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[01:46] <munty> Congrats to LeoBodnar - B-46 still going strong in Norwegian Sea.
[01:48] <munty> May I ask, where is data being received? No receivers on Bear Island, I suspect, and Norwegian coast is still well below horizon.
[01:55] Nick change: Guest46643 -> nigelvh
[01:58] <ulfr> I think the nearest one is in Soroya?
[01:58] <ulfr> ohwait, it just got on aprs
[01:59] <ulfr> how cool
[02:10] <ulfr> munty: you can go to aprs.fi and look for the callsign M0XER-6 you'll see it there. :>
[02:22] <g0pai_ian> Maybe the Russian Bears can do a bit of APRS reporting on B-46 in passing Jan Mayen
[02:27] <ulfr> It's way past Jan Mayen, actually.
[02:27] <g0pai_ian> I did notice that Bear Island was a long way to swim . . . tnx
[02:28] <ulfr> hH
[02:28] <ulfr> heh*
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[03:44] <arko> B-46 is off the coast of Norway
[03:44] <arko> headed into sweden or finland
[03:45] <DL7AD> arko: recognized and announcement sent
[03:45] <arko> :)
[03:45] <DL7AD> good morning btw
[03:45] <DL7AD> 5.45am here
[03:45] <arko> good morning
[03:45] <arko> yeah just looked at my world clock
[03:47] <DL7AD> arko: i was lookiing foward to check out if it arrived to send announcements to finish hams because the margin is very low atm
[03:49] <arko> heh
[03:49] <arko> nice
[03:49] <DL7AD> arko: okay good night ;)
[03:49] <arko> night!
[03:49] <DL7AD> will get another 2h sleep
[03:49] <arko> hah
[03:50] <arko> im gonna have another beer and take a crack at this code again
[03:50] <DL7AD> ;)
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[05:37] <Upu> x-f I think B-46 is coming for you
[05:38] <Upu> but its moving pretty quickly
[05:46] <x-f> uh oh
[05:47] <Upu> possibly
[05:47] <Upu> you know how it is with hysplit
[05:48] <craag> So Leo has smashed his arctic circle record
[05:48] <x-f> i'll alert Finns and keep an eye on it
[05:48] <craag> Probably by quite a way - looking forward to seeing the log!
[05:49] <tweetBot> @AnthonyStirk: B-46 back from its tour of Greenland now over Northern Norway/Sweden 434.500Mhz Contestia 8/250 http://t.co/tIOxiEMrZK #amsat #ukhas #hamr
[05:49] <x-f> current prediction puts it quite far in Russia for me - http://ready.arl.noaa.gov/hypubout/193921_trj001.gif
[05:56] <Upu> ah ok
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[06:06] <LeoBodnar> morning
[06:08] <x-f> good morning
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[06:32] <sp2ipt> hi
[06:36] <SA6BSS> Informed the Ham in Sweden that B-46 is already over northern swe. http://www.ham.se/allmant-om-amatorradio/23990-hab-high-air-ballooning-2.html#post81752
[06:37] <LeoBodnar> cool we just need flight doc extending as it has expired overnight
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[06:46] <ibanezmatt13> you know when you're looking at band plans and it may say foundation licencees are limited to say 10W, and some say 10W erp, when do you have to take into account the gain on your antenna?
[06:46] <LeoBodnar> When it says 10W ERP
[06:47] <ibanezmatt13> ok so then does that mean with say a 3dB Yagi, you could only use 5W?
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[06:47] <ibanezmatt13> Whereas if it only says 10W, you could just use 10W and ignore the gain on the antenna
[06:48] <LeoBodnar> yes
[06:48] <ibanezmatt13> cool, thanks
[06:49] <Darkside> huh, your amateur licence has ERP limits?
[06:49] <ibanezmatt13> I believe in some parts yea
[06:49] <LeoBodnar> some bands do
[06:50] <Willdude123> ibanezmatt13: you studying for a foundation license
[06:50] <Willdude123> ?
[06:50] <ibanezmatt13> ja
[06:50] <Willdude123> Ah
[06:51] <Willdude123> Doing intermediate 18th May
[06:51] <ibanezmatt13> Nice, I'm gonna try back to back too
[06:51] <Willdude123> I met another guy my age at the club last night
[06:51] <eroomde> if you're a few db over the limit, wave your ands and talk bout connector losses
[06:51] <LeoBodnar> Not sure if it is relevant but "R" is radiated so take out losses and mismatches
[06:52] <ibanezmatt13> ok :)
[06:52] <ibanezmatt13> Just need to find a decent radio now that's not £££s :P
[06:53] <LeoBodnar> sometimes you don't want to be too clever at tests as they might not factor in extra knowledge
[06:54] <ibanezmatt13> on the practical test?
[06:54] <LeoBodnar> no theory
[06:54] <ibanezmatt13> ok
[06:55] <ibanezmatt13> I'm ready to sit the paper, just need a little experience of using the kit then should be good to go
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[07:08] <Jed_edu> Does anybody know if there is an eagle file for the SI4060
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[07:10] <ibanezmatt13> yeah there's one in Upu's Ava library
[07:10] <ibanezmatt13> you might need to update though
[07:11] <Willdude123> ibanezmatt13: any idea what you're doing for the radio related project?
[07:12] <ibanezmatt13> er, dunno. Isn't that only for the intermediate though?
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[07:13] <ibanezmatt13> I'll start the intermediate book tonight. I had look and it seems to be quite electricity based
[07:14] <Jed_edu> Thx
[07:15] <ibanezmatt13> Found a nice looking Alinco mobile FM transceiver for 144MHz but it's quite high power, lowest is 10W
[07:15] <daveake_> If anyone wants my advanced book I'll send it out FOC
[07:15] <daveake_> Not sure if I know where the other 2 are
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[07:16] <ibanezmatt13> I'll be looking to do that, but only after the intermediate which I'm aiming to get done this summer.
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[07:18] <malgar> that 9A14SB-4 has been really launched or it is just a test?
[07:18] <Willdude123> daveake_: I haven't done my intermediate yet, do I still qualify
[07:19] <mfa298> assuming you can persaude the examiner I suspect your NORB tracker board would cover the radio related project - assuming his eyes are good enough to see the components
[07:19] <ibanezmatt13> haha yes mfa298, It'd be nice if I could do something with them, but we'll see :)
[07:20] <fsphil> I soldered up a kit amplifier. Did the job, though I know have a an amp I don't need
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[07:20] <Jed_edu> Just updated ava lib no Si4060
[07:20] <ibanezmatt13> hmm, one sec
[07:20] <fsphil> know/now
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[07:21] <ibanezmatt13> yea si4464 is there
[07:22] <ibanezmatt13> I have a 4060 on mine and used that part, should be fine
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[07:24] <amell> damn, B-46 made at least 73 deg N. Look fwd to seeing what telemetry backlog says.
[07:25] <UpuWork> ping x-f I logged a feature request for aprsnear-us.py
[07:25] <Jed_edu> Ahh ok
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[07:27] <UpuWork> and another one :)
[07:27] <amell> looks like B-46 may pass directly over moscow. Is LeoBodnar the Mathias Rust of HAB?
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[07:57] <DL7AD> ist there already a new prediction for B-46?
[08:07] <Laurenceb_> nice
[08:07] <Laurenceb_> 75 degrees north
[08:08] <fsphil> surprisingly warm
[08:14] <Hes> Ah, it's coming this way, cool!
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[08:18] <Laurenceb_> http://ready.arl.noaa.gov/hypubout/1155_trj001.gif
[08:24] <malgar> is 9A14SB-4 a real flight or just a test?
[08:25] <Darkside> it was a flight
[08:25] <Darkside> yesterday
[08:33] <malgar> ok
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[08:52] <SM5OCI> B-46 is as impressive as B-45.
[08:52] <SM5OCI> This is "Reverse Arctic Challenge" - crossing the arctic circle from north!
[08:54] <Jed_edu> ping ibanezmatt13
[08:54] <ibanezmatt13> hey
[08:54] <Jed_edu> pm
[08:54] <ibanezmatt13> sure
[08:59] <malgar> really impressive
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[09:55] <danielsaul> UpuWork: ping
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[10:03] <UpuWork> hi danielsaul
[10:12] <danielsaul> Since youre the resident ublox expert, just wondering whether you might have any ideas why this board refuses to get lock. Tried MAX7 and now MAX6. Ive managed to get lock a couple of times but only after hours and only for a short period of time. Electronics all looks to be fine. Antenna seems fine, have just tried puting a 'normal' chip ant on to see if it makes any difference but nada.
[10:13] <danielsaul> Got it connected up to ucenter, can see satellites but all dark blue constantly
[10:13] <UpuWork> is it a board you've designed ?
[10:14] <danielsaul> Yes, so presumably something is dodgy
[10:14] <UpuWork> Eagle ?
[10:14] <danielsaul> Yep
[10:14] <UpuWork> can you send me the eagle files ? I can see if anything obvious
[10:15] <UpuWork> but usually its something either blocking the signal like a large SMA next to the chip
[10:15] <UpuWork> or something causing interference
[10:15] <UpuWork> if its not getting a lock under a clear sky something is up
[10:15] <UpuWork> *stating the obvious
[10:17] <danielsaul> Sent
[10:17] <danielsaul> None of the Iridium stuff on there is soldered on, so nothing to do with that
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[10:18] <danielsaul> I've got to run off for a bit, but thanks
[10:20] <UpuWork> will come back to you
[10:23] <eroomde> like pissing off the side of a ferry
[10:26] <SpeedEvil> you've checked the power supplies are sane?
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[11:23] <malgar> is vertical the polarization for a classical 1/4 wave payload antenna?
[11:30] <mfa298> yes
[11:31] <mfa298> it's the easiest way to get something that radiates in useful directions.
[11:31] Action: Laurenceb had a very silly idea
[11:31] <Laurenceb> SSDV over APRS
[11:32] <mfa298> if you did soething horizontal it would probably be a dipole which would have lots of fading as the payload rotates
[11:32] <LeoBodnar> * hides
[11:32] <wd8mnv> is B-46 looking for lutefisk?
[11:32] <mfa298> (there are horizontal omni directional antennas but they're not so easy to make)
[11:32] <LeoBodnar> Laurenceb: http://www.usna.edu/Users/aero/bruninga/vision.html
[11:33] <Laurenceb> hah no way
[11:34] <Laurenceb> brilliant stuff
[11:34] <Laurenceb> just need to add an image sensor
[11:42] <fsphil> compression is overrated
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[12:05] <Laurenceb> uh oh
[12:05] <Laurenceb> log processing issues
[12:14] <fsphil> ?
[12:14] <Laurenceb> maybe its my browser
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[12:25] <mfa298> may depend on which map you use as well craag made a change on his map to order the log packets correctly
[12:25] <mfa298> snus isn't loading so I cant see what that does
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[12:45] <x-f> es5nhc, there's a small chance B-46 might get above your horizon later today
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[12:48] <x-f> :|
[12:52] <UpuWork> heh
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[13:06] <Herman-PB0AHX> GA all
[13:09] <Herman-PB0AHX> LeoBodnar: B46 make a world trip very nice
[13:09] <mattbrejza> persumably this is now the most northernly (confirmed) flight?
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[13:11] <Herman-PB0AHX> wat is the longest flight ???
[13:12] <OH7HJ-1> Hi Gents! Hearing now B46 on 70 cm, but software not yet copying it.
[13:12] <Herman-PB0AHX> OH7HJ-1: very nice
[13:12] <mattbrejza> have you manually set to const250/8 (or whatever its called)
[13:12] <mattbrejza> ?
[13:13] <mfa298> alternatively enable rxID and it will pickup the correct mode and lock onto the signal
[13:13] <UpuWork> AMSAT-UK just retweeted about B-46
[13:15] <OH7HJ-1> I used auto-configure for B-46. Need to change it?
[13:16] <mattbrejza> yep, autoconfigure doesnt support const250/8
[13:16] <OH7HJ-1> No trying contestia 8/250, is it correct?
[13:17] <mfa298> turning on rxID (top right) is probably the easiest method to get the right thing for the B-* flights
[13:17] <OH7HJ-1> Yep, softwre reading numbers now.
[13:18] <Herman-PB0AHX> OH7HJ-1: yes u writing noe congrats
[13:19] <mattbrejza> oh thats how you enable it... ive been relying on the accuarcy of the tcxo to automatically pick it up
[13:20] <OH7HJ-1> Oh it is comin online now..! My first decode ever! :))
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[13:21] <ulfr> Nice.
[13:21] <mattbrejza> hmm what % of that part of finland is water :/
[13:21] <OH7HJ-1> Actually, it is still ice... :)
[13:22] <UpuWork> congrats :)
[13:22] <UpuWork> I see you on the recievers
[13:22] <OH7HJ-1> Got an aluminum boat ready for rescue, in need get to weak ices...
[13:23] <eroomde> OH7HJ-1: congrats on the first decode!
[13:23] <eroomde> excellent stuff
[13:23] <tweetBot> @dclavey: High Altitude amateur baloon B-46 now over Norway/Sweden 434.500Mhz http://t.co/rPUeOhzJ24 #amsat #ukhas #hamr http://t.co/uZrFh6UsAA
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[13:24] <OH7HJ-1> Tnx! Nice that you sent one balloon for me too..! :)
[13:24] <tweetBot> @AMSAT_UK: 7-Day Arctic Tour for Radio Amateurs B-46 Pico Balloon http://t.co/CTqyafmbsv #amsat #hamradio #hamr #ukhas
[13:25] <OH7HJ-1> The freq is drifting a bit between 434499.93 ... 434499.98 MHz. Cold breezes or doppler?
[13:27] <fsphil> B-46 doing quite a few firsts
[13:29] <mfa298> I'm starting to wonder if it's going to head west again.
[13:29] <mfa298> I wouldn't be that surprised if it did another pass of silverstone it seems to be that sort of flight
[13:34] <Reb-SM3ULC> wow, b46.
[13:36] <Reb-SM3ULC> any newly made preds for b46?
[13:38] <OH7HJ-1> Its M0XER-6 shows up on APRS fine, too. I am alarming people on 2 m repeater.
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[13:41] <OH7HJ-1> There are hams introducing hobby in 'Scifest' happening to youngsters, so this high bypass over Joensuu occurs in a very good time for kids interested in sciences..!
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[13:42] <Willdude123> Hello
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[13:45] <SM5OCI> I made a prediction one hour ago - seems it will continue southeeast, roughly following the south Russia border.
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[13:51] <Reb-SM3ULC> SM5OCI: okidoki, no chance of passing swe then
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[13:52] <SM5OCI> Reb-SM3ULC: Seems unlikely, but I have not checked the stability of the prediction.
[13:53] <Reb-SM3ULC> LeoBodnar: why the "sudden" success with the lats ones? better stability in the material?
[13:53] <x-f> round and round and round B-46 goes and were it'll head HYSPLIT doesn't really know
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[14:01] <SM5OCI> B-46 is currently heading directly towards Moscow. with the current speed it will be there in about 24h.
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[14:05] <SA6BSS> And by then it will be record holder in flighttime duration :)
[14:05] <x-f> i think it will be there in less than 10 hours
[14:05] <x-f> the current record is 8 days or something?
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[14:15] <ulfr> :D
[14:16] <OH7HJ> Freq now 434499.87 MHz. I added a screenshot about my B-46 70 cm reception to thread: http://www.oh7ab.fi/foorumi/viewtopic.php?f=16&t=239&p=1338#p1338
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[14:22] <OH7HJ> Got alarm about the B-46 on our 'VARVE' packet radio network, tnx OH5ZN!
[14:31] <jiffe98> 434499.87 MHz ? :)
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[14:41] <OH7HJ> Sri kHz. Now 434499.84 kHz. Drifting a little.
[14:43] <ulfr> cool
[14:46] <OH7HJ> We are now discussing about the B-46 on packet, local repeater on 40 m bands...
[14:47] <OH7HJ> OH7QK relaying B-46 discussion form 7060 kHz :)
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[14:54] <OH7HJ> Ouch, the B-46 is lost... it crossed border to east... ;(
[14:54] <ulfr> :(
[14:54] <ulfr> Farewell little balloon.
[14:56] <OH7HJ> Leo, please hit the 'Bailout' key now..! ;(
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[14:57] <ulfr> You want to drop it on Putin?
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[14:58] <OH2GSY> I am currently receiving B-46. Why does it send data twice?
[14:58] <eroomde> it's getting a little old
[14:58] <eroomde> brain starts to go
[14:58] <OH7HJ> It is a special arrangement for my bad hearing ;)
[15:00] <ulfr> on UHF or VHF?
[15:00] <ulfr> I think it sends a backlog as well.
[15:00] <ulfr> or it does, not sure what magic is involved there.
[15:02] <OH2GSY> on UHF. could be a backlog, the data is different in the packages
[15:02] <OH7HJ> People are discussing on repeater if they could see the balloon. They hardly believe that it is an ordinary small foil balloon...
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[15:03] <OH7HJ> Fading from my omnidirectional vertical on 70 cm now.
[15:03] <fsphil> cloudy and dark here when it passed overhead, otherwise I'd have taken a look
[15:05] <mfa298> that's and impressive number of listening stations in Finland
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[15:06] <OH2GSY> sig is getting stronger here at KP30LL
[15:07] <OH2GSY> first time I have ever heard & decoded a balloon
[15:07] <UpuWork> welcome to HAB :)(
[15:07] <x-f> :)
[15:08] <eroomde> )()()()()()()()()
[15:08] <eroomde> that probably evaluates to something in lisp
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[15:14] <WillTablet> Someone the other day asked me how long it'd take to count to a million so I said O(A million)
[15:14] <OH7HJ> I am recording a series of Spectrum Lab screenshots of its departure, to see how the signal fades periadically.
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[15:16] <g0pai-ian> ibanezmatt13: Always was impressed by the price of Alinco rigs. Nice punchy transmitters on the mobile jobs, but eventually let down badly by the receivers when push came to shove. With a hand held the Chinese beat Alinco to the punch most every time.
[15:17] <OH2GSY> OH7HJ, will you publish the screenshots somewhere?
[15:18] <jiffe98> how are you able to detect the center freq?
[15:19] <g0pai-ian> If you can, then hone your craft with an SDR and external improvements and save for something like a Yaesu FT817 multi mode. Buy cheap, buy twice . . .
[15:19] <g0pai-ian> Centre frequency, with SDR by eye, with regular rx by ear.
[15:19] <OH7HJ> Yep, put already one Fldigi screenshot on http://www.oh7ab.fi/foorumi/viewtopic.php?f=16&t=239&p=1338#p1338
[15:19] <g0pai-ian> Max smoke down your antenna
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[15:20] <OH2GSY> no automatic centre freq detection, I think. I just center the freq visually
[15:20] <OH7HJ> Later more with Spectrum Lab. The balloon is now on the diffraction zones with periodical fading.
[15:20] <jiffe98> OH2GSY: what visual aids are you using?
[15:21] <OH2GSY> the fldigi waterfall
[15:21] <jiffe98> gotcha
[15:21] <OH7HJ> Getting center freq from Fldigi and Rx FT817.
[15:21] <OH2GSY> the blips (if they show) are a good way of locating the center freq
[15:21] <OH7HJ> Now 434499.85 kHz.
[15:21] <g0pai-ian> Ah. add DL-FLDIGI audio frequency to FT817 dial readout
[15:22] <OH7HJ> When the output is centered for 1500 Hz in Fldigi dial.
[15:23] <OH7HJ> Mode is USB, so the actual center freq of course is 1,5 kHz higher.
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[15:28] <ibanezmatt13> That's interesting g0pai-ian, I've been looking at a few good Alincos. But for starting out, the chinese stuff is cheap enough to get used to things
[15:29] <eroomde> i 2nd the idea of sating for an 817
[15:29] <eroomde> saving*
[15:30] <ibanezmatt13> a few people have said the same. I think that's why I should spend no more than £30 on a Baufeng for the time being
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[15:30] <mfa298> or save a bit more and get somethign with a bit more power.
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[15:31] <mfa298> but you can do some good stuff with the 817, a good location and good antenna
[15:31] <eroomde> or build a pa
[15:31] <eroomde> which is easy enough (for HF)
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[15:31] <ibanezmatt13> yea
[15:32] <ibanezmatt13> a cheap handheld fm transceiver at 5w sounds good enough to start with before getting silly with prices :)
[15:33] <ulfr> I have a wouxun kgsomething
[15:33] <ulfr> it's been working fine, and seems to be reasonably waterproof.
[15:33] <ulfr> Too bad it's starting to fail on me after three years of use.
[15:33] <mfa298> if you think those are silly prices don't look at the high end kit. You could buy a car for less!
[15:33] <ulfr> hehe
[15:33] <ibanezmatt13> yep, I've seen! :)
[15:33] <ulfr> I bought a yaesu VX-8GR few weeks ago. Arriving next wednesday.
[15:34] <ulfr> I hope it'll last longer than the chinese one.
[15:34] <GW8RAK> Can recommend one of these for receiving only and with the preamp, could be a good one. http://www.ebay.co.uk/itm/121326007724
[15:35] <ibanezmatt13> I actually have an Alinco scanner which does fine for receiving most modes and most bands, just fancied something to tx. I'll get a nice beefy thing some day in the future :P
[15:39] <OH7HJ> I added a Spectrum Lab screenshot about the B-46 70 cm signal to http://www.oh7ab.fi/foorumi/viewtopic.php?f=16&t=239&p=1338#p1338
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[15:41] <OH7HJ> Now recording its fading signal to Spectrum Lab screen with slow speed.
[15:42] <OH7HJ> I wonder if its freq drift correlates with either its temperature or battery voltage..?
[15:45] <Laurenceb> looks like B-46 might not beat B-45 for duration before it is out of range
[15:46] <Reb-SM3ULC> Laurenceb: define out of range.. :)
[15:46] <Laurenceb> well there is some APRS in siberia
[15:52] <will> The KX3 is £899 from the only UK distributor
[15:52] <will> It is $899 in the US
[15:52] Nick change: will -> Willdude123_
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[15:55] <mfa298> Willdude123_: welcome to the standard currency conversion system for electronics.
[15:56] <mfa298> although also check that you're comparing like to like prices, you may find the UK is inc VAT and the US ex VAT.
[15:57] <Reb-SM3ULC> Laurenceb: mm, not much there
[15:58] <Laurenceb> 1 or 2
[16:01] <Laurenceb> http://www.st.com/web/en/news/n3547
[16:09] <Reb-SM3ULC> back again to long range stuff.. :)
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[16:11] <OH7HJ> We have got also aurora scatter rising on 6 m band at the moment.
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[16:16] <Racer_J> hello :) Are there any schematics or pcb files (eagle) to connect the Ublox and the radiometrix ntx22 to the Raspberry Pi?
[16:16] <mfa298> I'm not sure anyones done anything public but it shouldn't be too hard to do one yourself
[16:17] <Racer_J> Okay, I saw that there are only a few wires to connect (tx, rx)
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[16:18] <mfa298> depending on your skill level you could either go for ublox direct onto a pcb or just use one of the breakouts from hab supplies
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[16:18] <ulfr> the ublox is 3.3V, right?
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[16:19] <Racer_J> Okay, thanks. I made some pcbs myself with eagle, so I think it shouldn't be too hard.
[16:19] <mfa298> yes, as is the pi's logic
[16:19] <ulfr> oh
[16:20] <Racer_J> Is it normal that some people come with their chasing cars to your balloon to find them??
[16:20] <Racer_J> (Other people)
[16:21] <ulfr> Racer_J: there's also a gps shield available for the pi
[16:21] <mfa298> happens sometimes although generally they'll have got in touch with whoevers launching first to check
[16:21] <Racer_J> Okay, thank you.
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[16:22] <mfa298> I've chased a couple of other peoples balloons, one that wasn't being chased by the launcher but came down close to where I was and a couple of others where a couple of us chased for an additional reasons (trying to photograph the balloon) and we were also in touch with the person that launched
[16:23] <mfa298> one on of those the launcher actually came to our tracking site on route to the landing location.
[16:24] <mfa298> It tends to depend on where you're launching (and possibly if it's anything interesting).
[16:24] <Racer_J> Okay :D Here in the datasheet of the ublox 6q, there is a Power supply voltage of 2V ?!? http://www.u-blox.com/images/downloads/Product_Docs/MAX-6_DataSheet_%28GPS.G6-HW-10106%29.pdf
[16:24] <eroomde> Racer_J: i wouldn't rely on other people chasing
[16:24] <eroomde> as a general rule it's just the launchers
[16:25] <mfa298> There have been a couple of cases of passers by recovering payloads as well (not always with good intentions)
[16:25] <eroomde> unless they've specifically organised to have a separate chase team
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[16:33] <Racer_J> Sorry, my browser went down. Why is the ublox max 6q voltage 2V? Isn't it 3,3V? http://www.u-blox.com/images/downloads/Product_Docs/MAX-6_DataSheet_%28GPS.G6-HW-10106%29.pdf
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[16:37] <mfa298> there's a few different modules of ublox. some of them are lower voltage (designed for 1v8 logic)
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[16:44] <OH7HJ> Still occasionally hearing B46 with 70 cm vertical, but very faintly.
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[17:03] <Laurenceb> sun is setting up there
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[17:05] <OH7HJ> Added a slow sweep Spectrum Lab of B-46 70 cm signal bursts fading out: http://www.oh7ab.fi/foorumi/viewtopic.php?f=16&t=239&p=1338#p1338
[17:06] <eroomde> you are good, you may live
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[17:16] <g0pai_ian> I think that there are a few misconceptions held by a few of the new to radio members. When we talk of FT817 etc. we are talking about a practical entry level MULTI MODE rig of good quality.. Opting for an FM only rig is like buying a Fiat Panda and finding that you can neither race it or use it for off road activities - bit of a dissapointment.
[17:18] <g0pai_ian> If you must get an FM rig, then a Chinese hand held is good bangs for bucks. They aren't amateur rigs, but VHF or UFH rigs. The cost is down to scale as every building site in China is likely bristling with the things. We are the beneficiaries however and they seem to be pretty sensitive, but are just FM and good for talk, not suited to data use which needs a multi mode. SAVE UP for the proper buy.
[17:20] <g0pai_ian> </end rant> :) if you are gagging to buy an FM handie rather than spend a lot on a multi mode rig, you know who you are :(
[17:21] <ulfr> Depends on the usage, really.
[17:22] <mfa298> if it's going to be several years worth of saving to get an ft817 vs getting a cheap handy this summer then saving for the ft817 (or better) then it's probably a no brainer.
[17:22] <LazyLeopard> Yeah. No use at all for balloon tracking. ;)
[17:22] <g0pai_ian> Being on the HAB IRC it does suggest that one of the primary aims is likely to be to read DL-FLDIGI
[17:23] <mfa298> in this case he's already got a capable scanner for 70cms ssb and it looking at doing the foundation and intermediate in the near future so wants tx capability.
[17:24] <g0pai_ian> Nothing wrong with an FM handie, but don't walk into it thinking that it will do what it won't. I spent my first ten years with a 2m FM only handie, a small Linear amp and a selection of antennas
[17:24] <LazyLeopard> If you can't save up enough for an 817 or similar, then, for tracking, spend what you have on an SDR dongle and the appropriate habamp instead.
[17:25] <mfa298> g0pai_ian: I started in a similar way only found out about vhf non fm relatively recently - at least those getting into radio from hab know there's other stuff out there!
[17:25] <g0pai_ian> Agreed. I was a telegraphist for a few . . . years.
[17:27] <g0pai_ian> Sometimes it's difficult to know if the enthusiasm for a rig is to get on the air to talk or a misdirected belief and headed for disappointment. It's the latter that we need to prevent. Other than that, it's all FB
[17:28] <g0pai_ian> I have been reading here most everything for the last couple of months and enjoy the tech chat. I still have plenty to learn.
[17:28] <mfa298> whilst this is a hab channel it does often head into the realms of radio as a large proportion of us are licensed and I think the newcomers to AR get advice here as it's opinions from a known group of people not just random nicks in a channel
[17:30] <eroomde> it turns to radio quite a lot
[17:31] <g0pai_ian> There are a few nicks that seem to be young and therefore might easily fail to appreciate the gravity of some of the technical advice. More strength to their elbows though as there is a lot to be picked up in the way of ad hoc tuition in the conversations
[17:31] <mfa298> almost like how AR nets should be (talking technicnal stuff) rather than what really gets talked about on HF nets.
[17:32] <mfa298> (that was following on from Ed's line)
[17:32] <g0pai_ian> eroomde: I keep seeing cars with the piscatorial Christian logo on the back. I always have wished to see one vertically orientated with flames out the bottom - Christian Rocket Scientist !
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[17:32] <eroomde> i suspect such people exist
[17:32] <eroomde> i sit next to one infact
[17:33] <g0pai_ian> AR HF nets talk about antenna and sore joints . . .
[17:33] <g0pai_ian> Yeah, Ed, but he really must re-configure the fish and flames
[17:33] <eroomde> yeah, medical ailments were the most recurring topic of conversation on repeaters around cambridge
[17:34] <g0pai_ian> It would be so hot that it would be really Cool :)
[17:34] <eroomde> gastric bands, piles, back pain
[17:34] <eroomde> it was all lovely
[17:35] <g0pai_ian> On my VHF/UHF skeds we talk about micro controllers, HAB, bees and anything that we can think of to stuff up an hour of mutial vocal entertainment.
[17:35] <eroomde> that sounds a lot better
[17:36] <g0pai_ian> Very passionat about what we become interested about. It can become cyclic though due to lack of numbers.
[17:37] <mfa298> right I think it's time to hit the road, I'll catchup on scrollback a bit later.
[17:38] <gonzo_nb> on hf the only tech talk seems to be what microphone they are trying today
[17:39] <Laurenceb> inception conversation
[17:39] <g0pai_ian> Back to QAP
[17:40] <eroomde> i like electronics talk
[17:40] <eroomde> i really like rocket engine talk but that's less general-interest
[17:41] <Laurenceb> http://catwisdom101.com/wp-content/uploads/2012/10/katkabin-dezrez-hot-pink-autumn-giveaway.jpg
[17:41] <Laurenceb> wut
[17:41] <eroomde> some people obviously care
[17:42] <g0pai_ian> I don't have to fully understand tech chat, rockets, balloons, radio etc. but I glean enough interest to keep me fully interested.
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[17:43] <Laurenceb> http://i.imgur.com/AT8RnSC.jpg
[17:43] <Laurenceb> what are these called?
[17:44] <Laurenceb> isnt there a term for this type of flap thingy?
[17:44] <eroomde> forearm itchers
[17:44] <Laurenceb> lolz
[17:44] <Laurenceb> muh plutonium enrichment centre
[17:45] <g0pai_ian> Glove box ports?
[17:45] <gonzo_nb> the ones for holding teatowels, called 'granny's arseoles'
[17:45] <Laurenceb> might be good enough
[17:45] <Laurenceb> lolz
[17:46] <Laurenceb> but there arent any gloves here
[17:46] <g0pai_ian> You may know more about that than me Gonzo ;)
[17:46] <Laurenceb> i was thinking more of the camera aperture type arrangement
[17:46] <g0pai_ian> Iris
[17:46] <Laurenceb> ah yeah
[17:46] <Laurenceb> thanks
[17:46] <g0pai_ian> She has a grannie's AH too!
[17:47] <g0pai_ian> An Iris typically rotates to change it's effective size.
[17:48] <Laurenceb> "iris type"
[17:50] <g0pai_ian> Question, comment or answer? Answer = Flag Iris
[17:51] <Laurenceb> huh?
[17:52] <Laurenceb> you think its a "flag iris" ?
[17:52] <g0pai_ian> So, what is the thinking about the advantages or more complex data transmissions ie Contessa, being diluted by casual listeners not recognising it and ignoring it, where a RTTY signal might attract their attention?
[17:52] <g0pai_ian> I unfortunately think - nada :)
[17:53] <eroomde> i think we have enough attention now, in general
[17:54] <eroomde> of course that's not to say that we might loose a potential person in siberia
[17:54] <eroomde> but we're not short of hams
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[17:55] <g0pai_ian> OK and the picture seems maybe to be a bi-directional draght free internal cat flap. Why else would they appear to be made of a felt type of material?
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[18:23] <mfa298> reading back slightly, I wonder how many people are listening around on 70cms to hear any data mode especially when they're not in the data mdoes section
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[18:42] <Maxell> mfa298: with sdr this is no problem.
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[18:58] <DL7AD> does someone use quassel?
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[19:03] Nick change: DL7AD_ -> DL7AD
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[19:07] <mikestir> DL7AD: I use quassel
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[19:07] <DL7AD> mikestir: do you know the problem the notification sound does not come everytime....
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[19:08] <mikestir> not sure, I often have the sound down
[19:08] <mikestir> does it maybe only do it if the window doesn't have focus?
[19:09] <DL7AD> mikestir: no thats not the problem. i tried it in different way. sometimes its played back. sometimes not
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[19:09] <DL7AD> and after hours im surprised about LeoBodnar wrote me..... :/
[19:10] <Upu> hmm ?
[19:10] <DL7AD> because there was no sound when he wrote me two hours ago
[19:10] <DL7AD> no notification sound
[19:10] <Upu> oh
[19:10] <DL7AD> sometime it works sometimes not
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[19:11] <mikestir> not sure. focus is the only thing I can think of. There are certainly two configurations in the settings, and sound is only enabled on mine if not focussed
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[19:11] <mikestir> could also be some weird pulseaudio cock up
[19:11] <mikestir> never rule that out
[19:11] <DL7AD> mikestir: no im not using linux
[19:11] <mikestir> oh ok
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[19:12] <DL7AD> now i switched over to mirc to check out how this works...
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[19:12] <DL7AD> new position by b-46
[19:13] <sp2ipt> BitchX baybe! That said I'm running LimeChat ;)
[19:13] <Upu> APRS
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[19:13] <DL7AD> we can get a log point because 6utc hasnt been received
[19:14] <DL7AD> :D
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[19:15] <Upu> heading right for RN3DDW
[19:16] <DL7AD> Upu i told him. but has no good reception in mockba
[19:16] <Upu> APRS will be fine
[19:16] <Upu> it swings round and potentially ends up in Canada / North America in a week
[19:17] <DL7AD> already -43C
[19:24] Nick change: jarod_ -> jarod
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[19:42] <Maxell> yeah what is this log-function? Does it work with APRS?
[19:43] <Upu> Leo is transmitting a log via APRS comments
[19:43] <Upu> and manually recreating the path
[19:43] <Upu> thats how we know where its been
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[19:54] <amell> Impressive progress on B-46 :) It does seem quite likely that it exceeded 75 deg N.
[19:56] <amell> sad that B-45 hasnt been heard from since India - has it yet been officially declared lost?
[19:56] <amell> wondering if these balloons are labelled with Leos email address.
[19:57] <Upu> hell no amell
[19:57] <amell> too much weight added with the ink ;)
[19:57] <Upu> on the declared lost
[19:59] <mfa298> leo's balloons know exactly where they are therefore they cannot be lost.
[20:00] <Maxell> Upu: yeah ive seen the problems with aprs... Most clients can't go back in time :P
[20:01] <Upu> Leo's payloads can
[20:01] <Upu> they are like the Chuck Norris of HAB
[20:02] <Maxell> haha
[20:02] <Maxell> I presume "3/0d:'n?6KPpMKYjCaW)T3>8" is such packet?
[20:02] <Maxell> Dayum that encoding
[20:04] <amell> that encoding is presumably hashed with secret sauce of Leo
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[20:08] <Maxell> Well spacenear map is able to decode :P
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[20:10] <mfa298> I think leo has manually decoded the log packets and uploaded
[20:11] <amell> Wonder what else is in the log packets. Pictures of icebergs and the kremlin possibly...
[20:11] <amell> is there an updated prediction?
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[20:16] <SP9UOB-Tom> evening all
[20:16] <Reb-SM3ULC> ello
[20:17] <sp2ipt> SP9UOB-Tom: nice painting on the payload :D
[20:17] <LeoBodnar> Maxell: in that packet ":m3/" is the timestamp of the current packet contents it is base91 encoding and decodes as 24/04 19:53:47
[20:17] <sp2ipt> SP9UOB-Tom: Tinkywinky style :)
[20:18] <LeoBodnar> and "0d:'n?6KPpMKYjCaW)T3>8" contains one of the LOG points - it decodes as $$B-46,1432,060030,140420,47.5320,-4.0598,7456,9,-7,3.99,0.51*6A08
[20:18] <SP9UOB-Tom> LeoBodnar: how do you sending log, marking LOG in receivers on snus ?
[20:19] <mikestir> nice one LeoBodnar - that's a good claim on the arctic challenge :)
[20:19] <SP9UOB-Tom> LeoBodnar: i see it is sending in APRS ?
[20:19] <LeoBodnar> there is no encryption on any APRS packets, just compressed encoding using base91
[20:20] <LeoBodnar> encryption would be in violation with UK licence terms
[20:20] <LeoBodnar> *of
[20:20] <nats`> international agreement too :)
[20:20] <nats`> HAM are not allowed to TX encrypted stuff unless it's for testing and the key is public
[20:21] <SP9UOB-Tom> LeoBodnar: so aprs importer takes care of log data handling
[20:21] <LeoBodnar> SP9UOB-Tom: I decode the log entries, convert them into $$B-46,....*ABCD packets and upload them via dl-fldigi
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[20:22] <SP9UOB-Tom> LeoBodnar: i see, everything is clear :-) Nice idea.
[20:22] <LeoBodnar> it can be uploaded automatically but at the moment it's not difficult to do manually from time to time
[20:26] <SP9UOB-Tom> LeoBodnar: maybe its time to force habitat to accept unix-timestamp as date/time instead of regular format.
[20:27] <SP9UOB-Tom> its easier to log, takes less bandwidth
[20:31] <LeoBodnar> maybe ask rather than force? lol
[20:31] <SP9UOB-Tom> ;-)
[20:35] <SP9UOB-Tom> maybe I should start with dl-fldigi parser patch. That should be easy
[20:35] <SP9UOB-Tom> and habitat compatible
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[20:44] <Willdude> Has this got anything to do with UKHAS?
[20:44] <Willdude> The irony of that expression hits me. If someone else is on your wavelength
[20:44] <Willdude> Bum
[20:44] <Willdude> http://www.diyspaceexploration.com/category/high-altitude-balloons/
[20:44] <Willdude> Copied wrong thing
[20:49] <Willdude> It'd be awsome to launch a cubesat
[20:49] <Willdude> Just don't have £30k to spare
[20:50] <nats`> Willdude in my opinion with 30k there are many other more itneresting project related to space
[20:51] <Willdude> nats`, like working cubesats!
[20:52] <nats`> nop real radio telescope for example
[20:52] <nats`> advanced radar system etc
[20:52] <nats`> I think cubesat is fun but "limited" in the learning process
[20:52] <Maxell> LeoBodnar: very nice. Stretching the APRS to it's limits.
[20:53] <Maxell> Thats how I like it :P
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[21:06] <SpeedEvil> I dunno - you could get a moderately fun scope in one, with a lot of effort
[21:07] <SpeedEvil> Magnetorquer, ...
[21:07] <amell> oh dear https://www.whatdotheyknow.com/request/preparation_for_the_zombie_apoca_2#incoming-490392
[21:08] Action: SpeedEvil is still awaiting his response on https://www.whatdotheyknow.com/request/time_and_cost_of_licences_under
[21:08] <SpeedEvil> (though I don't expect it to be very useful)
[21:09] <amell> SpeedEvil: this is a good question, more useful than asking about zombie apocalypse plans.
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[21:14] <LeoBodnar> two can be combined
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[21:30] <WillTablet> Ping daveake
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[21:30] <WillTablet> Good timing
[21:30] <SpeedEvil> UK law does not require a licence for a zombie apocalypse.
[21:31] <aadamson> mikestir, a little more info, I managed to get stop current down to less than I can detect on a 4 digit meter. I found a little trick it appears on the Si part to lower it's current. I don't put it in standby, I put it in sleep (so I don't have to reconfigure it each time)
[21:31] <aadamson> mikestir, but the trick is... turn on the 32khz rc timer and hook it to the WUT, but don't enable the interrupt
[21:31] <WillTablet> amell: I asked the house of commons about their biscuit expenditure
[21:31] <aadamson> was funny how I found it, but it dropped the total current by 1mA doing that
[21:32] <mikestir> aadamson: that's what I was planning on doing to wake up the mcu. I put a last minute extra connection in so that the WUT output from the Si can wake the MCU
[21:32] <mikestir> I think that will be lower power than using the low power oscillator in the kinetis
[21:32] <aadamson> aadamson, and I either found a bug or it's not documented how to use the WUT
[21:33] <aadamson> if you configure it for Cal_en so that is calibrated the 32khz, nothing I could do would put it back into sleep after that calibration triggerd
[21:33] <aadamson> even tho it was in sleep before it triggerd
[21:33] <mikestir> do you have to tell it to turn off the main oscillator again?
[21:34] <aadamson> I could force it to go back to spi active, but even with the bit set to go back to sleep it wouldn
[21:34] <aadamson> t
[21:34] <aadamson> mikestir, not that I"m aware there is no reference to do that anywhere
[21:34] <aadamson> if you set the sleep bit, its supposed to go back to sleep, but it doesn't
[21:34] <mikestir> well it'll be a couple of weeks before I have any boards to play with. Need to get parts ordered in the meantime
[21:34] <aadamson> I tried both ways to do the calibration
[21:35] <aadamson> the other thing that is strange is that on way 1 if I tell it 128seconds, it actually does 64
[21:35] <aadamson> same thing come up to calibrate and then stays in READY not sleep :(
[21:36] <aadamson> thats when I found the power saving.
[21:36] <mikestir> I'll keep an eye out for that once I've got some hardware
[21:36] <aadamson> I went to back all those changes out, and when I did, I had 1mA more current then with them in, so I put them all back in and just turned off the calibration for now
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[21:37] <aadamson> I'm not using the WUT trigger, at the moment
[21:37] <aadamson> I'm playing with RTC's
[21:37] <mikestir> I watched a webinar today on the SiLabs cortex range - used to be energy micro
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[21:37] <mikestir> I had looked at them in the past, but they've expanded the range significantly
[21:37] <aadamson> yeah, saw those a few weeks ago
[21:37] <mikestir> there's some really interesting parts. One is very similar to the KL05 but it's about 50p in 1 off
[21:37] <mikestir> and has hardware AES
[21:38] <mikestir> so I can feel a rev B of this tracker coming on :)
[21:38] <aadamson> so I'm at 0.000 on the meter in stop mode, this is the radio, gps, and processor
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[21:38] <aadamson> dPLLL is 1.5ma (not anything I can do about that - better than a vcxo so I"m happy)
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[21:39] <aadamson> I calibrate the LSI for the RTC, that's the current plan anyway
[21:39] <Laurenceb_> using the TCXO?
[21:40] <aadamson> Laurenceb, TCXO?
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[21:40] <aadamson> at the moment I don't have one, a spin on the board will add it for the LO for the DPLL
[21:40] <Laurenceb_> oj
[21:40] <Laurenceb_> i see
[21:40] <Laurenceb_> http://ready.arl.noaa.gov/hypubout/121917_trj001.gif
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[21:40] <aadamson> that is still less current than a VCXO
[21:40] <aadamson> which suprised me those things are PIGS
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[21:48] <amell> Laurenceb_ Siberia eh - we might actually be able to track it this time.
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[21:48] <amell> laurenceb: but try a variety of altitudes not rainfall.
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[21:50] <mikestir> aadamson: sorry, internet fell over
[21:50] <aadamson> yeah, saw you leave...
[21:50] <mikestir> I popped back in on my phone, but there's a reason I have a femto cell (which obviously fell over as well)
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[21:51] <mikestir> there I go
[21:52] <WillTablet> mikestir: did I mention I gave up on the zn414 project? Well indefinitely postponed
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[21:52] <mikestir> WillTablet: you said you'd sacked off the PCB
[21:52] <mikestir> just make it on stripboard
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[21:53] <WillTablet> mikestir: wasn't planning on handing that in as the project
[21:53] <WillTablet> I'm doing the method detailed in the book
[21:53] <mikestir> that's this for? intermediate exam?
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[22:01] <WillTablet> mikestir: yeah
[22:02] <WillTablet> mikestir: do you know if it would work if the battery was dsicharhed about one volt?
[22:02] <WillTablet> *to
[22:02] <WillTablet> I hope that's the problem with it
[22:04] <aadamson> mikestir, I might take one more run up that WUT hill... found some information that may have an effect... I'll let you know if it does.
[22:05] <mikestir> WillTablet: what does the datasheet say?
[22:05] <mikestir> 1.1V
[22:05] <mikestir> so no
[22:05] <mikestir> a single alkaline cell discharged to 1 volt is pretty much completely flat
[22:05] <WillTablet> Oh god I hope that battery was messed up
[22:05] <WillTablet> I think it was about a volt
[22:10] <WillTablet> How long might it take to study for the advanced after the intermediate?
[22:12] <mikestir> Suppose that depends on your ability and how intensive you want to make it
[22:13] <mikestir> have a read of the syllabus
[22:13] <nats`> WillTablet you can grab duracell and energiser datasheet they are very detailed
[22:14] <nats`> http://ww2.duracell.com/en-US/Global-Technical-Content-Library/Product-Data-Sheets.jspx?icn=Prim/PrimNav/Product-Data-Sheets&cc=Primary
[22:14] <nats`> they do discharge curve against constant current and resistor
[22:14] <nats`> we did some test at work and that's fairly precise
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[22:26] <WillTablet> nats`: I'll have a read
[22:26] <WillTablet> I shorted it by accident and it wads probably like that for 3-4 minutes
[22:27] <nats`> on a simple alkaline ?
[22:27] <LeoBodnar> That's what Boeing said too
[22:27] <nats`> :D
[22:27] <nats`> oups I shorted the plane
[22:28] <mikestir> WillTablet: go get another battery and think yourself lucky it wasn't a lipo :)
[22:28] <LeoBodnar> whoever shorted their stock did well on that day
[22:28] <nats`> :D
[22:28] <WillTablet> Oh we have loads
[22:29] <LeoBodnar> nicely punned
[22:30] <LeoBodnar> good night
[22:30] <mfa298> WillTablet: it's probably worth passing the intermediate first before worring about the full, then get the advanced book and try out some sample exam papers and see how you do.
[22:30] <WillTablet> Yeah
[22:31] <WillTablet> Do you ever get it where you wish a component has failed, because it would be awful if it was something else?
[22:31] <mikestir> yes - usually you want that component to be the fuse
[22:32] <WillTablet> After an interesting club meeting, I'm interested in sota
[22:32] <mfa298> depending on the local club, the Full will potentially be down to self study as well rather than being taught like I think you've had for the previous two
[22:32] <WillTablet> Might give it a go
[22:33] <mikestir> WillTablet: go to norfolk and activate some speed humps
[22:34] <mfa298> mikestir: those aren't just summits, they're norfolk mountains
[22:35] <LazyLeopard> WillTablet: Someone give a talk on it?
[22:35] <WillTablet> Yeah
[22:36] <LazyLeopard> Of course, if you're in a good part of the world there are plenty of handy summits to go play radio on topp of...
[22:37] <LazyLeopard> Round here, the nearest is Botley Hill, a "summit" with an almost total lack of redeeming features.
[22:39] <LazyLeopard> No view (except from the car park, and there it's a view of the M25), nothing much to see except a water tank and various radio masts, and nowhere particularly good for putting up a decent antenna.
[22:40] <mikestir> and probably pager transmitters to contend with
[22:41] <LazyLeopard> The masts are NATS ones. Not had too much trouble with contending RF the times I've been there.
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[22:41] <mikestir> ahh. there's a NATS installation near here - they have the tx and rx at separate sites
[22:42] <LazyLeopard> ...but the only reason I've been there more than once is that it's the nearest to me by quite a way.
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[22:46] <LazyLeopard> http://sotamaps.wsstvc.org/index.php?smt=G/SE-005
[22:47] <mikestir> gn all
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[23:14] <Laurenceb_> someone should buy the gerkin and convert it to luxury flats
[23:14] <Laurenceb_> massive profit
[23:15] <SpeedEvil> Or with the massive amounts of windows - a gherkin farm
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[23:41] Nick change: MichaelC3 -> MichaelC
[00:00] --- Fri Apr 25 2014