highaltitude.log.20141020

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[01:05] <SpacenearUS> New vehicle on the map: 03artiys_chase - 12http://habhub.org/mt/?focus=artiys_chase
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[03:35] <SpacenearUS> New position from 03B-64 after 0311 hours silence - 12http://habhub.org/mt/?focus=B-64
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[04:13] <arko> zipping along
[04:13] <arko> wow
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[04:13] <arko> !hysplit B-64
[04:13] <SpacenearUS> 03arko: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141019-22_124804_B64.gif
[04:15] <englishman> wow, that thing sure gets around
[04:15] <englishman> i guess comms start up again as sun hits it?
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[04:36] <lz1dev> !hysplit run b-64
[04:36] <SpacenearUS> 03lz1dev: Your job has been added to the queue. Check in a few minutes
[04:39] <lz1dev> seems like its gonna fly over syria and iraq
[04:39] <lz1dev> risky
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[04:59] <Maxell> !hysplit B-64
[04:59] <SpacenearUS> 03Maxell: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141020-04_129708_B64.gif
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[06:41] <ike> http://hackaday.com/2014/10/19/high-altitude-balloon-keeps-going/
[06:41] <ike> nice
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[06:44] <lz1dev> hackaday front page
[06:44] <lz1dev> i wonder how many hits the tracker is getting
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[06:44] <UpuWork> is it linked ?
[06:45] <lz1dev> yeh
[06:45] <ike> mara lz
[06:45] <lz1dev> but i guess the post is new
[06:45] <UpuWork> I'll check
[06:45] <lz1dev> site says 19th
[06:46] <ike> 19 last 48h on earth
[06:46] <UpuWork> currently 6 people on the site
[06:46] <lz1dev> 23 ppl on mt atm
[06:46] <lz1dev> mt is linked
[06:47] <UpuWork> interesting :)
[06:47] <UpuWork> ah
[06:47] <UpuWork> we should get that one on Analytics
[06:47] <lz1dev> it is
[06:47] <UpuWork> oh ok
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[06:48] <lz1dev> pretty sure the post is fresh from moments ago
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[06:49] <ike> and wait for americans to wake up
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[06:59] <englishman> is it just me or is this channel way slower than it used to be
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[07:01] <UpuWork> depends on the time of the day
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[07:30] <day> i wonder, does anyone here have/ had a cube satelite?
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[07:33] <UpuWork> yeah a few I think
[07:33] <UpuWork> Arko played round with one
[07:33] <UpuWork> Stuart has one in orbit
[07:33] <fsphil> B-64 going into a little loop over the middle-east from the looks of it
[07:34] <x-f> PA3WEG Wouter worked on a few from Delft University, iirc
[07:35] <x-f> (worked as prepared for launch not HAM-worked)
[07:36] <fsphil> I held a replica cubesat :)
[07:39] <englishman> anyone got some info on how to start up an aprs to internet transponder?
[07:40] <LeoBodnar> my replica held a real satellite
[07:40] <LeoBodnar> englishman: get DireWolf
[07:40] <fsphil> you launched a satelliteish
[07:40] <englishman> LeoBodnar: b-64 is amazing
[07:41] <fsphil> in a low orbitish
[07:42] <englishman> 7th circumnavigation. wow.
[07:43] <edmoore> yes wouter is part of isis, they've done many a cubesat
[07:43] <edmoore> graham (that doesn't narrow it down on a ham channel) has done the funcubes
[07:44] <fsphil> isis? oh dear
[07:44] <cm13g09> edmoore: Valid point - There are a lot of Grahams/Graemes around....
[07:44] <edmoore> it's the default name for a ham
[07:45] <englishman> isis has mig-23 which is cute and hilarious
[07:45] <cm13g09> edmoore: I think you're right.....
[07:45] <x-f> another ISIS :)
[07:45] <fsphil> "ISIS is hiring! Interested in a career at ISIS? First check out our careers page here." hehe
[07:45] <cm13g09> hehehe
[07:46] <edmoore> yes it must be annoying when an evil group comes along with the same name as your company
[07:46] <fsphil> unfortunate when a prefectly good name gets ruined by some idiots
[07:46] <cm13g09> I deal with IS-IS - I work in networks..... some of our routing is based on IS-IS metrics.....
[07:46] <edmoore> imagine if in 2000 you ran a service for managing full trash cans called Bin Laden
[07:46] <edmoore> gotta suck
[07:47] <cm13g09> edmoore: Great name for a company.... in the original sense it was intended.... but now would suck
[07:47] <cm13g09> that said
[07:47] <cm13g09> on my way to work this morning I saw a cracking company name....
[07:47] <edmoore> i'm yet to be on my way to work
[07:47] <cm13g09> Company called "Thunderbolts". Their tagline: "Fasteners in a flash"
[07:48] <fsphil> oh dear
[07:48] <cm13g09> yeah
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[07:48] <cm13g09> it is bad, isn't it....
[07:48] <cm13g09> I believe they offer fast, free delivery as well...
[07:49] <fsphil> shocking
[07:49] <cm13g09> yeah
[07:49] <cm13g09> (AHEM)
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[07:51] <day> i guess a tracker is not possible in a cubesat due to the speed?
[07:52] <fsphil> not with consumer gps modules
[07:52] <day> are you implying others are available for private persons?
[07:52] <day> to*
[07:53] <edmoore> sure
[07:53] <lz1dev> almost certainly
[07:53] <fsphil> yea
[07:53] <day> o0
[07:53] <edmoore> just the gps modules produced by the thousands for mobile phones and so on will not work
[07:53] <day> i thought its a military restriction
[07:53] <edmoore> but if you want to spend some proper money and sign lots of paperworj, you can get yourself a sapce-rated gps
[07:53] <day> i see
[07:54] <day> i wonder are there any hackign projects related to this lock?
[07:54] <edmoore> or you can make your own gps and not have to do any of that
[07:54] <fsphil> or make your own
[07:54] <day> its not like the hardware is gimped
[07:54] <edmoore> well it is arguable that there are some scenarious where the hardware might be gimped
[07:55] <fsphil> dont know if anyone's managed to read of a ublox firmware and reflash it, that could be useful
[07:55] <edmoore> e.g. the doppler space in which you search for signs assums you are basically static relative to the sattelites
[07:55] <edmoore> but if you're doing 8km/s in the opposite direction to the sats then you will have a larger doppler space to wade through
[07:55] <murb> edmoore: ah that might explain why my phone rarely works whilst flying, when my handheld garmin does.
[07:56] <goopypanther> your garmin's antenna is probably also much better than your phones when sitting in an aluminum can.
[07:56] <edmoore> murb, maybe, or your phone just has a crappy gps antenna
[07:57] <edmoore> too slow off the mark again
[07:57] <edmoore> i'd have died in the wild west
[07:57] <day> :P
[07:57] <craag> http://i.imgur.com/5aqYpJ7.png
[07:57] <craag> ^^ my phone
[07:58] <goopypanther> I just bounced in here after I saw the hackaday article on moxer
[07:58] <edmoore> it's a good place
[07:59] <edmoore> b-64 keeps on trucking
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[07:59] <day> those who have a cubesat here. What are you doing with it?
[07:59] <goopypanther> My hackerspace did a couple of balloon launches about five years ago and I've been playing with the idea of making another
[08:00] <edmoore> which space?
[08:00] <edmoore> they're good fun
[08:00] <goopypanther> hackerbot labs
[08:00] <edmoore> the pico flights are the thing that's really happened in the last few years
[08:00] <day> pico flights?
[08:00] <edmoore> much smaller payloads and balloons, where it's easier to get a super-pressure
[08:00] <edmoore> and thus maintain an altitude
[08:00] <goopypanther> day: https://fbcdn-sphotos-d-a.akamaihd.net/hphotos-ak-xpf1/t1.0-9/10322754_786028434754011_417711670460327264_n.jpg
[08:01] <edmoore> in this case just above the tropopause where the world is a bit more thermally stable and you're not bothered by weather
[08:01] <edmoore> i need to drive to work, i'll be back in about 30 mins
[08:01] <edmoore> espesh if there's diy gps talk
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[08:02] <goopypanther> I was going to ask why the european balloons were using 434mhz, but I have just read about the ham restriction
[08:03] <gonzo_> the pico flights are also taking advantage of the CAA rules about baloon sizes. Below 2mtrs, you don't have to apply for a NOTAM
[08:04] <craag> that's 2m diameter including balloon and payload, at any point in the flight
[08:04] <gonzo_> so you can chose to launch (in the UK) when you are readY
[08:04] <gonzo_> well prompted
[08:05] <goopypanther> I recall having to bribe the FAA with fruit baskets and chocolate
[08:06] <gonzo_> hehe, if only it were that easy here!
[08:07] <lz1dev> > Lets litter the beaches of the world and all the land too with dead internet balloons.
[08:07] <lz1dev> Will they be fun to hack?
[08:07] <lz1dev> comments on the internet...
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[08:27] <Laurenceb_> 100 days
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[08:32] <LeoBodnar> and 13000m
[08:36] <lz1dev> i assume it's hot around 30 degree altitude
[08:36] <Laurenceb_> heading for air strike area
[08:36] <Laurenceb_> yeah the atmosphere is thicker
[08:37] <lz1dev> i meant latitude
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[08:40] <lz1dev> TIL atmosphere is ticker near the equator
[08:40] <day> theres more lead in the air
[08:41] <day> i heard africa is a local maximum
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[08:53] <edmoore> it is now the time 0BC
[08:53] <edmoore> the final minute before i have coffee
[08:55] <cm13g09> lz1dev: that's a good tpyo...
[08:55] <cm13g09> quite impressive!
[08:58] <lz1dev> looks like it's contagious
[08:59] <day> i will never understand you coffee addicts~
[08:59] <fsphil> nasty stuff
[09:01] <day> i like cold coffee from the supermarket. but warm? buahh
[09:01] <cm13g09> lz1dev: you commenting on my speeling errors :P
[09:01] <lz1dev> well i type quick, whats your excuse?
[09:02] <cm13g09> I did both deliberately ;)
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[09:02] Action: fsphil is just awful at english
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[09:04] <Laurenceb_> B-64 is on hackaday
[09:05] <x-f> it's everywhere! but i got just very few sentences from it yesterday..
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[09:05] <fsphil> https://twitter.com/nivnac/status/524111689399406592/photo/1
[09:06] <Laurenceb_> prediction has it almost reach Kuwait
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[09:19] <Laurenceb_> i just noticed there is a town called Batman in Turkey
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[09:35] <mfa298> you people need to learn to: putt knot yore trussed inn speil chequers.
[09:35] <mfa298> s/speil/spiel/
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[09:38] <Geoff-G8-> Could be an interesting circumnavigation this time from B-64 its far enougth from the pole to meet the FAI rules again.
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[09:43] <cm13g09> mfa298: nicely done
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[10:31] <SpacenearUS> New vehicle on the map: 03EDUPIC5 - 12http://habhub.org/mt/?focus=EDUPIC5
[10:52] <staylo> Has this been posted already? IR footage of Falcon first stage reentry burn https://www.youtube.com/watch?v=_UFjK_CFKgA#t=24
[10:53] <edmoore> no harm in posting it again
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[11:02] <DL7AD> morning
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[11:11] <cm13g09> DL7AD: it's afternoon here ;)
[11:11] <DL7AD> cm13g09: now here too :D
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[11:50] <SpacenearUS> New vehicle on the map: 03BALYOLO - 12http://habhub.org/mt/?focus=BALYOLO
[11:51] <fsphil> well, here we go again
[11:53] <ike> balloons are multiplying like ebola virus
[11:53] <day> most rapture just as quickly
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[12:36] <DL7AD> !hysplit B-64
[12:36] <SpacenearUS> 03DL7AD: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141020-10_139713_B64.gif
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[12:42] <gonzo_> wonder if they are the cause of the spear of infection?
[12:42] <gonzo_> (One of my talking-bollocks-in-pub theories is over the spread of infection, through the air in bubble wrap.)
[12:44] <daveake> One of my customers make that stuff. Want me to ask them? :p
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[12:45] <craag> chris doesn't seem to be having much luck with radio stuff :/
[12:46] <UpuWork> yeah I don't have much patience
[12:46] <UpuWork> I spent 2 hours remoting into his laptop showing him out to use it
[12:46] <UpuWork> which I can't get back
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[12:50] <SpacenearUS> New vehicle on the map: 03manu_chase - 12http://habhub.org/mt/?focus=manu_chase
[12:55] <Laurenceb> Syria
[12:56] <DL7AD> yeah
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[13:14] <SpacenearUS> New vehicle on the map: 03ea1ss-5_chase - 12http://habhub.org/mt/?focus=ea1ss-5_chase
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[13:15] <DL1VV> Hello, did somebody order balloon foil from balloonkits.com in the past weeks? I tried, but there is no order processing, nor email answer.
[13:17] <Laurenceb> pity
[13:17] <Laurenceb> they look interesting
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[13:21] <DL7AD> hi
[13:22] <DL7AD> is JOTA2 still alive?
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[13:26] <LeoBodnar> aadamson probably did
[13:26] <LeoBodnar> he asked all the relevant questions leading to it
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[14:01] <SpeedEvil> Oooh. B64 ticks off Georgia, Syria, Turkey. and looks headed for Lebanon Syria and Iraq, Kuwait and Iran and a lot of stans.
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[14:18] <SpeedEvil> I wonder what the chances of a balloon hitting the edge of the hadley cell are of penetrating it
[14:18] <Laurenceb> yeah i was wondering this
[14:21] <Laurenceb> if B-64 manages another 4 weeks its in serious duration territory
[14:22] <SpeedEvil> :)
[14:22] <Laurenceb> up around the longest flight times from CNES and JAXA
[14:22] <SpeedEvil> Well - it's just hit 100 days
[14:25] <Laurenceb> http://www.lmd.polytechnique.fr/VORCORE/Dworkshop/concordiasi.pdf
[14:25] <Laurenceb> interesting graphs
[14:25] <Laurenceb> - page 5
[14:25] <Laurenceb> forecast is junbk after ~8 days
[14:26] <SpeedEvil> The UK met-office had some nice ones
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[14:28] <SpacenearUS> New vehicle on the map: 03RA4NHY - 12http://habhub.org/mt/?focus=RA4NHY
[14:30] <SpeedEvil> Gah - can't find it
[14:32] <SpeedEvil> Leo should sumbit a proposal to the met office. :)
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[14:35] <SpeedEvil> https://en.wikipedia.org/wiki/Hadley_cell - the top pic. The ascent velocity peaks at 0.06Pa/s. I guess this is a vertical wind speed of at 4Pa/m, only 2cm/s or so
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[14:39] <Geoff-G8-> I don't think any of the B-* tracks have ever got that close to the ascent regions, there allways in the descent areas.
[14:42] <SpeedEvil> Quite.
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[14:52] Nick change: pc1pcl-qrt -> pc1pcl
[14:53] <pc1pcl> hi chris_4x1rf ; any sign of B-64?
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[14:59] <SpeedEvil> It's crossing the lebanon-syria border
[15:00] <SpeedEvil> Crossed now
[15:00] <pc1pcl> 4x1rf ought to be able to hear it.
[15:01] <SpeedEvil> Where is he?
[15:01] <SpeedEvil> Orse
[15:01] <SpeedEvil> she
[15:01] <SpeedEvil> Oh
[15:01] <pc1pcl> Israel..
[15:05] <chris_4x1rf> GA all! Can anyone confirm the B-64 frequency? Guess it's 434.500, right?
[15:05] <pc1pcl> it was that yesterday yes, maybe a little up..
[15:06] <pc1pcl> !dial B-64
[15:06] <SpacenearUS> 03pc1pcl: Latest dials for 03B-64 10(3afe): none
[15:06] <SpacenearUS> New vehicle on the map: 03priyanka _chase - 12http://habhub.org/mt/?focus=priyanka%20_chase
[15:06] <SpeedEvil> chris_4x1rf: good luck!
[15:07] Action: SpeedEvil idly wonders how many radars B64 is on right now.
[15:07] <Geoff-G8DHE> very few I reckon, plastic ballon, and a PCB 1cm by 4cm is all there is to reflect!
[15:07] <chris_4x1rf> pc1pcl: thanks! I have terrible noise on 434.5 so I really hope B-64 is actually a bit higher in frequency by 2-3kHz
[15:08] <Laurenceb> im not sure it will be transmitting
[15:08] <Geoff-G8DHE> Only about 1 to 1.5 KHz yeaterday
[15:08] <pc1pcl> unfortunately in this case it is usually pretty well on frequency. so yes only a little up.
[15:09] <pc1pcl> contestia 64/1000 so there is some error correction, so depending on the kind of qrm might still make something of it.
[15:10] <SpeedEvil> Isn't it not transmitting at all on 434?
[15:10] <chris_4x1rf> Geoff-G8DHE: thanks! Hope to hear it, have dl-fldigi running
[15:10] <SpeedEvil> but only on APRS freqs?
[15:10] <SpeedEvil> If it's outside the UK geofence
[15:11] <SpeedEvil> It's clearly transmitting on APRS, and doing both at the same time seems less likely
[15:11] <pc1pcl> hmm, not sure where the various switchover points are, I know it doesn't do aprs in the uk (no /AA allowed) and in the US I think it uses their aprs frequency.
[15:12] <Geoff-G8DHE> It alternates between APRS on 2m and APRS 70cm with the Contestia on 70cm but never quite sure which options are running at any given time due to the geofencing
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[15:14] <SpeedEvil> Geoff-G8DHE: ah
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[15:22] <gonzo_> and the .eu aprs is a different freq to US
[15:23] <chris_4x1rf> no sign of contestia 64/1000 from B-64, guess I should at least be able to hear something despite the QRM on the frequency
[15:23] <pc1pcl> :(
[15:36] <craag> Try leaving it with rsid switched on for a while, if it detects it then you'll get a <<<< Contestia 64/1000 >>>>> line even if it doesn't decode any data
[15:37] <craag> When it came over I couldn't hear it, but just opened BW to 8KHz and left rsid on and it found it
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[15:39] <fsphil> yea the rsid is usually the first thing I see
[15:39] <fsphil> we need to put telemetry into RSID packets
[15:41] <Geoff-G8DHE> craag, did that work I can't make up my mind if "bandwidth" is the bandwidth of the current selected mode or total received bandwidth ?
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[15:42] <craag> Geoff-G8DHE: erm so the BW on dlfldigi waterfall was 5 KHz
[15:42] <craag> I think it wouldn't go above that
[15:42] <chris_4x1rf> craag: thanks!
[15:43] <Geoff-G8DHE> Humm have to play, I assumed it was the current bandwidth of the mode i.e. x/1000 then only 1Khz would be searched rather than the total Rx bandwidth.
[15:44] <craag> Geoff-G8DHE: It definetely found it well outside of where I had the cursor
[15:44] <craag> up around 3.5KHz iirc
[15:44] <craag> cursor was down at 1
[15:45] <fsphil> there is an option to scan the entire bandwidth for rsid packets
[15:45] <Geoff-G8DHE> OK, in that case brilliant, its just that with contestia selecetd the two cursor's are 1000Hz apart
[15:45] <craag> ^^ yes I had that ticked I think
[15:45] <fsphil> it's not enabled by default
[15:45] <Geoff-G8DHE> Yes fsphil, I do to but wasn't sure which bandwidth was being sampled.
[15:46] <fsphil> I put the auto-retune on with a tight constraint, so the RSID match causes my radio to retune so the signal is always centered on 1500hz
[15:46] <fsphil> it's the entire audio bandwidth
[15:46] <Geoff-G8DHE> likewise but I center on 1Khz and adjust in steps of +/- 20Hz
[15:47] <fsphil> the only flaw is the odd false positive rsid match
[15:47] <fsphil> causes it to tune away from 434.500
[15:47] <Geoff-G8DHE> Oh good in that case I will open up the Rx bandwidth when searching, I normally restrict the bandwidth to just a 100Hz outside of the mode bandwidth to minimise noise.
[15:48] <fsphil> its useful when you don't know where the signal is
[15:48] <fsphil> or it's doing its huge drift thing at sunset
[15:50] <chris_4x1rf> have the RxID enabled here, audio passband is 3.6kHz from the Icom-7000
[15:51] <chris_4x1rf> no more QRM now on 434.5 and also no sign of B-64 so I guess it's transmitting only on APRS now :-(
[15:53] <SpeedEvil> your antenna/radio won't do APRS?
[15:53] <craag> chris_4x1rf: Have you enabled rsid searching entire passband?
[15:53] <craag> http://ukhas.org.uk/_media/guides:dl-fldigi-rsid.jpg?cache=
[15:54] <chris_4x1rf> craag: yes, the frequency is clear now and no sign of it
[15:54] <craag> :(
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[16:00] <Laurenceb> https://www.youtube.com/watch?v=_UFjK_CFKgA
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[16:02] <LeoBodnar> B-64 should be doing contestia now on 434.5
[16:03] <Geoff-G8DHE> LeoBodnar, Is 434.5 always on ?
[16:03] <LeoBodnar> it's off over Americas, Japan, China, UK, France
[16:03] <LeoBodnar> duh
[16:03] <LeoBodnar> ignore that
[16:03] <LeoBodnar> it's off over Americas, Japan, China
[16:04] <Geoff-G8DHE> and then 2m APRS is geofenced ?
[16:04] <Geoff-G8DHE> some one also suggested that APRS 0n 70cm was active ?
[16:05] <LeoBodnar> APRS on 70cm is only over UK and France
[16:05] <Geoff-G8DHE> Ah right
[16:08] <pc1pcl> Maybe this information is worth adding to a wiki somewhere, or the B-64 page..
[16:08] <pc1pcl> On the otherhand, that might jinx it and the thing will stop working just after you spent the effort to update..
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[16:21] <Geoff-G8DHE> Looking at the B-64 telemetry the battery got a decent charge today, being further south then previously seems to be holding up now its on the night! http://aprs.fi/telemetry/a/M0XER-4
[16:22] <mattbrejza> did it power off over russia, so no log?
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[16:27] <Geoff-G8DHE> I presume that's what has been happening
[16:28] <Geoff-G8DHE> We've been missing the log on a lot of the previous loop 3 times and once last night
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[16:28] <Laurenceb> uh oh
[16:28] <Laurenceb> http://www.youtube.com/watch?feature=player_embedded&v=K6RQ9YK2DII
[16:28] <Laurenceb> monroe has been busy
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[16:30] <mattbrejza> we could use hysplit to fill all the gaps
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[16:31] <ChrisMostert> Hey guys. I have a question
[16:31] <Geoff-G8DHE> That's what I've been doing image and kml files here http://360.g8dhe.net/HAB_Flights/2014_Flights/B-64_20140712/index.php?ind=0
[16:31] <Geoff-G8DHE> the fainter thinner lines are the hy-splits
[16:32] <Geoff-G8DHE> brb
[16:32] <craag> ChrisMostert: 42 ;)
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[16:33] <pc1pcl> Hi Chris. I guess you should just ask the question, and see if we have an answer..
[16:33] <ChrisMostert> we are planning on launching a high altitude balloon, and we've got the tracking working. we can send a string with the ntx2b and succesfully decode it using an sdr dongle and a piece of iron.
[16:33] <ChrisMostert> now for the question
[16:33] <ulfr> magic!
[16:33] <pc1pcl> leuk!
[16:34] <ChrisMostert> i am wondering what kind of antenna we would need to be able to track the balloon from a chase car
[16:34] <ChrisMostert> a car antenna wont cut it I presume
[16:34] <pc1pcl> probably a vertical, as you can't keep aiming a yagi.
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[16:36] <ChrisMostert> would we be able to build a suitable antenna ourselves, or would we have to buy one, if so, does anyone know a good antenna that is not too expensive?
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[16:36] <pc1pcl> I've been able to receive ballons with my 'car antenna' on the roof of my house.
[16:37] <ChrisMostert> so if we were to connect the chase car's antenna to the sdr, that would suffice?
[16:39] <pc1pcl> I'd suggest to test it out first though.
[16:39] <ulfr> magnetic mount 1/4 wave or 5/8 wave
[16:40] <pc1pcl> Where are you guys based?
[16:40] <ChrisMostert> Than
[16:40] <ChrisMostert> The netherlands
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[16:40] <ChrisMostert> Thanks a lot for your help by the way, we are completely newbies when it comes to this stuff
[16:41] <pc1pcl> yeah, a little more accurate position ;) if it's neearby you could perhaps borrow some of my stuff for tests.
[16:41] <ChrisMostert> ooh, we are located in Noord-Holland, Heemskerk
[16:42] <pc1pcl> Not that far from The Hague.. Quite a few HAB-enthusiasts around here that would be able to help out I suppose.
[16:43] <ChrisMostert> That would be great!
[16:43] <ChrisMostert> Any way to contact those people besides this irc?
[16:44] <pc1pcl> I guess they'll follow the mailing lists, and they do read here as well, although it seems it's jus tme that's on here at the moment ;)
[16:45] <ChrisMostert> Alright, thanks again
[16:47] Nick change: pc1pcl -> pc1pcl-away
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[16:51] <Lunar_Lander> evening
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[16:51] <ChrisMostert> Hello!
[16:55] <Lunar_Lander> hello Chris, nice to see new people
[16:55] <Maxell> ChrisMostert: I'm from the Hague too, and have done two HABs before
[16:56] <ChrisMostert> Yeah, we have never launched a HAB before (me and two other people)
[16:57] <ChrisMostert> very helpful community here, really nice :)
[16:59] <Lunar_Lander> I was able to receive our HAB with the standard antenna on an Yaesu FT-790R in the car
[17:00] <Maxell> ChrisMostert: For chasing the supplied dvb-t antenna did up signals. For chasing the last few 500 meters altitude a yagi would be nice. We did not have to use ours both times.
[17:00] <Maxell> However they are quite cheap and can save your payload.
[17:02] <ChrisMostert> thanks for the advice, on the payload itself did you use an additional antenna or just the ntx2b module?
[17:02] <Laurenceb> !hysplit B-64
[17:02] <SpacenearUS> 03Laurenceb: HYSPLIT for 03B-64 - 12http://spacenear.us/tracker/hysplit_cache/141020-16_145650_B64.gif
[17:02] <Laurenceb> aw no 7 day
[17:02] <Laurenceb> looks like maybe California
[17:03] <Maxell> hmm, 3 pieces of this antenna: haha http://www.ebay.nl/itm/3-x-70-cm-UHF-Yagi-Richtantenne-Amateurfunk-PMR-BOS-Antenne-/251279930875
[17:03] <Lunar_Lander> we had a l/4 antenna pointing downwards out of the payload, and perpendicular to that four wires of the same length in an X form
[17:03] <Maxell> ChrisMostert: you'll have to construct a 1/4 wave dipole
[17:03] <Maxell> http://ukhas.org.uk/guides:payloadantenna
[17:04] <ChrisMostert> Thanks!
[17:06] <Maxell> np
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[17:19] <Maxell> Silly B-64, you drunk?
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[17:20] <Maxell> Nice DX. For the rest of your life :P 2014-10-20 18:56:07 Givat Ela iGate 144.800Mhz DX: M0XER-4 208.9km 99° 17:16 3223.74N 03726.38E
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[17:25] <Laurenceb> freaking firefox
[17:25] <Laurenceb> always killing my machine
[17:25] <Maxell> firefox <3
[17:25] <Laurenceb> i dont get it
[17:26] <Maxell> What version are you running?
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[17:26] <Laurenceb> its shitting all over ram and dringing the whole system down
[17:26] <Maxell> 36.0a1 (2014-10-20) not killing my machine :D
[17:26] <Laurenceb> *bringing
[17:26] <Laurenceb> i have an older version
[17:27] <Laurenceb> i should upgrade, but something else must be wrong
[17:27] <Laurenceb> it sohuldnt be able to kill my machine
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[17:28] <Laurenceb> rage
[17:29] <Laurenceb> i cant restart it as its remebered the page i was on
[17:29] <Laurenceb> so kills my dekstop instantly
[17:29] <Laurenceb> time to remove it and install chrome
[17:29] <Laurenceb> looking like its trying to use terabytes of ram
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[17:35] <Maxell> Laurenceb: do not go chrome
[17:35] <Maxell> Laurenceb: try it once again it should pop up with about:restoresesstion
[17:35] <Maxell> about:restoresession
[17:35] <Laurenceb> yeah ive removed the page
[17:36] <Maxell> but first check for updates
[17:36] <Laurenceb> looks like its triggered by jpegs over a certain size
[17:36] <Laurenceb> already done
[17:36] <Laurenceb> i suspect it tries to do tons of malloc for jpeg over a certain size
[17:36] <Maxell> That 4Z5SL igate has igates m0xer before...
[17:36] <Laurenceb> and its running out of control
[17:36] <Maxell> I remeber his qrz page
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[17:48] <SpacenearUS> New vehicle on the map: 03Seed1 - 12http://habhub.org/mt/?focus=Seed1
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[17:51] <vincentsan> hello guys, has anyone a good lib to recommend for the RFM95 ?
[17:51] <vincentsan> I'm currently playing with RadioHead but I'm wondering if there are other good ones out there...
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[18:24] <SpacenearUS> New vehicle on the map: 031234567890_chase - 12http://habhub.org/mt/?focus=1234567890_chase
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[19:15] <Mirici> hi, does someone knows any details on the payload hardware of the B-64 balloon?
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[19:17] <Upu> leobodnar.com/balloons/
[19:19] <Mirici> thx, but i cold't find any details on the payload there
[19:19] <Mirici> only one picture
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[19:20] <Upu> there aren't many details
[19:20] <Upu> its a microcontroller, with a GPS module and small radio transmitter
[19:21] <SA6BSS> si4060 transmitter I belive,
[19:21] <Upu> There is a similar but AVR based one here http://ava.upuaut.net/?p=675
[19:21] <SA6BSS> max 6/7 gps
[19:21] <Upu> I don't think Leo has pubished exact specs on his payload
[19:21] <Upu> or code
[19:22] <Mirici> what kind of gps antennas are commen to be lightweight?
[19:22] <SA6BSS> chip antenna or 1/4 wave gps antenna
[19:23] <Upu> http://ava.upuaut.net/store/index.php?route=product/product&path=59_65&product_id=55
[19:24] <Mirici> ok makes sense, but gain is smal compared to a ceramic patch?
[19:26] <Mirici> @SA6BSS 1/4 wave gps means pig tail style?
[19:26] <SA6BSS> just solderd to the pcb
[19:28] <SA6BSS> transmitter chip would be si4460 or 4060
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[19:31] <Mirici> hm 13 dbm, but nice features
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[19:33] <Mirici> thy a lot for your remarks, very interesting
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[19:43] <Upu> yes Mirici gain is low but they get 7+ satellites
[19:43] <Upu> heck you can use a small piece of wire on the ublox
[19:44] <Upu> 45mm
[19:44] <Upu> job jobbed
[19:44] <Rebounder> :)
[19:47] <Upu> a ceramic patch antenna would weigh more than Leo's entire payload
[19:53] <Mirici> i gess up there reception of sattelites is not that hard and an directional antenna isn't very helpful as well. From the pictures it lookes like the B-64 used a 1/4 wave lenth wire
[19:55] <Upu> remember all the normal compromises on the ground are gone
[19:55] <Upu> clear sky view
[19:55] <Upu> no interference
[19:55] <Upu> but they get a lock fine on the ground too
[19:55] <Mirici> Upu therefore i was wondering how to get the gps reception so light. never heard before about using 1/4 wavelenth wire for gps reception
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[19:56] <Upu> I did a test between an older 6M and a "fake" 6M from Dx.com
[19:56] <Upu> http://imgur.com/DsE5Wnm
[19:56] <Upu> the PCb was originally designed for the Sarentel antenna (yes I know my via's aren't tented)
[19:56] <Upu> but didn't have any so just stuck that 45mm piece of wire on there
[19:56] <Upu> in a window
[19:56] <Upu> inside
[19:56] <Upu> http://i.imgur.com/SEn1FiF.jpg
[19:57] <Mirici> hm my gps receiver doas't work with a wire
[19:57] <Upu> get a better one :)
[19:57] <Upu> has to be a specific length
[19:57] <Upu> 45mm 1/4 of 1575
[19:58] <Upu> if anyone is interested the insides of those GPS modules http://i.imgur.com/Z1FeIYG.jpg
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[19:58] <myself> Was the crysal knocked out of place during shield removal, or do you think it was already like that?
[19:59] <Upu> no I had to use a stupid amount of heat
[19:59] <Upu> so it dislodged when I removed the case
[19:59] <myself> ok :) phew
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[19:59] <myself> it's still a stripped-down design, I count 9 fewer components
[19:59] <Mirici> is the a maximum altitude for the Ublox? or only at high speed?
[20:00] <Upu> 50km when in flight mode
[20:00] <Upu> 12km in default
[20:01] <Upu> there are only a few gps modules that work above 18km reliably
[20:01] <myself> re GPS receivers on a wire antenna: yeah, I had a Max-5q lock up on a piece of scrap wire that I guessed on the length. I figured, well, I know how long it needs to be for 2.4GHz, and 1.5GHz is longer than that by a little bit, so, ehh, something like.. *that*. Soldered it on, opened ucenter, and had satellites in seconds. Sitting on my bench in the lab, under a drop ceiling and 2 roofs...
[20:02] <Upu> http://ukhas.org.uk/guides:gps_modules
[20:02] <myself> had a 3d fix sitting on a workbench indoors using a wire antenna, when some modules struggle to get a fix on an amplified tuned patch with clear skyview. Ublox is spooky.
[20:03] <Mirici> where is the problem altitudes above 18km, to many sattelites??
[20:03] <Upu> lots of the modules implement the COCOM limits
[20:03] <Upu> I.e stop working above 18KM or above 500kts
[20:03] <Upu> to stop them being used in a cruise missile
[20:04] <Mirici> a ok, but i read some time ago, its not clear if spped and altitude is "and" or "or"
[20:04] <Upu> Ublox (and some others) interpret this above 18KM AND above 500kts
[20:04] <Mirici> yep
[20:04] <Upu> Lassen iQ work fine some Venus modules
[20:04] <Upu> and the Ublox since 4
[20:04] <Upu> all very proven
[20:05] <Upu> as long as you set the dynamic model correctly
[20:05] <daveake> I remember Lassens
[20:05] <Upu> or then you just get no lock until your balloon comes down below 12km
[20:05] <Upu> and everyone points at you
[20:05] <daveake> Especially the random extra 5-15 minutes to get a lock when you want to launch
[20:05] <Mirici> i have a Venus, that should work i you belief the datasheet, but reception is poor. its not a very reacent one
[20:05] <Upu> Lassens were released in 1996 and are still trying to get a lock to this day
[20:05] <daveake> lol
[20:05] <Mirici> i -> *if
[20:06] <Upu> ublox with a good antenna can get a lock from cold in 30s
[20:06] <Upu> 3D lock
[20:08] <Mirici> my venus neads multiple minutes with a chunky active ceramic patch :/
[20:10] <Upu> http://ava.upuaut.net/store/index.php?route=product/product&path=59_60&product_id=96
[20:10] <LeoBodnar> perhaps they can only download one sat at a time during acquisition
[20:10] <Upu> + a patch
[20:10] <Upu> thats my shop as a disclaimer
[20:10] <LeoBodnar> ublox downloads all at once
[20:11] <myself> and correlates every possibility at once, if I understand their whitepaper correctly
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[22:25] <nats`> http://t.co/eWstinQTwS <= still fun 5 years later
[22:26] <ulfr> wtf!
[22:26] <fsphil> love it
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[22:34] <mattbrejza> oh shit, 2009 was 5 years ago
[22:34] <ulfr> Yes.
[22:35] <ulfr> And 2000 was 14 years ago.
[22:35] <fsphil> scary eh
[22:35] <ulfr> I'm deeply offended by this fact.
[22:39] <nats`> yep it's scary
[22:39] <nats`> I find this link in my bookmark
[22:39] <nats`> and realized it was 9 years ago
[22:40] <nats`> in brief some girlfriends, 3 jobs, 3 cities :p
[22:40] <nats`> 5years
[22:40] <ulfr> hm..
[22:41] <ulfr> My last 5 years, have been work. I think. I can't remember anymore.
[22:41] <ulfr> and tea, and coffee.
[22:41] <mikestir> i'm sure you all know this one => https://www.youtube.com/watch?v=Ts96J7HhO28
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[22:41] <ulfr> D:
[22:41] <ulfr> That's horrible.
[22:43] <nats`> I don't know my eyes and my hear are now bleeding :p
[22:44] <nats`> it's youbolatube :D
[22:44] <ulfr> e-bola
[22:44] <mikestir> still, dl-fldigi should probably say R HAB Loading Error when the CRC is wrong
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[22:46] <mikestir> and the window border should be rendered in yellow and blue stripes
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[23:21] <myself> Aw man. I remember when 2000 was the fuuuuuuuture!
[23:22] <myself> Thanks for rubbing it in, fact-people!
[23:22] <myself> http://xkcd.com/1393/
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[23:25] <ulfr> D:
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[23:57] <Laurenceb_> www.youtube.com/watch?v=2ix-rEnZo6M
[00:00] --- Tue Oct 21 2014