[00:00] <russss> oh wait, *now* the tracker gives me a predicted landing. 35.3079, -115.892
[00:00] <lz1dev> i'd wait for it to get closer to the ground
[00:01] <lz1dev> before tanking the prediction as anything more than a general direction
[00:01] <russss> yeah, geography might affect the actual landing spot a bit
[00:04] <ejcweb_> Thanks russss
[00:05] <russss> ejcweb_: Kelbaker Road might be your best target vehicle-wise but there is some geography in the way which might shake things up a bit
[00:08] <russss> 35.2396, -115.991 is the latest prediction
[00:09] <russss> and now it updated, coming down quite a lot shorter than that
[00:09] <lz1dev> don't go too much by the predictor, it seems to be overestimating for this one
[00:10] <russss> low level winds could change it a lot
[00:11] <russss> my guess is approx 7.5 miles due southeast of Baker
[00:14] <mattbrejza> whats the altitude at landing? if its significant thatll lead to overestimations
[00:14] <goopypanther> -2m or so?
[00:15] <mattbrejza> oh lol nm then
[00:15] <mattbrejza> i ment ground height
[00:15] <russss> yeah, tracker claims -2m, but there are 500m hills around
[00:15] <mattbrejza> the tracker has no knowledge of the ground height
[00:15] <mattbrejza> *predictor
[00:16] <russss> assuming the summit heights I'm getting off Google Earth are accurate
[00:16] <russss> oh yeah, now we're getting low-level winds affecting it
[00:19] <russss> ejcweb_: 35.1393, -115.946 now, although I suspect it'll go a bit east of that
[00:20] <russss> seems like an easy area to find it in at least
[00:22] <ejcweb_> Thanks. We're approaching there.
[00:23] <ejcweb_> Do we have many APRS listeners?
[00:29] <lz1dev> !whereis w1dow-1
[00:29] <SpacenearUS> 03lz1dev: 03W1DOW-1 is near 03San Bernardino County, CA, USA 10(35.11999,-115.94584) at 03456 meters
[00:30] <lz1dev> ground altitude is 390m
[00:30] <lz1dev> so it should be fairly close to those coords
[00:30] <ejcweb_> Awesome.
[00:30] <lz1dev> hopefull you've choosen some bright red colors to spot it
[00:31] <goopypanther> does the chase vehicle have aprs?
[00:31] <russss> the last listener was AK7V-1 at 00:24 UTC, previous one was KJ6BOI-1 at 00:22
[00:31] <russss> oh wait, I can't sort on aprs.fi
[00:32] <russss> W6SCE-10 at 00:25:17, followed by RODMAN at 00:25:05, followed by the previous two
[00:32] <russss> not bad for the desert
[00:32] <lz1dev> lots of aprs in the us
[00:33] <russss> guess there's not too much else to do out there ;)
[00:33] <russss> just round the corner from Zzyzx, CA https://en.wikipedia.org/wiki/Zzyzx,_California
[00:34] <ejcweb_> Can you confirm the last coords?
[00:35] <russss> !whereis w1dow-1
[00:35] <SpacenearUS> 03russss: 03W1DOW-1 was near 03San Bernardino County, CA, USA 10(35.11999,-115.94584) at 03456 meters about 0310 minutes ago
[00:36] <russss> ejcweb_: ^ (35.11999,-115.94584)
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[04:35] <SpacenearUS> New position from 03JACKAL2 after 0314 hours silence - 12http://tracker.habhub.org/#!qm=All&q=JACKAL2
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[05:26] <ChiHab> Morning guys! We are all setting up, nearly ready! We've just noticed our launch isn't showing on the calendar yet? Many thanks.
[05:32] <garymortimer> Morning, will keep a look out
[05:33] <ChiHab> Thanks sir!
[05:34] Nick change: fl_0|afk -> fl_0
[05:37] <SpacenearUS> New vehicle on the map: 03ChiHAB-Minibus_chase - 12http://tracker.habhub.org/#!qm=All&q=ChiHAB-Minibus_chase
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[06:08] <SpacenearUS> New vehicle on the map: 03ChiHAB - 12http://tracker.habhub.org/#!qm=All&q=ChiHAB
[06:10] <SpacenearUS> New vehicle on the map: 03G-Man_chase - 12http://tracker.habhub.org/#!qm=All&q=G-Man_chase
[06:12] <Geoff-G8DHE> Its on the iCal from last night but Google are very slow updating there calendars
[06:12] <garymortimer> Off to the New Forest for all those chase vehicles ;-)
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[06:32] <garymortimer> somethings in the air
[06:33] <edmoore> are we quoting 'platoon'?
[06:33] <Alchamist> or Phil Collins?
[06:33] <garymortimer> oh blast I dont have any platoon quotes
[06:34] <garymortimer> Never Phil Collins and its perhaps a crime for that to come to mind
[06:35] <garymortimer> thought crime
[06:35] <edmoore> oh chihab is up
[06:35] <edmoore> nice
[06:35] <Geoff-G8DHE-M> Its reversed tones hiwever
[06:35] <garymortimer> Its belting on
[06:36] <edmoore> they need to get a shufty on in the chase car
[06:36] <edmoore> tat's not an easy drive
[06:36] <garymortimer> could here it through southampton websdr but not now
[06:36] <Geoff-G8DHE-M> Nah on the A27/M27 but it will be nusy later on!
[06:37] <edmoore> exactly
[06:37] <edmoore> it's going to jam up over the next half hour
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[06:37] <garymortimer> beg pardon can hera again
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[06:37] <garymortimer> highway will be fine if they get ahead of it
[06:38] <Alchamist> The A27 is /never/ fine ...
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[06:43] <G0WXI_> !dial ChiHAB
[06:43] <SpacenearUS> 03G0WXI_: Latest dials for 03ChiHAB 10(7a10): 03434.648108 MHz
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[06:43] <Geoff-G8DHE-M> Bit short on Helium aas well only 2.8m/s climb
[06:43] <SpacenearUS> New vehicle on the map: 03carll - 12http://tracker.habhub.org/#!qm=All&q=carll
[06:44] <Upu_> blimey thats an early launch
[06:45] <Alchamist> Nah - you just slept in
[06:45] <Geoff-G8DHE-M> Anyone tracking you will need Reverse tones on ;-)
[06:46] <Upu_> lol
[06:46] Nick change: Upu_ -> Upu
[06:46] <edmoore> its path takes it over one of my customers
[06:46] <edmoore> who makes aerostats, as it happens
[06:49] <garymortimer> are they going to launch a second?
[06:50] <garymortimer> If so they will certainly get stuck in traffic ;-)
[06:50] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2015_Flights/ChiHab_20150422/
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[06:52] <Chetic> do callsigns have to be 4 characters?
[06:52] <Chetic> am I breaking NMEA by not using 4 characters?
[06:52] <edmoore> no
[06:52] Last message repeated 1 time(s).
[06:52] <Geoff-G8DHE> No, but less then 10
[06:53] <edmoore> the telemetry string has nothing to do with nmea
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[06:56] <RocketBoy> Arhab NSL-35 153,511.20 ft I was worried for about 10mins - looks like keith got the 3 and 5 transposed
[06:56] <Chetic> it looks exactly like NMEA though
[06:56] <daveake> hah
[06:56] <daveake> no it doesn't
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[06:56] <daveake> just vaguely similar
[06:57] <Chetic> um.. it uses the same CRC, and NMEA allows anything starting with $P, for custom sentences
[06:57] <Chetic> it's extremly similar
[06:57] <edmoore> no it isn't
[06:57] <tweetBot> @G8DHE: ChiHAB is flying West from Chichester 434.648MHz Track: http://t.co/fZwZzocXWt #ukhas #hab
[06:57] <edmoore> stop saying that, it's completely wrong
[06:58] <Chetic> how is it different, besides the callsign field?
[06:58] <edmoore> nmea is a whole standard about how navigation devices communicate, specifying exactly the message structures, valid message headers, the exact payload that must be sent with a header, and so on
[06:58] <edmoore> you're considering this only at one layer of the specification - it's ascii with a header and a checksum and commas
[06:59] <edmoore> that's an extremely narrow way to look at a specification
[06:59] <edmoore> and an incorrect one
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[07:01] <Chetic> right, but where exactly does it break the NMEA sentence-part of the NMEA standard?
[07:01] <edmoore> what is 'it'
[07:02] <Chetic> telemetry sentences
[07:02] <edmoore> and what is the 'nmea sentence-part' of the standard?
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[07:02] <Chetic> the part of the standard that specifies which sentences are allowed
[07:03] <edmoore> right, so a normal telemetry string isn't in the standard
[07:03] <Chetic> "Proprietary Sentences. The standard allows individual manufacturers to define proprietary sentence"
[07:03] <Chetic> formats. These sentences start with "$P", then a 3 letter manufacturer ID, followed by whatever data the
[07:03] <Chetic> manufacturer wishes, following the general format of the standard sentences."
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[07:03] <edmoore> sure, so we don't follow the vendor extension part at all
[07:03] <Chetic> NMEA standard allows proprietary sentences and habhub telemetry sentences basically follow that, except for the callsign field
[07:03] <edmoore> we just put an arbitrary identifier with an arbitrary payload
[07:04] <Chetic> so it breaks the standard, except for the callsign field being 4 characters, by not requiring a fixed amount of fields
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[07:04] <Chetic> I can go with that
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[07:04] <Chetic> but saying it's "completely different" is bogus
[07:05] <edmoore> i didn't
[07:05] <daveake> Just as well that nobody did then
[07:05] <Geoff-G8DHE-M> lol
[07:05] <edmoore> i said 'no it isn't' when you said it was extremely similar
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[07:06] <garymortimer> ladies ladies
[07:06] <Chetic> ok, saying it isn't extremely similar is bogus
[07:06] <edmoore> it isn't.
[07:07] <edmoore> anymore than packing together some bytes with a header and a checksum means i'm sending ethernet
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[07:07] <Chetic> put any valid telemetry sentence next to any valid NMEA sentence and tell me they're not very similar
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[07:08] <edmoore> i explained it to you above, i'll do it one last time and then you've wasted enough time
[07:08] <edmoore> nmea is a whole specification
[07:08] <edmoore> it's not just a payload structure
[07:08] <Chetic> I know, I am obviously not talking about the entire NMEA standard
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[07:09] <edmoore> and that's why i corrected you when you said
[07:09] <edmoore> [07:52] <Chetic> do callsigns have to be 4 characters?
[07:09] <edmoore> [07:52] <Chetic> am I breaking NMEA by not using 4 characters?
[07:09] <ChiHab_> We are up!
[07:09] <edmoore> because it shows some cinfusion
[07:09] <edmoore> confusion*
[07:09] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2015_Flights/ChiHab_20150422/
[07:09] <garymortimer> Yep, we are watching looks good, best of luck with the traffic
[07:10] <Chetic> yeah I assumed the idea was to follow nmea with telemetry sentences
[07:10] <Chetic> but it's good to know I can keep my lovely callsign
[07:10] <ChiHab_> stuck in it now!
[07:10] <edmoore> ok, well, it isn't
[07:10] <edmoore> it's just arbitrary
[07:10] <Chetic> thank you, angry edmoore
[07:10] <Chetic> I do appreciate the learning
[07:10] <edmoore> i wrote the first version of this spec about 7 years ago, it's just a simple and pragmatic thing based on how many thousands of serial devices communicate with ascii
[07:11] <edmoore> ascii strings with a header, a delimiter (like a comma) and a checksum
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[07:12] <Geoff-G8DHE> ChiHAB, you might find it goes further than prediction with the slower climb rate
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[07:13] <edmoore> yeah if the burst height is based on assuming an ascent rate, and 3.2 is lower than intended, i'd be putting exeter in the satnav
[07:13] <garymortimer> I'm decoding in South Africa via the Southampton WebSDR the tech however the strings are formed is amazing hats off to everyone from the UK HAS crowd. You have created an amazing thing.
[07:14] <edmoore> oh i know where i know your name now
[07:14] <edmoore> ardupilot
[07:14] <edmoore> well, the uav scene generally
[07:14] <garymortimer> Well if it falls short of Exeter go visit my parents near Ilminster
[07:14] <edmoore> yes the system has evolved into something pretty cool now
[07:14] <garymortimer> Guilty
[07:14] <edmoore> it just keeps acquiring good new people who ratchet the system up constantly
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[07:15] <garymortimer> well its very cool and in lots of ways reminds me of early days at DIY Drones
[07:17] <edmoore> i think the perception of early days is fractal at all levels
[07:17] <edmoore> i feel like this is the mature phase of habbing and the early days are long-gone
[07:18] <edmoore> dread to think where it might be in 5 years!
[07:19] <garymortimer> I guess it all depends on where you start sorry if I offend! You are right all the folks announcing the start of RPAS make me smile UK started in 2007 and many years before that
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[07:20] <PE2G> !dial 7a10
[07:20] <SpacenearUS> 03PE2G: Latest dials for 03ChiHAB 10(7a10): 03434.648508 MHz, 434.65 MHz, 434.6475 MHz, 434.648451 MHz, 434.648 MHz, 434.64863 MHz, 434.648488 MHz, 434.6478 MHz, 434.648116 MHz
[07:21] <garymortimer> blow me down if the current end point is not near my folks place in Dowlish Wake.... Cider factory there so worth a visit. http://www.perryscider.co.uk/
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[07:21] <fsphil> hah
[07:21] <edmoore> garymortimer, no no offence!
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[07:21] <edmoore> didn't mean it like that
[07:21] <edmoore> i have no horse in the ukhas game anymore really, i'm just here as (grumpy) furniture
[07:22] <edmoore> i haven't flown anything since 2010
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[07:24] <Geoff-G8DHE> A comfy chaise lounge eh ?
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[07:24] <daveake> not the comfy chair!
[07:24] <Alchamist> nobody was expecting that ..
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[07:28] <ChiHAB-Rik> Hi everyone - live from the ChiHAB minibus
[07:28] <fsphil> ahoy
[07:28] <Alchamist> Sounds like a bit of a party ...
[07:28] <ChiHAB-Rik> indeed
[07:28] <Geoff-G8DHE> You'll be overtaken shortly!
[07:29] <ChiHAB-Rik> yeah - southampton traffic didnt help
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[07:30] <garymortimer> should be through it soon
[07:30] <Alchamist> Southampton in general doesn't help ...
[07:31] <garymortimer> The off towards Sandy Balls
[07:31] <garymortimer> then
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[07:31] <garymortimer> The track is going just north at the minute
[07:32] <garymortimer> http://www.sandyballs.co.uk/
[07:32] Action: craag waves at the minibus going by
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[07:33] <ChiHAB-Rik> thanks craag
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[07:33] <ChiHAB-Rik> quickn
[07:33] <ChiHAB-Rik> rest stop
[07:33] <ChiHAB-Rik> at services
[07:37] <amell> wow. drifty
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[07:37] <amell> or is it just my RTL warming up in the morning
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[07:37] <Geoff-G8DHE> No its gone a bit wobbly but probably at lowest temp aaround now
[07:37] <craag> lol, it's not really drifty - you've just been spoilt by modern tcxo goodness amell :)
[07:38] <fsphil> if AFC can keep up, it's fine :)
[07:38] <fsphil> I take it this is a classic .650 NTX2
[07:39] <craag> looks like it - shift reducing as expected.
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[07:41] <Dread> ?
[07:42] <amell> i think it was a bit of both, bit of drift both airside and on my dongle. afc couldnt keep up. seems locked in now, except i cant decode it at all for some reason
[07:42] <ChiHAB-Rik> its an ntx2
[07:42] <daveake> Rv
[07:43] <amell> that was it lol
[07:43] <amell> how did you know that
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[07:43] <daveake> scrollback
[07:44] <daveake> <Geoff-G8DHE-M> Its reversed tones hiwever
[07:44] <ChiHAB-Rik> sorrt
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[07:44] <ChiHAB-Rik> thats my bad
[07:44] <daveake> np gives people something to do :)
[07:44] <fsphil> daveake: you should have said you knew just by the sound
[07:44] <ChiHAB-Rik> its my first time!
[07:44] <daveake> haha fsphil
[07:45] <daveake> I'm not tracking :)
[07:45] <Geoff-G8DHE> ChiHAB-Rik, You gave a hint last night as well!
[07:45] <fsphil> that would just make it even more impressive :)
[07:45] <edmoore> now this is interesting: http://www.nasa.gov/marshall/news/nasa-3-D-prints-first-full-scale-copper-rocket-engine-part.html
[07:45] <daveake> actually ... pre-lock you probably could tell
[07:45] <ChiHAB-Rik> im using two output pins each with a pot on them
[07:45] <fsphil> you could tell if there was a gap in the strings
[07:45] <daveake> It's easy enough to hear all the zeroes pre lock
[07:45] <fsphil> as it should idle on the upper tone
[07:45] <daveake> yes
[07:45] <ChiHAB-Rik> inhave the voltages set the wrong way round
[07:46] <Geoff-G8DHE> Only give away is the lower Mark tone during rest periods
[07:46] <daveake> what's a rest period? :p
[07:46] <fsphil> continous ftw
[07:46] <Geoff-G8DHE> OK intergap telemetry
[07:46] <daveake> I know ... fsphil got my drift
[07:46] <fsphil> I can't spell
[07:47] <Geoff-G8DHE> None f us can lol
[07:47] <daveake> one or 2 trackers have had delays mid-sentence
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[07:47] <ChiHAB-Rik> try touchscreen keyboard in the back of a college minibus
[07:48] <daveake> ^ seems to work
[07:48] <ChiHAB-Rik> :)
[07:48] <daveake> right, this H2 won't deliver itself ... afk
[07:48] <fsphil> hah, you're doing better than I am, and I have a proper keyboard and an office
[07:48] <ChiHAB-Rik> we are currently stationary though
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[07:49] <SpacenearUS> New vehicle on the map: 03G3UEQ_chase - 12http://tracker.habhub.org/#!qm=All&q=G3UEQ_chase
[07:49] <daveake> It's been a while since a chase car was online during a chase
[07:49] <amell> no idea why. its so easy to do
[07:50] <daveake> A few lately haven't bothered with rxing either
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[07:50] <daveake> we might do batc from the car tomorrow
[07:50] <daveake> however dunno what 3G is like in deepest darkest wales
[07:50] <amell> pulled into rownhams services?
[07:50] <amell> thats what i would do
[07:51] <daveake> yeah but you'd run down the hard shoulder for a payload ... :p
[07:51] <amell> oh yeah, thats exactly what they just did
[07:51] <daveake> afk really this time
[07:52] <amell> youre still there&
[07:53] <ChiHAB-Rik> students + mcdonalds = too long at services
[07:53] <Alchamist> Just be thankful there's not a pub there ...
[07:53] <Geoff-G8DHE> and not a Bacon Butty in sight I bet!
[07:54] <amell> landing yeovil? you need to get a shift on
[07:54] <mfa298> Chetic: Not wanting to start the whole debate again (especially during a flight), I think what you might have been looking for is that the UKHas format and NMEA are both forms of CSV records. What you were saying would be similar to me saying that because my car has a windscreen, 4 wheels, an engine and a steering wheel it's a form of Porsche as it's very similar, when in fact they're both forms of car.
[07:55] <Chetic> I wasn't really saying it WAS nmea, mfa298
[07:55] <Chetic> I was more asking what makes it not nmea
[07:55] <amell> its not NMEA because it doesnt start with a standard command.
[07:55] <Chetic> nmea allows proprietary sentences
[07:55] <Chetic> $PABC,bla,bla,*crc
[07:56] <amell> any tips for desoldering and separating a patch antenna?
[07:56] <Geoff-G8DHE> Don't touch the ceramic it will be hot ;-)
[07:56] <ChiHAB-Rik> on the move again
[07:57] <amell> should i try and shatter the old one. or? best way? it is through pin soldered to board
[07:57] <garymortimer> the balloon waited
[07:58] <fsphil> the ukhas string wasn't made my the National Merine Electronics Association
[07:58] <fsphil> done :)
[07:58] <fsphil> ukhas has multiple options for crc too
[07:58] <mfa298> what makes my car not a Porsche - mostly the logo on the back - it's the small things that make a standard. UKHAS format does not fit the NMEA standard. They're only similar because they are both values seperated by commas. In the same way that my car is similar to a Porsche because they are both cars.
[07:58] <Chetic> nmea allows proprietary sentences from third parties
[07:58] <fsphil> the 8-bit crc of gps is not good enough
[07:59] <amell> neither is RTTY
[07:59] <fsphil> um?
[08:00] <fsphil> the first field in nmea is not a callsign either, it's a command
[08:00] <fsphil> and custom stuff must begin with a P
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[08:01] <garymortimer> did you fill up the van at the services?
[08:01] <Chetic> the ukhas format could be very slightly altered to follow nmea
[08:01] <Chetic> $PUKH,callsign,bla,*crc
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[08:02] <fsphil> ukhas needs a least two $$'s
[08:02] <amell> got the old patch off. unbelievable. the pin wasnt even soldered properly. no wonder reception was so bad.
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[08:02] <Chetic> I'm just saying it's close, and following standards is good
[08:02] <gonzo_> or let nmea catch up with us
[08:02] <mfa298> why would we want to. It was not designed to be part of NMEA, there's no reason for it to look like NMEA.
[08:03] <mfa298> Chetic: I'd say it is following a standard: Comma Seperated variables.
[08:03] <fsphil> not that it matters anyway
[08:04] <Chetic> nmea code libraries could be used
[08:04] <Chetic> tiny benefit, probably not worth it
[08:04] <fsphil> nope
[08:04] <fsphil> we might add/change stuff to the format some day
[08:04] <Chetic> I'm just saying what is possible, no need to make a fuss
[08:04] <fsphil> don't want to be limited that way
[08:04] <fsphil> especially with the limited 8-bit crc
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[08:05] <fsphil> this payload is taking its time getting above my horizon
[08:05] <amell> fsphil: excellent reception at 177km here
[08:06] <amell> it pays to live in the fens
[08:06] <mfa298> also parsing NMEA can be hard as the values can not exist. (i.e. the number of people that try and strtok a nmea string and then fail)
[08:06] <garymortimer> Its enjoying Southampton
[08:06] <fsphil> good good. been a while since I've tried to rx a 50 baud payload
[08:06] Action: mfa298 should turn the radio on. It should go from zero to full power soon as it clears the building
[08:07] <amell> payload seems to be drifting south.
[08:07] <amell> craag: have you had any closer payloads?
[08:08] <Geoff-G8DHE-M> I think it was waving at craag!
[08:11] <fsphil> ah there it is, see the signal now
[08:11] <mfa298> wow, there's a lot of noise here stomping all over the signal
[08:11] <fsphil> shift is about 370hz
[08:11] <ChiHAB-Rik> seems to have narowed úp
[08:12] <ChiHAB-Rik> hardnto decoð on bus at present
[08:12] <gonzo_> yep, looks like shift reduced over time. Batt/cold?
[08:12] <fsphil> you can manually change the shift
[08:12] <fsphil> right click on RTTY on the bottom left
[08:12] <amell> why is the bus going in the opposite direction?
[08:12] <ChiHAB-Rik> will have a play
[08:13] <mfa298> signal seems to be fading a bit as well, but that could be as it's overhead
[08:15] <ChiHAB-Rik> phone orientation might explain bus looking backwards
[08:16] <craag> mfa298: Very strong and constant on the websdr
[08:16] <mfa298> craag: I'm suspecting it's that it's close to overhead here so lots of NULLS
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[08:17] <mfa298> also lots of pulsing noise over the top of it so I can hear it but I dont think dl-fldigi will have any chance
[08:17] <amell> its probably my cheap chinese drone telemetry radio
[08:18] <craag> Gotta run to work. Good luck ChiHAB-Rik !
[08:20] <garymortimer> which radio are you using amell?
[08:20] <gonzo_> I've seen similar. a fhss fsk modem, stepping in 25khz chans about 8khz wide
[08:21] <amell> hope TRF
[08:22] <mfa298> this noise almost sounds like a steam train chuffing past, but it's not changing. Getting partials through it though.
[08:22] <ChiHAB-Rik> craag you are a legend
[08:22] <mfa298> now that I can see the signal through the noise
[08:22] <ChiHAB-Rik> thanks again for your help
[08:22] <fsphil> one of the nice things about being fairly remote. not as much noise on 434mhz
[08:23] <garymortimer> Oh ok, which project is it from I have a few of those lying around and wondered if there was anyfirmware for 3DR or OpenLRS around for this
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[08:24] <mfa298> I've been surprised how little noise I usually get here, considering it's a block of flats, in a city with a main road (^H^H^H Car Park) outside
[08:25] <amell> garymortimer: yes, there is SiK firmware, theres another packet firmware too called SMACCM.
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[08:26] edmoore (~ed@ joined #highaltitude.
[08:27] <cm13g09> mfa298: lol
[08:27] <cm13g09> Yes, the Avenue can be a bit of a car park....
[08:28] SQ5KVS (53ee57c3@gateway/web/freenode/ip. joined #highaltitude.
[08:28] <garymortimer> Ohh links please! How do you attach the GPS??
[08:28] <SQ5KVS> ChiiHaaa!
[08:28] <SQ5KVS> Hi all
[08:29] <garymortimer> reading about SMACCM right now
[08:29] <mfa298> cm13g09: luckily less car park like for the way craag should be travelling.
[08:31] <Geoff-G8DHE> Following a 3.5-30Km-5 prediction very well http://360.g8dhe.net/HAB_Flights/2015_Flights/ChiHab_20150422/index.php?ind=8
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[08:35] <tweetBot> @G8DHE: ChiHAB still climbing well Track @ http://t.co/oAQTjXGSaO #ukhas #hab http://t.co/mZlnJTLC4s
[08:37] <amell> any ublox ucenter experts here? ucenter says i have a 3d fix but it isnt listing the sat strengths, what needs to be enabled?
[08:42] <garymortimer> @amell re noise if you are using a 3DR 433 clone via usb there is an issue with noise. The design changed but the clone chaps did'nt
[08:42] Andrew_M0NRD (~M0NRD@82-68-128-150.dsl.in-addr.zen.co.uk) joined #highaltitude.
[08:42] Herman_ (535426fa@gateway/web/freenode/ip. joined #highaltitude.
[08:42] <Herman_> !flights
[08:42] <SpacenearUS> 03Herman_: Current flights: 03Nova 29 10(d0b2), 03Chichester College HAB 2015 10(7a10)
[08:44] <PE2G> Herman_: Morning Herman, I have ChiHAB on 434.649
[08:45] <amell> the spectrum of this 3dr is horrendous
[08:45] <Herman_> pe2g morning yes i hrd him but not writing ??
[08:46] <PE2G> Herman_: Select Rv (reverse)
[08:47] <Herman_> pe2g tnx yes now he is writing
[08:47] <amell> http://i.imgur.com/kqeut7O.png - crazy!
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[08:48] <SQ5KVS> amell: what is that?
[08:48] <amell> a 3DR telemetry radio
[08:48] <amell> from china.
[08:48] <amell> uses hope TRF modules
[08:49] <garymortimer> A clone though?...
[08:49] <Geoff-G8DHE> urst
[08:49] <Geoff-G8DHE> even Burst
[08:49] <amell> theres loads of these in the UK market. yes clones, but the spectrum usage is the same whether its real or a clone.
[08:50] <amell> easily available on ebay for £15 a pair
[08:50] eroomde (~ed@ left irc: Ping timeout: 256 seconds
[08:50] <ed__> heh it burst on cue
[08:50] Nick change: ed__ -> edmoore
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[08:51] <garymortimer> I need to know how you set yours up amell, I am gary (at) suasnews.com if you have some time one day
[08:53] <garymortimer> ChiHAB-Rik are there pics anywhere?
[08:54] <Herman_> PE2G: ga ik je zaterdag nog zien ??
[08:55] <PE2G> Herman_: I don`t thinks so, too much work to do. I`ve got two (2) greens from ChiHAB , BTW, thanks to massive QRM on the freq here
[08:55] <edmoore> get your gun
[08:55] <edmoore> and you direction finder
[08:56] <edmoore> [arnie voice] and your motorcycle
[08:56] <Herman_> PE2G: jammer
[08:56] <PE2G> Herman_: Yeah
[08:56] <gonzo_> sounds more indiana jones, than hab, ed
[08:56] chiHAB-Rik (d5cdc2a6@gateway/web/freenode/ip. joined #highaltitude.
[08:58] <edmoore> well when there's QRM to be terminated
[08:59] <amell> im missing something here. why isnt my GPS returning stats.
[09:00] <SQ5KVS> edmoore: and [arnie voice] "get out!"
[09:01] <edmoore> i like that idea
[09:01] <edmoore> very angry hams of the future send back a robot
[09:01] <edmoore> to destroy powerline ethernet devices and other qrm-ers
[09:01] <Herman_> ChiHAB down for me
[09:01] <Herman_> ChiHAB team mni tnx
[09:02] <edmoore> yagi in one arm, minigun in the other
[09:02] <gonzo_> would it be called "The Termination" ??
[09:03] <SQ5KVS> edmoore: I will vote for You'r idea :D
[09:03] <SQ5KVS> edmoore: So, let's establish "Skynet" :D
[09:03] <edmoore> [arnie voice] You are the wrong impedance. goodbye.
[09:03] <gonzo_> with advanced technology of the future. Like AM top band, and a bad smell
[09:04] <SQ5KVS> a, btw "our" polish balloon from saturday has a 200m LW antenna :D
[09:04] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2015_Flights/ChiHab_20150422/index.php?ind=12
[09:04] <gonzo_> given the state of mych of the skynet system, it's likely to come upo with "talky, the talking toaster"
[09:05] <SQ5KVS> I-ROBOT
[09:05] <SQ5KVS> I-Robot: Shut up!
[09:06] <SQ5KVS> movable cat cuvette
[09:14] <gonzo_> I-MoanyOldMan
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[09:16] <LunarWork> hello
[09:17] <craag> Morning LunarWork
[09:17] <LunarWork> how's life?
[09:17] malclocke (~malc@60-234-172-149.bitstream.orcon.net.nz) joined #highaltitude.
[09:17] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2015_Flights/ChiHab_20150422/ChiHAB_201504220917.jpg
[09:18] <tweetBot> @G8DHE: ChiHAB coming in for landing #ukhas #hab http://t.co/4SPbLMwDv6
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[09:24] Action: amell wonders why the minibus is going down back roads.
[09:24] <amell> whats wrong with the A37
[09:25] <Geoff-G8DHE> Its heading West of the original predictions now
[09:29] <Geoff-G8DHE> Ah its seen Sutton Bingham Reservoir ....
[09:29] <garymortimer> will it get that far?
[09:29] <Geoff-G8DHE> No its dropping much faster now
[09:30] <amell> erm, is there a launch at noon today?
[09:30] <amell> im getting confused. wasnt there two launches from churchill today
[09:31] <Geoff-G8DHE> I've lost tracking now its below 2Km
[09:31] <Geoff-G8DHE> One this afternoon
[09:31] <Geoff-G8DHE> at least
[09:31] <amell> terrain looks good for recovery, but might be a long walk
[09:32] <Geoff-G8DHE> Its going for Pulham
[09:32] <Geoff-G8DHE> http://360.g8dhe.net/HAB_Flights/2015_Flights/ChiHab_20150422/ChiHAB_201504220932.jpg
[09:32] <SpacenearUS> New vehicle on the map: 03JOEY4 - 12http://tracker.habhub.org/#!qm=All&q=JOEY4
[09:33] <DanielRichman> it is but a test
[09:33] <amell> or an attempt to beat ISH
[09:34] <DanielRichman> noone beats ISH
[09:34] <edmoore> but you are going up thisafternoon right DanielRichman?
[09:35] <garymortimer> Halsey Arms then https://plus.google.com/112479798492127036553/about?gl=za&hl=en
[09:35] <amell> lost it? oh dear.
[09:36] <amell> was hoping they would see it land. doesnt look like it.
[09:36] <garymortimer> A review from just this week Food was par excellence in an extremely comfortable setting. A very friendly welcome & great service. No complaints whatsoever!
[09:36] <edmoore> garymortimer, i think you could be ukhas social secretary
[09:36] <garymortimer> They must be close now
[09:36] <edmoore> you seem to have the whole country mapped out by good places to eat and drink
[09:37] <amell> i wonder if they have no 3G signal.
[09:37] <garymortimer> You have to get the priorities right
[09:37] <garymortimer> thats 25 years of balloon driving all over the south of UK for you
[09:38] <garymortimer> and G oogle
[09:39] <DanielRichman> edmoore: correct
[09:40] <edmoore> righty
[09:40] <garymortimer> Hope its not in that slurry pond
[09:40] <DanielRichman> hopefully you will see JOEY on the map again in N hours
[09:40] <DanielRichman> N is likely to be 4 or 5 tbh
[09:40] <amell> this is a significant extension of ISH
[09:42] <DanielRichman> ISH is actually -1 hours from UTC
[09:42] <DanielRichman> thus 3pm :P
[09:42] <DanielRichman> (I think I've got that right)
[09:42] <amell> the launch was slated for 12.30
[09:42] <DanielRichman> 1300
[09:43] <amell> ISH+2 then
[09:43] <DanielRichman> are you sure? e.g. Paris is UTC+2 and it's 11:43 there now
[09:43] <DanielRichman> so 1300 UTC+2 is 1200 local
[09:43] <garymortimer> Gosh the van is pretty far north now
[09:44] <DanielRichman> I think we want UTC-2
[09:44] <DanielRichman> sorry, UTC-1
[09:44] <Geoff-G8DHE> Odd position ? Perhaps their DFing rather looking at the map!
[09:44] <DanielRichman> noting that local is UTC+1
[09:44] <amell> i think theres GPS issues
[09:44] <amell> high HDOP
[09:45] <amell> ah. ground lock on
[09:45] <amell> uh. landed in a farm yard. hope farmer hasnt got it
[09:45] <garymortimer> In the yard bob on
[09:47] <SQ5KVS> the payload is cow resistant?
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[09:59] <Geoff-G8DHE> ChiHAB Movie of flight path http://360.g8dhe.net/HAB_Flights/2015_Flights/ChiHab_20150422/ChiHAB_20150422.html
[09:59] <tweetBot> @G8DHE: ChiHAB #ukhas #hab Movie of virtual flight path http://t.co/OJ71mUbSU9
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[10:04] <SpacenearUS> New vehicle on the map: 03PS-43 - 12http://tracker.habhub.org/#!qm=All&q=PS-43
[10:05] <craag> Another one :)
[10:07] <Alchamist> That minibus can move fast ...
[10:07] <Alchamist> ;)
[10:08] <garymortimer> seems to prefer that wood
[10:09] <gonzo_> lanes around there tend to be a bit rural
[10:09] <gonzo_> grass growing along the centre is not uncommon
[10:09] <gonzo_> (good for brushing the oil off your diff)
[10:14] <garymortimer> They should have it by now
[10:16] <Alchamist> Or the Benny Hill music is currently playing as they are being chased by a farmer, some cows, a sheepdog ....
[10:17] <SQ5KVS> any garden forks?
[10:18] <daveake> just handles
[10:19] <SQ5KVS> https://www.youtube.com/watch?v=JqpH9NmmQPE&feature=player_detailpage#t=49
[10:20] <SQ5KVS> no, https://www.youtube.com/watch?v=JqpH9NmmQPE&feature=player_detailpage#t=47 :)
[10:22] <craag> RocketBoy: I believe Ed's email was tongue-in-cheek ;)
[10:22] <craag> isotropic antennas are.. errr.. *hard*
[10:23] <craag> Whatever antenna they had - it seemed to work well - strong consistent signal on the websdr.
[10:24] <amell> receiving at 180km is good in my book with my setup. so no complaints here
[10:25] <daveake> Yeah, but all that gain on .650 ... someone think of the hams!
[10:26] <mfa298> I thought you were supposed to just wave your hands in the air muttering "it's fine, cable losses"
[10:26] <Alchamist> I have lots of "lossy" cable in my shack ...
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[10:33] <edmoore> RocketBoy, yes i was being flippant
[10:33] <edmoore> the stuart/mike bessant combo bring out the worst in me
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[10:35] <daveake> much noise; little gain
[10:39] Northants (bc1e77bb@gateway/web/freenode/ip. joined #highaltitude.
[10:40] <Alchamist> Sounds like my car
[10:41] <Alchamist> Or the wife ...
[10:41] <Northants> Anyone know if JOEY4 / Nova 29 is a go for today ?
[10:41] DutchMillbt (3e0c143d@gateway/web/freenode/ip. joined #highaltitude.
[10:42] <Geoff-G8DHE> Not heard that its been cancelled at all ?
[10:42] <garymortimer> They were on earlier still happening
[10:43] <Geoff-G8DHE> The Payload is on the map, but release maybe delayed to 15:00 local time I gather.
[10:43] <SpacenearUS> New vehicle on the map: 03EI2KK_chase - 12http://tracker.habhub.org/#!qm=All&q=EI2KK_chase
[10:48] <garymortimer> Chi Minibus has moved guess they have it
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[11:51] Nick change: fl_0 -> fl_0|afk
[11:58] <Geoff-G8DHE-M> !Flights
[11:59] Last message repeated 1 time(s).
[11:59] <SpacenearUS> 03Geoff-G8DHE-M: Current flights: 03Nova 29 10(d0b2), 03Chichester College HAB 2015 10(7a10)
[12:05] Nick change: fl_0|afk -> fl_0
[12:08] <Chetic> I've created a flight document. Hoping to launch this weekend from Sweden
[12:08] <Chetic> who approves these?
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[12:09] <craag> Hi Chetic
[12:09] <Geoff-G8DHE-M> The Admins on#habhub you need to post the Flight Doc ID, with the payload tested
[12:09] <craag> Post the doc id over in #habhub
[12:10] <Chetic> ah
[12:10] <Chetic> haven't tried it outdoors since registering the payload
[12:11] <craag> Have you checked that it appears on the map?
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[12:11] Action: Chetic puts on a jacket
[12:11] <Chetic> will have soon
[12:11] <craag> :)
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[12:15] <SpacenearUS> New vehicle on the map: 03PISKY - 12http://tracker.habhub.org/#!qm=All&q=PISKY
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[12:30] <EI2KK> what is the small circle around balloon on the map?
[12:31] <gonzo_> the 5deg horizon (or was it 10?)
[12:32] <daveake> Nice and sunny in pisky land http://ssdv.habhub.org/PISKY
[12:33] <EI2KK> there are two circles - I thought 5deg is big one..
[12:33] <fsphil> http://piview.sanslogic.co.uk/webcam/image.jpeg
[12:33] <fsphil> rogue cloud!
[12:33] <fsphil> the large circle is the visual horizon, or 0 degrees
[12:33] <LunarWork> ohhhhh
[12:33] <LunarWork> what are the features of the weather station?
[12:34] <daveake> fsphil camera fell over :/
[12:34] <fsphil> aww
[12:34] <fsphil> LunarWork: http://www.piview.org.uk/weather/
[12:34] <LunarWork> thanks :)
[12:34] <daveake> Gonna link that to wunderground or aprs.fi ?
[12:35] <fsphil> huh, good idea. didn't think of either
[12:35] <daveake> :)
[12:35] <LunarWork> is air quality one of those heated gas sensors?
[12:35] <fsphil> yea. though I'm not sure what it's actually measuring
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[12:40] <SpacenearUS> New vehicle on the map: 03ANU-2 - 12http://tracker.habhub.org/#!qm=All&q=ANU-2
[12:43] <edmoore> try scrolling on the graphs
[12:43] <edmoore> michael bay
[12:55] <Chetic> any tips for avoiding drift?
[12:55] <Chetic> it's been working fine for me all morning but now I can't decode a damn thing
[12:59] <Geoff-G8DHE-M> Signal leve in to dl-fldigi, Rv button ?
[13:00] <Chetic> the frequency just never stabilizes. what could the cause be?
[13:01] <Chetic> considering it was no problem earlier
[13:01] <Chetic> the payload is running on battery now, it wasn't before
[13:02] <Geoff-G8DHE-M> The impeadance leves change a lot between PSU and Batteries
[13:02] <Geoff-G8DHE-M> you can get allsorts of oddities, especially if decupling is poor ?
[13:02] <Geoff-G8DHE-M> decoupling even!
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[13:05] <daveake> What fligth computer? What radio? What type / how many cells in the battery?
[13:06] <Northants> Anyone know anything on Joey4 / Nova29 ?
[13:06] <Geoff-G8DHE-M> Launching in the next hour or so I think ?
[13:07] <Geoff-G8DHE-M> !payload joey4
[13:07] <SpacenearUS> 03Geoff-G8DHE-M: Payload 03JOEY4 10(d0b2) 03$$JOEY4 - 03434.63 MHz USB 03RTTY 50/350Hz ASCII-8 none 2
[13:07] <Northants> G8DHE... Thanks for that, will keep eyes / ears open
[13:07] <Chetic> http://i.imgur.com/qfGFLhe.png
[13:08] <Chetic> think I've tried tweaking everything twice
[13:08] <Chetic> freq drift has settled (when I switched to one of the two rtl sdrs and waited a while)
[13:09] <Northants> G8DHE...Site did say from 12 GMT so guess we will have to wait and see
[13:09] <Geoff-G8DHE-M> They delayed think it was a messahe on the board
[13:10] <Geoff-G8DHE-M> Yup https://groups.google.com/d/msg/ukhas/XwUezxwPNVw/EXXUKeOAgCgJ
[13:11] <daveake> Chetic I suggest you set the filter width to Auto, and you reduce the carrier shift setting a bit to match the transmission
[13:12] <Chetic> roger. still not getting anything though
[13:12] <daveake> then something else changed
[13:13] <daveake> e.g. you might not be tuned in to the correct signal
[13:13] <Chetic> it's definitely my payload
[13:15] <gonzo_> reverse shift?
[13:15] <daveake> Yeah was about to suggest that
[13:15] <Chetic> tried both
[13:16] <gonzo_> 7bit/8bit
[13:16] <Chetic> tried both, it's 7
[13:16] <Chetic> trying powering from wall outlet usb now
[13:17] <Geoff-G8DHE> You have the Squelch on at a low level never a good idea
[13:17] <Chetic> if that works I'm throwing this in the trash
[13:17] <Chetic> what does that mean Geoff-G8DHE_
[13:17] <Chetic> ?
[13:17] <gonzo_> squelch usually results in no data at all
[13:17] <Geoff-G8DHE> Squelch suppress's the signal when there is noise present
[13:17] <gonzo_> what Chetic is getting is corrupt data?
[13:18] <Geoff-G8DHE> so it only appears when its a clean signal
[13:18] <gonzo_> ah, ok. Never used it
[13:18] <Chetic> ah ok not gonna use squelch
[13:18] <Geoff-G8DHE> click the lower right button and pull the slider right down low
[13:19] <Geoff-G8DHE> yes the Squelch can cu-out the signal when one is a bit out of passband
[13:19] <Chetic> ok good to know about squelch, but I've got the same problem without it
[13:19] <Geoff-G8DHE> You also have AGC on in SDR# again not always a good idea when testing as its changing things outside your control
[13:21] <Geoff-G8DHE> You also do have Rv selected, is that intentional ?
[13:22] <Chetic> yeah was just a test
[13:23] <Chetic> this is what it's like now http://i.imgur.com/qQIZZOW.png
[13:23] <Geoff-G8DHE> The mark appears correct so it would give you rubbish if that was on!
[13:24] <Chetic> the audio itself is crystal clear and sounds just like it did when I was decoding properly
[13:24] <Chetic> (as far as my ears can tell)
[13:25] <amell> i dont see two tones there in your waterfall
[13:25] <Geoff-G8DHE> Nothing obviously wrong, can you check the actual output from the processor to the Tx make sure the code hasn't gone odd
[13:25] <Chetic> don't have the hardware for that but I can kill the program and check the last used uart settings
[13:26] <amell> zoom in, do you actually see RTTY? I dont see RTTY in that waterfall
[13:27] <Chetic> well it sounds like it, and I can clearly see some kind of shift happening
[13:27] <Chetic> oh damn
[13:27] <Geoff-G8DHE> The last part looks very smooth ?
[13:27] <amell> looks like a carrier to me
[13:28] <amell> you need to zoom in to be sure
[13:28] <Chetic> I tried explicitly writing to the uart with a different program and then it works
[13:28] <Chetic> so it's software... what in the world is going on
[13:28] <amell> this is why we test&
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[13:32] <SpacenearUS> New position from 03W1DOW-1 after 0312 hours silence - 12http://tracker.habhub.org/#!qm=All&q=W1DOW-1
[13:42] <pc1pcl> might try restarting dlfldigi, or swithcing it ot another mode and back. Sometimes fixes issue where signal sounds fine but dlfldigi isn't decoding for me.
[13:45] Nick change: fl_0 -> fl_0|afk
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[14:07] <Geoff-G8DHE> If I go down for a Coffee then that will bring Joey4 to launch point!
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[14:19] <Geoff-G8DHE> Well that didn't work then :-(
[14:19] <SpacenearUS> New vehicle on the map: 03M0RPI_chase - 12http://tracker.habhub.org/#!qm=All&q=M0RPI_chase
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[14:34] <LunarWork> be back later
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[14:38] <edmoore> no Joey can launch
[14:38] <edmoore> now*
[14:39] <craag> lol
[14:39] <craag> poor Lunar
[14:41] <SpacenearUS> New vehicle on the map: 03chase_M0RPI - 12http://tracker.habhub.org/#!qm=All&q=chase_M0RPI
[14:41] <mattbrejza> perhaps beginning to push 'ish'
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[14:43] <daveake> Inside Seven Hours ?
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[14:45] <SpacenearUS> New vehicle on the map: 03uX5 - 12http://tracker.habhub.org/#!qm=All&q=uX5
[14:48] <Geoff-G8DHE> Steve will probably launch before Joey4!
[14:49] <SpeedEvil> New dimension discovered!
[14:49] <SpeedEvil> http://www.bbc.co.uk/news/uk-england-london-32414531
[14:49] <SpeedEvil> (of a hole used to break in to a vault 'It measured 50cm (19.7in) deep, 25cm (9.8in) high, 45cm (17.7in) wide and 89cm (35in) tall.
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[15:11] <pc1pcl> SpeedEvil: looks liek it is corrected into "It measured 50cm (19.7in) deep, 25cm (9.8in) high, 45cm (17.7in) wide and sits 89cm (35in) above the floor."
[15:12] <SpeedEvil> :)
[15:12] <Ian_> Hey Chetic, maybe it's an NMEA standard violation problem. Maybe you should ask edmoore for some help!
[15:14] <amell> !dial joey
[15:14] <SpacenearUS> 03amell: Can't find a flight doc matching your query
[15:14] <amell> !payloads
[15:14] <SpacenearUS> 03amell: Can't find a flight doc matching your query
[15:15] <fsphil> !flights
[15:15] <SpacenearUS> 03fsphil: Current flights: 03Nova 29 10(d0b2), 03Chichester College HAB 2015 10(7a10), 03ANU 9 10(ce0d)
[15:15] <fsphil> !yourwelcome
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[15:15] <amell> seeing faint rtty at 434.644
[15:15] <fsphil> this has been an annoyingly long day
[15:16] <Ian_> This appears to have been a C hectic day Phil.
[15:16] <edmoore> just writing sw for me today
[15:16] <edmoore> quiet
[15:16] <edmoore> there irc window more tempting than usual
[15:17] <fsphil> shouldn't mention imgur then
[15:17] <edmoore> ?
[15:18] <fsphil> it's a handy distraction from boring stuff
[15:19] <edmoore> oh right
[15:20] <edmoore> yeah it's more than i write some software, run the test suite (a few minutes) then continue writing more sw
[15:20] <edmoore> very stop-start
[15:20] <fsphil> mmm
[15:20] <fsphil> I'm writing documents. brain slowly fading
[15:20] <edmoore> a small email exchange with a customer asking about how we define combustion chamber pressure for theoretical purposes
[15:21] <edmoore> wasn;t the most exciting
[15:22] <SpacenearUS> New vehicle on the map: 03WD0FCK-11 - 12http://tracker.habhub.org/#!qm=All&q=WD0FCK-11
[15:23] <amell> do we have a progress report on Joey?
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[15:23] <fsphil> so these APRS flights are automatically imported now?
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[15:28] <amell> at this rate joey isnt going to land before darkness falls across the land.
[15:28] <amell> ive recovered in pitch black and its no fun.
[15:28] <fsphil> should get some nice pictures
[15:29] <Laurenceb__> https://www.youtube.com/watch?feature=player_embedded&v=dhCbj0LyHpg
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[15:31] <edmoore> one day you will post an On-Topic youtube link to this channel, Laurenceb__
[15:31] <edmoore> one day
[15:31] <edmoore> i believe
[15:32] <DanielRichman> JOEY is still gonna happen
[15:32] <amell> nahhhh
[15:33] <craag> DanielRichman: Fell asleep sunbathing?
[15:33] <amell> the question on everyones lips is, when is it going to happen?
[15:33] <amell> i can assure craag it is not sunny in cambridge
[15:33] <mattbrejza> hey craag when was the last time you saw a cloud?
[15:34] <craag> what's a cloud?
[15:34] <mattbrejza> ikr
[15:34] <edmoore> it's clouded here now
[15:34] <fsphil> all blue here. most unnatural
[15:34] <fsphil> if this keeps up I might even have to wear a t-shirt
[15:35] <edmoore> I thought NI was mostly orange
[15:39] <fsphil> if you mixed it all together you'd probably get a sickly brown
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[15:55] <SpacenearUS> New vehicle on the map: 03KI6YMZ-11 - 12http://tracker.habhub.org/#!qm=All&q=KI6YMZ-11
[15:59] <amell> win for the met office http://www.washingtonpost.com/blogs/capital-weather-gang/wp/2015/04/20/air-force-to-cut-ties-with-u-s-weather-forecast-system-in-favor-of-uk-model/
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[16:01] <DanielRichman> JOEY4 released
[16:01] <DanielRichman> 434.590ish
[16:02] <edmoore> no uploads from the launch site?
[16:02] <amell> i have it
[16:03] <SpacenearUS> New position from 03JOEY4 after 037 hours silence - 12http://tracker.habhub.org/#!qm=All&q=JOEY4
[16:04] <amell> i was first :)
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[16:06] <edmoore> it's got a shufty on
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[16:06] <garymortimer> evening all, just considering the pub of chice
[16:06] <garymortimer> choice
[16:08] <garymortimer> Based on the lasted prediction I don't know any in France
[16:09] <garymortimer> oh no thats anu
[16:11] <garymortimer> If Milton keynes is where it ends up then The Black Horse, little bit posh but nice by the canal http://www.theblackhorsegreatlinford.co.uk/
[16:12] <amell> how come im the only one receiving joey?
[16:13] <garymortimer> If I were to get chips on the way home i would certainly visit Enzo's in Olney, https://plus.google.com/112260332674555898727/about?gl=za&hl=en very good according to this review
[16:13] <craag> garymortimer: You are what this channel has been missing :)
[16:14] <craag> However you're also making me hungry before home time :(
[16:14] <edmoore> yeah i'm starving actually
[16:14] <amell> uh oh. joey is not well
[16:14] <amell> drifting all over
[16:14] <edmoore> it's just occured to me what a desparate situation this is
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[16:14] <edmoore> and i can't really afford to eat out atm because i bought a stupid oscilloscope
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[16:15] <amell> my god. this is crazy drift.
[16:15] <daveake> s/stupid/clever/
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[16:16] <G0wxi> !dial Joey4
[16:16] <SpacenearUS> 03G0wxi: Latest dials for 03JOEY4 10(d0b2): 03434.593695 MHz, 434.593498 MHz, 434.593938 MHz, 434.5942 MHz, 434.125 MHz
[16:16] <Geoff-G8DHE> Drift ! http://360.g8dhe.net/HAB_Flights/2015_Flights/NOVA29_20150422/index.php?ind=2
[16:17] <amell> it is very unstable in freq too
[16:17] Lunar_Lander (~kevin@p5488996F.dip0.t-ipconnect.de) joined #highaltitude.
[16:17] <amell> spinning?
[16:17] <Lunar_Lander> hello
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[16:18] <Geoff-G8DHE> No its a constant downward slope 500Hz/20 seconds
[16:18] <craag> Lunar_Lander: Pssh, there's a launch on, you're not meant to be here!
[16:19] <amell> AFC having trouble keeping up
[16:19] <Lunar_Lander> oh
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[16:19] <craag> ;)
[16:19] <mattbrejza> anyone else got a sinewave of about 0.3Hz a few kHz down from joey?
[16:20] <mattbrejza> (as in it looks like a sinewave on the waterfall
[16:20] <amell> no
[16:20] <mattbrejza> was wondering if related to joey or not
[16:20] <Geoff-G8DHE> Nothing here
[16:20] <mattbrejza> that radio on joey is pretty power supply sensitive
[16:20] <mattbrejza> its also down on power
[16:21] <amell> yeah theres something wrong with it.
[16:21] <amell> i am only 18km away and can hardly hear it through the noise
[16:22] <amell> 434.589 now
[16:23] <garymortimer> Best head to teh pub and hope then
[16:23] <SpacenearUS> New vehicle on the map: 03EI2KK_chase - 12http://tracker.habhub.org/#!qm=All&q=EI2KK_chase
[16:24] <amell> this is untrackable
[16:24] <amell> has it got a flat battery or something...
[16:25] <Geoff-G8DHE> The last shift was over 200Hz in 1 second
[16:25] <mattbrejza> its interesting that there are periodic patterns in the drift
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[16:25] <mattbrejza> like when it darts down and then back up in frequency
[16:25] <amell> 434.586 now
[16:25] <Geoff-G8DHE> Almost looks like flat batteries
[16:25] <Geoff-G8DHE> Had the batteries been running all day perhaps ?
[16:26] <amell> i have it but only just
[16:26] <Geoff-G8DHE> Its very visible on the w/f but just impossible to keep up with the drift
[16:26] <mattbrejza> hmm i do seem to remember joeys doing this when low on power
[16:26] <mattbrejza> (i have a V1 one)
[16:27] <Geoff-G8DHE> its stablised for a little while ?
[16:27] <mattbrejza> or rather radio going weird with low power, not sure if specifically this
[16:27] <amell> congrats to F5APQ&
[16:27] <Geoff-G8DHE> yes its stable
[16:27] <mattbrejza> chasecar will have it easier
[16:28] <amell> not much. joey is less than 5 miles from me
[16:28] <Geoff-G8DHE> its starting to drift high now
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[16:29] <Geoff-G8DHE> 2 strings in a row!
[16:30] <Geoff-G8DHE> Must be partially temp.
[16:30] <Geoff-G8DHE> its starting to get above the coldest layer
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[16:32] <amell> ive lost it.
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[16:32] <amell> either its directly overhead or its dead
[16:32] <Geoff-G8DHE> Still same signal srength here
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[16:33] <Geoff-G8DHE> just drifting high at a silly rate now
[16:33] <Hiena> Ehhh...I need a break. Just doodled a reentry configuration for a single stage orbiter and it's almost looks like a TIE-fighter from the front. Damn you diamond wing configuration.
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[16:42] <Geoff-G8DHE> Its settled down to a manageable drift now, justabout ...
[16:42] <garymortimer> aha vic
[16:43] <amell> i think this will die before the flight is over, its so quiet.
[16:43] <Geoff-G8DHE> Think it must have a null below it
[16:48] <Upu> something in the air ?
[16:48] <Nyamazane> Garymortimer I think we need to show the chaps how to do it in Africa...:-)
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[16:49] <garymortimer> I think we will show them how to not do it
[16:51] <SpacenearUS> New vehicle on the map: 03DC2EH-14 - 12http://tracker.habhub.org/#!qm=All&q=DC2EH-14
[16:53] <Nyamazane> :-) can not believe how far technology has come to track balloons from way back in 1973 when I was tracking weather balloons with 100 thousands of Rands of equipment on Gough Island.
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[16:56] Nick change: fl_0|afk -> fl_0
[16:58] <pc1pcl> !dial joey4
[16:58] <SpacenearUS> 03pc1pcl: Latest dials for 03JOEY4 10(d0b2): 03434.593711 MHz, 434.593407 MHz, 434.593346 MHz
[16:58] <garymortimer> are the three stations tracking enough or will it all get a bit dodgy lower later?
[16:59] <Geoff-G8DHE> With this signal it won't be easy when it gets low, I'll loose it at about 7-8Kms
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[17:00] <Guest80588> !dial joey4
[17:00] <SpacenearUS> 03Guest80588: Latest dials for 03JOEY4 10(d0b2): 03434.593958 MHz, 434.593711 MHz
[17:00] <Geoff-G8DHE> also the drift will come back when it descends thru the cold layer again :-(
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[17:03] <Geoff-G8DHE> drifting low again
[17:03] <Geoff-G8DHE> think it may have burst
[17:04] <Geoff-G8DHE> yup descending
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[17:05] <garymortimer> Humm Hare and Hounds at Old Warden then http://www.hareandhoundsoldwarden.com/
[17:06] <garymortimer> Nothing great in Biggleswade
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[17:09] <Geoff-G8DHE> lot of partals $JOEY4,503,17:.52.1305960,-0.2491367,17983,8lCCE
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[17:09] <garymortimer> Out to its west is the special operations Lysander airfield at Tempsford http://www.harringtonmuseum.org.uk/HistoryTempsford.htm
[17:09] <garymortimer> The West of the balloon
[17:11] <Nyamazane> amazing !
[17:11] <Geoff-G8DHE> Down to 14.5Kms
[17:13] <Geoff-G8DHE> 12Kms
[17:14] <Nyamazane> what was coldest temp?
[17:15] <Geoff-G8DHE> Its not reporting Temp, but the coldest layer is around 8-12Kms
[17:16] <Nyamazane> Thanks
[17:16] <Geoff-G8DHE> 11Kms
[17:17] <Geoff-G8DHE> drift is slowing down again but strength going for me
[17:17] <Geoff-G8DHE> OEY4¼á;,s65p8340,-0.27975?2tP^4853417:16:59.6Y.28402,10468,7,3*58
[17:17] <Nyamazane> Is it still light enough for recovery...Here it is pitch dark in Africa
[17:18] <Geoff-G8DHE> Oh yes plenty of light at the moment
[17:18] <garymortimer> Won't be dark till much later over there, lovely long summers evening
[17:19] <Geoff-G8DHE> Drifting back up now must be close on 7-8Kms
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[17:19] <garymortimer> do they have tracking with them??
[17:19] <Geoff-G8DHE> Yes
[17:19] <Nyamazane> was just thiking that
[17:19] <garymortimer> Ok cool
[17:19] <Nyamazane> VHF?
[17:20] <Nyamazane> or UHF?
[17:20] <Geoff-G8DHE> 434.586MHz
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[17:24] <Nyamazane> Geoff does shute deploy imediately or is it on delay deployment
[17:24] <DanielRichman> are you guys havi g trouble rxing?
[17:25] <Geoff-G8DHE> It flys deployed on the line so immideate open gone for me now http://360.g8dhe.net/HAB_Flights/2015_Flights/NOVA29_20150422/index.php?ind=7
[17:25] <Geoff-G8DHE> its around 434.593MHz
[17:25] <Nyamazane> shame sorry
[17:25] <Geoff-G8DHE> drifting high fast!
[17:26] <Geoff-G8DHE> Ahh KNN got it
[17:26] <DanielRichman> oh sweer GHKNN has it
[17:26] <DanielRichman> *sweet
[17:26] <garymortimer> Thats the dodgy end of Bedford
[17:27] <DanielRichman> (y)
[17:27] <Geoff-G8DHE> afk for food!
[17:27] <garymortimer> really nice pub on the river at Great Barford
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[17:27] <garymortimer> two gliders in trailers down the side of the house opposite
[17:28] <garymortimer> http://www.anchorinngreatbarford.co.uk/
[17:29] <Nyamazane> Garymortimer are you using a binoculars from south Africa to see that?
[17:30] <garymortimer> I have flown over it dozens of times
[17:30] <Nyamazane> :-)
[17:31] <garymortimer> If it goes a little further it will land at the airship sheds at cardington
[17:31] <amell> if it lands on top of those, youre not getting it back
[17:31] <Nyamazane> Looking forward to the SA launch Saturday
[17:32] <garymortimer> the big house over the main road on track is a restaurant, Vic south east of it on the edge of town very famous microlight strip at Sandy
[17:33] <Nyamazane> Looks Good on Google earth
[17:35] <Nyamazane> hate to think of a recovery here in SA ....just bush and waste lands and mountains...long walk to recover any balloon
[17:35] <garymortimer> Yeah thats whats going to happen on Saturday, Im staying on a hill tracking
[17:36] <garymortimer> its going to be in sugar cane for certain
[17:36] <Nyamazane> not easy to find then
[17:36] <Nyamazane> How is it going Geoff
[17:37] <Nyamazane> any lower
[17:37] <garymortimer> its still being received on the map vic
[17:39] <Nyamazane> I see looks like it is going to land in a field near a pub
[17:39] <Nyamazane> Drinks on Goeff
[17:39] <garymortimer> that is a restaurant
[17:40] <garymortimer> its going to be over the hedge i think
[17:40] <Nyamazane> Ok then Meal on Goeff
[17:40] <garymortimer> actually it was a restaurant might not be now
[17:41] <Nyamazane> easy access
[17:43] <garymortimer> if it gets over the trees
[17:44] <G8KNN> last partial put it at 52.1261330,-0.3491910
[17:44] <G8KNN> alt of 533m
[17:45] <garymortimer> I think this shows Vic how important it is to have several folks with the eyes on the big picture, not just rushing around in cars
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[17:45] <Nyamazane> YIP and good antennas!
[17:46] <amell> and people who can be bothered to follow drift
[17:46] <garymortimer> indeed, well worth watching this one and what you were all doing
[17:47] <edmoore> you're both SA-ers?
[17:47] <edmoore> excellent stuff
[17:48] <edmoore> there should be more SA habbing
[17:48] <edmoore> perfect place
[17:48] <Nyamazane> getting ther
[17:48] <garymortimer> Not our bit so much, too close to the sea but inland for sure
[17:48] <edmoore> great landscape, good winds, and probably the best pre-launch BBQs in the world
[17:49] <garymortimer> Our local Ham group are flying on the weekend and we will track but continue to work on our own stuff
[17:49] <Nyamazane> We have our fan tracking Rhino and poachers...:-)
[17:49] <edmoore> funny you mention it
[17:49] <Nyamazane> fun
[17:49] <edmoore> someone was talking to us about a poacher-spotting rig
[17:49] <garymortimer> its what we do ;-)
[17:50] <edmoore> thermal cameras on a tethered aerostat
[17:50] <garymortimer> but you would need a big camera
[17:50] <edmoore> your part of the world
[17:50] <garymortimer> wont see enough
[17:50] <garymortimer> http://www.suasnews.com/2014/11/32892/the-devils-in-the-data-wearables-for-wildlife/
[17:52] <garymortimer> have to leave the keyboard for a bit. hope they find it
[17:52] <garymortimer> sure they will
[17:52] <Nyamazane> I like your link Gary...well said...
[17:56] <edmoore> that's a really good article thanks garymortimer
[17:56] <edmoore> i shall forward it to a couple of people
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[18:06] <Nyamazane> Thanks edmoore...Gary and I have our work cut out for us to try and incorporate the HAB stuff with uploading data from the collars..
[18:06] <edmoore> is that the plan?
[18:06] <Nyamazane> yip
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[18:09] <Nyamazane> curently we put GPS units on the back of Vultures and they fly free over the reserves and data gets downloaded that way as well...but sadly the poachers are killing the vultures and that is not helping...:-(
[18:10] <Nyamazane> So balloons are more easily replacable
[18:14] <Nyamazane> and do not run the risk of dying out
[18:15] <SpeedEvil> Balloons die even faster than vultures.
[18:16] <Nyamazane> :-)
[18:19] <amell> An M8n should fit subcutaneously.
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[18:21] <garymortimer> I'm back, we lose animals in the bumps and valleys of our area so lofting one of our repeaters for an hour or floating for several hours and cutting away when over an open area would really help. Using a drone is ok but limited to endurance and to a certain extent legality as well
[18:23] <Nyamazane> An M8n should fit subcutaneously.......NO GPS works subcutaneously only VHF beacon but poorly
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[18:25] <Nyamazane> cheers all...thanks for interesting Launch
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[18:29] <SpeedEvil> With a properly designed antenna, GPS should work transcutaneously
[18:29] <SpeedEvil> To a degree at least.
[18:30] <SpeedEvil> http://www.google.com/patents/US20100321182 - patent examiners that need shot in the head
[18:30] <daveake> Skin effect literally
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[18:44] <DanielRichman> joey recovered
[18:44] <DanielRichman> :-)
[18:44] <DanielRichman> tyvm everyone that received it today; will email later
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[19:04] <SpeedEvil> http://repositorio-aberto.up.pt/bitstream/10216/75691/2/99523.pdf
[19:04] <SpeedEvil> Quotes ranges of >20cm for freshwater wifi link at 2.4GHz
[19:04] <SpeedEvil> at 100mbit/s
[19:13] <SpeedEvil> Ah - fig 3.3 gives attenuation of seawater at four times pure at 2.4GHz, so a range of 5cm.
[19:14] <SpeedEvil> So it seems quite plausible that an antenna for GPS under ~2mm of skin would more-or-less work - with perhaps 10-20dB of loss
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[19:42] <Geoff-G8DHE> Right 3 flights tomorrow, making us trackers busy I see!
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[19:52] <ChiHAB-Rik> Just a quick shout out to thank anyone on IRC would helped us out today tracking the Chichester College HAB project (ChiHAB)
[19:52] <chrisstubbs> Busy for a work day!
[19:54] <ChiHAB-Rik> Geoff - if you're here - you topped the leader board with 859 lines
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[20:01] <mattreid> Hey, I was wondering, when the payload drops, does it experience 0G seeing as it is at a constant 5m/s?
[20:01] <LuckyLuke> 0g would be for a freefall i guess
[20:02] <edmoore> so no
[20:02] <LuckyLuke> so accelerating at 9.81 m/s2
[20:02] <edmoore> it doesn;t experience 0g
[20:02] <edmoore> it probably experiences 0g immediately after the balloon bursts
[20:02] <edmoore> rising to 1G as it achieves equilibrium
[20:03] <Geoff-G8DHE> ChiHAB-Rik, Always interesting ;-) I put a Object Movie of your flight up here if its of interst http://360.g8dhe.net/HAB_Flights/2015_Flights/ChiHab_20150422/
[20:03] <mattreid> Aww, shame - would have been cool though :D
[20:03] <edmoore> what did you have in mind?
[20:03] <LuckyLuke> he's testing 0G effect on worms ;) ?
[20:04] <ChiHAB-Rik> Wow - that's awesome Geoff - thanks!
[20:04] <mattreid> How did u guess XD Nah, I just thought it would be cool to have something floating in a clear payload bay
[20:04] <edmoore> i think the 0psi and 0C part might have a bigger effect on the worms
[20:05] <edmoore> well you can work out how much microgravity you get, and for how long, with a balloon payload that you release from say 30,000m
[20:05] <edmoore> but you're not talking much
[20:05] <edmoore> under a few milliG for only a very small fraction of a second
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[20:05] <mattreid> I keep switching between tabs
[20:05] <edmoore> (it's a function of your ballistic coefficient)
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[20:06] <mattreid> I just wrote a proposal for a HAB project and thought that 0G might help my point XD
[20:06] <edmoore> well, good science helps things even more :)
[20:07] <mattreid> I used 'big words' so now they have to nod and agree ;) What sensor could I use to measure G loads?
[20:07] <edmoore> but try and convince yourself why a system under a parachute descending to ground level is in equilibrium, and therefore feels its 1g of weight
[20:07] <edmoore> an accelerometer
[20:08] <mattreid> I have a 6 axis IMU somewhere on this desk..... I think it may have one of those in it...
[20:08] <edmoore> it will probably have three of those in!
[20:08] <edmoore> three of the axis will be accelerometers, three will be gyroscopes
[20:09] <edmoore> that means you can measure movements-in, and rotations-about, any axis in 3d space
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[20:10] <DanielRichman>
[20:10] <mattreid> I may get a Arduino SD data logger so I don't have to transmit it. I have a RFM22B set up working and it works pretty well if I say so myself
[20:11] <Babs> Evening all - quick q - i've hooked up and soldered up my board apart from the capacitors, which I am waiting on. I tried programming it anyway whilst i am waiting, and the thing appears to work, but at about 1/4 speed. is it hosed or is it the lack of capacitors? ( I guess I could wait until the end of the week when they arrive but in the mean time I'm impatient....)
[20:12] <mattreid> What microprocessor are u using?
[20:14] <Babs> atmega328
[20:14] <edmoore> is this ordinarily in arduino-land?
[20:15] <edmoore> and have you set the fuses properly if you're departing from the arduino chip?
[20:15] <edmoore> to use the right oscillator?
[20:15] <Babs> hey ed
[20:15] <Babs> i'm programming it in the same way i did the dip version
[20:16] <edmoore> ok - it still could be fuses
[20:16] <edmoore> if it's basically all fine except the speed is out
[20:16] <Babs> in arduino land but programming through the avrisp thing
[20:16] <mattreid> brb sry
[20:17] <edmoore> check you've programmed the fuses correctly on this new chip
[20:17] <Babs> doesn't the avrisp do that automatically?
[20:17] <edmoore> don't know for sure but don't think so
[20:18] <edmoore> usually it's a separate process to programming the flash
[20:18] <edmoore> when i invoke avrdude from the command line i have to deliberately do it separately
[20:18] <edmoore> if it's actually 1/8 what you expect that i'm almost certain it's the divide-by-8 fuse
[20:19] <edmoore> there are other fuses that tell it to use either the internal clock or one of several external-clock options
[20:19] <Babs> let me time it with the blinky thing
[20:19] <Ian_> Sounds about right. I guess that Avrdude uses command line switches in place of the boards,txt to specify various bits and options?
[20:20] <edmoore> possibly. my knowledge of arduino is not great tbh
[20:20] <edmoore> i know it just wraps avrdude
[20:21] <Babs> definitely the 1/8 thing
[20:21] <edmoore> right
[20:21] <edmoore> fuses
[20:21] <Babs> i blinked at 125 milliseconds and it blinks every second
[20:21] <mattreid> Back, what's the baud rate?
[20:21] <Babs> in other news i'm quite proud of my little board
[20:21] <Babs> :-)
[20:22] <edmoore> on which note i'm going to leave work and drive home
[20:22] <edmoore> post a pic before i go
[20:22] <edmoore> or i'll be back in about 35 mins anyhoo
[20:22] <Babs> 2 secs
[20:23] <Babs> http://flic.kr/p/rWV39r
[20:24] <edmoore> nice job!
[20:24] <Babs> mattreid - on the serial monitor?
[20:24] <edmoore> very wee
[20:24] <edmoore> right back soon
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[20:25] <mattreid> yes
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[20:26] <Babs> 9600
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[20:29] <mattreid> Maybe turn it up to 36800 (or something higher) and maybe up the power to 5v? No expert but that generally works for me
[20:31] <Babs> its running off 3.3, works on the breadboarded version with the DIP chip, shouldn't really be any different but as Ed says, I think its the fuses. cheers anyway.
[20:32] <mattreid> np :)
[20:37] <mattreid> With HABs, can we use SSDV or SSTV (in the UK and have a radio licence)
[20:38] <Geoff-G8DHE> An Amateur radio licence is no good on a balloon as it bans use in the air!
[20:39] <Geoff-G8DHE> Which is why we use the ISM band (which happens to be in 70cms Amateur band).
[20:39] <mattreid> So no SSTV? :'( What about a FPV downlink?
[20:40] <Geoff-G8DHE> Use what modes you like, but ISM limits the power/bandwidth etc. FPV video is not usuable. we do SSDV instead slow speed images.
[20:41] <mattreid> So what frequencies can we use SSDV?
[20:41] <Geoff-G8DHE> Any within the ISM band
[20:41] <mattreid> 70cm/2m right?
[20:42] <daveake> see IR2030
[20:42] <Geoff-G8DHE> NO the ISM band 434.05 to 434.8MHz
[20:42] <amell> this is fun for the rocket folks https://www.youtube.com/watch?t=26&v=Hl8btwQ-X2k
[20:43] <Reb-SM3U1C> btw, the 1.2 & 2.4 ghz band, anyone used those on hab?
[20:43] <Babs> got it (in case anyone is interested) - you have to burn the arduino bootloader to the chip first to reset the fuse to the correct setting
[20:44] <Babs> then even if you write over the bootloader by writing directly with the avrisp it will retain the fuse settings
[20:45] <Ian_> Thanks on that Babs, something new learned which might be useful to me or to someone else when you aren't around to share your wisdom directly.
[20:45] <mattreid> Geoff-G8DHE I got my licence ages ago and barely use it, thanks - I'll look into it :)
[20:45] <Ian_> Always interested.
[20:48] <Ian_> I guess that the Amateur Radio Licence terms, conditions and limitations and IR2030 aren't bed time reading, but you need to do your research when you plan on entering an unfamiliar mode or area of activity..
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[20:49] <mattreid> yh, it would have a large line of sight so I don't want to screw anything up
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[20:51] <mattreid> anyway, I'm gonna go now, night!
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[20:55] <Ian_> 10mW travels far from altitude . . . 1W would swamp the country . . .
[20:56] <Geoff-G8DHE> !wiki IR2030
[20:56] <SpacenearUS> 03Geoff-G8DHE: No results for your query
[20:56] <Ian_> http://stakeholders.ofcom.org.uk/binaries/spectrum/spectrum-policy-area/spectrum-management/research-guidelines-tech-info/interface-requirements/IR_2030.pdf
[20:57] <Ian_> Zeusbot had more thinking time than me :)
[20:57] <Geoff-G8DHE> !wiki Frequency Ramblings
[20:57] <SpacenearUS> 03Geoff-G8DHE: No results for your query
[20:58] <Ian_> Page 16 I think
[20:58] <Ian_> 2m is a strictly Amateur band.
[21:00] <Geoff-G8DHE> !wiki ISM
[21:00] <SpacenearUS> 03Geoff-G8DHE: Wiki page 03inventek-ism300 (guides) - 12http://ukhas.org.uk/guides:inventek-ism300
[21:00] <Geoff-G8DHE> !wiki ISM Band
[21:00] <SpacenearUS> 03Geoff-G8DHE: No results for your query
[21:01] <Ian_> Geoff, I think that zeusbot is playing with you, just not nicely :)
[21:01] <Geoff-G8DHE> No it only searches headers I think
[21:02] <Geoff-G8DHE> But not all pages use Headers! Even if it looks like they do :-(
[21:04] <Geoff-G8DHE> !wiki Licence Exempt
[21:04] <SpacenearUS> 03Geoff-G8DHE: Wiki page 03licence_exempt (communication) - 12http://ukhas.org.uk/communication:licence_exempt
[21:04] <Geoff-G8DHE> Thats the one!
[21:05] <Reb-SM3U1C> have to check the 2.4 ghz about the max power
[21:06] <Ian_> I noticed that Chetic was just going to take a few moments to do his testing ready for getting a flight doc approved . . . Several hours ago!
[21:06] <Ian_> Minor glitch?
[21:06] <Reb-SM3U1C> I think max power for 2.4 is 100mW even if airborne
[21:07] <LuckyLuke> guys... I need your help with RTTY over radio ...
[21:07] <LuckyLuke> I go this way: rasPI > ntx2b > AirSpy > sdr# > dl-flDigi
[21:07] <LuckyLuke> i send "HelloWorld" in and receive garbage out :/
[21:07] <Geoff-G8DHE> Thats your problem then - No aerials
[21:08] <Geoff-G8DHE> Give us screegrab of SDR# and DL-fldigi when receiving the signal
[21:08] <daveake> check the usual stuff
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[21:08] <LuckyLuke> https://drive.google.com/file/d/0B_8ipK0TpiuhNG43VkdqUzJ4QU0/view
[21:08] <daveake> baud rate / stop bits etc must match between tx and rx
[21:09] <daveake> and try checking Rv in dl-fldigi in case you're inverting somewhere along the line
[21:09] <LuckyLuke> Hi daveake - I borrowed your code from PITS on github. but I'm not sure if i'm not missing smth. (I'ma nobb)
[21:09] <daveake> You don't need any of that to test
[21:09] <Geoff-G8DHE> Rv looks a possible culprit also you have SQL turned on click it off
[21:10] <daveake> just echo something > /dev/ttyAMA0
[21:10] <prog> Windows Motif 7 ?
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[21:12] <LuckyLuke> yeah !
[21:12] <LuckyLuke> RV is the thing
[21:12] <LuckyLuke> (and also ascii8)
[21:12] <LuckyLuke> thanks
[21:13] <LuckyLuke> which makes me wonder ...
[21:13] <Ian_> Page 21 IR2030/1/22 2010/0168/UK Oct 2010 2400  2483.5 MHz 1-mW eirp
[21:13] <Geoff-G8DHE> Try ticking CorrectIQ in sdr# and then turn Rv off again
[21:13] <LuckyLuke> I wired NTX to PI according to this: https://ukhas.org.uk/guides:linkingarduinotontx2?rev=1399496254
[21:13] <daveake> yes that's correct
[21:14] <LuckyLuke> but it seems setting control pin HIGH lowers frequency (I'd expect it gets higher)
[21:14] <daveake> That's your SDR s/w
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[21:14] <daveake> <Geoff-G8DHE> Try ticking CorrectIQ in sdr# and then turn Rv off again
[21:14] <daveake> ^ do this
[21:17] <prog> guys, do you use noise reduction for hab stuff?
[21:17] <LuckyLuke> ticking 'CorrectIQ' does nothing
[21:17] <LuckyLuke> in SDR#
[21:17] <prog> it has limited effect with airspy ...
[21:18] <LuckyLuke> 'Swap IQ' move the other peak to the right, buit then I can't decode it in fldigi
[21:18] <Geoff-G8DHE> We have the Man here! prog - why do you have both Correct IQ and Swap I&Q ?
[21:18] <prog> swap IQ inverts the spectrum
[21:18] <Geoff-G8DHE> Yes so Correct IQ ?
[21:18] <prog> correct IQ fixes the DC offset and the phase/amplitude imbalance
[21:18] <prog> there's very little DC in Airspy
[21:19] <prog> and the phase/amplitude is perfect (calculated rather than sensed)
[21:19] <Geoff-G8DHE> Ah right read those as both applying to the IQ reversal aspects
[21:19] <prog> can you explain what's the setup here?
[21:19] <prog> sending what modulation?
[21:20] <Geoff-G8DHE> Its RTTY in USB mode, but this problem seems to be at the Tx end rather than the Rx end
[21:21] <LuckyLuke> I brainlessly copied OpenSerialPort() routine from PITS code
[21:21] <Geoff-G8DHE> as to noise reduction or any filtering I prefer off
[21:21] <LuckyLuke> and using it the way I showed in screenhot
[21:21] <prog> in the screenshot he's not using SSB
[21:21] <prog> CW is yet another mode
[21:21] <prog> use USB
[21:22] <prog> Geoff-G8DHE: the DNR has a very good effect on RTTY
[21:22] <prog> ask Upu
[21:23] <Geoff-G8DHE> OK but don't often use SDR# as most often need multipile VFO's :-(
[21:24] <prog> use multi-vfo plugin ... with a better DSP !
[21:24] <Geoff-G8DHE> also need CAT control of SDR# from dl-fldigi to do the tuning etc.
[21:24] <prog> cat plugin?
[21:25] <prog> well. it doesn't exist :P
[21:25] <Geoff-G8DHE> then I don't have to tune it when the signal drifts :P
[21:25] <LuckyLuke> so switching to USB and disabling RV works OK
[21:25] <prog> ah you mean doppler correction?
[21:25] <LuckyLuke> and makes sense to me whats more important !
[21:26] <Geoff-G8DHE> No Tx drift going from +20 to -40 C
[21:26] <prog> what's the frequency drift in Hz?
[21:26] <amell> it was bad today!
[21:26] <prog> LuckyLuke: for external decoders -> USB
[21:26] <Geoff-G8DHE> See here http://360.g8dhe.net/HAB_Flights/2015_Flights/NOVA29_20150422/index.php?ind=8
[21:27] <prog> use a good tcxo
[21:27] Action: amell laughs
[21:27] <Geoff-G8DHE> :) lol
[21:28] <prog> -40 to +85 is just 0.5ppm
[21:28] <Geoff-G8DHE> Tell that to some ISM Tx's ;-)
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[21:46] <FuzzyLemon> Will the fact that GRIFFEN's and ANU's frequencies are 434.5 and 434.525 respectively cause any problems tomorrow?
[21:46] <Upu> What transmitter are you using ?
[21:46] <FuzzyLemon> Habduino
[21:47] <Upu> you're probably fine as that TCXO so it doesn't drift
[21:47] <Upu> but I think ANU is an RFM22B which may drift into you
[21:47] <amell> can you change it easily?
[21:47] <FuzzyLemon> I could change the frequency to 434.45 if that would make it easier
[21:47] <FuzzyLemon> its easy to change
[21:47] <Upu> I think it would be safer
[21:47] <amell> it would be a good idea.
[21:47] <daveake> Check what else there is
[21:47] <Upu> if both were using MTX2's you'd be fine
[21:47] <FuzzyLemon> ok but now the flight doc will have even more mistakes on it
[21:48] <Upu> ah don't worry about that
[21:48] <amell> was xaben launching tomorrow?
[21:48] <Upu> Actually
[21:48] <Upu> you're ok FuzzyLemon
[21:48] <daveake> NTX2B
[21:48] <Upu> his is NTX2B
[21:48] <daveake> Yeah leave it at .500
[21:48] <Upu> you're NTX2B
[21:48] <Upu> so all good
[21:49] <FuzzyLemon> we are both NTX2B?
[21:49] <Upu> yup
[21:49] <FuzzyLemon> what does that mean?
[21:49] <daveake> yes all is good
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[21:49] <Upu> the transmitter on the Habduino
[21:49] <daveake> means they won't drift into each other
[21:49] <Upu> is a NTX2B
[21:49] <amell> xaben87 is on 434.550
[21:49] <Upu> (or a MTX2 if its newer)
[21:49] <FuzzyLemon> ok i'll leave it as .500 then
[21:49] <Upu> both have temperature compensated crystals
[21:49] <Upu> so they won't drift into each other
[21:49] <Upu> so all good
[21:49] <FuzzyLemon> cooooool!
[21:50] <Upu> you choose wisely :)
[21:50] <amell> three launches, all close together
[21:50] <Upu> its fine amell
[21:50] <daveake> there are 4 launches
[21:50] <amell> 4?!
[21:50] <daveake> 4
[21:50] <amell> two not in the calendar then
[21:50] <daveake> it's after 3
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[21:51] <daveake> The calendar is slow
[21:51] <amell> its before 5 though
[21:51] <daveake> mailing list says all
[21:52] <amell> is your 434.175 the fourth?
[21:53] <daveake> no it's the first
[21:53] <amell> of four
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[00:00] --- Thu Apr 23 2015