> Today I built a power splitter for 4 dipoles, using only one connector. The one on the Rx end of the coax. :))
[12:25] <mfa298> they're about as good as the Low Loss UHF coax that comes with them
[12:25] <mfa298> more holes than copper in the braid.
[12:25] <mattbrejza> theyre about 50ohm too....
[12:25] <fsphil> despite all tv coax being 75ohm
[12:25] <SpeedEvil> New source of free trackers.
[12:25] <fsphil> nice one
[12:25] <SpeedEvil> http://www.bbc.co.uk/news/technology-24731080
[12:26] <SpeedEvil> Or - a reason to fit a GPS jammer before going on a crime spree.
[12:26] <mattbrejza> just put a 808 camera in your car...
[12:27] <adamgreig> £312 a pop!
[12:27] <adamgreig> LeoBodnar should get into consulting for them
[12:27] <mattbrejza> persumably gsm?
[12:27] <mattbrejza> or also with gsm
[12:27] <adamgreig> idk, could just be radio
[12:28] <adamgreig> go do something illegal stateside and drive home and get your spectrum analyser out
[12:28] <mattbrejza> £312 isnt bad bearing in mind how expensive everythig else tends to cost
[12:28] <adamgreig> guess so
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[12:28] <nats`> nothing easier than building a gps jammer :D
[12:28] <nats`> a lot easier than gsm/3g one
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[12:33] Nick change: daveake1 -> daveake
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[12:47] <Laurenceb> what is the APRS comment about?
[12:47] <Laurenceb> batteyr life?
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[12:48] <Laurenceb> heh
[12:48] <Laurenceb> http://aprs.fi/#!lat=52.96670&lng=-1.16670
[12:50] Nick change: KipK -> KipK_away
[12:50] Nick change: KipK_away -> KipK
[12:50] Nick change: KipK -> KipK_away
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[12:56] <LeoBodnar> It gets screwed up in the APRS system somewhere. If you look at the raw packets e.g. "M0XER-2>APRS,WIDE1-1,WIDE2-1,qAR,SR5DRK:!/4ZqdS]EiO 0N/A=030941" you'll see "0N" before "/A=030941"
[12:56] <LeoBodnar> this is base91 encoded battery voltage is mV
[12:56] <Laurenceb> hah
[12:57] <LeoBodnar> "0N" = 1410mV
[12:57] <Laurenceb> base 91?!
[12:57] <Laurenceb> looks like it will last for a while still
[12:57] <Laurenceb> http://base91.sourceforge.net/
[12:57] <Laurenceb> oh i see
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[12:59] <Laurenceb> be interesting to see if it gets more coverage over Belarus
[12:59] <Laurenceb> it seems to be in the jet stream
[12:59] <LeoBodnar> I am not sure if there are different version, I use the one from APRS ftp://ftp.tapr.org/aprssig/aprsspec/spec/aprs101/APRS101.pdf page 20
[13:00] <Laurenceb> seems to work suprisingly well
[13:00] <Laurenceb> how do you manage 144 and 434mhz?
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[13:01] <Laurenceb> 121 MPH alt 30980 ft
[13:01] <Laurenceb> wow
[13:02] <LeoBodnar> The tx chip I use Si4060 covers 140MHz to 1GHz
[13:03] <Laurenceb> yeah but you need a tuned impedance matcher?
[13:04] <Laurenceb> http://aprs.fi/?c=raw&call=M0XER-2 <- where is the position in there?
[13:05] Action: Laurenceb reads datasheet
[13:05] <LeoBodnar> "!/4VB,Sdc-O" is encoded altitude
[13:05] <Laurenceb> i think i see now - its simpler
[13:05] <Laurenceb> but what about encoded latitude and longitude?
[13:05] <LeoBodnar> "/4VB," is encoded Lat and "Sdc-" is encoded Lon
[13:05] <Laurenceb> ah
[13:06] <Laurenceb> very compact
[13:06] <Laurenceb> then there is a checksum on the packets as well?
[13:06] <LeoBodnar> "/" and "O" mean balloon
[13:06] <LeoBodnar> "/4VB" is encoded Lat and "!" means position report without timestamp
[13:07] <LeoBodnar> It's compact but should have really been purely binary format
[13:11] <LeoBodnar> Yes, checksum is part of the X.25 frame
[13:12] <Laurenceb> so what do you transmit
[13:12] <Laurenceb> just one of these?
[13:12] <Laurenceb> http://www.euclideanspace.com/coms/protocol/x25/link/f_types/
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[13:13] <LeoBodnar> X.25 has been slightly modified for AR packet use: https://www.tapr.org/pub_ax25.html
[13:14] <Laurenceb> ewww complex
[13:17] <LeoBodnar> I can see how the idea was to use something existing and try to cater for all possible future uses but it is neither efficient due to extra crap and ASCII nature nor universal as there was no progress like efficient routing, etc
[13:20] <fsphil> it's layers upon layers of nonsense
[13:20] <fsphil> needs a reboot :)
[13:20] <fsphil> needs to get away from 1200 baud AFSK too
[13:21] <LeoBodnar> It's dragging on from 70's
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[13:22] <fsphil> trouble is getting existing users to change
[13:22] <WillTablet> The one thing people do when they have WiFi on a moving vehicle is to announce that they have WiFi on a moving vehicle
[13:22] <adamgreig> isn't that always the way
[13:22] <WillTablet> So without further ado, I have WiFi on a train
[13:23] <fsphil> I had wifi on a plane once. that was neat
[13:23] <fsphil> and slow
[13:23] <fsphil> but still neat
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[13:23] <mfa298> things don't change. It used to be mobile phones and "I'm on the Train" shouted into the handset so the whole carriage could hear.
[13:24] <ve6ts> i was flying (as pilot) and made a phone call; cell service around here wasn't great so i had to keep it in a quick tern around a town to keep the signal
[13:24] <OH7HJ-1> Yep, nobody has developed any dnew ata modes able to work as a spontaneous network. . Packet is still the only choice.
[13:24] <ve6ts> s/tern/turn
[13:24] <fsphil> the plane I was on had a satellite internet connection
[13:24] <fsphil> latency was horrible
[13:24] <WillTablet> I'm just
[13:24] <fsphil> but it was reliable
[13:24] <WillTablet> Like yippe wifi
[13:24] <ve6ts> fsphil better then no internet
[13:24] <fsphil> true
[13:24] <WillTablet> What am I gonna do with it?
[13:25] <fsphil> do what everyone does with the internet. youtube cat videos
[13:26] <WillTablet> :-)
[13:26] <fsphil> though it'll be too slow
[13:26] <WillTablet> Minecraft?
[13:26] <mfa298> we need to acheive internet in balloons, internet in Trains, Buses and cars has been done for years
[13:26] <fsphil> you must be bored
[13:27] <fsphil> we've had 3G internet from a balloon -- well, while near the ground anyway
[13:27] <fsphil> I'll try wifi sometime
[13:27] <mfa298> just need it to work at >1km now.
[13:27] <nats`> why the hell would you want to put stuff inefficient as wifi on a balloon :p
[13:28] <WillTablet> Trying to connect my netbook up. My tablet can connect.
[13:29] <fsphil> cause it's really cheap :)
[13:29] <fsphil> and if it works, quite fast
[13:29] <nats`> and really power/BW hungry
[13:29] <ve6ts> i've always wanted to try wifi on a balloon as well, just for fun
[13:29] <mfa298> its potentially one of the easiest ways we might acheive video at present
[13:29] <fsphil> exactly
[13:29] <ve6ts> i was going to try for starters one of those wireless cameras
[13:30] <fsphil> even if I get the video of a launch I'll be happy
[13:30] <WillTablet> Urgh. My netbook can't handle a WiFi network with a sign in page
[13:30] <fsphil> from the payloads point of view]
[13:30] <ve6ts> not sure what the range would be like
[13:30] <nats`> if you take onboard a 2meter dishes that could be good :D
[13:30] <fsphil> and if I'm close enough, I could get live video of the landing
[13:30] <nats`> or a coffe can antenna :D
[13:31] <OH7HJ-1> WiFi is a curious idea! It would get myriads of listening networks! Problem is, how to get those networks relay the balloon to the internet..?
[13:32] <WillTablet> Anyone got any ideas?
[13:33] <OH7HJ-1> The connection thru WiFi would in practise work from up to down of course. That is because it would be deafened by those myriads local wlans down there.
[13:34] <fsphil> I'd fly it in master mode
[13:34] <fsphil> it would appear as a wifi network
[13:34] <mfa298> OH7HJ-1: most of the ideas we've had so far is just to create some sort of point to point link (master mode or Ad-Hoc mode)
[13:34] <fsphil> run a web server on it, challange people to connect to it and leave a message
[13:34] <ve6ts> that would be interesting
[13:35] <ve6ts> just log the dhcp requests as well
[13:35] <mfa298> I did just wonder about going the other way and have the payload run an irc bot.
[13:35] <mfa298> have it connect to the irc channel to report position
[13:35] <fsphil> upload to habitat directly
[13:36] <gonzo_> would probably have more success running a 9600bd link at 434meg and serial IP
[13:36] <fsphil> aye
[13:36] <gonzo_> though that is going to be inefficient
[13:36] <OH7HJ-1> By propagation, a little boosted WiFi is capable to tens or even hundreds of km distance. The restrictions of remote two-way connections are in the firmware/software.
[13:37] <fsphil> also I'd love to ssh into a flight computer, while it's flying
[13:38] <OH7HJ-1> It is built for close network, so for long distances you need to adjust it to accept longepings.
[13:38] <OH7HJ-1> Yes, the speed of light...
[13:40] <OH7HJ-1> Here is a long distance WLAN experimenting thread with a 20 km+ Wifi connection we managed: http://www.oh7ab.fi/foorumi/viewtopic.php?f=21&t=429&sid=2612a3b40264244fb27e448f3ee75a14&start=10#p1141
[13:41] <OH7HJ-1> Would have been no trick from balloon, but quite an effort above mixed terrain.
[13:42] <OH7HJ-1> The routers we used have a distance setting which enables them work WiFi for up to 50 km by firmware.
[13:45] <fsphil> my personal best is just over 1km
[13:45] <fsphil> there is a 10km path I can try but the weather hasn't been ideal
[13:46] <OH7HJ-1> That is good distance for a protocol originally made to reach just tens of meters.
[13:47] <mfa298> even just managing wifi from a balloon at 1km would be a nice start
[13:48] <OH7HJ-1> You will manage the 10 km either over water, or with both wlans high enough. Need get clearance well above line of sight, to beat the Fresnel.
[13:48] <fsphil> I don't understand the fresnel zone thing
[13:58] <OH7HJ-1> That Fresnel simply means that you have to get your aerials / routers higher than LOS. The longer distance, the higher must aerials be, for the GHz to get through.
[13:59] <OH7HJ-1> Rough terrain and vegetation literally 'sucks' SHF waves traveling above.
[13:59] <Geoff-G8DHE-M> http://en.wikipedia.org/wiki/Fresnel_zone
[14:00] <OH7HJ-1> Water is an exception. Sometimes it channels low SHF waves if there is a moisture layer above the surface.
[14:01] Nick change: Steve_G0TDJ_AFK -> Steve_G0TDJ
[14:02] <OH7HJ-1> Worst case is rough terrain with trees in rainy weather. Wet trees are especially greedy for RF. This is the case we are trying to beat here...
[14:05] <fsphil> oh it's an effect of reflection
[14:08] <SpeedEvil> No.
[14:08] <SpeedEvil> Trees suck.
[14:09] <OH7HJ-1> Or dispersion. Not even light will travel through a hole without losing its energy. RF needs a lot larger hole to travel thru. Diameter of this hole is the Fresnel diameter.
[14:09] <fsphil> ok that bit doesn't make sense to me
[14:10] <SpeedEvil> fsphil: People move fastest through an opening if it is considerably wider than they are.
[14:10] <SpeedEvil> If they barely fit - they will slow down and lose lots of energy
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[14:10] <OH7HJ-1> The lower the radio wave freq, the larger RF wavefront. The whole wavefront must get thru to preserve its energy.
[14:10] <LeoBodnar> Do you lose weight travelling through a smaller door?
[14:11] <OH7HJ-1> RF travels wide..!
[14:11] <fsphil> an object falling through a hole (without any atmosphere) will not be any quicker or slower if the hole is just big enough, or wider?
[14:12] <OH7HJ-1> Yes, keyhole strips most energy, door some, barn door maybe not much. The Fresnel is the diameter of door not stripping energy from the wavefront.
[14:12] <LeoBodnar> This is quantum mechanics area not Newtonian
[14:13] <Laurenceb> Belarus
[14:13] <LeoBodnar> Cue Brian Cox pensively gazing through the barn door
[14:13] <Laurenceb> think of each point at the widest point in the zone
[14:13] <OH7HJ-1> RF travels as a wavefront, not as an object. Wavefront is spread wide.
[14:13] <Laurenceb> - each point of the wavefront
[14:13] <Laurenceb> some of that diffracts to the receiver
[14:13] <Laurenceb> you need to be able to Rx all of it
[14:15] <OH7HJ-1> Throw a stone in water and it makes a circular wavefront. If you put a wavebreaker narrow port on front of it, the waves lose strength and vanish soon after they enter thru the port.
[14:16] <craag> Easiest thing is probably a demo with a water tray, then put a gate in the middle larger than the size of the wavelength, due to the spreading out after the gate, less energy arrives at a 'receiver point' at the other end.
[14:16] <OH7HJ-1> Open the port wide, and you get high waves right to the end of the harbor.
[14:17] <OH7HJ-1> Then flood the water with trash like trees. The waves are absorbed by the trash.
[14:18] <craag> Yep, especially if you line the sides with model-tree-like-structures but leave a gap from 'tx' to 'rx', you'll still get less wave height arriving at the 'rx' despite line-of-sight across the water.
[14:19] <Laurenceb> i just notices the geofence around france
[14:19] <fsphil> the trees would prevent reflection of the ground
[14:19] <Laurenceb> very neat
[14:20] <OH7HJ-1> The wavefront thing also explains why an effective aerial has to be a large aerial. It must collect the energy from a wide section of the wavefront, to be effective.
[14:21] <craag> Sounds like we need to get some water trays for the radio club... I hadn't thought of demonstrating it like that but it does work very well.
[14:21] <OH7HJ-1> Bigger sail is more powerful sail.
[14:21] <Laurenceb> LeoBodnar: as the USA frequency is so close...
[14:22] <Laurenceb> you could try a flight around the long way now
[14:22] <WillTablet> Hackaday blocked
[14:23] <WillTablet> Time for a socks proxy
[14:23] <fsphil> why bother
[14:23] <OH7HJ-1> Yes, if you are able to make the APRS Tx quiet over prohibited areas, maybe you could set it switch to US aprs freq, too..? :)
[14:23] <fsphil> OH7HJ-1: I bet he already has
[14:25] <craag> OH7HJ-1: I think he has :)
[14:25] <OH7HJ-1> What proxy? Only two things real men never change: Socks! ;)
[14:25] <craag> Or at least he mentioned he had 2x aprs freqs programmed in.
[14:25] <OH7HJ-1> (Meaning myself of course ;)
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[14:25] <Laurenceb> LeoBodnar: need to try hydrogen + solar + 2m APRS + pick good weather
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[14:26] <Laurenceb> and try to reach the US the wrong way around
[14:28] <LeoBodnar> It will swithc
[14:28] <LeoBodnar> It will switch over to local APRS frequency over China, South Korea, Japan and USA
[14:29] <Laurenceb> sweet
[14:29] <Laurenceb> very impressive
[14:29] <Laurenceb> geofence stored in flash?
[14:29] <LeoBodnar> Just need to make it there :D
[14:29] <craag> And over North Korea it goes into 'Stealth Mode' but plays the US national anthem right?
[14:29] <Laurenceb> how big is the data set?
[14:29] <LeoBodnar> Yes, the table does not have to be massive
[14:29] <Laurenceb> hmm
[14:30] <Laurenceb> you could play audio using it
[14:30] <Laurenceb> hehe
[14:30] <LeoBodnar> It's pretty accurate for UK and France but China I think about 20 key points
[14:31] <DL1SGP> over north korea it changes callsign to U-2
[14:31] <LeoBodnar> Over N Korea anything is equally offensive, even Jingle Bells
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[14:36] <WillTablet> LeoBodnar are you planning a flight to go across China, SK, Japan and the USA?
[14:37] <WillTablet> Apparently north Korea deliberately jams shortwave signals
[14:37] <LeoBodnar> If could "plan" a flight like that I would!
[14:37] <LeoBodnar> Everybody did it in 80s WillTablet
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[14:51] <OH7HJ-1> Does everything in ham radio come eventually together in making QRM..? ;)
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[14:54] <craag> AMSAT-UK took the article on my talk down, apparently the BATC complained about copyright of the video!
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[14:55] <fsphil> wot?
[14:55] <adamgreig> haha what
[14:55] <WillTablet> I just had a really good idea on how to make Scotland choose to be independent.
[14:55] <WillTablet> Kidnap the proclaimers!
[14:55] <Andrew_M6GTG> craag: probably weren't insured ;-)
[14:55] <craag> haha
[14:56] <Andrew_M6GTG> your face was a picture when that was the first question
[14:56] <craag> Yeah.. I'd been dreading it!!
[14:57] <Andrew_M6GTG> In my presentation tonight have put "Insurance? LOL" in the power point
[14:58] <mattbrejza> so did your artcile have the video embedded or something?
[14:58] <fsphil> do what insurance companies do - a screen full of really small text up for 1 second
[14:58] <craag> mattbrejza: That's what I'm trying to find out. Given it's wordpress-based they might have had to clone the video file to embed it?
[14:58] <Andrew_M6GTG> was on youtube
[14:59] <craag> On a BATC channel?
[14:59] <craag> or AMSAT channel?
[14:59] <Andrew_M6GTG> amsat
[14:59] <fsphil> interesting point though. do batc claim copyright on video streamed through them?
[15:00] <adamgreig> well if they recorded it...
[15:00] <fsphil> or just the ones they themselves organise
[15:00] <craag> fsphil: I think they wanted to be consulted before it was ripped and re-hosted.
[15:00] <mattbrejza> well they could have just removed the video...
[15:00] <craag> mattbrejza: Yeah, just got the message back explaining that...
[15:00] <craag> He manages the site on his iphone, and cba to edit it, so just deleted it :|
[15:01] <fsphil> smooth
[15:01] <mattbrejza> :/
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[15:03] <Andrew_M6GTG> the video is still there but private ;-) http://www.youtube.com/watch?v=pV1t22SMde8
[15:05] <craag> They are justified IMO in asking people to link to the BATC-hosted copy rather than re-hosting it.
[15:05] <Laurenceb> "APRS via WIDE1-1,WIDE2-1,qAR,EW1ABZ-10]"
[15:05] <Laurenceb> why can't i see them on the map?
[15:06] <craag> But the normal thing to do would have been to edit it rather than just delete it, leaving 404ing links on the their fb and twitter.
[15:06] <phorvath> Laurenceb: you need to reload the page?
[15:06] <Laurenceb> ah
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[15:09] <Andrew_M6GTG> craag: looks like a panic 'cease and desist' reaction... "oh ****.. delete it quick"
[15:09] <x-f> just change the zoom, it will reload and show new stations
[15:10] <craag> Andrew_M6GTG: Or the BATC will turn up and beat down your door??!
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[15:11] <Andrew_M6GTG> Were they a hostile crowd Phil? It was hard to tell
[15:13] <craag> Andrew_M6GTG: Not at all!
[15:14] <craag> Some obviously weren't very interested, but some very much were!
[15:16] <Andrew_M6GTG> craag: The picture of the front row (what I saw) was priceless, I very nearly came along but when you cancelled the flight and the forecast looked dreadful I stayed at home, glad it was well received
[15:18] <tweetBot> @thecraag: AMSAT took my Introduction to HABs talk down, but you can still find it on the BATC Archive here: http://t.co/OjNB7smeaQ #amsat #hamr #ukhas
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[15:20] <craag> Andrew_M6GTG: Yeah there wasn't a chance of being able to do the flight. I almost camped at the Club too but wimped out when I saw the forecast.
[15:20] <craag> In the end only caught about an hour of the storm on the last leg back to Soton.
[15:22] <Andrew_M6GTG> that is good to hear would have been horrendous if you'd had it all the way, that was a long drive!
[15:26] <craag> It was the longest drive I've done so far, wasn't that bad though, at least there was barely any traffic at all on the way back down!
[15:26] <craag> People being far more sensible than I was and staying in..
[15:27] <gonzo_> where was the talk?
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[15:33] <ve6ts> craag do you guys have a balloon club there?
[15:33] <ve6ts> as in a location?
[15:34] <nats`> whooshy if confirmed adobe will cry, photoshop source code stolen in the middle of the 40 million user account....
[15:34] <craag> gonzo_: At Finningley ARS near Doncaster, they were hosting the BATC Convention
[15:34] <craag> ve6ts: It was the Bristish Amateur Television Club who'd asked me to do an intro talk on HABs
[15:35] <ve6ts> ah i see, i might be doing a talk at the Calgary Flying Club, i bet they would be interested
[15:35] <craag> Yeah I bet they would! go for it.
[15:35] <ve6ts> i'm a member anyway
[15:36] <ve6ts> i was thinking of bringing some payloads and doing a radio demo with some radio direction finding
[15:36] <ve6ts> of course showing some pics at 122K feet
[15:36] <craag> :)
[15:36] <craag> demos are good
[15:36] <craag> especially ssdv demos :P
[15:37] <ve6ts> that is for sure
[15:37] <DL1SGP1> especially when the first row does not seem to get the idea that they will be in the picture, craag :)
[15:37] <ve6ts> the last talk i did was with some middle schoolers, then i helped them launch a balloon
[15:37] <craag> Annoyingly when I tried to demonstrate the streaming over 3G, the BATC event streaming cut out, so I was not allowed to do that!
[15:38] <craag> (Both on the '3' Network)
[15:39] <craag> DL1SGP1: Haha yes, I meant to warn them, but the picture gets taken a fair while before the transmission starts!
[15:40] <DL1SGP1> well you explained them about the pi-camera and that it would take a picture before even switching on the fiddly Pi, so that should ahve warned them enough
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[15:46] <gonzo_> craag, how many were asleep?
[15:50] <fsphil> I nearly fell asleep at the last conference I was at -- was up all night trying to get the payload ready
[15:50] <fsphil> which is annoying as they where pretty good talks
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[15:58] <Laurenceb> APRS seems to be outperforming Dominoex
[15:59] <Geoff-G8DHE> But remember the power is very much reduced on 70cms Dominio because of the wrong filter components
[15:59] <Laurenceb> i mean proper 434mhz dominoex
[15:59] <Laurenceb> tends to lose receivers past poland
[16:01] <Geoff-G8DHE> Oh yes, I guess that's inevitable, provided there is a Gateway in range then APRS is just as likely to get in as listeners on 70cms
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[16:04] <Maxell> Laurenceb: yes, this recieving network is working very smooth
[16:04] <iain_G4SGX> So is there a tenuous prediction for B22 ? That had APRS right?
[16:05] <Laurenceb> <iain_G4SGX> the weather didnt look prilliant for it
[16:05] <Laurenceb> *brilliant
[16:05] <Laurenceb> it might have been brought down by now
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[16:05] <Laurenceb> also aiui it was obtimised for 434mhz??
[16:05] <Laurenceb> *p
[16:07] <Geoff-G8DHE> No he used an old board that he thinks he had populated only for a 2m LPF after the Tx, locally I guess he wouldn't spot the difference but as soon as it was airborne the signal level dropped rapidly :-(
[16:07] Nick change: KipK_away -> KipK
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[16:09] <iain_G4SGX> Parallel Dual bandpass filters after the chip may work instead of LPF i was thinking. except for the 3rd harmonic of the APRS.
[16:11] <fsphil> oooh, cheap flights from belfast to bordeaux. anyone need a tracker in south west france? :)
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[16:40] <ve6ts> does anyone know if any software allows field-hell to be decoded and recorded as a series of images or something like that?
[16:41] <number10> fldigi does
[16:41] <number10> not sure if it can record it - but will display it
[16:41] <fsphil> don't think it saves images. would be a nice feature
[16:41] <ve6ts> exactly
[16:42] <ve6ts> no software i have seen can record a fuzzy mode
[16:42] <ve6ts> i'm gonna have to so screenshots then
[16:45] <ve6ts> i think i had a loose battery on my last flight
[16:45] <ve6ts> it kepts transmitting the first char for a bit
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[17:07] <Laurenceb> should be in range of Moscow soon
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[17:13] <Willdude123> Is it me or is awfulnet a really bad name for an IRC network? It's got an awesome LGBT youth community though, but the name infuriates me
[17:14] <adamgreig> IRC networks historically have great names
[17:14] <ve6ts> hehe, sounds like a net i don't wanna go on
[17:15] <craag> A lot of good hang-outs on the internet had great names
[17:15] <craag> somethingawful forums were great
[17:16] <Willdude123> ve6ts, full of teenagers. It is largely dominated by the LGBT community though so I like it.
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[17:16] <Willdude123> There are presumably other channels.
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[17:17] <craag> teenagers on IRC - glad to see the real internet still exists in the youth of today :)
[17:17] <craag> I'm 23 now, I'm allowed to talk like that right?
[17:18] <Willdude123> No. You are still a youth
[17:18] <Willdude123> :P
[17:18] <craag> :(
[17:18] <fsphil> get of my lawn
[17:18] <fsphil> if I had one
[17:18] <Upu> I've been using IRC before Willdude123 was born
[17:18] <adamgreig> haha 23 is like late twenties basically craag
[17:18] <adamgreig> practically dead
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[17:19] <craag> cheers adamgreig
[17:19] <adamgreig> yw
[17:19] <Willdude123> Upu, what for?
[17:19] <Upu> guess !
[17:19] <adamgreig> I have like months until I'm 23 :P
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[17:20] <Willdude123> Upu well HABbing has only really been around for like, I dunno a half-decade
[17:20] <Willdude123> It's really centered around a subreddit, but I prefer IRC because it's less traceable and if somebody were to google "Willdude123" they wouldn't find out that I'd been asking people advice on coming out.
[17:20] <craag> There was a world before Habbing you know Willdude123
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[17:20] <adamgreig> Willdude123: you know the logs for this channel are public right?
[17:20] <adamgreig> and indexed by google
[17:20] <LeoBodnar> There's been Internet before WWW
[17:20] <Willdude123> adamgreig, meh.
[17:21] <fsphil> hah
[17:21] <Upu> secret of great comedy
[17:21] <Upu> is a broken bot
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[17:21] <Upu> Mine craft huh Willdude123
[17:21] <Upu> and bit coins
[17:22] <Upu> and Kerbel Space program
[17:22] <fsphil> there are pictures of you online Willdude123
[17:22] <craag> It's like the people in #anonymous who used to lookup new people joining and kick them if they weren't using ssl cos then the feds could spy on them.
[17:22] <Upu> you've got more internet presence than Mylie Cyrus
[17:22] <Willdude123> Hehe
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[17:23] <craag> Of course logging bots couldn't use ssl and have nicks like L33tH4Ck4R_9000
[17:23] <Willdude123> I've not explicitly stated anything too revealing anywhere. #LGBTeens isn't logged, so that's good
[17:24] <Willdude123> IDK
[17:24] <Upu> you think
[17:24] <Upu> anyone on there could be logging
[17:24] <craag> I privately log every channel I'm in
[17:24] <Upu> just assume anything you do on the internet is on the internet
[17:24] <SiC> a lot of IRC clients log automatically
[17:24] <craag> Just for reference later.
[17:25] <Willdude123> Upu I'd have thought you'd have found reddit, from which you could infer that I sub to /r/bisexual and also /r/LGBTeens from which you could probably tell quite a bit about me from.
[17:25] <adamgreig> craag: "reference"
[17:25] <adamgreig> I use my logs to build markov chains of people I know and chat to them
[17:25] <craag> well blackmail also
[17:25] <Upu> well done Willdude123 but you don't need to keep posting it here
[17:25] <adamgreig> megabytes of word choice
[17:25] <bertrik> hm, all of recent balloons are going to a secret meeting somewhere in siberia it seems ...
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[17:26] <Willdude123> Upu I get Modern Family, Wikipedia, Minecraft. Not sure how you got KSP
[17:26] <Upu> lets get back on topic pls Willdude123
[17:26] <Willdude123> Sorry.
[17:26] <Willdude123> So balloons... Boards were remade on Monday
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[17:27] <Upu> I saw your tweet
[17:28] <Willdude123> Ah OK.
[17:29] <craag> BTW do people know if it's possible to get NOTAMs for night launches?
[17:29] <Willdude123> Need something to do in the meantime
[17:29] <mattbrejza> cant see why not?
[17:30] <mattbrejza> we have launched at night at cam and the tower didnt care
[17:30] <adamgreig> yea in general it's fine
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[17:30] <adamgreig> depends on local air traffic control
[17:30] <mattbrejza> not that they apparently care much during the day either
[17:30] <craag> Ok, someone at the weekend said they'd had 'Daylight Only' on all their paperwork.
[17:30] <adamgreig> cambridge tower were great for night time
[17:30] <adamgreig> "yea, we'll be asleep, so do wahtever"
[17:30] <craag> k cool, cheers
[17:30] <adamgreig> v reassuring
[17:30] <mattbrejza> i guess because daylight != nighttime
[17:31] <mattbrejza> and nighttine is when noone flies
[17:31] <adamgreig> it's entirely possible some specific things would say daylight only
[17:31] <mattbrejza> but there is the now o'clock where planes are flying but you cant see balloons?
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[17:32] <craag> Yeah I guess that would be the issue.
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[17:32] <craag> It was winter launches he'd done.
[17:33] <mattbrejza> the new forest notam had a 3 hour window i think
[17:33] <Willdude123> What can I do to keep me occupied in the time between now and when my printed circuit boards arrived?
[17:33] <bertrik> fix your software :)
[17:37] <Willdude123> :)
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[17:50] <DL7AD> sddf
[17:50] <jphoglund> xyzzy
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[17:50] <DL7AD> good afternoon
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[17:53] <Boggle_mint> M0XER-2 approaches Moscow
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[18:03] <DL7AD> received by moscow
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[18:23] <LeoBodnar> daytime NOTAM restriction might be due to ATC reduced staffing reasons
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[18:28] Nick change: KipK -> KipK_away
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[18:38] <Astrobiologist> The Blackberry HAB modem & tracker app works :-)
[18:39] <fsphil> Woo, 10s more people can use it ;)
[18:39] <ve6ts> ouch
[18:39] <fsphil> I kid I kid
[18:39] <Astrobiologist> ...or maybe just me? ;-)
[18:40] <fsphil> blackberry people are hardcore
[18:40] <ve6ts> i agree
[18:40] <fsphil> they're like amiga users, will still be using it in decades to come
[18:40] <ve6ts> hehe for sure
[18:40] <fsphil> with or without parent company
[18:40] <Astrobiologist> I had an Atari ST, even more hardcore! :-)
[18:40] <ve6ts> i still like my symbian phone
[18:41] <fsphil> I've never seen an ST. they where very similar to the amigas
[18:43] <Astrobiologist> Amigas had a more specialised chip set. Atari ST though had it's OS in ROM so was much less fiddly for things other than bootloading games
[18:43] <fsphil> the amiga had parts of the OS in rom
[18:43] <fsphil> the desktop bits got loaded from disk
[18:44] <Astrobiologist> If you had the largesse of a Hard drive, the distinction was much less. But an Amiga booting it's GUI from a floppy was painful
[18:44] <ve6ts> i grew up with a c64 ( i was spoiled i had the 64 with disk drive)
[18:44] <fsphil> ve6ts: breadbox or the 64c?
[18:44] <Astrobiologist> painfulI'm going into a tunnel, catch you later!
[18:45] <ve6ts> breadbox
[18:45] <fsphil> I've still got some c64 floppies, and they worked last time I tried them
[18:45] <ve6ts> hehe, cool
[18:45] <ve6ts> i even had the modem (cannot remember the speed) i think it was 115 baud
[18:45] <fsphil> oooh sweet
[18:45] <fsphil> I wasn't allowed those
[18:46] <ve6ts> hehe, modem is bad news :) got me into trouble way too many times
[18:46] <ve6ts> man the c64 was a great machine
[18:46] <ve6ts> i miss those days :)
[18:47] <acidtech> 64k&
[18:47] <acidtech> ?
[18:47] <ve6ts> commodore 64 (the 64 was 64 KB of ram)
[18:47] <ve6ts> i liked that you could use any tv as it's monitor!
[18:47] Nick change: KipK_away -> KipK
[18:48] <ve6ts> it started my love of programming
[18:48] <acidtech> 68k*
[18:49] <acidtech> I mean mc68k processor
[18:49] Astrobiologist (~yaaic@ left irc: Ping timeout: 272 seconds
[18:49] <ve6ts> i have an ad printed out of the c64 when it came out (i have posted it in my office at work)
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[18:51] <acidtech> UT3BW, 4>1@K9 25G5@
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[18:53] <fsphil> ve6ts: you can plug a raspberry pi into a telly. it's as blurry as the c64 was.
[18:53] <ramm25> B> M BCB C:@0i=Fi?
[18:53] <acidtech> <>A:0;8
[18:53] <ramm25> E0;5?0
[18:54] <ve6ts> fsphil ya i bought one of those to play with, too much power for the type of ballooning i was interested in, haven't used it much
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[18:54] <ramm25> :B> C2i<:=C; "uahab_chase"?
[18:54] <ve6ts> i might set it up at the cabin to log weather or something
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[18:59] <ve6ts> i have 5 micro payloads sitting out there somewhere (3 of them have my contact info on it) i'm wondering if i will ever get one back?
[18:59] <ve6ts> not a very high population where they went
[18:59] <acidtech> BCB 5ABL @CAA:85 ;N48?
[19:00] <arko> neat weather website http://weatherspark.com
[19:00] <ve6ts> arko that is neat, i run a wunderground weather station currently
[19:01] <ve6ts> will be added a second one out at my cabin (no weather reporting out there - it is a small village)
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[19:02] <arko> nice!
[19:03] <ve6ts> i like the graphing feature on weatherspark.com
[19:04] <arko> yeah
[19:04] <arko> thats is crazy!
[19:04] <arko> i like the mean and max/mains
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[19:05] <wd8mnv> oops
[19:05] <mfa298> fsphil: for real retro I wouldn't be surprised if there's a C64 emulator for the pi.
[19:05] <ve6ts> probably, i thought i saw some for linuz
[19:05] <ve6ts> linux i mean
[19:07] <mfa298> the only emulation I've done with a pi so far is having it running riscos nativly and then emulate and older riscos machine.
[19:08] <ve6ts> i noticed some of the balloons that were released in around europe had a inverted quarter wave with ground radials, how does this compare with a quartar wave diople for ballooning?
[19:09] <Geoff-G8DHE> http://www.google.co.uk/imgres?imgurl=http://www.dotdust.com/wp-content/uploads/2013/05/kindle-weather-display-640x427.jpg&imgrefurl=http://www.dotdust.com/&h=427&w=640&sz=28&tbnid=SuMUwCPE2KGkRM:&tbnh=90&tbnw=135&zoom=1&usg=__LLgt6a32ZPVjsnyCYD5daWiBOTo=&docid=GLgbg7LI8HhAiM&sa=X&ei=QVlxUszbOcG00wXj2ICQBw&sqi=2&ved=0CDIQ9QEwAg
[19:09] <mfa298> the inverted 1/4 waves seem to do pretty well. I'm not sure I've tracked any using a dipole to compare
[19:09] <Geoff-G8DHE> Darn it meant this page http://www.dotdust.com/
[19:09] <Geoff-G8DHE> Kindle as weather display
[19:09] <ve6ts> mfa298 the only downside to the vertical is it is heavier, then a dipole
[19:10] <ve6ts> i've always used dipole
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[19:11] <mfa298> 1/4 wave is easier as it can be supported by the payload. and some of the ones people have used are pretty lightweight.
[19:11] <wd8mnv> that's not bad at all... but i want to plot temp, rel hbumidity, and pressure over tine on the same graph
[19:11] <mfa298> difference in weight is probably into fractions of a gram
[19:11] <ve6ts> mfa298 yes mine are usually just 26 gauge or so wire taped to the box or structure
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[19:13] <mfa298> diplole is going to be harder to mount for 70cms as it would be on the side of the payload so spin might impact signal or would have to be underneath at which point the feeder might impact the pattern (and add weight)
[19:14] <mfa298> sleve dipole could be interesting to try
[19:14] <mfa298> dipole would make sense for HF on a larger balloon
[19:14] <ve6ts> on my 10 meter balloon beacon, the upper 1/4 wave doubled as the line to the balloon
[19:15] <mfa298> for 10m dipole probably makes more sense done like that.
[19:16] <ve6ts> yes that is for sure, other designs would be too heavy
[19:16] <mfa298> most of what's flown here is 70cms (ISM band here) so each 1/4 is only ~16cm long
[19:16] <ve6ts> my micro balloons are either 10 meters or 70cm my large balloons for some reason have always been on 2meters (although 70cm would work fine) http://arawr.ca
[19:17] <mfa298> I'm not sure I'd want to try supporting 2m+ ground plane radials for a HF Balloon.
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[19:17] <ve6ts> mfa298 exactly a bit of a problem
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[19:26] <ramm25> =C GB> B0<?
[19:26] <acidtech> 345?
[19:26] <ramm25> BCB0
[19:26] <acidtech> ?>:0GB> =8G53>
[19:27] <ramm25> :>;;530, BK A @048>A:0=5@0?
[19:27] <acidtech> =50
[19:27] <acidtech> =C 8=>340 ?>G8BK20N 40
[19:27] <acidtech> => @54=>
[19:27] <acidtech> @54:>*
[19:27] <ramm25> O B>65 BC40 @54:> 70E>6C, => A59 @5AC@A =0H5; B0<
[19:28] <acidtech> O =0 vhfdx =0H5;
[19:29] <ramm25> ?@825B 2A5< 703@0=8G=K< :>;;530<!
[19:29] <ramm25> acidtech, 0 A0< >B:C40?
[19:29] <fsphil> mfa298: must try that. I'm sure the Pi is fast enough to emulate it
[19:29] <acidtech> >4>< A ;0B288
[19:29] <acidtech> I0A 2@5<5==> 2 0=3;88
[19:29] <mfa298> youd hope so.
[19:30] <mfa298> this is about as far as my tests with emulation on the pi got. https://www.dropbox.com/s/ylr8u2r5vw2rbw5/2012-11-07%2017.22.21.jpg
[19:31] <mfa298> I ought to have another go sometime - see if I can make it do something more useful
[19:32] Nick change: KipK -> KipK_away
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[19:34] <fsphil> what's that emulating?
[19:34] <mfa298> something around an Acorn A3000 I think
[19:35] <fsphil> ah, a spiritual ancester of the pi
[19:35] <mfa298> the Pi was running the riscos beta so Riscos emulated on RiscOS
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[19:38] <Lunar_Lander> hello
[19:39] <ramm25> acidtech, >, BK =025@=>5 7=0:>< A LoBodnar
[19:39] <ramm25> LeoBodnar
[19:39] <acidtech> ?5@5?8AK20;8AL 40
[19:39] <acidtech> O BCB =5402=>
[19:39] <acidtech> 420 4=O 2A53>
[19:40] <ramm25> 'nj vtcnj vtyztn k.ltq
[19:40] <ramm25> MB> <5AB> <5=O5B ;N459
[19:41] <ramm25> O @0=LH5 1K; =53@><)
[19:41] <acidtech> 0 B5?5@L ?>15;5;?
[19:42] <ramm25> 030))))
[19:49] <x-f> meanwhile B-23 is loosing altitude :/
[19:50] <fsphil> awww
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[19:57] <ramm25> DL1SGP, gretings
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[20:04] <chrisstubbs> fsphil, how are your bird box pi cams doing?
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[20:06] <fsphil> not installed yet. will be doing that this weekend hopefully - the boxes are already being inspected
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[20:08] <chrisstubbs> Oo nice, I picked up a wireless camera and receiver to put in ours but the cameras power supply is dead
[20:13] <bertrik> fsphil: were you working on THOR?
[20:16] <fsphil> bertrik: yea
[20:20] <uu4jlm_Valeryi> A5< ?@825B
[20:21] <fsphil> have it sort of working with the DDS-60 on HF
[20:22] <bertrik> fsphil: cool, I extracted the essential parts from dl-fldigi, but decided I needed to do the varicode stuff more efficiently and stopped there
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[20:22] <fsphil> yea I used a table of uint16_t's rather than strings
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[20:22] <fsphil> easier to put in progmem
[20:23] <bertrik> I don't have hardware to try it on, but I could create a wav I think and see if dl-fldigi can decode it
[20:28] <ramm25> acidtech, 2A5 <>@>7OBAO
[20:29] <acidtech> BK ?0 G><?
[20:29] <ramm25> @CAA:>3>2>@OI85 BCB 5ABL, => <>@>7OBAO
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[20:29] <acidtech> =5 7=0N
[20:29] <ramm25> 0 2>>1I5 O ;>6C ?;8B:C
[20:29] <acidtech> =5 284=> 8E
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[20:33] <ramm25> 40 5ABL
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[20:46] <ramm25> >, E>BL >48= 75<;O:
[20:46] <ramm25> 8 B>B 2KH5;
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[21:01] <ve6ts> based on my monitoring of a litium 3V button battery i have calculated that it looses voltage 5 times faster while exposed to low temp
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[21:14] <ramm25> acidtech, O ?>94C A?0BL, C40G=>9 @K10;:8!
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[21:41] <jcoxon> we
[21:41] <jcoxon> oops
[21:41] <jcoxon> evening all
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[21:43] <auto_launcher> Hello
[21:45] <auto_launcher> Can anyone help me. I want to decode the radiosonde signals . I have a laptop and an icom ic - r20
[21:45] <SpeedEvil> http://toys.usvsth3m.com/daily-mail-or-stormfront/
[21:46] <SpeedEvil> auto_launcher: you mean radiosondes laucpnced by meteorological organizations?
[21:46] <auto_launcher> yes
[21:47] <auto_launcher> The one they launch at 12:00 GMT
[21:47] <auto_launcher> I think its on 403 Mhz
[21:47] <SpeedEvil> I vaguely recall mention of software called sondemonitor
[21:48] <mfa298> there's a few frequncies used around 403mhz which I think depends on launch location
[21:48] <mfa298> and sondemonitor sounds familiar as the software
[21:49] <auto_launcher> Can you do it with dl fldigi??
[21:49] <SpeedEvil> no
[21:50] <Geoff-G8DHE> The software can be trialled from here and isn't to pricy http://www.coaa.co.uk/sondemonitor.htm
[21:50] <Geoff-G8DHE> works OK but some of the steps in the I/F are a little odd till you get used to them.
[21:50] <mfa298> they need some specialist decoding due to how they work. I think the receiving software has do the gps calculations itself
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[21:52] <jcoxon> aprs on balloons is a little dull
[21:52] <jcoxon> looking at B-23
[21:52] <Lunar_Lander> but maybe the only chance to track a RTW flight
[21:52] <jcoxon> Lunar_Lander, perhaps
[21:52] <Lunar_Lander> yea
[21:52] <jcoxon> i think there are better ways to track a RTW
[21:53] <Geoff-G8DHE> If you have a Sirf based GPS unit then you can download the Almanac and/or Ephemeris files from that otherwise you do it later from the relevat sites
[21:53] <auto_launcher> Thank you all
[21:53] <Lunar_Lander> ah
[21:53] <wd8mnv> b-23 coming down?
[21:53] <jcoxon> wd8mnv, looks like it
[21:54] <Geoff-G8DHE> There are quit a few frequencies and often not only at 00/12Z
[21:56] <auto_launcher> Hey one more question. How do I help to track others balloon. I am just starting and would be glad with a few pointers!
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[21:56] <bertrik> the ukhas wiki probably has all the info you need, but I don't know the exact page right now
[21:57] <bertrik> http://ukhas.org.uk/guides:tracking_guide
[21:57] <Geoff-G8DHE> http://ukhas.org.uk/general:beginners_guide_to_high_altitude_ballooning
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[21:58] <mfa298> the tracking guide is a good starting place, and then ask in here when you get stuck
[21:58] <auto_launcher> Thank you. Has there been any recent launches??
[21:58] <mfa298> or if you're near to other trackers you might be able to get local help as well
[21:58] <chrisstubbs> Where abouts are you located auto_launcher?
[21:58] <auto_launcher> Southampton , UK
[21:59] <mfa298> auto_launcher: that's a good location, there are a few of us around in Southampton
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[22:00] <auto_launcher> Nice
[22:01] <Geoff-G8DHE> Also good for Sondes as well they launch from Camborne, Larkhill, Reading and Herstmonceux all along the Coast!
[22:02] <mfa298> its also a good location for ads-b (Planes) and AIS (Shipping)
[22:02] <bertrik> auto_launcher: what kind of receiver do you have?
[22:03] <auto_launcher> icom ic r20
[22:03] <auto_launcher> I have downloaded dl fldigi
[22:04] <auto_launcher> have to get to grips with it though
[22:04] <mfa298> are you at the Uni and/or a licensed ham?
[22:04] <auto_launcher> Unfortunately not
[22:04] <auto_launcher> I mean not a licensed ham
[22:04] <auto_launcher> but I am at uni
[22:04] <bertrik> oh cool, I think it supports SSB too
[22:05] <auto_launcher> ic r20??
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[22:05] <mfa298> you might want to make contact with craag and/or mattbrejza as there are a couple of Uni clubs that might be of interest
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[22:07] <craag> auto_launcher: Are you at southampton uni?
[22:07] <auto_launcher> yeah
[22:07] <craag> :)
[22:07] <craag> me too
[22:08] <cm13g09> auto_launcher, craag interact :P
[22:08] <auto_launcher> Nice
[22:08] <auto_launcher> U a licensed ham??
[22:08] <cm13g09> it will be useful!
[22:08] Action: cm13g09 waves from Essex
[22:09] <craag> auto_launcher: Yep, I'm part of the Wireless Society
[22:09] <craag> basically a ham radio club
[22:09] <mfa298> he's also an instructor for the amateur radio license
[22:09] <auto_launcher> Hey when do you guys meet??
[22:09] <craag> and also Spaceflight Society, that does HABs!
[22:09] <auto_launcher> Need to get to one of the events
[22:09] <craag> auto_launcher: Tomorrow evening 6pm for the ham radio.
[22:10] <auto_launcher> which building??
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[22:10] <craag> We'll be doing some Foundation License practicals for people then
[22:10] <craag> auto_launcher: Zepler
[22:10] <auto_launcher> ahh Don't have access :(
[22:11] <craag> The CLS in there, so opposite the vending machines next to reception
[22:11] <auto_launcher> CLS??
[22:11] <craag> np, turn up outside and ping me on here or wave through the window
[22:11] <cm13g09> auto_launcher: knock on the window :P
[22:11] <auto_launcher> cool
[22:11] <craag> Common Learning Space... horrible name for a room
[22:11] <craag> used to be Seminar Rm 1
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[22:12] <auto_launcher> hey when do you broadcast?
[22:12] <craag> auto_launcher: SO yeah, 6pm-8pm in there, then we head down to the Crown for dinner after
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[22:13] <craag> Erm we arrange operating now and again, uni doesn't give us any permanent space so it's all done with camping tables and chairs out on the grass.
[22:13] <craag> We sometimes go out to the new forest where the HF noise floor is a lot lower.
[22:14] <auto_launcher> No worries. Do you guys meet every Thursday??
[22:14] <craag> It's ham radio btw, not a radio broadcast station.
[22:14] <craag> yep
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[22:15] <mfa298> For broadcast radio you want Radio Heffalump / Radio Glen / SURGE (showing my age)
[22:15] <auto_launcher> Sorry. Just starting.
[22:16] <craag> So it is ham radio you're after, or broadcast?
[22:16] <mfa298> amateur radio is a lot more fun though - especially if you want to play with equipment.
[22:16] <Lunar_Lander> or capacitors
[22:16] <Lunar_Lander> XD
[22:17] <auto_launcher> HAB but i am interested in radio comm. as well.
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[22:18] <mfa298> that's the amateur radio side (broadcast radio is the likes of JackFM/ Radio1/ Wave)
[22:18] <Lunar_Lander> btw, the capacitor thing
[22:18] <craag> auto_launcher: We do some playing around with hab receiving.
[22:18] <Lunar_Lander> I heard of a guy who said something along "I'd really wish I'd have a capacitor"
[22:18] <Lunar_Lander> "why?"
[22:19] <craag> auto_launcher: btw #g3kmi on irc.zepler.net for Ham Radio Club IRC
[22:19] <Lunar_Lander> "I suppose they are expensive as they are difficult to make, right?"
[22:19] <Lunar_Lander> real guy
[22:19] <Lunar_Lander> xD
[22:19] <craag> auto_launcher: and #susf on freenode for Spaceflight Society (launching HABs)
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[22:20] <mfa298> there's even photos of the Uni club (with some ex Uni people) receiving habs in the New forest http://photos.suws.org.uk/index.php?album=outings/new-forest-26th-may-2013/
[22:20] <mfa298> with interst from "the locals"
[22:21] Action: craag afk
[22:22] <auto_launcher> Cool
[22:25] <auto_launcher> and thank you very much guys.
[22:25] <cm13g09> mfa298: I forgot about the equine attention we received :P
[22:26] <mfa298> and you in particular based on the photos :D
[22:26] <cm13g09> yeah... lol
[22:27] <mfa298> auto_launcher: if you look at those photos I think on that occasion we tracked a ballon, recieved some images from a weather satellite and did some radio operating on HF.
[22:27] <mfa298> can't remember who we talked to though (or if we managed many contacts)
[22:28] <cm13g09> lol
[22:28] <cm13g09> seem to recall we failed on the contacts front
[22:29] <mfa298> I think that was when we had some issues with the HF antenna - although we might have managed a few contacts
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[22:35] <Reb-SM3ULC> B-22 hit by rain or something?
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[22:55] <fsphil> aurora visible apparantly
[22:55] <fsphil> gonna take a look
[22:56] <Reb-SM3ULC> sorry.. meant B-23/moxer-2
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[23:00] <fsphil> it's definitly very cold outside :)
[23:00] <Lunar_Lander> yea
[23:00] <fsphil> no sign of an aurora though
[23:01] <fsphil> the horizon is bright but could just be light pollution
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[23:01] <SpeedEvil> protip
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[23:02] <SpeedEvil> eyepatch for 20 mins.
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[23:11] <fsphil> won't help against street lights :)
[23:12] <SpeedEvil> it will if you do a Nelson.
[23:13] <SpeedEvil> 'I see no streetlights'
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[23:27] Nick change: heathkid|2 -> heathkid
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[00:00] --- Thu Oct 31 2013