highaltitude.log.20120305

[00:01] <natrium42> D-Dawg!
[00:01] <natrium42> did servers get fixed? :)
[00:01] <Dan-K2VOL> hey alexei
[00:01] <natrium42> how are you?
[00:02] <Dan-K2VOL> I think so, now I'm teamviewered in, and troubleshooting the I2C bus being stuck
[00:02] <Dan-K2VOL> doing great
[00:02] <Dan-K2VOL> in NYC for a few months
[00:02] <natrium42> sweet, enjoying city life?
[00:02] <Dan-K2VOL> I am! quite a lot
[00:03] <Dan-K2VOL> trains > cars
[00:03] <natrium42> :D
[00:03] <natrium42> well, i am in SF right now
[00:03] <natrium42> came here to vote against putin
[00:03] <natrium42> and decided to spend a few hours in the city
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[00:03] <natrium42> SF is weird, streets go up and down
[00:04] <natrium42> :)
[00:04] <natrium42> not great for walking
[00:05] <Dan-K2VOL> haha putin?
[00:05] <Dan-K2VOL> oh yeah, sf is a tough walk
[00:06] <natrium42> bill's HF launch was nice
[00:07] <natrium42> do you know which Tx he used?
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[04:15] <Dan-K2VOL> hey
[04:16] <Dan-K2VOL> trans-atlantic mayday in progress on NAT
[04:16] <Dan-K2VOL> Liveatc.net
[04:16] <Dan-K2VOL> engine failure
[04:16] <Dan-K2VOL> NAT-A stream
[04:17] <Dan-K2VOL> 3016khz
[04:20] <Dan-K2VOL> http://www.liveatc.net/feedindex.php?type=hf
[04:25] <Darkside> would be good if i could actually load the stream
[04:25] <Darkside> but it doesnt work
[04:25] <Darkside> wait, ithink i just got the link
[04:25] <Darkside> ok
[04:25] <Pavix> Anyone from the US here that has their HAM license?
[04:27] <Darkside> Dan-K2VOL: so whats going on
[04:27] <Dan-K2VOL> engine failure
[04:27] <Dan-K2VOL> I think it was egypt air, being relayed by a shamrock air pilot
[04:27] <Darkside> not quite sure what i'm hearing here
[04:27] <Dan-K2VOL> descending
[04:28] <Dan-K2VOL> keep heard on Atlantic Oceanic (NAT-A)
[04:28] <Dan-K2VOL> they were on Track V(Victor)
[04:29] <Dan-K2VOL> I think between 28W and 25W longitude
[04:30] <Dan-K2VOL> you're hearing the shortwave trans-atlantic aircraft to ATC frequencies
[04:31] <Darkside> ok
[04:31] <Dan-K2VOL> the NAT stands for north atlantic tracks
[04:33] <Dan-K2VOL> http://www.turbulenceforecast.com/maps/atlantic_east.gif
[04:33] <Dan-K2VOL> victor is the second track from the top
[04:34] <Dan-K2VOL> The irish accent I think is Shanwick Control
[04:36] <Dan-K2VOL> this may be it http://flightaware.com/live/fleet/MSR
[04:37] <Dan-K2VOL> http://flightaware.com/live/flight/MSR986
[04:37] <Dan-K2VOL> not entirely sure that is the one who called mayday though
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[04:50] <Darkside> Dan-K2VOL: have you heard anything more?
[04:50] <Dan-K2VOL> no, I think they handed them off to a different frequency, the stream should change freq at the hour I think
[04:50] <Dan-K2VOL> been listening closely
[04:51] <Dan-K2VOL> frequencies: http://www.canairradio.com/hf.html
[05:04] <Dan-K2VOL> landing Shanon airport in 2 minutes
[05:05] <Dan-K2VOL> listen to Shanon Tower in Ireland
[05:05] <Dan-K2VOL> or shanon approach
[05:05] <Darkside> ?
[05:05] <Darkside> so what happened about the mayday?
[05:05] <Dan-K2VOL> that's the plane
[05:05] <Darkside> so its making a landing early?
[05:06] <Dan-K2VOL> airport code EINN
[05:06] <Dan-K2VOL> high approach just mentioned it
[05:07] <Dan-K2VOL> just stopped
[05:07] <Dan-K2VOL> it was egypt air flight 986
[05:07] <Dan-K2VOL> http://www.liveatc.net/search/?icao=EINN
[05:07] <Dan-K2VOL> stream at bottom
[05:08] <Dan-K2VOL> rescue vehicles following
[05:08] <Dan-K2VOL> confirmed engine 2 failed
[05:08] <Dan-K2VOL> taxiiing now
[05:08] <Dan-K2VOL> doesn't seem to be in any trouble though
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[05:13] <Dan-K2VOL> Confirmed, Egyptair Flight 986 just landed at Shanon Ireland engine 2 failed, otherwise ok. Boeing 777-300ER
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[08:23] Nick change: daveake_ -> daveake
[08:32] <eroomde> morning
[08:32] <daveake> sadly true :)
[08:32] <eroomde> :)
[08:32] <eroomde> i am about to go for a run!
[08:33] <eroomde> i am all happy and positive and morningy
[08:33] <daveake> You sound it! Must be all this exercise stuff
[08:33] <eroomde> yes let's hope
[08:34] <eroomde> thanks natrium42
[08:34] <UpuWork> morning
[08:35] <eroomde> morning UpuWork
[08:35] <eroomde> hopefully an order coming your way today
[08:35] <eroomde> the boards should arrive
[08:35] <eroomde> once i've given them a visual inspection (didn't pony up for electric testing) i'll get buying parts
[08:35] <UpuWork> ok cool
[08:35] <UpuWork> if you get it to me before 12 it'll be posted today
[08:36] <eroomde> ah ok grand
[08:36] <eroomde> thanks
[08:37] <eroomde> i shall try and do that
[08:37] <eroomde> one day you'll be farnell
[08:37] <eroomde> order up to 8pm for next day
[08:37] <daveake> What, with a dead website?
[08:37] <daveake> http://www.youtube.com/watch?v=7mY5P8EwYUw
[08:39] <eroomde> i saw that :)
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[08:45] <griffonbot> Received email: "Re: [UKHAS] Re: AERIALS ..."
[08:52] <griffonbot> Received email: Anthony Stirk "Re: [UKHAS] Re: AERIALS ..."
[08:53] jonquark (jonl@nat/ibm/x-ownrsoxncaqxkntj) joined #highaltitude.
[09:00] <griffonbot> Received email: Spike (Chris Foote) "Re: [UKHAS] Re: AERIALS ..."
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[09:05] <fsphil> I never did get my confirmation email for the raspberry pi order :)
[09:06] <griffonbot> Received email: Chris M6PXL "Re: [UKHAS] Re: AERIALS ..."
[09:06] <fsphil> looks like they've stopped taking back orders too
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[09:15] <number10> bird strike on my expensive tracking antenna http://imgur.com/iryCO
[09:16] <fsphil> oh man, did you have it insured?
[09:17] <number10> :) no they wouldnt insure such expensive kit
[09:18] <fsphil> it's going to take ages to repair too
[09:19] <UpuWork> haha
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[09:19] <russss> haha
[09:24] <Lunar_Lander> good morning
[09:26] <daveake> number10 Perhaps paint it a bright colour next time? I hear pink is good ....
[09:27] <number10> the cable going to it is pink
[09:27] <griffonbot> Received email: John Underwood "Re: [UKHAS] Re: AERIALS ..."
[09:27] <griffonbot> Received email: David Akerman "Re: [UKHAS] Re: AERIALS ..."
[09:28] <daveake> it wasn't the cable that died :)
[09:28] <number10> the post needs a spot of pink paint I think
[09:29] <daveake> fluoorescent pink
[09:29] <fsphil> florescent black
[09:29] <number10> yea
[09:30] <daveake> Which, after a bird strike, lights up a panel in black text on a black background saying "Don't do that again"?
[09:32] <Lunar_Lander> fsphil: lol, good suggestion
[09:32] <Lunar_Lander> ROFL daveake
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[09:35] <cuddykid> YES! Finally - moved to "being processed for departure from HK"
[09:35] <cuddykid> still doubt I'll get it by the weekend
[09:36] <fsphil> ah, they must have got a new donkey
[09:36] <cuddykid> yes
[09:36] <cuddykid> still - this "processing" phase is not promising
[09:36] <cuddykid> it was "processing" at the PO for over a week& lol
[09:36] <fsphil> is this from seeed?
[09:36] <cuddykid> yup
[09:37] <cuddykid> been almost 3 weeks now
[09:37] <fsphil> anyone see the meteor over the weekend?
[09:38] <eroomde> run runned
[09:39] <number10> nearest think I can get to it phil is this stuff http://www.amazon.co.uk/Folk-Extreme-Glitter-Paint-Ounces-Black/dp/B004BPRNEG/ref=sr_1_1?ie=UTF8&qid=1330940286&sr=8-1
[09:39] <number10> thing
[09:40] <daveake> http://www.popsci.com/technology/article/2011-12/paint-imbued-carbon-nanotubes-could-make-any-object-absorb-broad-spectrum-light
[09:47] <griffonbot> Received email: Mike Willis "Re: [UKHAS] Re: AERIALS ..."
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[09:56] <griffonbot> Received email: Mike Willis "Re: [UKHAS] Re: AERIALS ..."
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[09:59] <cuddykid> ttfn
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[10:24] <PD3EM_work> hi all
[10:24] <number10> hi
[10:31] <griffonbot> Received email: Andrew Cowan "Re: [UKHAS] Re: AERIALS ..."
[10:33] <griffonbot> Received email: Anthony Stirk "Re: [UKHAS] Re: AERIALS ..."
[10:37] <russss> hmm, I need to get round to putting my aerial back on the roof
[10:37] <russss> I need some way of getting the cable back in through my lovely newly-painted ceiling though.
[10:38] <kokey> 9mm bullet
[10:38] <costyn> kokey: hehehe
[10:39] <costyn> PD3EM_work: got a mail from RS, saying they had massive interest in the Pi, they'll be letting people know when they can order them, in order of registration, but unfortunately only 1 per customer for the time being. So I won't be able to order one for you.
[10:40] <daveake> Is there a prize for the first HAB flight with tracking running on a Pi ? :)
[10:41] <costyn> there should be :) mostly just bragging rights I think
[10:41] <kokey> has one recieved a Pi already?
[10:41] <kokey> someone
[10:41] <costyn> doubt it
[10:41] <daveake> The Queen ordered one? :)
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[10:51] <Lunar_Lander> hello again
[10:55] <fsphil> First person to fly a Pi (yay!) gets 100 HAB points
[10:55] <Darkside> feh
[10:55] <costyn> fly a pi into the sky?
[10:55] <Darkside> you'd have to heat it
[10:55] <Lunar_Lander> daveake: in connection to our humidity sensor talk I just asked in #sparkfun about how to use the sensor at 3.3V
[10:55] <Darkside> else you'll have teh same problems tim had
[10:55] <NigeyS> right, thats in, ats-1 will have a pi
[10:55] <costyn> Darkside: good to know
[10:56] <Lunar_Lander> Darkside: the cpu crashing?
[10:56] <Darkside> Lunar_Lander: yeah
[10:56] <Lunar_Lander> ah
[10:56] <Darkside> due to the PLL losing lock
[10:56] <NigeyS> a freshly cooked rasberry pi :p
[10:56] <Lunar_Lander> but didn't the ubuntu crash?
[10:56] <Lunar_Lander> ah ok
[10:56] <Darkside> that too
[10:56] <Darkside> no wait, i think it was the pll
[10:56] <Darkside> not ubuntu
[10:56] <Lunar_Lander> ah
[10:56] <Lunar_Lander> but ubuntu was the OS?
[10:57] <Darkside> yeah, with full GUI
[10:57] <costyn> pll is for the clock freq ?
[10:57] <costyn> lol
[10:57] <Darkside> costyn: the clock multiplier
[10:57] <costyn> ah
[10:57] <NigeyS> could do some serious overclocking at -40c @ 40km :p
[10:57] <fsphil> would keep it warm anyway
[10:57] <NigeyS> hell yeah
[10:58] <fsphil> though with the thin air it might still get too hot
[10:58] <costyn> or use an 'uncontrolled nichrome' as Tim did hehe
[10:58] <NigeyS> hm good point :(
[10:58] <fsphil> I'm not sure the uncontrolled nichrome existed
[10:58] <costyn> looking at his polaroids, I wonder if the uncontrolled nichrome didn't burn his film before it got develeoped
[10:58] <Lunar_Lander> Darkside: so it is like the ISO that you can download from the ubuntu site and install on a PC?
[10:58] <Darkside> i dunno Lunar_Lander
[10:58] <Lunar_Lander> ah
[10:59] <NigeyS> speaking of os's for the pi
[10:59] <Lunar_Lander> because ubuntu 11 is quite resources hungry
[10:59] <NigeyS> arch is now available for it to :D
[10:59] <costyn> fsphil: it was there, I saw it; it looked dangerous, but he tested it beforehand (one of hte few things he did test before)
[10:59] <Lunar_Lander> won't work on 2.4 GHz Celeron, onboard intel graphics and 1 GB RAM
[10:59] <Lunar_Lander> i.e. would be slow
[10:59] <fsphil> I think his last polaroids came out a bit better
[11:00] <Lunar_Lander> yea
[11:00] <Lunar_Lander> and he beat me to it
[11:00] <Lunar_Lander> :P
[11:00] <Lunar_Lander> I can reveal something to you now
[11:00] <Lunar_Lander> I saw a tutorial on flickr on a pinhole camera with a polaroid inside
[11:00] <Lunar_Lander> and I wanted to build and fly that
[11:01] <costyn> Lunar_Lander: sounds interesting
[11:01] <Lunar_Lander> yeah
[11:01] <Lunar_Lander> that was secret
[11:01] <Lunar_Lander> till now
[11:01] <costyn> Lunar_Lander: one shot to make a picture hehe
[11:01] <fsphil> wouldn't that need a long exposure to work?
[11:01] <Lunar_Lander> cause he did it
[11:01] <Lunar_Lander> xD
[11:01] <Lunar_Lander> fsphil: good question but it would be worth testing
[11:01] <daveake> Er.... and the exposure time for that would be?
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[11:01] <Lunar_Lander> yea
[11:02] <daveake> "too long" is the answer you're looking for
[11:02] <Lunar_Lander> maybe would work when it is pointing in the general direction of earth
[11:02] <Lunar_Lander> as that is really bright
[11:04] <PD3EM_work> costyn: sorry for the late response... I was having lunch in te mean time ;-)
[11:04] <PD3EM_work> costyn: seems that the interest is much more that pi's available
[11:04] <daveake> Well, a small hole might give you 100 times a normal exposure. So somewhere of the order of 1/10 of a second. Too slow if the payload is spinning
[11:04] <Lunar_Lander> yeah but the Pi slowly turns into Duke Nukem Forever
[11:04] <Lunar_Lander> xD
[11:04] <Lunar_Lander> yeah daveake
[11:05] <daveake> Then you have to control the shutter of course
[11:05] <Lunar_Lander> that is the thing that made me think all the time
[11:05] <daveake> May be lucky, but sounds like alot of work for something that very likely won't work
[11:05] <Lunar_Lander> yeah
[11:05] <Lunar_Lander> I thought of solenoids
[11:05] <Lunar_Lander> or like a timer
[11:05] <Lunar_Lander> and coupling to the barosensor or GPS altitude
[11:09] <costyn> PD3EM_work: yup, you'll have to be patient or until perhaps other outlets than RS and Farnell start selling them
[11:09] <costyn> PD3EM_work: or they change their silly 'only to businesses' policy for the Pi
[11:10] <zyp> which «only to businesses» policy?
[11:13] <fsphil> They ask for a business name, but I don't think it's required to be an actual business?
[11:15] <PD3EM_work> costyn: we'll wait and se what's going to happen.
[11:16] <PD3EM_work> I just ordered some stuff from Arduino to do some testing witth
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[11:18] <eroomde> TADA: http://db.tt/ZvTgR3tn
[11:18] <daveake> Ooh pretty :)
[11:21] <UpuWork> very nice
[11:22] <NigeyS> rather spiffing Ed!
[11:23] <Lunar_Lander> hi NigeyS, how are you?
[11:23] <NigeyS> hey kev, im good thanks, and you ?
[11:23] <Lunar_Lander> cool eroomde
[11:24] <Lunar_Lander> I'm good too, thank you
[11:24] <Lunar_Lander> what are you up to?
[11:24] <NigeyS> oh im just tidying up some code for ats-1
[11:25] <Lunar_Lander> ah
[11:25] <Lunar_Lander> my current attention is how to operate the HIH-4030 sensor at 3.3V
[11:26] <NigeyS> fun
[11:26] <daveake> In case anyone hasn't seen it yet, there was a HAB flight shown in the "Orbit" BBC2 programme last night. Watch on iPlayer; the HAB bit starts at the 7-minute mark
[11:27] <NigeyS> ya saw that, was a u.s balloon, only aprs :/
[11:27] <daveake> yep
[11:27] <NigeyS> love the shot of the burst though
[11:27] <NigeyS> that thing literally shreds eh
[11:27] <Lunar_Lander> xD
[11:30] <eroomde> unfortunately i wont be able to populate it today
[11:30] <eroomde> i have actual paid work pcbs to make up :(
[11:30] <NigeyS> bah!
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[11:36] <costyn> fsphil: here in NL you have to provide your businesses VAT number, not only a company name
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[11:37] <fsphil> urg
[11:38] <costyn> not sure how strict they are on it, might try to make a new account with a fictious name and fictious vat number
[11:39] <fsphil> can you buy it from RS UK?
[11:40] <costyn> dunno, but the shipping costs will probably be prohibitive as is mostly everything which crosses international borders, except for stuff from Asia, who seem to be able to ship stuff for free; almost seems as if the Chinese govt subsides exports like that
[11:40] <PD3EM_work> are you member of any club with a VAT number?
[11:41] <costyn> PD3EM_work: I use my employer's KVK number
[11:41] <PD3EM_work> costyn: that makes it easy... sorry forgot that you've mentioned that be4
[11:41] <costyn> PD3EM_work: but there's the posibility they don't actually check the company name against the KVK number, you could try registering an account with false details, see what happens
[11:42] <PD3EM_work> can give it a try
[11:42] <costyn> PD3EM_work: yea I'd be interested to know if it works
[11:43] <costyn> PD3EM_work: just use 12345678 as kvk hehe
[11:43] <PD3EM_work> costyn: haha.. i'll let you know
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[11:59] <jonsowman> anyone ordered BOC "Balloon Gas" know what composition it is?
[12:01] <Lunar_Lander> 95% probably
[12:02] <fsphil> 95% Helium balance air
[12:03] <jonsowman> hmm ok
[12:03] <jonsowman> ta
[12:05] <griffonbot> Received email: Dave "Re: [UKHAS] Re: AERIALS ..."
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[12:07] <eroomde> jonsowman: why do you need to stoop down to that?
[12:07] <jonsowman> eroomde: we (CUSF) aren't
[12:07] <jonsowman> but we had a launch the other day, and they told us after filling that it was 80/20
[12:08] <jonsowman> so the predictions were way out despite careful filling etc
[12:08] <jonsowman> as the burst calc assumes 100% He
[12:09] <eroomde> ah right
[12:09] <eroomde> yes
[12:09] <eroomde> that's just poo that stuff
[12:09] <eroomde> give me research grade or give me death
[12:09] <jonsowman> so i was wondering what "normal" BOC Balloon Gas is
[12:09] <daveake> Death is cheaper
[12:09] <jonsowman> so we can include composition in the burst calc if that's useful
[12:10] <daveake> ping Upu / UpuWork
[12:11] <Lunar_Lander> jonsowman: the 95% figure at least was at the company in Wuerzburg where Raul and I bought He
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[12:11] <Lunar_Lander> they and Linde said (end of 2011) that He was rare currently
[12:11] <jonsowman> so i could put 80% and 95% composition as options on the burst calculator
[12:12] <jonsowman> but i don't actually know what BOC (and other companies) actually supply
[12:12] <Lunar_Lander> yea
[12:12] <jonsowman> since we use CP grade which is like 99.9999% or something
[12:12] <Morseman> Lunar_Lander You know when you come in at the end of a conversation? We'll I wondered for a moment who "He" was...
[12:12] <Lunar_Lander> yeah :P
[12:12] <Lunar_Lander> jonsowman: our uni has a He liquifier
[12:12] <Lunar_Lander> that should be 99.999% also?
[12:12] <jonsowman> i've no idea
[12:13] <Lunar_Lander> I think so
[12:13] <Lunar_Lander> at least that is used in the physics building
[12:13] <Lunar_Lander> :)
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[12:17] <Lunar_Lander> stupid question
[12:17] <Lunar_Lander> how do you account for the different composition in the calculation?
[12:18] <jonsowman> well lift is given by a lighter gas displacing a denser gas. so you just adjust for the density of the gas in the balloon
[12:19] <Lunar_Lander> yes
[12:19] <Lunar_Lander> and you got two gases
[12:19] <Lunar_Lander> air and helium
[12:19] <jonsowman> yep
[12:19] <jonsowman> so the density is a weighted average
[12:19] <Lunar_Lander> ah
[12:20] <Martin_100> Maybe the difference in price between mainstream and discount suppliers is purely down to the gas composition?
[12:21] <jonsowman> i would imagine so
[12:23] <Martin_100> Paying the prices that BOC charge for welding gases pains me at the best of times. 60 quid a year for a bottle before using any gas.
[12:23] <daveake> AIUI BOC do Balloon Gas, Welding Gas, and several grades of the medical stuff
[12:23] <Martin_100> Although none of the others are much cheaper. One thing for sure when I get round to launching a ballon I want it to go up and not sideways into the North Sea.
[12:23] <jonsowman> i'll ring them and find out i guess
[12:24] <fsphil> you don't want to join the north sea club?
[12:24] <jonsowman> Martin_100: well knowing the composition of gas in the balloon is crucial in that case
[12:24] <NigeyS> Martin_100, have you tried air products ?
[12:24] <Martin_100> No way do I want to dunk a payload that will have taken months of my time to make!
[12:25] <daveake> The next one is quicker to make :)
[12:25] <Martin_100> No, I've not tried air products. They are under consideration though as I'm not renewing my bottle hire for the MIG welder this year
[12:25] <costyn> wouldn't measuring neck-lift compensate though? because only the helium is doing the lifting at ground-level and will be doing the lifting during ascent?
[12:26] <jonsowman> costyn: but it changes burst altitude
[12:26] <jonsowman> since burst is only a function of balloon diameter
[12:26] <jonsowman> lower He content will mean more gas in the balloon for a given neck lift
[12:26] <jonsowman> which will give an earlier burst
[12:27] <daveake> If it's any comfort, all my flights have been with balloon gas.
[12:27] <Martin_100> One thing I was thinking about the other day is there must be an optimum envelope size to suit certain bottle sizes such that you use say 90% opf the contents and are not throwing away or sending back helium you can't use
[12:27] <daveake> That includes the 2 that got dunked and the one that got the altitude record
[12:27] <daveake> So a mixed bag really :D
[12:27] <costyn> jonsowman: ok, makes sense, so the actual ascent speed isn't affected, but the burst altitude is
[12:27] <jonsowman> daveake: but what composition is that? is it consistent?
[12:27] <fsphil> all balloon gas here too
[12:28] <jonsowman> costyn: correct
[12:28] <daveake> Well good question - I have no idea how consistent
[12:28] <Laurenceb> we need to try hydrogen
[12:28] <daveake> Indeed
[12:28] <fsphil> I've a feeling there'll be a few H2 flights this year
[12:28] <daveake> jonsowman I'm be very interested in what BOC have to say
[12:28] <costyn> how can you measure consistency without expensive lab equipment?
[12:28] <daveake> -be
[12:29] <Martin_100> If helium wasn't getting so expensive I'd be tempted to think that the only difference in price is down to certification of the composition
[12:29] <Martin_100> -> costyn, it's easy...breathe a lungful and measure the frequency change
[12:30] <daveake> :-) "lungful" being a new SI unit
[12:30] <costyn> Martin_100: hehehe clever :)
[12:30] <Martin_100> it's a new series, along with shitload and 'ish'
[12:31] <daveake> We need a new one if Steve is going to launch early again
[12:31] <costyn> I guess you can measure lift of a measured volume of a known good He source against a measured volume of 'balloon gas'
[12:31] <daveake> Steve's Hab International Time
[12:32] <NigeyS> Laurenceb, there are plans in the works for a hydrogen floater
[12:32] <Darkside> http://i.imgur.com/Zwh9y.jpg
[12:32] <NigeyS> but it'll be late in the year
[12:32] <Darkside> more power supply changes
[12:32] <Darkside> yay
[12:33] <NigeyS> Darkside, looking good!
[12:33] <NigeyS> you and upu are like pcb factories!
[12:33] <Darkside> i havent had much time to work on anything recently
[12:33] <kokey> haha
[12:33] <Darkside> but we need a cutdown asap
[12:33] <NigeyS> uni keeping u busy ?
[12:33] <kokey> seen on a forum:
[12:33] <Darkside> and this power supply board is part of that
[12:33] <Darkside> NigeyS: yes, very
[12:33] <kokey> "Hi Im doing a few mods to a Denon Upa-F07 Amp and I have a few questions...
[12:33] <kokey> 1. Im replacing some Film capacitors can I put them in any way round or have they got a neg and positive.
[12:33] <kokey> 2. Im also replacing some ceramic caps can I put them anyway round to."
[12:33] <NigeyS> bah :/ they releasing you to blighty again this summer?!
[12:35] <Darkside> NigeyS: are they whatting me to what?
[12:35] <NigeyS> sending you back to bristol in the summer
[12:35] <Darkside> oh
[12:35] <Darkside> bath
[12:35] <Darkside> hopefully
[12:35] <NigeyS> thats the 1.. lol
[12:35] <NigeyS> yey!
[12:35] <NigeyS> which record u gonna break this time? :p
[12:36] <Darkside> daves, obviously
[12:36] <NigeyS> hah schweet!
[12:36] <Darkside> well, i hope to do that here first
[12:37] <NigeyS> doesnt the beaming hot sun in aus put you at a disadvantage, and more likely to burst ?
[12:37] <fsphil> opposite I think
[12:38] <NigeyS> hmm, surely the more exposure the more uv damage = quicker burst ?
[12:38] <fsphil> they get more or less the same exposure
[12:38] <NigeyS> hm interesting
[12:39] <daveake> Darkside, I've got my "Burst Burst Burst! © Darkside" ready and waiting for that attempt :)
[12:39] <Darkside> daveake: haha
[12:39] <Darkside> thanks daveake
[12:39] <NigeyS> lol
[12:39] <daveake> np
[12:40] <daveake> It'll get broken sooner or later (thought it may have been yesterday), so good luck to whoever has a go
[12:40] <fsphil> the atmosphere might expand a bit when it's hotter, so it could possibly float higher up
[12:40] <fsphil> (totally guessing here:)
[12:48] <Morseman> Just got email about APEXIII launch on St/Sun
[12:48] <jonsowman> me too
[12:48] <jonsowman> :\
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[12:48] <x-f> hmm.. i got SMS about that
[12:50] <jonsowman> and another one
[12:50] <Morseman> Sat, March 10, 12am  Mon, March 12, 12am
[12:50] <jonsowman> is this going via the ukhas list? i can't tell...
[12:50] <Elwell> urk. google calendar fail
[12:50] <Morseman> 434.650MHz
[12:50] <Elwell> yeah I got em that way
[12:51] <jonsowman> Elwell: i'll block them via the list
[12:51] <costyn> jonsowman: mail through UKHAS has [UKHAS] in the subnet
[12:51] <costyn> subject
[12:51] <Morseman> Now one for FALCON as well...
[12:51] <costyn> pff nice invite hehe
[12:51] <jonsowman> costyn: yeah, i was wondering if it was google being clever
[12:51] <Elwell> Adrian Hicks kartparts@googlemail.com via google.com
[12:51] <Morseman> Tuesday March 6th 12pm from cCassablanca!
[12:52] <jonsowman> the email address isn't on the mailing list "always allow"
[12:52] <jonsowman> so it's not via the list
[12:52] <Elwell> mailed-by: calendar-server.bounces.google.com
[12:52] <fsphil> it must be linked to the list
[12:52] <jonsowman> fsphil: any ideas how?
[12:52] <jonsowman> lol
[12:53] <fsphil> none :)
[12:53] <NigeyS> gremlins
[12:53] <fsphil> maybe he added the mailing list address to the event, and google decided to take it as everyone on this list separately
[12:53] <Morseman> Mine came from Adrian Hiks
[12:53] <jonsowman> fsphil: yeah i was thinking that
[12:54] <jonsowman> in which case there's nothing i can do about it
[12:54] <Morseman> Hicks - even
[12:54] <Elwell> oh well
[12:54] <fsphil> seems to be a massive flaw
[12:54] <Morseman> Ah, online it says Waltham Abbey but on mobile phone says Cassablanca...
[12:55] <Darkside> http://i.imgur.com/Vj86w.png more playing around...
[12:56] <fsphil> so when's the first custom-IC ready Darkside ? :)
[12:56] <Morseman> This is wierd - The link to Waltham Abbey takes me to Brussels!
[12:57] <jonsowman> brb
[12:58] <Darkside> fsphil: wut
[12:58] <fsphil> it's the next logical step, a custom HAB IC
[12:59] <Lunar_Lander> NigeyS: don't understand the backscroll
[12:59] <Lunar_Lander> who tries to make a record?
[12:59] <fsphil> gps and processor all in one package
[12:59] <fsphil> that'd be neat
[13:00] <Darkside> heh
[13:00] <Darkside> would be nice to be able to use the ARM7 inside the ublox chips
[13:01] <fsphil> yea, it's more powerful than the avr we interface them with
[13:02] <Darkside> yup
[13:03] <Darkside> http://memegenerator.net/instance/15654980
[13:03] <Darkside> hands up anyone that gets the reference
[13:03] <Lunar_Lander> can someone explain to me what record NigeyS meant?
[13:03] <Darkside> Lunar_Lander: altitude record most likely
[13:03] <Lunar_Lander> yeah
[13:04] <Lunar_Lander> just understood he talked to you
[13:04] Action: fsphil doesn't get it
[13:04] <Darkside> fsphil: lyrics from a song
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[13:39] <eroomde> Darkside: http://db.tt/ZvTgR3tn
[13:39] <eroomde> they have arrived!
[13:39] <eroomde> population must weight till tomorrow though
[13:40] <eroomde> also, our toast oven solder temp prfile controller has arrived. about to use it in anger
[13:40] <Darkside> heh
[13:40] <eroomde> weight until?
[13:40] <eroomde> blimey
[13:40] <eroomde> engage brain
[13:40] <eroomde> wait until
[13:40] <daveake> that's a wait off your mind
[13:41] <cuddykid> daveake the high altitude joker strikes again :P
[13:41] <cuddykid> eroomde: where did you get those made/
[13:41] <cuddykid> ?
[13:42] <eroomde> pcbpool
[13:42] <eroomde> came with free stainless steel stencil
[13:42] <eroomde> which is nice
[13:42] <cuddykid> very nice
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[13:45] <Lunar_Lander> OK, off for the moment
[13:45] <Lunar_Lander> cu later
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[13:48] Action: Laurenceb has stencils and components for sdr gps dongles
[13:49] <Laurenceb> just waiting for seeedstudio shipment to arrive with pcbs
[13:49] <zyp> :)
[13:50] <SpeedEvil> :)
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[13:50] <Laurenceb> only got charged for VAT, no crazy customs
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[13:52] <Laurenceb> but the price is probably going to have to increase to £30 for kit, £40 populated
[13:52] <Laurenceb> due to all the extra charges
[13:53] <SpeedEvil> Silly extra charges.
[13:54] <SamSilver_> I need one of these > http://www.up3dusa.com/#!feature-tags
[13:54] <jonsowman> eroomde: those look great
[13:55] <Laurenceb> anyone want to buy a patch antenni with sma?
[13:55] <Laurenceb> im going to buy at least one for testing
[13:55] <Laurenceb> could order some more and ship with the dongles
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[14:00] <daveake> SamSilver_ £2000, 4-week lead time. Is that whilst it builds itself? :)
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[14:01] <SamSilver_> clever thing
[14:03] <SamSilver_> daveake: > for you > http://www.instructables.com/id/Android-Tablet-as-Car-PC/
[14:05] <daveake> Now get dl-fldigi running on it, and we're done :)
[14:11] <PD3EM_work> that reminds of a mainboard and touchscreen (with a car power supply) that I still have lying around somewhere....
[14:12] <PD3EM_work> time to start that project again and put dl-fldigi on it ;-)
[14:12] <daveake> That's what I have ... ITX motherboard and 12V PSU in a metal case, plus a Liliput 7" touchscreen
[14:12] <PD3EM_work> sounds good as well!
[14:13] <PD3EM_work> with all the projects I still need to do... I have no time to work... well, what am I doing here? ;-)
[14:14] <daveake> Good question :)
[14:14] <PD3EM_work> there need to be a way to finance the hobby ;-)
[14:20] <number10> can someone remind me where I am
[14:21] <costyn> so... just got a call from a shop where I ordered 2 RFM22b's. says the 433mhz units are kind of illegal here in NL, seeing as they can send with too much power. Asked me if I would be ok with the 868Mhz... what do you guys think? He said he can try to get the 433 for me but that it's at my own risk of using them and getting in trouble :)
[14:22] <fsphil> I'd try for the 433 model
[14:22] <oh7lzb> If you've got a ham license, they should be OK anyway?
[14:22] <costyn> oh7lzb: well I don't have a ham license. :)
[14:23] <oh7lzb> Well what are you waiting for then? Go get one! :)
[14:23] <PD3EM_work> A small part on 433 is licence free
[14:23] <oh7lzb> PD3EM_work: for low power
[14:23] <PD3EM_work> and I agree with oz
[14:23] <zyp> license free doesn't mean unlimited power
[14:23] <PD3EM_work> no, only low power
[14:23] <costyn> fsphil: any reason that we're always using 434 instead of (the other unlicensed band) 868 ?
[14:24] <number10> because a lot of trackers have ham radios
[14:24] <costyn> these things can pump out up to 100mW
[14:24] <PD3EM_work> what is max power on the rfm22b?
[14:24] <costyn> which I'd never use in HAB, but I can understand his concern
[14:25] <gonzo_> there sre also some limits on duty cycle of 868meg radios, though I can see loopholes in that
[14:25] <fsphil> loopholes?
[14:25] <PD3EM_work> you can turn the power down or use it at 100mW
[14:26] <costyn> but still my question remains: if 868 is also license-free, why aren't we HABbers (sometimes) using 868?
[14:26] <number10> because of radio receivers
[14:26] <number10> 868 is not a ham band so people dont have radios to track
[14:27] <number10> unless you have a scanner
[14:27] <costyn> I see... your run of the mill 817 won't recieve 868?
[14:27] <fsphil> path loss is also greater that that frequency
[14:27] <gonzo_> there are always loopholes in the letter of any law
[14:28] <number10> i dont have one myself costyn, but I believe they dont receive on that frequency
[14:28] <PD3EM_work> power regulations are the same for 868? I still prefer 70cm
[14:28] <gonzo_> path loss is a misleading concept. It takes into account that the antennas are smaller at higher freqs
[14:28] <number10> I think you can use 400mw on 868
[14:28] <fsphil> ah
[14:28] <fsphil> I've a 400mw 869mhz module here
[14:29] <fsphil> only thing that can receive it reliably is the funcube dongle
[14:29] <costyn> fsphil: ok, good to know
[14:29] <gonzo_> if anyone wanted to try a HAB payload at 868, I'd set up a rx for there
[14:29] <gonzo_> any rx with ssb would do
[14:29] <costyn> I guess I'll tell him I'd like the 433 units
[14:29] <fsphil> I'm planning on doing one gonzo_, but it''ll be doing APRS at that frequency
[14:29] <fsphil> so FM
[14:29] <gonzo_> (at 868 meg of course)
[14:30] <gonzo_> hmmm, FM is not that efficient
[14:30] <fsphil> aye
[14:30] <gonzo_> but I'll give it a go if you do
[14:30] <fsphil> it's just for testing
[14:30] <SamSilver_> HAB on instructables > http://www.instructables.com/id/MAKIE-A-SPACE-PROBE/
[14:30] <fsphil> since we can't fly a 144.800 mhz module here
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[14:31] <daveake> "This project requires a somewhat bigger group of students - around 30"
[14:31] <fsphil> I might configure it to try RTTY
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[14:31] <fsphil> switch between RTTY and aprs
[14:32] <number10> http://ukhas.org.uk/guides:radio_modules upto 500mw allowed airborne
[14:33] <daveake> 10% duty cycle
[14:33] <number10> yes - I forgot to mention that
[14:33] <fsphil> which sucks
[14:33] <fsphil> up to 6 minutes tx'ing per hour
[14:34] <daveake> Do the regs state over what time that 10% should apply?
[14:34] <daveake> Or can you do a 2.4 hour flight once a day? ;)
[14:34] <number10> or two hours on and 20 hours off
[14:34] <costyn> PD3EM_work: 434MHz at 10mW is permitted here in NL right?
[14:34] <costyn> PD3EM_work: and yes, I'll get my license eventually, but not right now :)
[14:35] <PD3EM_work> costyn: indeed 10mW for telemetric data on 434
[14:35] <fsphil> daveake, per hour
[14:36] <PD3EM_work> costyn: I got my license :-)
[14:36] <costyn> PD3EM_work: yes, your callsign is quite evident :P
[14:37] <PD3EM_work> costyn: LOL it can also be read as a hint ;-)
[14:37] <daveake> fsphil shame :(
[14:38] <fsphil> I know!
[14:38] <gonzo_> those were the loopholes I thought of too!
[14:38] <fsphil> it's still got for aprs
[14:38] <fsphil> good*
[14:39] <fsphil> not so good for rtty, the frequency drift at 869mhz is pretty bad
[14:39] <daveake> OK, so this limit is per transmitter is it? ....... (you can see where I'm going with this ...!)
[14:39] <fsphil> oh
[14:39] <fsphil> now there's a thought
[14:39] <number10> lol daveake
[14:39] <costyn> anyways, thx for the info guys. Asked the seller to send me the 433 units
[14:40] <gonzo_> or poss the limit per freq. As fsk is two freqs, that's 50% won thorugh one loophole
[14:40] <gonzo_> only going to drift 2x the 434meg modules and yesterdays flight was very drift free
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[14:53] <Randomskk> eroomde: got the smps working
[14:54] <Randomskk> now enjoying toying with the ADF7012 to try and get its PLL to lock
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[14:56] <PD3EM_work> time to hit the road....
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[15:43] <daveake> ping Upu / UpWork
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[15:51] <UpuWork> pong
[15:52] <daveake> Being doing some tests on the Sarantel and DC-DC ... PM or here?
[15:52] <UpuWork> pm
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[16:01] <gonzo__> just seen an SDR-IQ gone on ebay 270928581720
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[16:06] <Lunar_LanderU> hello for a moment
[16:06] <PD3EM> hi! Just joined in before making dinner ;-)
[16:07] <Lunar_LanderU> :)
[16:07] <Lunar_LanderU> I have to take the next bus and I got about 8 minutes from now to leaving
[16:07] <Lunar_LanderU> PD3EM: btw, you are new here, right?
[16:07] <PD3EM> So that's a quick short login ;-)
[16:07] <Lunar_LanderU> yea :)
[16:08] <PD3EM> Lunar_LanderU: yep. Have been folowing HAB activities earlier but just hopped in the channel last week
[16:08] <PD3EM> I just received an email that my Arduino stuff is mailed!
[16:09] <Lunar_LanderU> cool
[16:09] <Lunar_LanderU> so you also work on a balloon?
[16:09] <PD3EM> not too fast..... first need to experiment on the beacon / payload
[16:10] <Lunar_LanderU> yea
[16:10] <PD3EM> have to learn the hardware and coding to make it work properly ;-)
[16:10] <PD3EM> but a launch is the goal later this year
[16:11] <Lunar_LanderU> cool
[16:12] <Lunar_LanderU> and you are also arduino based :)
[16:12] <Lunar_LanderU> well
[16:12] <Lunar_LanderU> have to leave again now
[16:12] <Lunar_LanderU> I'll be back later I think
[16:12] <PD3EM> ok ttyl
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[16:12] <Hibby> howdy y'all
[16:12] <nigelvh> PD3EM, What experience do you have with the arduino?
[16:13] <PD3EM> nothing so far nigelvh ....
[16:13] <nigelvh> Also, a fine howdy to you too Hibby.
[16:13] Action: Hibby returns to fpga hackery
[16:13] <nigelvh> Well, the arduino's a good place to start
[16:13] <Laurenceb> wtf
[16:13] <PD3EM> yep. As what I've seen from code examples it's not that hard
[16:13] <nigelvh> I'd been doing coding for quite a while, but never really did any hardware.
[16:13] <Laurenceb> digikey shipped me se4150
[16:13] <Laurenceb> not 4120
[16:13] <nigelvh> The arduino was a good point to get me into hardware
[16:13] Action: Hibby is found to swear a lot about the arduino
[16:14] <nigelvh> Laurenceb, that sucks.
[16:14] <SpeedEvil> Laurenceb: usable?
[16:14] <nigelvh> Digikey is normally pretty good about correcting those issues though.
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[16:14] <SpeedEvil> Or different enough that you can't.
[16:14] <Laurenceb> i dont know
[16:14] <Hibby> but that's because I'm an engineer and program in asm mostly, and find that the happy-helpy language gets in my way
[16:14] <nigelvh> Yeah, I (heart) C, C++
[16:15] <nigelvh> I work with a guy who does all assembly, and it works, but I find it impossible to read.
[16:15] <nigelvh> Which has nothing to do with his comments, which are quite good.
[16:15] <Hibby> asm is more a state of mind
[16:15] <kokey> Hibby: what do you like to use on an atmega?
[16:16] <Hibby> 70% of the time im in c
[16:16] <Hibby> kokey: msp430, preferably, but I'm hacking at Xilinx FPGAs these days
[16:17] <Hibby> s/hacking/"using them for research purposes"
[16:17] <Laurenceb> no not pin compatible
[16:17] <SpeedEvil> Laurenceb: :/
[16:17] <Laurenceb> useless :(
[16:17] <SpeedEvil> Laurenceb: Did they say they were in stock?
[16:18] <Laurenceb> yes
[16:18] <kokey> oh goodie, msp430 used for quadcopter
[16:18] <Laurenceb> it says 4120 on the bag and rell
[16:18] <SpeedEvil> Ah.
[16:18] <Laurenceb> 4150 on the ics
[16:18] <SpeedEvil> SiGe say NRND
[16:18] <Laurenceb> i know
[16:18] <Laurenceb> i designed board for 4120 as there were plenty in stock
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[16:18] <Laurenceb> ill ring digikey and moan
[16:18] <SpeedEvil> Damn.
[16:18] <SpeedEvil> Good luck!
[16:18] <nigelvh> I'm sure they'll take care of it
[16:19] <nigelvh> I've only had one instance of digikey messing up an order, and they were very helpful in correcting it.
[16:19] <jibbily> heard you guys are good with radio comms, i want to communicate between arduinos in the mountains while skiing, what sort of module would have a decent range?
[16:19] <Hibby> o/ Dan-K2VOL
[16:19] <nigelvh> That gets into a lot of side questions there jibbily
[16:20] <nigelvh> Do you have line of sight? How far is the distance? What sort of antenna can you work with? What information do you want to transfer? How good are you at coding audio decoding routines?
[16:21] <nigelvh> Budget?
[16:22] <jibbily> line of sight - no, antenna - any, small amounts of data, low budget, i can learn about coding stuff
[16:23] <nigelvh> What distance? Using no external antenna won't get you far.
[16:23] <Hibby> especially given the propegation characteristics of a mountain.
[16:23] <jibbily> disatance errr let's say a mile or two?
[16:24] <jibbily> walkie talkie sized antenna not an issue
[16:24] <nigelvh> Ok, so a small antenna will work.
[16:25] <nigelvh> Power restrictions?
[16:26] <PD3EM> is away from the keyboard while making dinner
[16:26] <Laurenceb> just spoke to digikey on phone
[16:26] <Laurenceb> they say they will check with warehouse
[16:26] <Laurenceb> and ship replacements if possible
[16:26] <SpeedEvil> :/
[16:26] <SpeedEvil> I note that they only seem to have one line of 4120s
[16:26] <SpeedEvil> So if yours came off that reel...
[16:27] <jibbily> power - well it has to be portable so not a massive battery
[16:27] <Laurenceb> http://search.digikey.com/us/en/products/SE4120L-R/863-1352-1-ND/2745471
[16:27] <Laurenceb> mine was off the end of a reel
[16:27] <Laurenceb> they shipped an entire reel to me in a big box
[16:27] <nigelvh> I was more speaking to any regulatory restrictions on various ISM bands. I don't know where you're at.
[16:27] <SpeedEvil> yeah - their only stock is that 2885 reel
[16:27] <SpeedEvil> ATM
[16:27] <SpeedEvil> ah
[16:28] <Laurenceb> it was empty apart from some se4150 on the end
[16:28] <Laurenceb> there was a sticker on the side saying se4120
[16:28] <Laurenceb> so who knows
[16:29] <Laurenceb> http://search.digikey.com/us/en/products/SE4150L-R/863-1354-1-ND/2745473
[16:29] <Laurenceb> looks like they just got a new reel of se4150
[16:29] <Laurenceb> maybe they sent me the end of their old one
[16:29] <SpeedEvil> Plausible.
[16:29] <jibbily> hmmm would like it to be able to be used in french alps, it'd be nice if it could be used in USA and UK too, and well i'd be testing in the UK
[16:29] <SpeedEvil> 4150 has some itneresting bits too.
[16:29] <SpeedEvil> Dual ant could be interesting.
[16:30] <Laurenceb> yeah
[16:30] <Laurenceb> but its not what i ordered :P
[16:30] <SpeedEvil> Indeed.
[16:30] <Laurenceb> different pinout
[16:30] <Laurenceb> and doesnt go down to 4msps
[16:30] <nigelvh> Ok, well I don't know what the restrictions are there, but here in the US, I've been using the 900MHz ZigBee modules. They're not the cheapest, but they offer good distances, a fairly small antenna, and digital communications, so you don't have to worry about decoding audio.
[16:31] <SpeedEvil> No Galileo either.
[16:31] <nigelvh> http://www.sparkfun.com/products/9097
[16:31] <nigelvh> There are cheaper modules in the 434 MHz band, that have a matching transmitter and reciever, but I've never found them to work terribly well.
[16:32] <nigelvh> RadioMetrix may also have some useful modules, but I've used them very limitedly.
[16:34] <Hibby> the 434mhz modules in the uk, at least, are limited to 10mW
[16:34] <Hibby> which, according to the manufacturers is under 1km in an urban setting
[16:34] <Dan-K2VOL> hey hibby
[16:34] <jibbily> http://uk.mouser.com/ProductDetail/Atmel/ATZB-900-B0R/?qs=sGAEpiMZZMtJacPDJcUJYxVgneM%2fPmKMzs3mmreDxz0%3d - looks interesting
[16:34] <Hibby> how's it going dude
[16:35] <Dan-K2VOL> going nicely
[16:35] <Dan-K2VOL> you?
[16:35] <Hibby> Not too bad. Falling out with FPGAs at the moment
[16:35] <Laurenceb> "Devices Per Reel
[16:35] <Laurenceb> 3000
[16:35] <Laurenceb> "
[16:35] <Hibby> or more precisely, the shitty labview method of programming them.
[16:35] <Laurenceb> looks suspicious
[16:36] <Dan-K2VOL> ha
[16:36] <Hibby> Dan-K2VOL: seen willow's new thing? http://gwob.org/2012/02/21/space-apps-challenge-coming-up/
[16:37] <Hibby> very, very cool
[16:37] <navrac> ping upu
[16:37] <UpuWork> pong
[16:38] <Dan-K2VOL> very neat hibby!
[16:38] <navrac> hiya - just wanted to say thanks for the bits - they turned up today - 10 mins later I have working gps
[16:38] <UpuWork> no problems at all
[16:38] <UpuWork> did you order the chip antenna or the Sarantels ?
[16:38] <navrac> chip antenna
[16:39] <navrac> which way is it most sensitive btw
[16:39] <UpuWork> vertical we think
[16:39] <UpuWork> but it gets a lock horizontal
[16:39] <navrac> yep - seems to agree with what i see here
[16:40] <UpuWork> just one concern Darkside has, the ceramic antenna may crack with repeated hot/cold cycles
[16:40] <navrac> thoroughly painless - thankjs and nice and easy to solder
[16:40] <UpuWork> i.e launches
[16:40] <Dan-K2VOL> hibby I was listening to LiveATC.net's trans-atlantic atc audio last night
[16:40] <UpuWork> so just check it carefully
[16:40] <UpuWork> no problems glad you got it
[16:40] <UpuWork> tell everyone about them link to shop kthx :)
[16:40] <navrac> well I dont expect any of the next two launches to be recovered so I'm not worried
[16:40] <Dan-K2VOL> and heard the shanwick controller confirm a mayday call from an egypt air Boeing 777 that had lost an engine over the ocean
[16:41] <UpuWork> I read that this morning Dan very interesting
[16:41] <Hibby> Dan-K2VOL: jesus man, that's pretty cool.
[16:41] <Dan-K2VOL> I was just hoping to brush up on the talking protocols for when we call shanwick on the phone with white star position reports, I've listened to that channel a hundred times and never heard anything interesting
[16:42] <Dan-K2VOL> it was pretty cool, it landed safely on the ONE remaining engine at Shanon Ireland
[16:42] <Hibby> Dan-K2VOL: yeah. The twin engine liners are pretty flexible and have amazing range on 1 engine.
[16:42] <Dan-K2VOL> that is impressive
[16:43] <Hibby> also, have you seen this? https://crypto.cat/
[16:43] <Dan-K2VOL> haha I was ready for an encrypted lolcat
[16:43] <Dan-K2VOL> but this is far more useful :-P
[16:43] <Hibby> indeed
[16:48] <fsphil> wait, .cat?
[16:49] <Hibby> fsphil: catalan
[16:49] <Hibby> just like http://nyan.cat
[16:49] <fsphil> how'd I miss that one
[16:49] <daveake> my life is now complete
[16:50] <Hibby> i'd buy http://pipeto.cat or something like that
[16:50] <Hibby> http://isawa.cat
[16:51] <daveake> swinga.cat
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[16:59] <edmoore> Welcome to the liveblog of the argos toast oven with feedback control attempt 1
[16:59] <Randomskk> lol nice
[16:59] <edmoore> Currently in thermal soak at 150c
[16:59] <Hibby> interesting.
[16:59] <Randomskk> I find the oven in the cusf lab seems to work fine but it would be kinda nice to have an actual thermal profile
[16:59] <Randomskk> might avoid melting my connectors
[16:59] <Randomskk> (cry)
[17:00] <edmoore> Now reflow mode
[17:00] <fsphil> is there a toast mode?
[17:00] <edmoore> Wow it's working!
[17:00] <Randomskk> nice
[17:00] <Randomskk> what's implementing the control?
[17:01] <Dan-K2VOL> oh no the RoHS butter is catching on fire!
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[17:01] <Hibby> Your mother. I heard she is very well controlled
[17:01] <edmoore> Thermocouple to a box with a mains switch doing pwm
[17:01] <Randomskk> nice
[17:02] <edmoore> It's bloody worked!
[17:02] <edmoore> I feel like age of empires when you ascend up to the iron age
[17:02] <jonsowman> haha
[17:02] <edmoore> Soldering win
[17:02] <Randomskk> nicely done
[17:02] <Dan-K2VOL> nice
[17:02] <Randomskk> this work boards?
[17:02] <SpeedEvil> edmoore: :)
[17:03] <SpeedEvil> edmoore: What've you soldered?
[17:03] <edmoore> Yeah work board
[17:03] <edmoore> It cuts down blimps with a hot wire if they become unmoored and leave a virtual gps fence
[17:03] <edmoore> 'geofence' we are gonna call it
[17:04] <SpeedEvil> :)
[17:06] <edmoore> It's v simple but it makes above first test for the oven before it gets a chance to eat pcbs intended for rockets
[17:06] <edmoore> s/above/a nice
[17:08] <edmoore> The temp control, on the basis of one go, I would highly commend to your consideration, over doing it by eye with an oven
[17:10] <SpeedEvil> Does the temp drop fast enough, or are you cheating and opening the roodr
[17:10] <SpeedEvil> door
[17:10] <Randomskk> definitely planning on a wombat r2 with a steel stencil in the relatively near future
[17:10] <Randomskk> haven't found any showstoppers on r1 yet though
[17:11] <Randomskk> plenty of little things to change however
[17:11] <Randomskk> and I still need to get the ADF's PLL to lock
[17:11] <Randomskk> stupid hting
[17:11] <Randomskk> grr
[17:13] Nick change: SamSilver_ -> SamSilver__
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[17:15] <eroomde> i'm letting it drop SpeedEvil
[17:15] <eroomde> patience
[17:15] <eroomde> i've found a couple of things on hedgehog i will change for v2
[17:15] <eroomde> no mistakes yet
[17:15] <eroomde> just semi-iloogical routing
[17:17] <Laurenceb> looks like digikey sent me their old se4150l reel
[17:17] <Laurenceb> they cant work out if they require me to send back the se4150s atm :S
[17:17] <Randomskk> :/
[17:18] <SpeedEvil> Laurenceb: Say fine, if they pay shipping.
[17:18] <Laurenceb> heh
[17:18] <Laurenceb> more hassle tho
[17:18] <SpeedEvil> And handling. :)
[17:18] <SpeedEvil> How many are there ~10?
[17:18] <Laurenceb> yes
[17:18] <SpeedEvil> Can't imagine it'd be worth it.
[17:18] <Laurenceb> and lots an lots and lots of empty reel
[17:19] <Laurenceb> 10 on the very end
[17:19] <Laurenceb> some screwed up pretty bad at digikey
[17:21] <Laurenceb> if id just put this on a pick and place...
[17:23] <SpeedEvil> Indeed.
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[18:20] <cuddykid> Hmm - there's a report on how Apple is squeezing air freight shipments from China region due to iPad 3 - I wonder if that is why my pcbs are taking forever!
[18:30] <daveake> iSlow
[18:35] <cuddykid> iHoard
[18:35] <cuddykid> i fricken want my pcbs!
[18:37] <PD3EM_shack> Put the iPad3 shipping on hold and deliver pcbs to cuddykid !! #priority
[18:37] <cuddykid> lol
[18:37] <cuddykid> but I may get an iPad 3 too :/ if I can shift my current iPad for enough :P lol
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[18:38] <PD3EM_shack> cuddykid: lol
[18:38] <cuddykid> just need my own airplane to fly both on haha
[18:39] <cuddykid> or a house over there would solve all problems!
[18:39] <PD3EM_shack> what about a HAB airline?
[18:40] <SpeedEvil> cuddykid: Or a PCB fab.
[18:40] <daveake> Fly Upu
[18:40] <cuddykid> yes!
[18:40] <cuddykid> Upu: get onto it
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[18:41] <daveake> Problem is. a HAB plane would be liable to burst then crash into the sea
[18:41] <cuddykid> please employ Taaj too (off come fly with me)
[18:41] <cuddykid> haha
[18:42] <number10> has anyone done any measurements of NTX2 freq drift/temperature?
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[19:07] <Lunar_Lander> hello
[19:07] <SpeedEvil> 'o
[19:11] <CovBalloon> number10 thats a good question, maybe we should start collecting evidence
[19:11] <CovBalloon> how about throwing your nxt2 in the fridge measuring, then in the freezer, and then collect data on your launch?
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[19:12] <Lunar_Lander> dinnertime
[19:12] <Lunar_Lander> brb
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[19:20] <jonsowman> Upu: is your neo-6q and sarantel EAGLE footprints available anywhere?
[19:21] <Upu> hey there
[19:21] <Upu> yes
[19:21] <Upu> https://github.com/Upuaut/Eagle-Libraries
[19:21] <jonsowman> thank you
[19:21] <jonsowman> :)
[19:21] <Upu> Ava.lbr
[19:21] <Upu> but use MAX6
[19:21] <jonsowman> we have NEOs
[19:21] <Upu> fair enough
[19:21] <Upu> in that library
[19:21] <jonsowman> will switch to the MAXes we we've used the NEOs though
[19:22] <Upu> Only saying use MAX because I have them in stock anyway :)
[19:22] <jonsowman> hehe cool
[19:22] <jonsowman> thanks a lot
[19:24] <jonsowman> Upu: ah is it v6/
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[19:25] <jonsowman> as in eagle 6
[19:26] <Upu> yes
[19:26] <Upu> safe to use it now
[19:26] <Upu> they fixed that silly bug
[19:26] <Upu> and you can version control stuff properly as its in XML
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[19:28] <Lunar_Lander> hello Upu, did you get my PM earlier?
[19:28] <cuddykid> contemplating whether to put an order in for max 6, breakout and gps surface mount antenna
[19:28] <Upu> yup I responded but you'd gone off line
[19:28] <Upu> not a problem
[19:28] <Upu> about an hour
[19:28] <Lunar_Lander> yeah
[19:28] <Lunar_Lander> OK, good
[19:28] <Lunar_Lander> thanks
[19:28] <Upu> having food :)
[19:28] <Lunar_Lander> :)
[19:29] <Lunar_Lander> what will you eat :)?
[19:30] <Hix> I emailed Waters and Stanton earlier to ask advice on their range of UHF antennae
[19:30] <Hix> Hi Thanks for your email - Our antennas fall short on UHF band so ill have to say no....
[19:30] <Hix> is the response I got.
[19:30] <Hix> pretty bad form as I was asking which one in their range of portables would be the BEST
[19:30] <cuddykid> lol
[19:30] <cuddykid> I hate companies like that
[19:31] <Hix> shoddy
[19:31] <cuddykid> or more specifically - individuals that respond like that in companies :P
[19:32] <daveake> I bought an aerial pre-amp from them. Didn't even get an order acknowledgement, so after a few days I called. Yes they had the order, but the kit was out of stock for 2 weeks. Fine, so why not tell me?
[19:32] <Lunar_Lander> oh these people
[19:33] <Hix> Sound like a company that couldn't give a toss because they are comfy wirth their huge goverment orders
[19:33] <daveake> I ordered some stuff from Moonraker the same day. Got an acknowledgement, then emails when the stuff was packed and shipped. As it should be.
[19:33] <fsphil-laptop> W&S don't charge too much for delivery to here, which is nice
[19:33] <Hix> probably at 600% mark up as would be normal with Govt spending
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[19:34] <Hix> Should have asked here really. What would be a good portable aerial for little money that i could keep in the car for ad hoc use
[19:40] <Dan-K2VOL> well you guys heard it here first! :-P http://www.limerickpost.ie/index.php/navigation-mainmenu-30/local-news/4257-aircraft-makes-emergency-landing-at-shannon.html
[19:40] <cuddykid> who's been launching HABs& :P
[19:42] <fsphil-laptop> our on the scene reporter Dan has the latest
[19:42] <Dan-K2VOL> lol
[19:43] <fsphil-laptop> I've heard some trans-atlantic aircraft chatter, it's usually pretty dull :)
[19:43] <Dan-K2VOL> yes, it really is,
[19:43] <Dan-K2VOL> I had it on as background noise while working late at the office
[19:43] <fsphil-laptop> very polite though -- I think it was from new york
[19:43] <Dan-K2VOL> but the phrase mayday jumps out at you
[19:44] <Dan-K2VOL> it's odd they're still using short-wave HF, and hear them calling, and calling and calling to eachother, then saying to try a different frequency to see if that one had any better propagaion
[19:45] <fsphil-laptop> I suppose it's cheaper than satellite
[19:45] <Dan-K2VOL> yeah still is
[19:46] <Lunar_Lander> I know 121.5 MHz is emergency
[19:46] <costyn> was this posted here yet? http://technabob.com/blog/2012/03/05/lego-space-shuttle-flight/ some guys strung a lego space shuttle below a HAB, some really nice video
[19:46] <fsphil-laptop> although I'm surprised they don't at least uplink position via satellite
[19:46] <Lunar_Lander> that was Raul from here costyn
[19:46] <Dan-K2VOL> I think most have satellite data-link, as well as satellite voice, but the law says they must all maintain an HF connection to ATC
[19:46] <costyn> Lunar_Lander: aah ok
[19:46] <Dan-K2VOL> though ATC is starting to use the datalink for most of the comms
[19:47] <fsphil-laptop> yea I heard a lot of data mixed with the voice
[19:47] <fsphil-laptop> they'd request something, and then there'd be a data burst
[19:47] <costyn> Lunar_Lander: I guess I'm late to the party hehe
[19:47] <Lunar_Lander> well, no
[19:47] <Lunar_Lander> the flight was on dec. 31, 2011
[19:47] <Lunar_Lander> the blog is late
[19:48] <Dan-K2VOL> yeah the dual tones you hear are the Selective Calling alerts,
[19:48] <Dan-K2VOL> each plane is assigned a set of tones
[19:48] <costyn> Lunar_Lander: hmm seems so; got posted to a popular dutch video blog too today; friend sent me a link
[19:48] <Dan-K2VOL> and the pilot sets the squelch on the noisy HF radio to break open when those tones come through
[19:48] <fsphil-laptop> ah
[19:48] <Lunar_Lander> costyn: yeah
[19:49] <fsphil-laptop> I don't often hear them, which is odd cause I see a lot of trans-atlantic flights going overhead here
[19:49] <Dan-K2VOL> sell-call is what you hear them say
[19:50] <Dan-K2VOL> they assign them by number, and then test them, as the plane enters the Oceanic area
[19:51] <Dan-K2VOL> so you'll hear Shanwick : "delta249, sellcall 29 71, test coming up" Plane: "Shanwick roger, tones 2971, test coming" [tone, tone]
[19:55] <fsphil-laptop> that's exactly it
[19:57] <fsphil-laptop> conditions need to be good before I can hear it though
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[20:01] <Lunar_Lander> btw, this is the youtube comment page to the lego shuttle https://www.youtube.com/all_comments?v=bluQ4eOeBwo
[20:02] <Lunar_Lander> they rant about launching HAB is "irresponsible"
[20:02] <Lunar_Lander> the first guy who was reasonable was this one "Yes that one in a million thing can happen. How does that make launching a weather balloon irresponsible? Especially if they had "[thanks to] the german airtraffic control for the understanding." Anyone can report aÿ launch like this to the air traffic control at which point they will know the time frame and location of a launch. When reporting you need to give them launch point,
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[20:04] Action: SpeedEvil thumbs that comment
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[20:07] <cuddykid> I had a local near me going on about his "concerns" (he used to be a pilot) - I told him I had got the appropriate clearance etc and he hasn't said anything since :D
[20:07] <cuddykid> every time I launch I do have a little worry that one time it might land on a road/car windscreen or someones head - which would not be good
[20:08] <Lunar_Lander> yeah
[20:08] <Lunar_Lander> maybe
[20:09] <Lunar_Lander> maybe one solution to the insurance problem could be to talk with the Met Office
[20:09] <Lunar_Lander> just an idea
[20:09] <cuddykid> quite possibly
[20:09] <Lunar_Lander> as the people in Muenster work with the DWD
[20:09] <Lunar_Lander> and they are quite open
[20:09] <Lunar_Lander> DWD is our met office btw
[20:10] <fsphil-laptop> the met office in the UK don't have insurance iirc
[20:11] <cuddykid> probably just the gov backing is fine
[20:11] <Lunar_Lander> fsphil-laptop: yeah, I read in that Guardian article that they pay it themselves
[20:11] <Lunar_Lander> but still
[20:12] <Lunar_Lander> maybe there can be a cooperate solution
[20:12] <Lunar_Lander> especially for research flights
[20:14] <Lunar_Lander> or so
[20:18] <nigelvh> I wonder if there's a group insurance option. I know for ham radio clubs over here you can get an insurance policy for the club that covers people working at a repeater site or whatnot.
[20:18] <Lunar_Lander> yea
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[20:22] <Lunar_Lander> hello jcoxon
[20:22] <daveake_> ping CovBalloon
[20:22] <jcoxon> hi
[20:23] <Lunar_Lander> we are currently discussing insurance and if cooperating with the Met Office might help, as in germany we had a few flights with the DWD (Deutscher Wetterdienst)
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[20:25] <nigelvh> When we launch, we always are on a phone call to the local air traffic control tower, but generally don't do much more than that.
[20:25] <fsphil-laptop> nice, it's impressive the speed difference -O3 can make to a program (vs. no optimisation at all)
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[20:30] <Dutch-Mill> PD3EM going to track FALCON tomorrow ?
[20:31] <fsphil-laptop> that's the one with the HF transmitter isn't it?
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[20:40] <Lunar_Lander> good evening, andrew_apex
[20:41] <Lunar_Lander> fsphil-laptop: it's NickB1's balloon carrying a geiger counter
[20:41] <Lunar_Lander> from belgium
[20:41] <andrew_apex> hi Lunar_Lander
[20:43] <PD3EM_shack> Dutch-Mill: I hope I can do it remote ;-)
[20:45] <PD3EM_shack> Dutch-Mill: Are you going to track it?
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[21:01] <jonsowman> eroomde: what DAC are you using on hedgehod?
[21:01] <jonsowman> *
[21:01] <jonsowman> g
[21:02] F5MVO (52e6b25d@gateway/web/freenode/ip.82.230.178.93) joined #highaltitude.
[21:02] <F5MVO> morning all
[21:02] <PD3EM_shack> evening ;-)
[21:02] <fsphil-laptop> tis that!
[21:03] <F5MVO> have you info about BUZZ ?
[21:04] <daveake_> Never heard of it :p
[21:04] <daveake_> What do you want to know?
[21:04] <F5MVO> WHEN IS UP
[21:04] <F5MVO> sorry when is up
[21:05] <daveake_> Oh, you saw it on spacenear.us?
[21:05] <daveake_> Just testing
[21:06] <daveake_> Forgot to uncheck the "online" box earlier
[21:06] <daveake_> Next flight 24th March, weather permitting
[21:06] <fsphil-laptop> ah, the payload list can scroll. nic eone
[21:07] <daveake_> Yeah, handy for netbooks
[21:09] <NigeyS> daveake_, thats the day b4 my birthday
[21:09] <fsphil-laptop> that prediction is a bit naff if you where launching now daveake_
[21:12] <daveake_> Yeah, had several like that earlier this year and postponed
[21:12] <cuddykid> incredible prediction for this saturday
[21:12] <F5MVO> Xaben is loss ?
[21:12] <cuddykid> landing just 17km away
[21:13] <fsphil-laptop> no such luck here: http://hourly.sanslogic.co.uk/
[21:13] <fsphil-laptop> that's just horrible
[21:14] <cuddykid> yeah :(
[21:14] <cuddykid> http://habhub.org/predict/#!/uuid=d9d88148c55a9692d2bdff20ccfb2742049c4118
[21:14] <cuddykid> if only I was ready to fly...
[21:14] <cuddykid> but WillDuckworth is I think! - I'll get onto him..
[21:15] <fsphil-laptop> nice!
[21:15] <daveake_> interesting path there fsphil-laptop!
[21:15] <daveake_> cuddykid when's your next permission for?
[21:15] <Lunar_Lander> hello F5MVO
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[21:16] <fsphil-laptop> basically either the sea, or a remote island
[21:16] <fsphil-laptop> or scotland
[21:16] <daveake_> F5MVO Yes XABEN was a loss
[21:16] <cuddykid> daveake_: I've sent off for most of April (if he can do it) - April should be my next wave of aerial activity :P (I have a month off)
[21:16] <daveake_> You mean *I* have a month off? :p
[21:17] <cuddykid> but - this all depends on whether the pcbs arrive soon and testing of glider if everything is ready :P
[21:18] <daveake_> You have UAV permission?
[21:18] <cuddykid> well they're still "deliberating"
[21:18] <cuddykid> i.e. annoying the hell out of me
[21:18] <daveake_> Yeah good luck with that one ....
[21:18] <fsphil-laptop> by deliberating, DM probably means he's lost the email
[21:19] <cuddykid> from the first email though I got the impression that if I give them a time and area specific then they can work something out
[21:19] <cuddykid> I don't understand what all the fuss is about - probably safer than a normal payload
[21:19] <daveake_> specific launch or land or burst area?
[21:20] <cuddykid> daveake_: specific flying area (after burst)
[21:20] <daveake_> Sorry, but don't believe that at all
[21:20] <cuddykid> well - it's less dense and won't be coming down as fast
[21:20] <daveake_> Assuming it doesn't break up and the flight control s/w works
[21:21] <cuddykid> yeah - it's initially going to start off at low altitude though
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[21:21] <daveake_> And it may not be going down quickly, but it'll be going horizontally quickly
[21:21] <cuddykid> but, there's nothing really of difference between a rogallo and this
[21:22] <cuddykid> the glider we're building doesn't have rigid poles in either, just all foam
[21:22] <daveake_> Except for the inherent stability of the former
[21:22] <cuddykid> but if it works - I know which one I'd rather have hit me on the head :P
[21:23] <daveake_> "if it works" .... :p
[21:23] <cuddykid> lol
[21:24] <cuddykid> If the FAA approve, there's no reason why the CAA can't approve
[21:24] <cuddykid> for a "normal area" not the desert
[21:24] <F5MVO> good night all, see you later
[21:25] <Lunar_Lander> good night F5MVO
[21:25] <cuddykid> bye F5MVO
[21:25] <PD3EM_shack> good noght F5MVO
[21:25] <PD3EM_shack> * night
[21:25] <PD3EM_shack> Who's going to track the Falcon tomorrow?
[21:25] <F5MVO> yes
[21:26] <cuddykid> I should be saying - au revoir
[21:26] <cuddykid> &I think :P
[21:26] <F5MVO> bye bye
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[21:26] <fsphil-laptop> unlikely I'll hear anything from Falcon
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[21:27] <Lunar_Lander> does anybody know what antenna is on the Yaesu FT-790R? I mean what is that connector that you put on and then have to turn 90° to fix it to it
[21:27] <Lunar_Lander> hello RocketBoy, NickB1
[21:27] <NickB1> hello
[21:28] <RocketBoy> BNC
[21:28] <Lunar_Lander> thanks
[21:28] <PD3EM_shack> http://www.rigpix.com/yaesu/ft790r.htm
[21:28] <Lunar_Lander> exactly
[21:28] <Lunar_Lander> the top left connector
[21:28] <RocketBoy> yeah 50ohm
[21:28] <Lunar_Lander> OK, thanks
[21:28] <RocketBoy> 50ohm BNC not 75ohm BNC
[21:28] <Lunar_Lander> NickB1: the one NASA question :P
[21:28] <Lunar_Lander> Status?
[21:28] <Lunar_Lander> xD
[21:29] <Lunar_Lander> RocketBoy, PD3EM_shack thanks
[21:29] <Laurenceb_> RocketBoy: ping
[21:29] <fsphil-laptop> it's for plugging in ant's
[21:29] <Lunar_Lander> I know
[21:29] <Laurenceb_> did you have any uploads?
[21:29] <Laurenceb_> with the si4432
[21:29] <RocketBoy> uplink ?
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[21:29] <Laurenceb_> yes, sorry, uplink
[21:30] <RocketBoy> na - not on that flight
[21:30] <Laurenceb_> any idea why not?
[21:31] <Laurenceb_> how did the uplink work?
[21:32] <Laurenceb_> or fail as the case may be :P
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[21:32] <PD3EM_shack> NickB1: Ready for the launch?
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[21:33] <Lunar_Lander> hi _Hix
[21:34] <_Hix> hey Lunar_Lander
[21:34] <Lunar_Lander> how are you?
[21:34] <NickB1> Lunar_Lander, PD3EM_shack, yes finishing up the payload now
[21:34] <NickB1> little nervous :)
[21:35] <Lunar_Lander> yeah
[21:35] <Lunar_Lander> what is the power supply btw?
[21:35] <PD3EM_shack> Great! I'll try to track it remotely
[21:35] <_Hix> cool ta
[21:35] <NickB1> PD3EM_shack, thanks!
[21:36] <PD3EM_shack> NickB1: Good luck with the launch and have a great flight!
[21:36] <NickB1> Lunar_Lander: Nuclear
[21:36] <Lunar_Lander> XD
[21:36] <NickB1> thanks PD3EM_shack
[21:37] <NickB1> hope everything goes well
[21:37] <Lunar_Lander> yeah
[21:37] <Lunar_Lander> with the Geiger :)
[21:37] <PD3EM_shack> we all hope
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[21:38] <NickB1> the Geiger is really power efficient
[21:38] <NickB1> only 9mA
[21:38] <NickB1> shoeld run for 2 months
[21:38] <NickB1> *should
[21:38] <PD3EM_shack> cool!
[21:38] <Lunar_Lander> cool
[21:38] <Lunar_Lander> and 500 V
[21:38] <Lunar_Lander> XD
[21:38] <PD3EM_shack> how's the latest predicted path?
[21:40] <NickB1> hmm
[21:40] <NickB1> cant find my launch announcement in the ukhas group?
[21:41] <NickB1> http://habhub.org/predict/#!/uuid=e1439ed32ddd643cf76c55983f97a4bace603517
[21:42] <daveake_> I see it - "[UKHAS] Falcon - Launch Annauncement"
[21:42] <PD3EM_shack> thanks! Just found a ilnk on the group that wasn't valid
[21:42] <NickB1> oh ok :)
[21:43] <PD3EM_shack> sent it a little more to the SW and tracker F1BSR van pick it up ;-)
[21:44] <NickB1> where is he located ?
[21:44] <NickB1> hope I wont have to talk to much French :D
[21:45] <PD3EM_shack> I think I'm able of receiving the beacon. Got a quite clear LOOS to the south
[21:45] <PD3EM_shack> See http://spacenear.us/tracker/ he's the neares French tracker
[21:46] <PD3EM_shack> s/LOOS/LOS/
[21:46] <NickB1> he is located very close
[21:46] <RocketBoy> Laurenceb_: Sorry - what flight are we talking about (I was talking XABEN22)
[21:47] <Laurenceb_> yeah the last xaben flight
[21:47] <NickB1> have to go
[21:47] <NickB1> bye all
[21:47] <Laurenceb_> did you have rfm22 uplink?
[21:47] <Laurenceb_> rfm22=si4432
[21:47] <PD3EM_shack> bye NickB1 and good luck tomorrow!
[21:47] <jcoxon> hey eroomde
[21:48] <jcoxon> Laurenceb_ no one has done a rfm22 uplink yet
[21:48] <NickB1> thanks!
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[21:49] <PD3EM_shack> gotta go as well... alarm goes of at 5 am....
[21:49] <RocketBoy> jcoxon: in your review of video clips the other day - did you come across the ones where we dropped the parafoil from a teheed balloon at ears?
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[21:51] <Laurenceb_> oh nvm
[21:51] <Laurenceb_> someone said there was an rfm22 uplink flying
[21:51] <RocketBoy> found it http://www.youtube.com/watch?v=TbVw8SMmkNM
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[21:54] <Laurenceb_> twists a bit
[21:55] <cuddykid> that's how I intend to do initial tests :O
[21:55] <cuddykid> *:P
[21:55] <jcoxon> RocketBoy, yeah
[21:55] <RocketBoy> and http://www.youtube.com/watch?v=HU2tymr4Rs0&feature=related
[21:56] <eroomde> #oh wow RocketBoy
[21:56] <eroomde> i'd forgotten about that
[21:56] <Laurenceb_> http://video.google.com/videoplay?docid=4858664474879256299
[21:56] <RocketBoy> ah the old days
[21:56] <eroomde> jcoxon: hi
[21:56] <cuddykid> oh - annoying David Grove is out of office until next week :(
[21:57] <Laurenceb_> drop2 looks very promising
[21:57] <eroomde> i remember convincing myself i had some semblance of steering control on those two tests
[21:57] <eroomde> but, no
[21:57] <Laurenceb_> heh
[21:57] <RocketBoy> Laurenceb_: yeah no almost worked
[21:57] <RocketBoy> no2
[21:58] <Laurenceb_> http://video.google.com/videoplay?docid=7102390356456733483
[21:58] <Laurenceb_> that had working steering
[21:59] <cuddykid> nice
[21:59] <Laurenceb_> -old Hi8 camcorder duck taped to nose :D
[21:59] <cuddykid> has no one attempted a glider before?
[22:00] <jcoxon> cuddykid, not in the UK
[22:00] <Laurenceb_> it needed the mass - normally i used a brick on it
[22:00] <jcoxon> but elsewhere sure
[22:00] <cuddykid> yeah, I'm aware of a few non UK ones
[22:00] <cuddykid> I'll guess I'm the first then :P
[22:00] <Laurenceb_> ive flown rogallo
[22:00] <eroomde> http://www.youtube.com/watch?v=ll4wm9QHnYY
[22:01] <eroomde> this is very impressive i think
[22:01] <eroomde> the disreefing process is really a feat
[22:01] <eroomde> that's much harder than it looks
[22:01] <jcoxon> eroomde, pm
[22:01] <cuddykid> wow eroomde
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[22:03] <eroomde> actually this video from 4:50 is much better. shows the disreefing
[22:03] <eroomde> http://www.youtube.com/watch?v=b2lpYyAAG8E&feature=related
[22:04] <jonsowman> eroomde: what DAC are you using on hedgehog?
[22:04] <eroomde> ad5060
[22:04] <jonsowman> ta
[22:04] <eroomde> got a footprint for it for eagle iuw
[22:04] <jonsowman> 5 or 6?
[22:04] <eroomde> there is a 14 bit one ad5040
[22:04] <eroomde> and 16 bit ad5060
[22:04] <eroomde> same package
[22:04] <jonsowman> i'm still running 5 as i cannot get 6 to install on ubuntu ( Laurenceb_? )
[22:05] <eroomde> just under a tenner from farnell
[22:05] <eroomde> spi
[22:05] <jonsowman> sounds great
[22:05] <eroomde> 8 pin sot thing
[22:05] <jonsowman> single output?
[22:05] <eroomde> yep
[22:05] <jonsowman> okay
[22:05] <eroomde> don't get much for your 8 pins :)
[22:05] <jonsowman> i need two outputs, but i can just have two
[22:06] <eroomde> for what?
[22:06] <Laurenceb_> jonsowman: you need to compile libpng
[22:06] <eroomde> oh i got round that eagle problem too
[22:06] <Laurenceb_> and a few other libs i grabbed the files from Upu
[22:06] <eroomde> yes you need libpngv14
[22:06] <jonsowman> right ok
[22:06] <jonsowman> will give that a go
[22:06] <eroomde> i have installed it in a sandbox atm
[22:06] <jonsowman> eroomde: remember that xtal pulling board i was working on?
[22:07] <Laurenceb_> 6.1 seems a bit nicer than 6
[22:07] <eroomde> i do
[22:07] <jonsowman> eroomde: one DAC for setting centre frequency and another for shift
[22:07] <Laurenceb_> they fixed the most annoying bugs
[22:07] <eroomde> ah cool
[22:07] <jonsowman> Laurenceb_: yep i've got the 6.1 installer
[22:07] <eroomde> why do you need two for that?
[22:07] <jonsowman> eroomde: one DAC for each varactor
[22:07] <eroomde> ah righty
[22:07] <jonsowman> the two varactors have really different C/V curves
[22:08] <jonsowman> so one gives a coarse tune and other a fine tune
[22:08] <jonsowman> for centre and shift respectively
[22:08] <jonsowman> libpng 1.5.9 ok?
[22:09] <eroomde> interesting
[22:09] <eroomde> um i think so yes
[22:09] <jonsowman> cool
[22:09] <jonsowman> downloading
[22:09] <eroomde> >1.4 or 14 - it seems to be written as both
[22:09] <jonsowman> right
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[22:09] <jonsowman> eroomde: i've chosen caps etc such that the crystal is loaded with 18pF each side with no bias on the varactors
[22:10] <jonsowman> so the PLL should start up and lock up nicely
[22:10] <jonsowman> before i do horrid things to the xtal
[22:10] <navrac> Laurenceb_ - just read back - Im going for an rfm22b uplink on Sunday weather and last few bits arriving permitting
[22:10] <Laurenceb_> oh, cool, good luck
[22:11] <Laurenceb_> using the inbuilt modem?
[22:11] <eroomde> navrac: plaunching from where?
[22:11] <navrac> thanks - if you have an arduino and an rfm22b and some form of aerial you can try uplinking to it.
[22:11] <jcoxon> navrac, i'll try
[22:11] <jcoxon> and i'm in suffolk
[22:11] <navrac> Its launching from Suffolk, but a pico flight so quite low
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[22:13] <jonsowman> Laurenceb_: does it have to be libpng14? i built and installed 1.5.9 but the bash install script is looking for libpng14.so.14
[22:13] <navrac> excellent if you can james, as soon as ive pieced all the individual bits of code together I'll send you an uplink app for PC and code for the arduino
[22:13] <jonsowman> and obviously complains about not finding it
[22:14] <Laurenceb_> hmm
[22:14] <Laurenceb_> i dont know, sorry
[22:14] <jonsowman> no worries, i'll try and find and build 1.4.x
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[22:20] <jonsowman> Laurenceb_: building 1.4 didn't work. i found some pre-built binaries, seems to be working
[22:21] <jonsowman> very dubious from a security perspective, but never mind
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[22:23] <eroomde> you found that guide then
[22:24] <eroomde> sudo script downloading stuff from some bloke's hompage
[22:26] <jonsowman> i downloaded the binaries manually and installed them manually
[22:26] <jonsowman> i don't know how that's necessarily better in any way
[22:28] <Laurenceb_> shit
[22:28] <Laurenceb_> digikeys roll of se4120 is se4150 too
[22:28] <Laurenceb_> they mislabelled it
[22:28] <Laurenceb_> no more se4120 :(
[22:29] <nigelvh> Damn, that sucks dude
[22:29] <nigelvh> Boards = Hosed.
[22:29] <Laurenceb_> yeah
[22:30] <Laurenceb_> and my whole sampler idea unless i can find some
[22:30] <Laurenceb_> i need 4msps sampling ideally
[22:30] <Laurenceb_> http://parts.digikey.com/1/parts/2518490-ic-rcvr-gps-galileo-24qfn-se4120l-r.html
[22:30] <Laurenceb_> shit
[22:30] <nigelvh> I'll sell you a "se4120" for $2000
[22:30] <Laurenceb_> looks like they updates stock
[22:31] <Laurenceb_> *updated
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[22:32] <eroomde> Laurenceb_: what's the diff?
[22:32] <eroomde> single serial vs 2 line s&m?
[22:32] <eroomde> lol
[22:32] <Laurenceb_> also the sampling rate
[22:32] <Laurenceb_> and antenni support
[22:32] <Laurenceb_> i want 4msps sampling
[22:32] <eroomde> http://i.imgur.com/do3PC.jpg
[22:33] <Laurenceb_> old
[22:33] <eroomde> so are there any 4120s in existance anywhere?
[22:33] <Laurenceb_> im trying to work that out
[22:33] <Laurenceb_> digikey say they will endeavour to find me 10
[22:34] <jonsowman> eagle 6 sorted, thanks Laurenceb_ and eroomde
[22:35] <Upu> that all my fault ? :/
[22:35] <Laurenceb_> but im not sure how much luck they will have
[22:35] <eroomde> yes upu
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[22:35] <Laurenceb_> it might not be manufactured any more
[22:35] <Upu> trollolol
[22:35] <eroomde> you're the reason i upgraded
[22:35] <eroomde> ava.lib
[22:35] <Laurenceb_> im so screwed
[22:35] <eroomde> lbr*
[22:35] <Upu> well on the bright side version control!
[22:36] <Upu> I just learnt how to make curvy boards thx jonsowman
[22:36] <jonsowman> haha
[22:36] <Lunar_Lander> hey Upu
[22:36] <Morseman> If I feel like this in the morning I wont be putting the 70cm vertical up in the air again!
[22:36] <Upu> evening Lunar_Lander
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[22:36] <Lunar_Lander> Upu, nick said that he will most probably fly tomorrow
[22:36] <Lunar_Lander> from Uccles (or so) in Belgium
[22:36] <Upu> where from ?
[22:37] <Upu> ok
[22:37] <Upu> has it been posted to the list ?
[22:37] <Lunar_Lander> yeah, FALCON it's called
[22:37] <Morseman> There's a flight called FALCON isn't there?
[22:37] <Lunar_Lander> I saw it on the list
[22:37] <Upu> oh that one
[22:37] <Lunar_Lander> yea
[22:37] <Upu> with the HF on it
[22:37] <eroomde> my boards are curvy
[22:37] <eroomde> i like it
[22:37] <Lunar_Lander> HF?
[22:37] <Morseman> Or am I in a cold driven confused state again?
[22:37] <Lunar_Lander> I know that a geiger is on there
[22:39] <jcoxon> Upu,no HF
[22:39] <Laurenceb_> im going to have to try and return everything and start from scratch
[22:39] <Upu> oh ok
[22:39] <jcoxon> thats the polish flight
[22:39] <Laurenceb_> - whole digikey order
[22:39] <Upu> so many I'm loosing track
[22:40] <Morseman> Announcement for FALCON says 434.650MHz 50Baud RTTY from 12pm
[22:40] <Morseman> Launching from Waltham Abbey but the link seems to take me to Brussels!
[22:41] <Lunar_Lander> hm
[22:41] <Morseman> Polish flight later in the month isn't it?
[22:42] <Morseman> I wonder if there's a minus sign missing in thaty link?
[22:44] <jcoxon> falcon is in belgium
[22:44] <Lunar_Lander> yea
[22:46] <Morseman> Post code into streetmap gives http://www.streetmap.co.uk/map.srf?x=540242&y=200112&z=0&sv=en9+3jq&st=2&pc=en9+3jq&mapp=map.srf&searchp=ids.srf
[22:46] <Morseman> Which looks nearer to Waltham Abbey...
[22:47] <Morseman> I wonder how they created this link? http://maps.google.co.uk/?ll=50.80008,4.368057&spn=0.040035,0.10746&hnear=Waltham+Abbey+EN9+3JQ,+United+Kingdom&t=v&z=13
[22:48] <eroomde> what do you mean?
[22:48] <eroomde> how to make a very specific google maps link?
[22:49] <Morseman> No, how to create one with lat/long for one place but call it something else...
[22:50] <Morseman> Click on the one for google maps, nowhere near Waltham Abbey...
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[22:50] <WB9SBD> Evening
[22:50] <Lunar_Lander> hello
[22:50] <WB9SBD> Whats up? he he he
[22:51] <Morseman> So, I guess the question is, is it launching from Brussels, or the UK, make quite a difference :-)
[22:51] <WB9SBD> What flight?
[22:51] <Morseman> Hello WB9SBD
[22:51] <Morseman> Falcon tomorrow - link in email says http://www.streetmap.co.uk/map.srf?x=540242&y=200112&z=0&sv=en9+3jq&st=2&pc=en9+3jq&mapp=map.srf&searchp=ids.srf
[22:52] <Morseman> But that's nowhere near Waltham Abbey...
[22:52] <Morseman> No it doesnt! That was my streetmap link!
[22:52] <Lunar_Lander> he's flying from BE
[22:52] <Morseman> Try again http://maps.google.co.uk/?ll=50.80008,4.368057&spn=0.040035,0.10746&hnear=Waltham+Abbey+EN9+3JQ,+United+Kingdom&t=v&z=13
[22:53] <Morseman> OK, so ignore the description, it's going from Brussels then?
[22:53] <WB9SBD> Gotta run guys, was just testing web page code for a flight coming up, and it works great. 73
[22:54] <Lunar_Lander> can anyone clear up what is up with Morsemans discovery?
[22:54] <Lunar_Lander> fsphil, Upu?
[22:54] <Lunar_Lander> eroomde: ?
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[22:54] <Upu> hmm ?
[22:54] <jcoxon> its belgium
[22:54] <jcoxon> its even on the tracker already
[22:54] <eroomde> they don't have a government or something
[22:55] <Lunar_Lander> xD
[22:55] <Lunar_Lander> why does his link fail
[22:56] <Morseman> So it is! and not Waltham Abbey LOL
[23:02] <Upu> ok tracker sorted
[23:03] <Upu> interesting live prediciton
[23:03] <Upu> I'd launch it now
[23:03] <Morseman> IARU appears to be JO20mx (499km 117 degrees from here)
[23:04] <Morseman> Is it likely to go eastwards?
[23:04] <Upu> checking
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[23:04] <Upu> http://habhub.org/predict/#!/uuid=e1439ed32ddd643cf76c55983f97a4bace603517
[23:05] <Morseman> Going to need to get high before it comes over my radio horizon I think
[23:06] <Laurenceb_> does anyone have an email address for hallam?
[23:06] <Laurenceb_> i heard he had se4120 samples
[23:09] <Randomskk> yea
[23:10] <Morseman> I can sometimes hear Dutch 70cm beacons on coast but further inland becomes more difficult unless conditions come 'up'
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[23:17] <Morseman> Off to get a lemsip and try to head this cold off
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[23:24] Action: Laurenceb_ zzz
[23:25] <CovBalloon> evening chaps
[23:27] <Lunar_Lander> hello CovBalloon
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[23:28] <CovBalloon> Hi Lunar_Lander, have I missed anything this vening
[23:28] <Lunar_Lander> tomorrow, NickB1 launches from Uccles in belgium
[23:29] <CovBalloon> 12pm?
[23:31] <Lunar_Lander> yea
[23:34] <Lunar_Lander> is this antenna good as a replacement on the yaesu? http://www.ebay.de/itm/BNC-Teleskopantenne-Scanner-Funkgerat-RX-25-1300-MHz-TX-140-160-MHz-/330695359655?pt=DE_TV_Video_Elektronik_Funkger%C3%A4te&hash=item4cfefabca7
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[23:35] <Darkside> Lunar_Lander: you want an antenna tuned for 70cm
[23:35] <Lunar_Lander> yea
[23:35] <Darkside> so no, not really, no
[23:36] <Lunar_Lander> more like http://www.ebay.de/itm/70cm-MAGNETANTENNE-MAGNETHAFTFUSSANTENNE-ANTENNE-BNC-/330415067229?pt=DE_TV_Video_Elektronik_Funkger%C3%A4te&hash=item4cee45d05d
[23:36] <Darkside> yeah
[23:36] <Lunar_Lander> ok
[23:36] <Darkside> maybe with not so much coax
[23:36] <Darkside> but that kind of thing
[23:37] <Lunar_Lander> and http://www.ebay.de/itm/YAGI-70cm-9dBi-380-500-MHz-RICHTANTENNE-/190570639113?pt=DE_TV_Video_Elektronik_Funkger%C3%A4te&hash=item2c5ee52f09
[23:38] <Darkside> you don't want one with a FME connector really
[23:39] <Lunar_Lander> oh
[23:39] <Lunar_Lander> why?
[23:39] <LazyLeopard> The RG-174 is a bit lossy at 70cms
[23:39] <Darkside> just find something with BNC
[23:39] <andrew_apex> that's not too bad
[23:40] <Lunar_Lander> OK
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[23:43] <andrew_apex> Lunar_Lander: it would need pointing at the balloon during the flight, but http://www.ebay.de/itm/KONNI-70cm-UHF-RICHTANTENNE-YAGI-AMATEURFUNK-PMR-446-/260768910883?pt=DE_TV_Video_Elektronik_Funkger%C3%A4te&hash=item3cb709ce23 is a nice aerial
[23:43] <Lunar_Lander> OK, thanks
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[00:00] --- Tue Mar 6 2012