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[00:03] <eroomde> gloria in excelsior
[00:03] <eroomde> the hesitence to avoid putting things on the bottom side is notvalid for solder jumpers
[00:04] <Randomskk> yes, solder jumpers very happily sit on the bottom
[00:04] <eroomde> shifting them to the bottom buys me acres
[00:07] <eroomde> this adc has all sorts of wiredness config pins
[00:07] <eroomde> an internal digital FIR filter that seems to have been designed by someone who never quite got nyquist
[00:07] <Randomskk> :(
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[00:08] <eroomde> the cutoff frequency is half the sample rate, constrained, it seems to be
[00:08] <eroomde> which is fine in theory but not really in practice
[00:08] <eroomde> you want it like <=1/5 the sample rate
[00:08] <Randomskk> does depend a bit on your reconstruction filter n stuff
[00:08] <Randomskk> 1/5 seems overly conservative
[00:09] <Randomskk> this is just to stop aliasing?
[00:09] <eroomde> this is going on the shape of the FIR they give
[00:09] <eroomde> it's not that good
[00:09] <eroomde> yes, for antialiasing
[00:09] <eroomde> it was only like 20dB down at the sample rate freqeuncy
[00:09] <Randomskk> oh lol
[00:10] <eroomde> which is not stellar
[00:10] <Randomskk> yea that's pretty poor
[00:10] <eroomde> so we've put a nice 4 pole bessel in analog which has flat group delay
[00:11] <Randomskk> adc has other appealing features?
[00:11] <Randomskk> (active bessel with those opamps?)
[00:12] <eroomde> natch
[00:12] <eroomde> yeah it's nice in other respects
[00:13] <eroomde> the simultaneous sampling is nice, as customers always ask
[00:13] <Randomskk> I can imagine
[00:13] <eroomde> even though the sigproc person in me says it doesn't matter
[00:13] <Randomskk> you know what they say about customers :P
[00:13] <eroomde> and the noise performance is very good
[00:14] <eroomde> the interface is a bit cooky
[00:14] <eroomde> i think designed for DSPs that have quite configurable interfaces
[00:14] <eroomde> but you can basically just do SPI with it
[00:14] <eroomde> there's an 8 bit parallel interface too
[00:15] <eroomde> there's a random pin that pulses every time you read out 8 channels and wrap back
[00:15] <eroomde> so you can see it's designed with fpga's in mind
[00:15] <eroomde> but yeah, it's quite nice
[00:15] <eroomde> differential inputs
[00:15] <eroomde> hmm
[00:16] <eroomde> that's about it really
[00:16] <Randomskk> yea does sound like an fpga thing. still, fe
[00:16] <eroomde> decent onboard ref tho i'm using an external as we're shotting for 0.1% accurate b4 calibration
[00:16] <eroomde> i.e., don't need to bother with calibration for most instrumentation purposes
[00:16] <Randomskk> yup
[00:16] <Randomskk> how good is the internal one?
[00:18] <eroomde> not far off but not quite as good
[00:18] <eroomde> can't remember, tis in my logbook somewhere
[00:18] <eroomde> noise was a bit more
[00:19] <eroomde> accuracy was slightly looser
[00:19] <Randomskk> easy enough to stick an external reference on there I guess
[00:19] <Randomskk> right, bedtime
[00:19] <Randomskk> good luck with the rest of those airwires
[00:19] <eroomde> so it is
[00:19] <eroomde> ta
[00:19] <eroomde> i might give up tbh
[00:20] <eroomde> unsurprisingly
[00:20] <Randomskk> are you still at work?
[00:20] <eroomde> gotta put in a whole long day tomorrow
[00:20] <eroomde> yes
[00:20] <Randomskk> :|
[00:20] <Randomskk> yea it's a bit late and all
[00:20] <eroomde> it's because i love it so
[00:20] <Randomskk> I can totally see that happening to me
[00:20] <Randomskk> wombat kept me up til 6am or so
[00:21] <Randomskk> but when I started there was no pcb and when I finished it was all routed and parts sourced and ordered and PCB ordered and stencil ordered
[00:21] <eroomde> sadly i have another board to do tomorrow
[00:21] <eroomde> 2 infact
[00:21] <Randomskk> ouch
[00:21] <eroomde> happily they're both much simpler
[00:21] <eroomde> this is the one that counts
[00:21] <Randomskk> that's some consolation
[00:21] <eroomde> it has an exciting future :)
[00:21] <Randomskk> how fast is the SPI bus running to get that much data through?
[00:22] <Randomskk> 32ch and 16bps and 200ks/s is a lot
[00:22] <eroomde> not really
[00:22] <eroomde> oh sorry misread
[00:22] <eroomde> yes it is at 200
[00:22] <eroomde> but that's totally not necessary for getting the data i need
[00:22] <eroomde> 10kHz is more than enough
[00:22] <eroomde> and that's like 1MBit
[00:22] <Randomskk> ah okay, that's pretty fine then
[00:22] <Randomskk> yea
[00:22] <eroomde> which is squeezy peasy
[00:23] <Randomskk> well, have fun :P
[00:23] <Randomskk> not that I need to tell you
[00:23] <Randomskk> zzz
[00:23] <eroomde> thanks
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[05:07] <arko> evening
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[05:11] <arko> http://www.indiegogo.com/projects/mu-thermal-camera-the-greatest-tool-to-eliminate-energy-waste
[05:11] <arko> interesting
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[07:46] <gonzo_> any updates on a vortex launch today?
[07:46] <junderwood> going ahead if we can find a few minutes when it isn't chucking it down
[07:47] <number10> what height are you planning for junderwood
[07:47] <junderwood> 25 km and somewhere near 34 km
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[08:43] <Cie> With a bit of luck I might get some data decoded this time.
[08:43] Action: Cie waits :)
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[09:01] <gonzo_> thanks for the update junderwood. Will track
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[09:20] Nick change: daveake1 -> daveake
[09:21] <HixWork> is there a prediction for Vortex 4?
[09:22] <number10> if they launch at 11 - with the altitudes stated http://habhub.org/predict/#!/uuid=aa1d8aaea85536b3d8521c3de3dabdb35c86c243
[09:23] <number10> http://habhub.org/predict/#!/uuid=6cb2d0d4fabeb47486e67bbe026c20a761a9b7df
[09:23] <HixWork> ta, btw absolute zero prog on R4 at the mo
[09:23] <daveake> ah ta
[09:23] <daveake> edukation in the mornig
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[09:24] <craag> mattbrejza: Could I grab the antenna back off you at some point? Particulary the so239-bnc adaptor that is needed for my home antenna and I only have one of :P
[09:24] <HixWork> it's "In out time so" downloadable for those that missed the start
[09:25] <HixWork> oh, with the 34000 prediction, I may even pick that up in the office
[09:25] <daveake> Melvyn, stop trying to say "phenomenon" :)
[09:25] <number10> where is office HixWork ?
[09:27] <HixWork> Thames Effluent, just outside Basildon [Bas Vegas]
[09:27] <number10> nice
[09:28] <HixWork> mmm yeah :)
[09:28] <HixWork> Still i should have my crimp tool and pins today, shiny shiny tidy cabling
[09:30] <gonzo_> when you have a certain bulk of cable. It's impossible for it to be tidy, nomatter how shiney it is!
[09:31] <gonzo_> the undersade of my desk shocks even the most cluttered hams
[09:31] <fsphil> hide it under something
[09:32] <gonzo_> I do, the desk!
[09:33] <HixWork> deska and floors are not subject to tidy rules in my book. I was referring to my payload and general electronics tests.
[09:33] <gonzo_> have to post a photo. Even I am astounded by it all
[09:34] <HixWork> Ribbon cable and 0.1" terminals should keep things relatively neat whilst trying things out
[09:34] <mfa298> tidy cabling is usually s sign of some other problem
[09:35] <gonzo_> ah, yep. My actual kit is neatly built. It's the interconnectes that are taking over the world
[09:35] <number10> I would be careful of connectors on payload - especially if they are not locking
[09:36] <HixWork> just for testing, for flight, things will be glued/nailed/rivetted/atomically bonded etc etc
[09:36] <number10> on my first flight I knocked the gps connector just before launch - fortunately someone who was looking at spacenear mentioned that the position was not varying
[09:36] <HixWork> got smd led to indicate lock on pcb
[09:37] <number10> thats useful
[09:37] <HixWork> I'm not aiming for floats so batt life not critical
[09:40] <HixWork> aren't you out eastr Number10?
[09:40] <HixWork> east even
[09:43] <number10> yes, at work in cambs and essex/suffolk border at home HixWork
[09:44] <number10> unfortunately I have moved office - previous office I used to put an antenna out
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[09:52] <M0JCU> still on course for a Vortex launch at 11z
[09:53] <fsphil> roger charlie mike simon
[09:54] <NigelMoby> Yey
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[09:59] <jlgaddis> hey guys, question that i'm sure will be difficult to answer... if a few of us (friends and i) decided we wanted to do one of these balloon launches, what would be a rough ballpark figure of the costs involved (assume we have nothing starting out). $200-$300? $1000?
[10:00] <NigelMoby> well in the u.k around £250 for the first launch
[10:00] <NigelMoby> as we have to buy ssb capable receivers
[10:00] <NigelMoby> but ure in the u.s?
[10:01] <jlgaddis> yes
[10:02] <jlgaddis> i've been reading a *lot* lately about several launches that have been done and have a good idea of what all is needed, i just haven't began to start pricing anything out.
[10:02] <NigelMoby> you get to use Aprs which is generally cheaper as is the helium
[10:02] <jlgaddis> i assume, too, that some of the stuff can be used over and over again, so that'd reduce the costs of subsequent launches
[10:03] <jlgaddis> like, i see guys reusing cameras, gps receivers, etc.
[10:03] <NigelMoby> yup, probably safe to say $200 or there abouts.
[10:04] <HixWork> SDR shaves a big chunk out of the cost receiver wise
[10:04] <NigelMoby> true hix
[10:05] <HixWork> wish i'd known that before purchasing a badly hacked AR8000 :/
[10:05] <jlgaddis> i've read several articles that say to avoid hydrogen and use helium (at least at first), but not *why*. i'm sure there's a good reason, but i can't really figure out what it is.
[10:05] <Cie> Here we go, payload is on the map.
[10:05] <NigelMoby> h2 is volatile and explosive
[10:05] <daveake> Does anyone dare remove Oernen-II from the map? :)_
[10:06] <NigelMoby> helium is inert
[10:06] <jlgaddis> ahhh, that makes sense, thanks.
[10:06] <NigelMoby> lol do it dave
[10:06] <HixWork> daveake, XD
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[10:07] <daveake> nah can't :)
[10:07] <Babs_> Careful, they did that with Poland once and there was all sorts of trouble
[10:07] <daveake> (wel I can, but I can't, IYSWIM)
[10:07] <NigelMoby> lol
[10:08] <HixWork> heh
[10:08] <NigelMoby> hixwork what was badly done?
[10:08] <NigelMoby> to the ar8000...
[10:09] <HixWork> it had been pulled apart and sockets added and badly put back togehter, the 0.1" pins that connect the two boards had been bent
[10:09] <NigelMoby> oh eck
[10:09] <HixWork> it was just messily done.
[10:09] <HixWork> but I knew far less back then
[10:09] <HixWork> grrrr
[10:09] <NigelMoby> heh
[10:10] <HixWork> but I have 2 dongles now so it's all good
[10:11] <NigelMoby> I need to mod mine, get rid of that horrid connector
[10:11] <HixWork> dongle?
[10:11] <NigelMoby> yeah
[10:12] <HixWork> Upu got SMA long for em in his alladins cave
[10:12] <HixWork> Aladdin
[10:12] <NigelMoby> yup will order 1 later I think
[10:12] <HixWork> whichever
[10:13] <HixWork> got diode in your dongle, so to speak
[10:14] Nick change: shenki_ -> shenki
[10:15] <NigelMoby> yeah mine already has the diode
[10:16] <HixWork> For anyone looking for a dongle, these are a steal - http://goo.gl/tiBjo £8.65 including an SMA adaptor lead
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[10:18] <HixWork> Or http://goo.gl/v4VFo £9.15 that you can put Upu's connector on here http://goo.gl/KVO76
[10:20] <costyn> HixWork: what a strange site
[10:20] <costyn> HixWork: for that dongle to be on
[10:20] <HixWork> yup
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[10:23] <HixWork> costyn - think that's something the person who runs the store is in to, and happens to sell his interest as an add on to the normal product line
[10:24] <fsphil> cosycave?
[10:26] <HixWork> yeah
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[10:59] <S_Mark> Vortex up
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[11:02] <LazyLeopard> .077 is wiped out by noise from something here this morning.
[11:02] <LazyLeopard> VORTEX4 at 434.325.4 is a bit wobbly here, but not swamped by noise.
[11:03] <M0JCU> All payloads up
[11:03] <M0JCU> (but you worked that out anyway)
[11:04] <costyn> ping Upu
[11:05] <NigelMoby> costyn think he's afk most of today.
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[11:06] <LazyLeopard> Not hearing VORTEX3 and VORTEX might be there but is drowned by noise. VORTEX4 still wobbly
[11:07] <costyn> NigelMoby: ok, no worries. thx
[11:07] <M0JCU> Helioss is solid here.
[11:08] <M0JCU> The signal from Vortex 3 disappeared as we launched. I hope we didn't catch the switch :)
[11:09] <navrac_work> can hear vortex4 - but nothing else atm
[11:09] <gonzo_> you can check on recovery
[11:09] <gonzo_> good helios sigs
[11:10] <M0JCU> navrac_work, Vortex 4 is good :)
[11:10] <vortex_chase> should have a stronger VORTEX signal now
[11:10] <daveake> Helios and Vortex4 both great here; others not a sign
[11:12] <M0JCU> Vortex is on 434.077 but very faint
[11:12] <gonzo_> not getting solid decode on helips though, even with decent sigs
[11:13] <daveake> Actually vortex4 is fading in and out so not getting many decodes
[11:13] <Heloiss_chase> We're still getting partials off Helioss
[11:13] <M0JCU> have you checled the filter bandwidth?
[11:13] <daveake> Helios best for me
[11:13] <gonzo_> yep, was at 400hz, just wound iit out a bit more
[11:15] <M0JCU> daveake, please could you stick with Vortex4?
[11:15] <M0JCU> HelioSS is well covered
[11:17] <daveake> I have 2 recivers on Vortex4!
[11:17] <navrac_work> helios is strongest here - vortex4 fades a bit - no sign of vortex or vortex3 here
[11:17] <M0JCU> Thanks!
[11:17] <daveake> and on different aerials
[11:18] <M0JCU> I think Vortex must have a broken antenna. We'll find out about Vortex 3 later
[11:18] <gonzo_> all on the one balloon?
[11:19] <M0JCU> vortex_chase, Heloiss_chase prections at time of launch are still good.
[11:19] <M0JCU> Ascent rate is spot on prediction
[11:19] <M0JCU> gonzo_, all on one balloon
[11:19] <M0JCU> (for the time being ;) )
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[11:19] <daveake> Handy hint: When putting In/Out labels on a HABAmp box, put them on the box not the lid .....
[11:20] <fsphil> way ahead of you :)
[11:20] <daveake> lol
[11:20] <daveake> I thought I'd just leave it there and see who picks it up :)
[11:20] <M0JCU> vortex_chase, keep up the good work - you're the only ones receiving Vortex
[11:20] <vortex_chase> signal keeps cutting out :S
[11:20] <fsphil> hmm.. no live prediction
[11:24] <LazyLeopard> I get the impression these payloads are dancing about somewhat...
[11:24] <LazyLeopard> VORTEX4 is drifting like mad
[11:25] <M0JCU> It certainly could decide which way it wanted to go at launch
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[11:28] <daveake> Yeah I've had to increase the filter width on Vortex4
[11:28] <PE2G> Current VORTEX4 dial pls?
[11:28] <M0JCU> 434321
[11:28] <daveake> 434.323
[11:28] <M0JCU> and falling
[11:28] <PE2G> Thanks!
[11:28] <daveake> yeah falling ... go lower :)
[11:30] <fsphil> woo, predictions
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[11:30] <M0JCU> predicted burst at 12:08
[11:31] <fsphil> 12:18 now
[11:31] <Jess--> I'm impressed with the quality of signal from Helioss at 300 baud
[11:32] <Heloiss_chase> Heloiss chase is receieving helioss.
[11:32] <Heloiss_chase> Microphone config on laptop. grrrrg
[11:32] <sjohn> hello, what should the max weight be for the payload?
[11:32] <LazyLeopard> Argh! Where's the setting that lets fldigi folly RTTY in fequency gone...
[11:33] <navrac_work> vortex4 is very fadey - good partials but deep fades so missing odd bits
[11:33] <fsphil> LazyLeopard: "Dl Client"
[11:33] <LazyLeopard> No, it was the AFC button got unclicked somehow...
[11:33] <fsphil> ah
[11:33] <M0JCU> vortex4 should improve significantly after separation. The antenna is packed with the parachute at the moment
[11:34] <M0JCU> Vortex has no excuse for poor signal
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[11:35] <vortex_chase> what frequency a
[11:35] <LazyLeopard> There's S9 static on VORTEX's frequency here...
[11:35] <vortex_chase> re you on for GVORTEX, i can't get it
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[11:35] <x-f> sjohn, max weight is 2 kg, but you should keep it as low as possible for safety (and financial) reasons
[11:36] <M0JCU> vortex_chase, no luck with Vortex. I think the antenna is bust
[11:36] <M0JCU> Vortex 4 is OK. I suggest you switch
[11:36] <vortex_chase> ok, will do
[11:36] <M0JCU> 434320 at the moment
[11:37] <vortex_chase> ok
[11:37] <vortex_chase> got it
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[11:39] <Geoff-G8DHE_> Morning
[11:40] <sjohn> x-f if i have 1.5-2kg of payload, what balloon could i use, i looked at the wiki page but found up to 1kg payload balloons
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[11:43] <S_Mark> sjohn: if you look up cusf calculator on google you'll be able to try different configurations
[11:43] <jonsowman> http://cusf.co.uk/calc
[11:43] <x-f> what i was writing ^
[11:44] <sjohn> ok cheera
[11:44] <S_Mark> thanks, on my phone so no links lol
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[11:47] <daveake> sjohn 1.5kg+ is a tad heavy - what's going in it?
[11:49] <sjohn> heavy antenna
[11:50] <sjohn> is it legal, or do i need extra permission by caa
[11:50] <fsphil> heavy antenna? all you need is a strip of coax
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[11:52] <HixWork> Depleted Uranium Yagi sjohn ?
[11:53] <fsphil> monster cable make antennas now?
[11:53] <daveake> Yeah oxygen free polarised ones
[11:53] <Darkside> fsphil: isotropic radiators too
[11:53] <daveake> sjohn No you don't need special permission
[11:54] <daveake> sjohn However, the antenna need only be a few grams what's special about this one?
[11:54] <HixWork> just a big chute :)
[11:54] <gonzo_> are isotropic the ones in the roof space withwater and special lights?
[11:54] <sjohn> the antenna is 600grams
[11:54] <costyn> wat
[11:54] <daveake> What type? Why so heavy?
[11:54] <x-f> a small, stearable dish?
[11:54] <costyn> lol
[11:55] <gonzo_> sjohn, it really is a bad choice of antenna, in every way
[11:55] <griffonbot> @adamcudworth: Vortex4 flight being tracked using HABHUB iOS app - light grey line is live prediction #ukhas http://t.co/GGKleWpAl5 [http://twitter.com/adamcudworth/status/309633369761779712]
[11:55] <HixWork> sjohn http://goo.gl/hyaBB
[11:56] <daveake> sjohn a few grams of coax/wire work just fine you don't need anything else and I *seriously* advise against adding something that heavy without a very good reason
[11:56] <gonzo_> but make it from flexi wire, for weight saving and mor important, saftey
[11:57] <gonzo_> (and that design was for 144MHz, a 434MHz one will be smaller
[11:58] <daveake> From ze wiki: "We strive to construct as light a payload as possible - this both makes it safer in flight and on landing but also allows us to optimise our flights as we require less helium and can achieve even higher altitudes."
[11:59] <M0JCU> vortex_chase, change of destination
[11:59] <vortex_chase> JCU-does Vortex_chase need to update googlemaps?
[12:00] <M0JCU> yes
[12:00] <Elwell> didn't someone fly a slim jim recently?
[12:00] <costyn> balloons are also applicable to Lotus' Chapman's oft-stated philosophy of automotive design: "Simplify, then add lightness."
[12:00] <Heloiss_chase> In traffic
[12:00] <M0JCU> on M25? There's a surprise
[12:01] <M0JCU> 3 minutes to cut-down
[12:02] <Darkside> hrm
[12:02] <sjohn> its for antenna testing reasons, but altogether i am expecting 1.5kg, i was asking if it was legal?
[12:05] <sjohn> if it goes over i am certainly going to use the dipole strip of wire
[12:05] <M0JCU> going down
[12:05] <M0JCU> Cutdown worked
[12:05] <vortex_chase> good news
[12:06] <PE2G> At dx 512 km VORTEX4 difficult due to fading, HELIOSS undecodable due to local QRM
[12:06] <daveake> sjohn First test I would make is "is it too heavy for HAB?" Answer: Yes. End of testing.
[12:06] <mfa298> sjohn: I can't comment on legality but you might want to consider what happens to anything it comes down on especially if it's a bit fater than expected and lands on a person (think worst case scenarios)
[12:07] <S_Mark> vortex4 fast decent!
[12:07] <daveake> Vortex4 much better after cutdown :)
[12:07] <Elwell> yeah. Always put someone elses phone no on the patload (j/k)
[12:07] <daveake> S_Mark That speed is normal at that altitude
[12:07] <M0JCU> vortex_chase, sorry - back to original destination
[12:08] <vortex_chase> is that Wellingborough?
[12:08] <LazyLeopard> Wowo! Two green lines in succession! ;)
[12:08] <Heloiss_chase> good signal on helioss
[12:08] <Heloiss_chase> still same route?
[12:09] <S_Mark> daveake when does the thicker air take hold of the chute usually?
[12:09] <Jess--> might not be too popular dropping vortex 4 on cranfield, it's pretty busy as a training airfield
[12:09] <S_Mark> 20k?
[12:09] <M0JCU> vortex_chase, Rushden
[12:09] <vortex_chase> ok, thanks JCU
[12:09] <M0JCU> Heloiss_chase, just doing an updated prediction
[12:10] <navrac_work> Elwell - yes I've flown slim jims and jpoles before
[12:10] <gonzo_> M0JCU, is the cutdown commanded or gps controled?
[12:10] Action: LazyLeopard was just thinking that the descent was surprisingly gentle... ;)
[12:10] <PE7ER> yeay first decode at frame 1461 on helios!
[12:12] <M0JCU> gonzo_, GPS controlled. 25km + 30 seconds
[12:13] <M0JCU> Heloiss_chase, Current destination is perfect
[12:13] <daveake> S_Mark There's some maths, but basically if you take the rate at 20km and divide by 4, that's your landing speed. Normal landing speed 5m/s so you should see somewhere around 20m/s at 20km
[12:14] <Heloiss_chase> wilco m0jcu
[12:14] <S_Mark> daveake ah great, thanks!
[12:14] <x-f> half the descent speed at 10 km
[12:14] <daveake> yup
[12:15] <M0JCU> vortex_chase, you're not updating on the map
[12:15] <vortex_chase> driver getting coffee!
[12:15] <M0JCU> fsphil, any chance of updating the burst prediction for Helioss to 35km?
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[12:20] <PE7ER> burst helios?
[12:21] Action: M0NSA should not have his IRC client set to alert on "helios" when there is a Helioss flight...
[12:21] <M0JCU> Yes
[12:21] <PE7ER> tnx
[12:21] <Heloiss_chase> a10 or m11?
[12:22] <M0JCU> Royston
[12:23] <M0JCU> Heloiss_chase, marker updated
[12:24] <M0JCU> A10
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[12:25] <Heloiss_chase> wilco
[12:26] <M0JCU> vortex_chase, you have an update
[12:29] <vortex_chase> updated, thank-you
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[12:30] <fsphil> M0JCU: yea one sec
[12:34] <fsphil> oh I was too late :0
[12:34] <daveake> fsphil And this is new? :)
[12:35] <fsphil> it's become a tradition
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[12:36] <HixWork> Vortex4 doing its damndest to seek as much water to land ratio as possible?
[12:36] <daveake> Lunar started a trend
[12:36] <M0NSA> whats the current dial freq for vortex 4 please?
[12:36] <vortex_chase> 434.324
[12:37] <M0NSA> ta :)
[12:37] <HixWork> lunar started :)
[12:38] <gonzo_> going for max motorway/land ratio!
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[12:39] <daveake> Steve started that one
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[12:40] <gonzo_> thought that was powerlines/land?
[12:40] <daveake> that too
[12:41] <M0JCU> Heloiss_chase, map update
[12:42] <M0JCU> Heloiss_chase, landing prediction: 13:20
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[12:45] <Heloiss_chase> got new presdiction
[12:45] <Heloiss_chase> b1042
[12:46] <HixWork> Heloiss_chase, 52.1983, -0.14837 at 13:37 UTC
[12:46] <HixWork> Heloiss_chase, intersection B1040/B1046 Great Gransden
[12:48] <Heloiss_chase> ok. still following the map
[12:49] <M0JCU> Heloiss_chase, another map update
[12:49] <M0JCU> HixWork, are you trying to put me out of work :)
[12:49] <HixWork> ha, sorry :)
[12:49] <M0JCU> Prediction for Helioss is Arrington A603
[12:49] <vortex_chase> JCU have we got an update?
[12:51] <Heloiss_chase> OK
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[12:51] <Heloiss_chase> a603 artrington
[12:51] <Heloiss_chase> arrington
[12:52] <M0JCU> vortex_chase, map update
[12:52] <vortex_chase> thank-you
[12:55] <M0JCU> Heloiss_chase, map update
[12:56] <Heloiss_chase> thank you - looks like the same place
[12:58] <M0JCU> and again vortex_chase
[12:58] <M0JCU> Heloiss_chase, should be Great Gransden
[12:59] <Heloiss_chase> ok, got it
[12:59] <HixWork> Are dongles better off on a usb extension lead?
[13:00] <jonsowman> HixWork: yes I did find that
[13:00] <jonsowman> instead of being plugged into the side of my monitor
[13:00] <jonsowman> which has a noisy inverter for the CCFLs
[13:00] <HixWork> getting loads of random interference today, and thats on R4
[13:01] <HixWork> no point in even attempting the payloads
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[13:02] <M0JCU> vortex_chase, you should be heading North!
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[13:08] <mfa298> HixWork: I would tend to move the dongle as far away from noisy rf stuff (computer and monitor) as much as possible. Also because the USB lead isn't lossy for the signal but extra coax is.
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[13:10] <HixWork> yeah figured the pc here is spitting out lots of RF crap :)
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[13:14] <M0JCU> Heloiss_chase, map update
[13:15] <M0JCU> Heloiss_chase, Waresley
[13:16] <LazyLeopard> Right. Out of range...
[13:16] <Jess--> I lost vortex4 at 1212 metres
[13:18] <Babs_> Has anyone ever caught one of these things before it hit the ground? The HAB equivalent of a 60 kilometre American Football hail Mary throw?
[13:18] <Darkside> gotten very close
[13:18] <HixWork> I think rocketboy pretty much walked in on a landing a couple of weeks back
[13:19] <Darkside> http://projecthorus.org/wp-content/uploads/2010/07/IMG_09331.jpg
[13:19] <Darkside> we've had them land in front of us many times
[13:19] <Darkside> but usualyl on the other side of an annoyingly placed fence
[13:21] <Babs_> Darkside: cool. Fencewise, get this guy on the case, he'd make mincemeat of the fence http://farm1.static.flickr.com/181/440714703_a71488d368.jpg
[13:21] <Darkside> barbed wire fences :P
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[13:23] <Heloiss_chase> please send semaphore flags
[13:23] <Heloiss_chase> internet dark zone
[13:23] <HixWork> speaking of american football Vortex4 - Touchdown!!!!
[13:24] <Darkside> sleep time for me
[13:24] <Darkside> almost midnight
[13:24] <x-f> hmm.. how did Helioss solar panel voltage go negative for a while?
[13:24] <M0JCU> Heloiss_chase, map update and STOP!
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[13:25] <HixWork> oh noooo ,Warelsey wood
[13:27] <Heloiss_chase> will try - internet is weak
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[13:29] <M0JCU> Heloiss_chase, Great gransden if you can make it. Map updated
[13:31] <Heloiss_chase> g gransden ok
[13:33] <Heloiss_chase> tracjking bdown
[13:33] <M0NSA> it looks like it is heading for the trees...
[13:34] <Heloiss_chase> OK. Tracked it down to 119 m
[13:34] <Heloiss_chase> $$HELIOSS,2626,13:33:28,052.17499,-000.14748,00119,08,3, 6.7, 2.9,
[13:35] <M0JCU> Heloiss_chase, map updated missed the forest by 250m
[13:35] <daveake> Ground is at 60 metres
[13:36] <daveake> Probably on the ground otherwise they'd still be decoding
[13:37] <M0JCU> Thanks for tracking everyone. Vortex chase are walking to the payload at the moment
[13:37] <daveake> great
[13:37] <M0JCU> I think HelioSS chase will have to negotiate with the farmer :)
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[13:48] <number10> helioSS not far from foot path http://i.imgur.com/5uPkiee.png
[13:50] <HixWork> that memory map number10?
[13:50] <number10> yes
[13:51] <number10> I use it in the car chasing
[13:51] <number10> also if I am recieving the balloon I can do a tracklog
[13:52] <NigeyS> grr ignore microchu forgot microchu started in online mode, can someone wipe it off the tracker pls ?
[13:53] <daveake> done
[13:53] <HixWork> oh, cool, so you can integrate dl-fldigi with memory-map then?
[13:53] <NigeyS> tnx dave
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[13:56] <number10> no I take the data from fldigi and create a tracklog file which I can read into memory map HixWork
[13:57] <HixWork> ah ok, got a bit overexcited there :)
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[13:57] <number10> it would be good if you could
[13:59] <HixWork> thinking it'd be nice if you could outpur the data fromdl-fldigi to a virtual com port and have that acting as a virtual gps in MM...
[14:00] <gonzo_> interesting that they both did a little jump to the east before landing. Some odd wind shere ?
[14:01] <gonzo_> shear
[14:01] <M0JCU> vortex was going to the west of prediction all the way down
[14:01] <M0JCU> helioss less so but stil there
[14:01] <number10> I was thinking of doing that HixWork but I thought it was more useful to have your car position on the map and then enter the balloon position as a mark
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[14:07] <HixWork> both with a line joining indicating distance and bearing would be cool
[14:07] <HixWork> think daveake has something lik ethat in his carpc
[14:08] <number10> yes, here is a snap of the tracklog for helioss http://i.imgur.com/RmURt1p.jpg
[14:08] <number10> yes daveake has a screen with a pointer to the direction of the balloon
[14:08] <number10> one of many screens ;)
[14:08] <daveake> :)
[14:09] <number10> his next screen will have a pointer to the nearest fish and chip shop I hope
[14:09] <daveake> planned upgrade
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[14:09] <daveake> and nearest boatyard
[14:10] <HixWork> heh
[14:10] <number10> I hope we dont have one of those for a long while
[14:10] <HixWork> I've rememberd that I have an ipad app that can use it as an auxilliary screen for the laptop
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[14:11] <HixWork> so i can have dl-fldigi, SDR# and MM running for chase
[14:11] <number10> have you done a chase yet HixWork ?
[14:11] <HixWork> nope, I'm a HAB virgin
[14:12] <HixWork> the new Lunar if you will [well without the 5 years bit]
[14:12] <daveake> end of an era
[14:12] <HixWork> heh
[14:12] <number10> when you get setup, its a good idea to ask someone if you could chase their ballon if it happens to be landing not far from where you live
[14:13] <HixWork> if only there was an opensource routing system for openstreetmap
[14:13] <HixWork> that'd be great to integrate landing posn with
[14:13] <daveake> Good idea. WHen I did my first launch, I was reasonably well prepared for the launch itself, but not at all for the chase
[14:13] <number10> there is a way to do it withgoogle earth
[14:13] <HixWork> I've thought of it number10, but everything of late has been a distance away
[14:14] <HixWork> google earth relys on 3G though. I was trhinking purely offline
[14:14] <HixWork> as we all know, tech fails when you need it most
[14:14] <HixWork> hence I have a Silva compass on my climbing rucksac - old skool just works come hell or high water :)
[14:15] <number10> ah well _ somehow though google eeath you could locally stor some maps
[14:15] <Geoff-G8DHE_> You can cache a fair number of detailed maps in GE so it continues offline
[14:15] <number10> thought
[14:15] <HixWork> hmm.
[14:15] <HixWork> but the routing part would still need connection to the server i'd have thought
[14:15] <Geoff-G8DHE_> Just turn up the cache size, and then follow the route and the required levels.
[14:16] <Geoff-G8DHE_> I use it for planning phto shoots sunsets down valleys etc.
[14:16] <number10> as long as you are receiving the payload telemetry on fldigi you can extract the location and update a kml file
[14:16] <Geoff-G8DHE_> *photo
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[14:16] <Jess--> for chasing hot air balloons we have a laptop with OS maps loaded, and for when that fails we have a box in the back seat containing OS maps for the whole of england / wales, scotland
[14:17] <Randomskk> prepared
[14:17] <HixWork> can't beat an OS Map [well for mountains Harvey are better but hey ho]
[14:17] <Randomskk> I have all of the OSM maps on my handheld GPS with spare barreries
[14:17] <Randomskk> which works pretty well
[14:17] <HixWork> Garmin?
[14:18] <Randomskk> yea
[14:18] <Randomskk> dakota 20 iirc
[14:18] <Jess--> until some plonker runs it over with a 4wd (yes we had it happen)
[14:18] <Randomskk> haha
[14:18] <Randomskk> idk it has a pretty tough housing ;D
[14:18] <HixWork> OSM has killed Garmin's overpiriced mapping subs
[14:18] <HixWork> heh
[14:18] <M0JCU> HelioSS recovered. Negotiating with land owner for Vortex
[14:18] <Randomskk> yay!
[14:18] <HixWork> cool M0
[14:19] <Geoff-G8DHE_> right back later, work to do!
[14:19] <HixWork> That's just reminded me, a friend gave me his old tomtom to hack away as i saw fit, doesn't want it back
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[14:20] <HixWork> might put a Max6 in it
[14:20] <daveake> Hack in a method of setting the destination as where the balloon is (or will be) :)
[14:20] <HixWork> would be good if i had such skills
[14:20] <costyn> recalculating... recalculating... recalculating....
[14:20] <HixWork> heh
[14:21] <HixWork> good old dutch programming ;p
[14:21] <costyn> well, that's what it would say when the destination keeps changing every minute :)
[14:21] <costyn> especially if it's an old one, they're pretty slow with the route-calculating
[14:22] <HixWork> dont think tomtom are keen on releasing source either :)
[14:22] <M0JCU> Vortex recovered
[14:22] <costyn> indeed
[14:22] <HixWork> cool
[14:22] <costyn> M0JCU: yay
[14:22] <daveake> excellent
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[14:25] <fsphil> good news!
[14:26] <number10> well done
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[15:02] <LazyLeopard> Were negotiations a bit trickier than usual, I wonder... ;)
[15:03] <M0JCU> LazyLeopard, not trickier - just longer. Didn't even cost us a finders' bottle.
[15:04] <M0JCU> the payload was just the wrong side of an impassible hedge
[15:05] <M0JCU> so they walked all the way from the road to within sight of it, then had to walk back and attack from the other side
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[15:25] <LazyLeopard> Ah. Standard geocaching problem. ;)
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[15:38] <LazyLeopard> "It's 20ft that way." "Ah, you mean it's on the other side of that wall/river/chasm?"
[15:42] <x-f> eek
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[15:44] <daveake> New game: "Your payload is in a maze of fields, all the same"
[15:45] <fsphil> some fences are electrified
[15:45] <costyn> daveake: :)
[15:45] <fsphil> there is an angry bull
[15:45] Action: daveake touches fence ... xyzzy
[15:46] <daveake> Nothing happens
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[15:46] <mfa298> maze of fields or field of maize ?
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[15:47] <HixWork> number10 doesn't lik ehtat game
[15:47] <Elwell> copper pipe + short section of insulating foam on one end -- makes a v useful 'is this fence live' tester
[15:48] <HixWork> al fresco urination makes a bad tester
[15:48] <Elwell> depending on fetish
[15:48] <Elwell> .. allegedly
[15:48] <M0NSA> poking a fence with live bullets makes an even worse tester (yes, i know from experience, and no - it wan't me!)
[15:49] <M0NSA> I knew someone who pissed on an electric fence, was not a good experience for him
[15:51] <gonzo_> the farmers around my home town used to electrify the barbed wire too. Twas a bugger when you got your trousers caught on it when climbing over
[15:51] <HixWork> that used to be n alternative to russian roulette on my uncles farm in Ireland when i was a lad
[15:51] <daveake> I'm surprised that you lot are still alive!
[15:51] <gonzo_> as kids, we used to take a neon electricians screwdriver with us when creeping around places we shouldn't at night
[15:52] <HixWork> never done me any arm *twitch* *twitch*
[15:52] <gonzo_> natural selection dave
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[15:53] <gonzo_> I remember having to untangle my kegs from the wire, trying to time the actions with the flash of the screwdriver, whilst standing on tip toes to keep my plums from touching the spike
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[16:19] <arko> Uggg
[16:19] <arko> Morning...
[16:20] <NigeyS> hey arko
[16:20] <HixWork> HEY ARKO
[16:20] <HixWork> Oops, sorry, especially that early :)
[16:21] <HixWork> Thats the trouble with engineering drawings, they're all shouty
[16:21] <arko> Hehe
[16:21] <arko> Too early for class man, i hate this
[16:28] <arko> Birds cherping outside... :(
[16:28] <eroomde> raining outside
[16:28] <eroomde> pcb still not routed
[16:28] <eroomde> one of the outed regions is not the prettiest thing in the world and i can't quite figure out what little shuffle will make it all fall nicely into place
[16:30] <NigeyS> that the one you were working on last night Ed ?
[16:31] <eroomde> yes
[16:33] <fsphil> birds cherping outside is a good thing arko
[16:34] <arko> I knoq!
[16:34] <arko> Im not outside
[16:34] <eroomde> http://i.imgur.com/XkbeFgQ.png
[16:34] <arko> Thats the problem
[16:34] <fsphil> ah
[16:34] <arko> Wow
[16:34] <arko> Progress
[16:34] <arko> Nice work eroomde
[16:35] <eroomde> 17 airwires to go
[16:35] <arko> Heh
[16:36] <eroomde> then back up to 30 when i try and fix the mess on the bottom layer in the top right
[16:36] <jonsowman> rip it all up
[16:36] <jonsowman> :P
[16:36] <arko> Haha
[16:36] <jonsowman> it will be better next time
[16:36] <jonsowman> repeat
[16:36] <eroomde> i can see a couple of small changes that should rationalise it a bit already
[16:36] <eroomde> sadly it has to go to the fab house tonight
[16:36] <jonsowman> ah
[16:36] <jonsowman> right
[16:36] <eroomde> so i can have it at the beginning of next week
[16:37] <jonsowman> who's fab'ing it?
[16:37] <eroomde> pcb pool
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[16:37] <jonsowman> cool
[16:37] <eroomde> 3 working day service
[16:38] <jonsowman> :)
[16:39] <jonsowman> I do wonder how much wombat's 24 hour turnaround would have been if we'd paid
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[16:39] <jonsowman> not to mention the ENIG
[16:39] <eroomde> because i like to avoid crises by getting things done far in advance
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[16:39] <jonsowman> who doesn't
[16:39] <jonsowman> :p
[16:46] <daveake> Me too. Sometimes hours in advance
[16:46] <gonzo_> you'll never make it as managenment then
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[16:47] <eroomde> a prospect i greet with devesation
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[16:49] <HixWork> I rely on line of vision, or expected max braking distance, whichever is the nearer :)
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[17:00] <arko> Im staying farrr away from management
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[17:12] <WillDuckworth> how is that scream in space phone doing - anyone know?
[17:12] <Randomskk> the sat's okay
[17:13] <jonsowman> http://www.sstl.co.uk/News-and-Events?story=2132
[17:13] <Randomskk> they are turning on the phone in "days"
[17:13] <jonsowman> @surreynanosats if you care that much
[17:16] <Geoff-G8DHE> Anybody played with RTL_TCP and got the Gain to work ?
[17:17] <mfa298> It seemed to have some impact but the the settings in whatever you use as a front end might change that
[17:19] <Geoff-G8DHE> Changing the Gain direct to the device on YSB works fine, but tried out the TCP link lastnight and it all works but no apparent Gain control, it registers the request and displays the Gain asked for in the dos window, but no change appears ..
[17:19] <Geoff-G8DHE> *USB
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[17:22] <mfa298> from rtl_test I got the impression that the devices only support certain gain values
[17:25] <Geoff-G8DHE> Could be, I'm aking in #sdrsharp as well, I might try a wider range of values 0,,1,2,3,10,20, 30, 490 make no difference :-(
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[17:26] <mfa298> running rtl_test this is what my device reports
[17:26] <mfa298> Supported gain values (14): -1.0 1.5 4.0 6.5 9.0 11.5 14.0 16.5 19.0 21.5 24.0 29.0 34.0 42.0
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[17:27] <x-f> there is a slider for gain when using rtl_tcp in latest SDRsharp versions - device reports what gain values it has and you can set only those, no more input by hand
[17:27] <mfa298> The slider didn't work for me but I was using sdr# on windows and rtl_tcp on the pi
[17:28] <x-f> i had sdrsharp on windows and rtl_tcp on linux, worked for me
[17:29] <Geoff-G8DHE> Ah maybe I don't have the lastest sdrsharp any longer the slider appears on USB version but not TCP version on my release at present.
[17:30] <Geoff-G8DHE> Will go in search of current release
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[17:50] <Geoff-G8DHE> Ha just put the latest nightly in place and the Gain now works but what have they done to the Freq. control boxes ...... no fine tuning using up/down arrows ?
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[17:52] <x-f> you can fine tune, if you click or hover the frequency digits
[17:53] <x-f> not the greatest user experience, i agree
[17:55] <eroomde> boom
[17:55] <eroomde> http://i.imgur.com/KZCcXrh.png
[18:00] <Randomskk> hah nicely done
[18:00] <Randomskk> what's the 5x2 header for?
[18:00] <eroomde> this is no more air wires rather than finished
[18:00] <eroomde> bottom left?
[18:01] <Randomskk> yea
[18:01] <arko> nice work!
[18:01] <Randomskk> not that I see any other 5x2s :P
[18:01] <eroomde> the otherstuff a daughter, sensor specific card will need
[18:01] <arko> too bad you cant rest yet
[18:01] <eroomde> so the main connectors are just differential inputs
[18:01] <eroomde> ch0+, AGND, ch0-, AGND, ch1+... etc
[18:01] <arko> or maybe you can, but i tend to lose sleep worrying i forgot to run something
[18:02] <arko> schematic end really
[18:02] <eroomde> the 5 x 2 header has a low impedenace precision 10V ref, useful for exciting bridges or generating a constant current supply or whatever, based off the same ref the adc uses so it's always ratiomatric
[18:02] <eroomde> there's a +15V, -15V, and GND supply
[18:02] <eroomde> and then there's I2c for configuring random things
[18:02] <eroomde> eg an i2c temp sensor on the pressure sensor board for temp calibration
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[18:03] <Randomskk> cool, makes sense
[18:03] <eroomde> but could just as well be used for config, or one wire ident chips that we sometimes put in individual sensors so we know automatically what sensor is plugged into each channel, and then the pc can lookup calibrationd ata for that sensor automatically
[18:03] <eroomde> and label the legends on the graphs appropriately
[18:03] <eroomde> and so on
[18:04] <Randomskk> nice
[18:04] <eroomde> it just passes through the adc card from the back plane
[18:04] <eroomde> completely isolated
[18:04] <eroomde> and the adc part of this card is also galvanically isolated from the backpane
[18:04] <Randomskk> kinda weedy via to ground between those two capacitors on the +-15V going to the 5x2?
[18:04] <arko> what adc card are you using?
[18:04] <eroomde> so it can float with the host object
[18:04] <eroomde> arko: this is the adc card
[18:05] <eroomde> i just designed it
[18:05] <eroomde> Randomskk: top copper pour in that region still to be done
[18:05] <arko> wait what
[18:05] <arko> im confused now
[18:05] <eroomde> this card takes bridge-type sensors in on the left
[18:05] <arko> that chip it all leads to is an mpu or adc?
[18:05] <eroomde> and converts it to digital and interfaces to the backpane on the right
[18:05] <arko> does diff
[18:05] <eroomde> i can stack 4 of these cards vertically
[18:06] <arko> oh derp
[18:06] <arko> i get it
[18:06] <eroomde> and then put a little board with a microcontroller and ethernet bridge on the top to send all the samples back over ethernet
[18:06] <eroomde> yep that chip is just an adc
[18:07] <eroomde> Randomskk: it would work fine from a current point of view because the aux connector ground is connected back to the dc dc coverter brick on the bottom copper side, you can see
[18:07] <arko> ok cool
[18:07] <eroomde> but for emc reasons i want the loop to come back to by the output capacitors
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[18:07] <arko> how much data is that per second anyway?
[18:07] <eroomde> recall the top copper tracks are +15V and -15V, and GND is the bottom copper pour
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[18:08] <eroomde> from each card, 8 (channels) * 16(bits) * sampling freq, which probably wont ever need to go about 10kHz
[18:08] <eroomde> so that would be just over 1MBit
[18:08] <cuddykid> hey Upu
[18:08] <Upu> hi there
[18:09] <Cie> +c
[18:09] <Cie> heh or rather /c
[18:09] <cuddykid> Upu: any luck figuring out what I destroyed?!
[18:09] <Randomskk> also on the +15/-15V taps going to those test points (?) why do you even via the bottom one?
[18:09] <Upu> not yet I've renmoved the rfm but not had chance to go further yet
[18:09] <cuddykid> Upu: no worries - there's no rush :)
[18:09] <Randomskk> breaking up that ground plane :(
[18:10] <eroomde> i have no idea!
[18:10] <eroomde> total brain fart
[18:10] <eroomde> i suspect it made sense once then i moved something
[18:10] <Randomskk> might be worth moving the via on the top one closer to the trace so it runs less on the bottom
[18:10] <eroomde> however, as i say i've still to sort out the exact current path for that section
[18:10] <Randomskk> I really like the bit of ground plane under the i2c/whatever traces from the 5x2
[18:11] <Randomskk> it looks so neat :P
[18:11] <eroomde> as with high speed switching things it's all about the path to the final output cap
[18:11] <Randomskk> mm
[18:11] <eroomde> yes it's convenient that i can run that under the dc/dc
[18:11] <Randomskk> so long as that cap is well grounded, though, otherwise it doesn't really count as the final output cap :P
[18:12] <eroomde> it will be when i get round to the top pour and vias
[18:12] <Randomskk> mm I'm sure
[18:12] <Randomskk> is the SPI from the ADC going through isolators before the main connector there?
[18:12] <eroomde> yep
[18:12] <Randomskk> that's nice
[18:13] <eroomde> got about 15kV isolation between the backpane and the rest of the circuit
[18:13] <Randomskk> pretty happy pcb
[18:13] <eroomde> it's nearly there
[18:13] <eroomde> i don;t have to get the gerbers out tonight anymore
[18:13] <eroomde> which is good
[18:13] <eroomde> can wait till tomorrow as customer has delayed by 4 days
[18:13] <arko> bah
[18:13] <eroomde> buys me some time to sleep on it
[18:13] <arko> great timing to find that out
[18:14] <eroomde> yup!
[18:14] <arko> does it really push much data?
[18:14] <eroomde> i needn't be another late night at work
[18:14] <arko> <1mbps?
[18:14] <eroomde> i worked it out for you above
[18:14] <eroomde> just over 1MBit per board, 4 bours per box
[18:14] <eroomde> boards*
[18:15] <arko> oh crap, read right over that
[18:15] Action: arko not good at multitasking 4 things
[18:15] <eroomde> nothing particularly fast
[18:15] <arko> yeah
[18:15] <arko> very cool
[18:15] <eroomde> need to put an RC snubber on the output of the opamp that provides the 10V ref
[18:16] <arko> have you written a program on the other end to write it?
[18:16] <arko> i mean capture it*
[18:16] <eroomde> for capacitative loads
[18:16] <eroomde> yep
[18:16] <arko> sweet
[18:16] <eroomde> all our data logging stuff has worked like this for a while
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[18:16] <eroomde> this is just an increment on the capture hardware
[18:16] <arko> slow enough were you can get away with writing directly to HD
[18:16] <eroomde> yep
[18:16] <arko> very nice
[18:17] <eroomde> but i am working on an interface card based on an fpga that will use spacewire
[18:17] <eroomde> ssssshhhhhhh
[18:17] <arko> ha!!
[18:17] <arko> i was just thinking..
[18:17] <arko> feels like an fpga problem
[18:17] <arko> well, a problem that could use one
[18:19] <eroomde> sure, separating the adc cards from the interfacey bits makes it futureproof
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[18:19] <eroomde> looking at it for the gps/ins too, which can be many tens of MBit/s raw
[18:20] <eroomde> especially if you have several ditted around your hypothetical vehiclematron
[18:20] <eroomde> dotted*
[18:21] <arko> yeah, no necessary, but could add a good amount of flexibility
[18:22] <eroomde> that's how i sort of see it panning out
[18:22] <eroomde> provided i get round to doing it not on someone else's clock
[18:22] <eroomde> under time pressure
[18:22] <eroomde> where i tend to go for the simpler thing i already know
[18:23] <arko> yeah, i get ya
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[18:38] <eroomde> enough for today
[18:39] <eroomde> arko: what are you up to atm?
[18:42] <arko> setting up gnuradio
[18:42] <arko> all sorts of issues with it running in a vm
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[18:42] <eroomde> nice
[18:42] <arko> to the point where i want to buy a hd caddy and an ssd and ditch my bluray drive
[18:42] <arko> i got the gnuradio environment working fine
[18:42] <eroomde> io being the bottleneck in a vm?
[18:42] <arko> maybe i should fork over money and get the Ettus N210
[18:43] <eroomde> we're hoping to get a couple of them for something specific coming up
[18:43] <arko> usb passthrough issues
[18:43] <arko> so now im doing rtl-tcp
[18:43] <arko> in windows
[18:43] <arko> and passing it over the network
[18:43] <eroomde> ouch
[18:44] <arko> -_- yeah
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[18:52] <eroomde> arko: is this for general radio joy or something in particular?
[18:52] <arko> for fun
[18:52] <eroomde> cool
[18:52] <arko> thinking about making a gnuradio program for decoding our habs
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[18:52] <arko> thankfully it's all python
[18:52] <arko> so i can get google maps into the programs etc
[18:53] <arko> make the first aprs standalone decoder software that doesn't suck
[18:53] <arko> aprs.fi is awesome, but i need local decoding and maping on my machine
[18:54] <eroomde> yeah
[18:54] <eroomde> indeed
[18:54] <eroomde> that sounds like fun
[18:54] <hessu> agreed
[18:54] <Elwell> arko: https://github.com/gordonjcp/aprsmap - if you have a local feed
[18:55] <eroomde> heh, there's a name i haven't seen for a while
[18:55] <eroomde> he used to be a regular on ehre about 4 or 5 years ago
[18:55] <Elwell> still on freenode
[18:55] Nick change: hessu -> oh7lzb
[18:55] <eroomde> bless you
[18:56] <arko> yeah, but something to do both radio decode and map
[18:56] <arko> thanks for the link though
[18:56] <arko> this is nice
[18:58] <Elwell> could always make a HAB plugin that tailed the tracker...
[18:58] <eroomde> local everything is nice when chasing
[18:58] <eroomde> with patchy net coverage
[18:58] <arko> right
[18:58] <eroomde> local maps, local predictor, etc
[18:59] <arko> we have all sorts of problems out in the desert
[18:59] <arko> little net
[18:59] <arko> we have to use higher power since we have mountains
[18:59] <arko> next hab is 2W
[18:59] <arko> that launches in 3 weeks
[18:59] <Elwell> so soundmodem -> aprx -> aprsc <- aprsmap?
[18:59] <arko> that works
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[19:00] <dg9bfc> good evening
[19:00] <arko> hello
[19:00] Action: Elwell goes back to trying to choose something for a 16 year old birthday
[19:01] <eroomde> boy/girl/interests?
[19:01] <Elwell> girl, fashion shopping
[19:01] <dg9bfc> aehem ... just came online ... any news about vortex4?
[19:01] <Upu> recovered
[19:01] <eroomde> ah, well an technical IRC channel is definitely the right place to ask about that
[19:01] <Elwell> so new soldering iron or welder won't go down well
[19:01] <arko> Elwell: cant help there
[19:01] <arko> eroomde lol
[19:02] <dg9bfc> cool ... who found it?
[19:02] <Upu> dg9bfc Vortex4 was recovered I believe
[19:02] <Upu> not sure been afk all day
[19:02] <eroomde> by one of the vorticity staff
[19:02] <dg9bfc> is it ... or you believe that
[19:02] <Upu> no they got it
[19:03] <Upu> right need to afk to cook
[19:04] <dg9bfc> i helped with oernen :-) ... chattet with the team after touchdown (GOTCHA!) ... could copy sd card with all picture :-) yepp that was a nice hunt
[19:04] <eroomde> you met kevin?
[19:04] <eroomde> the man the myth the legend?
[19:04] <dg9bfc> yessssssssss
[19:04] <eroomde> wow
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[19:06] <dg9bfc> yepp .. i live cöose to both points (launch and touchdown ... during flight could send data but me and my friend andi thought "hey lets catch it" and so decoding stopped after a while from here
[19:06] <dg9bfc> but we decoded in car with laptop and dvbt stick
[19:06] <dg9bfc> decoded last position in navi ... and gotcha
[19:07] <dg9bfc> predicted point and real point was only 500m difference!!!!!!
[19:07] <dg9bfc> if i had known how precise that prediction was ... i would have been there earlier
[19:07] <dg9bfc> but anyway it was a real fun
[19:08] <dg9bfc> exchanged email adresses
[19:08] <eroomde> nice
[19:08] <dg9bfc> and i got a souvenier :-)
[19:08] <eroomde> the predictor isn't too bad!
[19:08] <dg9bfc> plus a few hunderd pictures
[19:09] <dg9bfc> it was VERY good cause they cut the line nstead of balloon burst
[19:09] <dg9bfc> i did not know that before
[19:09] <eroomde> it's been a huge help to habbing
[19:09] <eroomde> it used to be that you just let go and pray
[19:09] <eroomde> hope it didn;t land in a town
[19:10] <dg9bfc> they sure will do another one ... and i am prepared :-)))))
[19:10] <dg9bfc> waterlanding
[19:10] <eroomde> hehe
[19:10] <dg9bfc> but a captain of a ferry recovered it
[19:10] <eroomde> yes, my group used to launch from cambridge, and the winds generally took it north-east
[19:10] <dg9bfc> and no damage
[19:10] <eroomde> and there's not much between cambridge and water to the northeast
[19:11] <dg9bfc> normally we (a few friends and I) track weather ballons
[19:12] <eroomde> oh cool, so you're pretty experienced with their behaviour
[19:12] <dg9bfc> but a day before lauch i got a notam from one of my hunting friends about the lauch of oernen
[19:12] <dg9bfc> yes i am experienced with weatehr ballon ...
[19:12] <eroomde> random general question - has anyone ever come across DIP chip sockets that have 90 degree legs?
[19:12] <dg9bfc> and .... we have to have a more precise transmitter
[19:13] <eroomde> eg if you have a dip bar of LEDs that you want to mount on a board edge
[19:13] <eroomde> what was wrong with your transmitter?
[19:13] <dg9bfc> it shifted bad in frequency
[19:14] <dg9bfc> so i had to retune every few seconds even with afc on dlfldigi switched on
[19:14] <eroomde> ah yes
[19:14] <eroomde> usually if the transmitters on the balloon are not very well thermally inslated they can drift around
[19:14] <eroomde> by several kHz
[19:14] <dg9bfc> and ... i had to retune shift and bw of filter for any good decode
[19:15] <dg9bfc> yes ... and that is bad when it shifts so much
[19:15] <bertrik> dg9bfc: I can receive a weather balloon every weekday from the national weather service, except it's at a not-so-convenient time (around 00:30 at night)
[19:16] <dg9bfc> i thought i could drive to landing spot and the decoding here at home would work ... but it stopped
[19:16] <bertrik> and there's no open-source software to decode it (as far as I know)
[19:16] <dg9bfc> otherwise complete track would be online
[19:17] <dg9bfc> no ... but why not use sondemonitor??
[19:17] <dg9bfc> bertrik ... email me pls direct
[19:17] <dg9bfc> call at freenet dot de
[19:19] <dg9bfc> i can receive 4 different stations all at good distances and from different directions ... so if wind comes from here or from there .. nearly everyday i have a good chance :-)
[19:19] <dg9bfc> a station in all 4 directions of compass rose :-)
[19:23] <dg9bfc> sadly i did not know about vortex 4 :-(
[19:23] <dg9bfc> otherwise i had been there :-)
[19:23] <x-f> you should join UKHAS mailing list - people announce their flights there
[19:24] <eroomde> yes, the mailing list is where all the flights are coordinated and announced
[19:24] <x-f> http://groups.google.com/group/ukhas
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[20:16] <chrisstubbs> Evening Upu
[20:18] <Upu> evening chrisstubbs
[20:19] <chrisstubbs> I saw on the ublox UKHAS page you mention the NEO-6. Have you used them before?
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[20:32] <Upu> hey chris_99
[20:32] <Upu> dur
[20:32] <Upu> chrisstubbs
[20:32] <Upu> yes we used them before the MAX modules
[20:32] <Upu> identical performance
[20:33] <chrisstubbs> oo awesome, picked one up for £11 yesterday! :)
[20:33] <Upu> i still have a breakout for it if you want one
[20:33] <Upu> neo6m or 6q ?
[20:34] <chrisstubbs> 6m
[20:34] <Upu> yeah the cheaper one
[20:34] <Upu> doesn't have a TXCO
[20:34] <Upu> still works fine though
[20:34] <chrisstubbs> TXCO?
[20:35] <Upu> Temperature-Compensated Crystal Oscillator
[20:35] <Upu> May just slow lock times down
[20:35] <chrisstubbs> ah fair play
[20:35] <chrisstubbs> Will it work ok with your SMD chip antenna?
[20:36] <Upu> yep
[20:36] <chrisstubbs> Perfect :) You should have an order coming up soon for a few bits for me and domlin if all goes according to plan
[20:37] <chrisstubbs> Would it still be ok to order a handful of SMD bits like crystals, caps and resistors with it too?
[20:37] <Upu> cool thx
[20:37] <Upu> yeah just tell me what you want and I'll work out how much
[20:39] <chrisstubbs> thank you. going to home etch an "el-cheapo tracker" for dom. if it all works ok i will probably get some boards made up from hackvana (at last) :)
[20:39] <Upu> the foot print for the NEO is my Github library for Eagle
[20:39] <chrisstubbs> oh thats what i was meaning to ask. Do you have any SMD 3v3 low dropout regs in stock?
[20:40] <Upu> yeah
[20:40] <chrisstubbs> Yeah i found that thanks, saved a lot of work drawing pads etc :)
[20:40] <Upu> SOT23 ones
[20:40] <Upu> I think I'll have to check
[20:41] <chrisstubbs> Great, could you find me a price and the part number so i can stick it into the design please :)
[20:41] <Upu> sure
[20:41] <Upu> LDO ?
[20:41] <chrisstubbs> yes please
[20:42] <chrisstubbs> out of interest, would the LDO be ok being powered by 2x energiser AAA or would it need 3 to get above the dropout point for long enough to last a flight?
[20:43] <Upu> depends on how low the low in the regulator is
[20:43] <Upu> some are 250mV drop
[20:43] <Upu> you need 3 really
[20:43] <Upu> as energizers go from about 1.7v to 0.9v
[20:44] <chrisstubbs> ok thanks will bear that in mind. I dont suppose those regulators are in your eagle lib are they?
[20:45] <Upu> 1 sec let me check the ones I use
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[20:46] <Upu> not that one
[20:46] <Upu> its not enough for a payload
[20:47] <chrisstubbs> not enough mA?
[20:47] <Upu> yup
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[20:47] <Lunar_Lander> hello
[20:47] <Upu> I have piles of these left : http://www.ti.com/lit/ds/symlink/lm1117-n.pdf
[20:47] <Upu> evening Lunar
[20:47] <Lunar_Lander> how are you?
[20:47] <chrisstubbs> howdy lunar
[20:47] <Upu> well thanks
[20:47] <x-f> hi, Lunar
[20:48] <chrisstubbs> upu, smd version?
[20:48] <Lunar_Lander> hi chrisstubbs and x-f
[20:48] <Lunar_Lander> what are you up to?
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[20:48] <x-f> LL, what was the "error" field on you payload?
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[20:48] <Upu> not evne sure they are suitbale
[20:48] <Lunar_Lander> ah that was from EURUS
[20:48] <Upu> bah typing
[20:48] <Lunar_Lander> when it was 0, everything was OK with the GPS
[20:48] <Lunar_Lander> 44 was an impossible time for example
[20:48] <Lunar_Lander> or so
[20:48] <Lunar_Lander> or 4
[20:49] <x-f> ah so
[20:49] <Upu> not for 4.5v input
[20:49] <chrisstubbs> :( shame, the 1.2v dropout seems very high for a "low dropout"
[20:51] <Upu> Generally TI do good ones
[20:51] <Upu> www.ti.com
[20:51] <chrisstubbs> Lunar, currently designing a SMD tracker board for domlin as cheap as possible
[20:52] <Lunar_Lander> yea
[20:52] <Lunar_Lander> sounds good
[20:53] <chrisstubbs> Im tempted just to solder a thru hole TS2950CT-3.3 onto some pads
[20:53] <chrisstubbs> 150ma should be enough
[20:53] <NigeyS> chrisstubbs
[20:53] <NigeyS> http://uk.farnell.com/analog-devices/adp122aujz-3-3-r7/ic-ldo-3-3v-0-3a-5tsot/dp/1858064
[20:53] <NigeyS> would work to
[20:54] <NigeyS> 300ma, dropout is 85mV
[20:54] <NigeyS> max voltage in only 5.5 though
[20:54] <Lunar_Lander> hey NigeyS
[20:54] <NigeyS> lo kev
[20:54] <Lunar_Lander> how are you?
[20:54] <NigeyS> fine ta
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[20:54] <chrisstubbs> good price + suitable features, but farnells £20 minimum order thing puts me off
[20:54] <Randomskk> tried Rapid?
[20:54] <Upu> chrisstubbs samples :)
[20:54] <Randomskk> www.rapidonline.co.uk probably have something suitable
[20:55] <chrisstubbs> upu good plan, i will have a look! Atmel seem to enjoy sending me samples ;)
[20:57] <Lunar_Lander> NigeyS, me too, glad that I finally made it
[20:57] <Lunar_Lander> xD
[20:58] <NigeyS> :0 you did well, congrats
[20:59] <Lunar_Lander> thanks :)
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[21:02] <anerDev> hi guys !
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[21:05] <Lunar_Lander> hello
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[21:09] #highaltitude: mode change '+o jonsowman' by ChanServ!ChanServ@services.
[21:09] Topic changed on #highaltitude by jonsowman!jonsowman@kryten.hexoc.com: Welcome to #highaltitude - discuss anything to do with high altitude projects (balloons, gliders, etc) www.ukhas.org.uk - Horizon 2 Launch 1000ISH 09/03/13 from Walsall, UK
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[21:24] <chrisstubbs> samples ordered :)
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[21:32] <anerDev> guys, this is a good yagi for receive the signal from ntx2 ?? http://www.ebay.it/itm/250826224761?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
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[21:39] <mfa298> anerDev: likely to be reasonable for direction finding but if you're using it from a base location it will need to be pointed in the payload direction to work.
[21:40] <anerDev> yes yes, this is the priciple of yagi antenna !
[21:40] <mfa298> I get worried when antennas like that have such a big bandwidth value but for the price it's likely to be reasonable.
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[21:41] <anerDev> advice about buy it ?
[21:41] <mfa298> I just wanted to ensure you understood that it's directional
[21:41] <mfa298> in what situation are you planning on using it ?
[21:41] <mfa298> (i.e. base location or out mobile)
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[21:51] <Upu> Lunar_Lander can we remove Oernen from spacenear.us ?
[21:53] <Lunar_Lander> yes
[21:53] <Upu> ta
[21:55] <daveake> awe
[21:55] <daveake> mothball it start a new one :)
[21:55] <Upu> haha
[21:58] <Lunar_Lander> xD
[21:58] <daveake> spacenear.xd
[21:58] <Upu> lol
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[22:05] <anerDev> mfa298 yes, i understand that is a directional antenna !
[22:05] <anerDev> I using in mobile situation
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[22:06] <mfa298> anerDev: in that case its likely to be useful.
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[22:06] <anerDev> but
[22:07] <anerDev> the best is ground plane or yagi in mobile situation ?
[22:07] <mfa298> anerDev: it really depends on what you want to do.
[22:07] <anerDev> for example ?
[22:07] <x-f> you can't really use yagi while in a car
[22:07] <mfa298> I would use something that's omni directional on the car (not a yagi)
[22:08] <anerDev> in a car the groundplane is best ?
[22:08] <mfa298> but when you're on the ground the directional antenna like a yagi can be useful to work out what direction the signal is in
[22:08] <SpeedEvil> x-f: drill a hole in the roof
[22:09] <mfa298> what you're calling a groundplan antenna is one form of omni directional antenna
[22:09] Nick change: daveake1 -> daveake
[22:09] <x-f> SpeedEvil, yeah, i've seen Darkside's pimped ride :)
[22:10] <anerDev> :/
[22:10] <anerDev> I have a problem
[22:10] <SpeedEvil> x-f: bus drivers get real pissy though.
[22:11] <mfa298> for a car you want something thats omni directional with a vertical polarisation.
[22:11] <anerDev> because where I am there are hills and mountain I mo
[22:11] <mfa298> some sort of magmount antenna is best
[22:11] <anerDev> i move for keep the signal from ntx2
[22:11] <anerDev> for now I'm using a groun plane antenna
[22:12] <anerDev> but my doubt was "the best is ground plane or yagi ?"
[22:12] <mfa298> at 433MHz the signals are mostly line of sight. To get a good fix on where it lands you need to be fairly close.
[22:12] <anerDev> yes yes
[22:12] <mfa298> a good yagi may help with a marginal signal
[22:13] <anerDev> but for receive the signal the best solution is the yagi ? not the ground plane, or no ?
[22:13] <chrisstubbs> I think i have finished the schematic for a basic tracker, if anyone would be willing to take a look and point out any errors they may see with fresh eyes that would be much appreciated :)
[22:13] <chrisstubbs> http://chris-stubbs.co.uk/hab/SMDSCH.jpg
[22:13] <mfa298> however a decent colinear will have similar gain to the yagi you linked to
[22:14] <anerDev> but colinear antenna I can't use in the car !
[22:14] <anerDev> I can build and mount on my house
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[22:17] <mfa298> for mobile in a car I'd use something like http://www.eham.net/reviews/detail/3129
[22:17] <daveake> Yup
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[22:18] <anerDev> I save this in my bookmarks
[22:18] <anerDev> so, my ground plane is this: http://www.aurelwireless.com/wp-content/uploads/shortform/650200313G_sf.pdf
[22:20] <mfa298> that might not be so easy to use on a car as you'd need to fix it somehow. It also give very little info about it (radiation patterns, gain)
[22:21] <mfa298> the one I linked to has a magnetic base so you can put it on almost any car easily
[22:21] <daveake> Yep. Definitely the way to go for a car
[22:22] <anerDev> mfa298 where can I buy your model ?
[22:22] <mfa298> Search google, most ham shops should have something similar
[22:23] <anerDev> ok I'm searching ?
[22:23] <mfa298> Look for a ham 70cms or 2/70 magmount antenna
[22:23] <daveake> Or, a little less gain and a little less directional, http://www.ebay.co.uk/itm/3db-Antenna-aerial-433Mhz-RP-SMA-F-with-Magnetic-base-Ham-radio-/290868517257?pt=UK_Computing_Boosters_Extenders_Antennas&hash=item43b91d5989
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[22:25] <mfa298> that comet one was just the first one I found looking at my local ham shops website - (and I've got something similar)
[22:25] <anerDev> i found this
[22:25] <anerDev> http://www.ebay.it/itm/2m-70cm-144-430MHz-Micro-Mount-Ham-Radio-Mobile-Antenna-/390450980727?pt=UK_Mobile_Phones_Communication_Radio_Antennas&hash=item5ae8b12777&_uhb=1#ht_500wt_1081
[22:25] <daveake> Yes, I have that model. Works well
[22:26] <anerDev> fantastic !
[22:26] <anerDev> but I0m confused
[22:26] <mfa298> anerDev: that looks like a good one
[22:26] <jonsowman> http://cpc.farnell.com/watson/wsm-270/wsm-270-mini-mag-antenna/dp/IT44456?in_merch=Products%20From%20This%20Range
[22:26] <anerDev> where is the best situation for use yagi antenna ?
[22:27] <jonsowman> cheaper ^
[22:27] <daveake> And in stock for a change :)
[22:27] <mfa298> yagi is good if there's a weak signal (a good yagi will have a higher gain than an omni directional antenna)
[22:27] <Upu> http://www.radioworld.co.uk/catalog/tonna_220329_pro-xl_29_elements_antenna_430_to_440_mhz-p-7777.html?osCsid=ef25cfce3064a6b81791b3b5df1819c6
[22:27] <daveake> Yagi is dorectional so it's handy when direction-finding after the payload has landed
[22:27] <jonsowman> 29 elem
[22:28] <jonsowman> wow
[22:28] <Upu> nice and portable
[22:28] <mfa298> yagi is also good if you can't decode so you can workout where it is by direction finding
[22:28] <jonsowman> yes, a mere 5m long
[22:28] <anerDev> the summary is:
[22:28] <daveake> Even the Shogun wouldn't accomodate that thing :)
[22:28] <chrisstubbs> awesome idea: cherry picker chase car
[22:28] <anerDev> yagi antenna: for weak signal
[22:28] <chrisstubbs> antenna on the top ;)
[22:29] <Upu> someone posted something like that chrisstubbs
[22:29] <daveake> and rotator :)
[22:29] <anerDev> groundplane antenna: general purpose (car, house, ..)
[22:29] <chrisstubbs> oh what
[22:29] <chrisstubbs> lmao
[22:29] <anerDev> colinear: for house
[22:29] <anerDev> is correct ?
[22:29] <jonsowman> roughly so
[22:29] <Upu> http://www.ebay.co.uk/itm/Iveco-Van-With-Cherry-Picker-/251236028727?pt=UK_CarsParts_Vehicles_CommercialVehicleParts_SM&hash=item3a7ed59137
[22:29] <daveake> magmount for car; not the gp-radial one you linked to
[22:29] <mfa298> something omni dirctional for house and car (unless you want to spend big bucks)
[22:30] <jonsowman> Upu: you need flossie
[22:30] <Upu> link ?
[22:30] <jonsowman> http://farm5.static.flickr.com/4132/4971812126_249dd51b7a.jpg
[22:30] <Upu> haha
[22:30] <daveake> "Chase car seems to have stopped at a bridge"
[22:30] <Upu> the 'f' stands for flipping
[22:30] <jonsowman> owned by CUWS
[22:31] <jonsowman> not sure why Flossie
[22:31] <jonsowman> daveake: oh it's all retractable
[22:31] <mfa298> That yagi Upu linked to look good, Now I just need the few 100k for a house to put it on :p
[22:31] <Upu> well if you're going to play antenna dick wagging thats going to win :)
[22:31] <jonsowman> totally
[22:32] <jonsowman> http://farm5.staticflickr.com/4006/4686560166_34e8796d7e_b.jpg
[22:32] <anerDev> when i went in Oxford (1 year ago), in the auto park I watched the same antenna: http://farm5.static.flickr.com/4132/4971812126_249dd51b7a.jpg
[22:32] <anerDev> this is colinar antenne ?
[22:32] <anerDev> antenna ?
[22:32] <jonsowman> I think that's a yagi at the top
[22:33] <jonsowman> might be a dipole
[22:33] <natrium42> hey guys
[22:33] <mfa298> anerDev: colinears tend to be a vertical white stick
[22:33] <anerDev> ok
[22:33] <mfa298> as are a few other designs of vertial antenna
[22:33] <Upu> hi there natrium42
[22:34] <anerDev> tomorrow I will buy a book
[22:34] <anerDev> for study the variuous antenna !
[22:34] <anerDev> =D
[22:34] <anerDev> thank you guys for all, we meet tomorrow !
[22:34] <anerDev> good night
[22:34] <mfa298> anerDev: it could be worth looking up local ham clubs
[22:35] <mfa298> as they're likely to have some people who are into antennas
[22:35] <anerDev> there isn't where I'm
[22:35] <anerDev> my town is Capo d'Orlando (Messina, Sicily) !
[22:35] <mfa298> or try and make contact with local hams (there's likely to be a few around)
[22:36] <anerDev> tomorrow I will search ! But I don't think there is a people near my town :/
[22:37] <natrium42> where are you based, anerDev?
[22:38] <anerDev> Capo d'Orlando, Sicily (one moment, I oput the gmaps link)
[22:38] <anerDev> https://maps.google.it/maps?q=capo+d'orlando+via+consolare+antica+650&hl=it&sll=37.151867,13.789064&sspn=6.889235,15.820313&hnear=Via+Consolare+Antica,+650,+Capo+D'orlando,+Messina,+Sicilia&t=m&z=17
[22:41] <anerDev> good night guys
[22:41] <chrisstubbs> Night anerDev!
[22:41] <anerDev> meet tomorrow :D
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[22:43] <chrisstubbs> Upu would it bee too much trouble to ask you a question about the NEO6 breakout board?
[22:43] <chrisstubbs> if your busy dw it can wait
[22:47] <natrium42> Upu: sorry i neglected you guys :)
[22:47] <natrium42> i saw that there were a lot of launches
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[22:53] <chrisstubbs> night all
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[22:54] <chrisstubbs> cheers for the help as usual
[22:55] <Lunar_Lander> yea
[22:55] <Lunar_Lander> ::)
[22:55] <Lunar_Lander> :)
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[00:00] --- Fri Mar 8 2013