highaltitude.log.20121109

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[01:18] <heathkid> hello Lunar_Lander
[01:19] <Lunar_Lander> hello
[01:20] <heathkid> anyone around here (in the US) fully understand PART 101 Subpart D - 101.35 Equipment and marking requirements?
[01:21] <heathkid> does that even apply to a 3 ft. mylar balloon?
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[01:38] <meatmanek> what are the favorite lightweight radio transmitters for balloons?
[01:39] <SpeedEvil> where are,you?
[01:41] <meatmanek> US, california
[01:41] <meatmanek> and I do have an amateur license
[01:42] <meatmanek> I used my VX5R and an OpenTrackerUSB for our first launch but we're thinking of maybe doing a glider launch, and that vx5r is not light
[01:44] <KT5TK_QRL> heathkid: Check the applicability at 14 CFR 101.1 (a)(4) http://www.law.cornell.edu/cfr/text/14/101.1
[01:46] <meatmanek> also, for APRS, what transmit power do people usually go with?
[01:50] <KT5TK_QRL> meatmanek: You will want to save power due to battery weight. Less than 1 W is more than enough. I use 100 mW
[01:50] <meatmanek> I figured as much.
[01:51] <SpeedEvil> line of sight is a wonderful thing
[01:51] <meatmanek> no kidding
[01:52] <SpeedEvil> 433mhz, 10mw =600km is silly
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[01:52] <meatmanek> wait really you can get that sort of range?
[01:52] <meatmanek> on 10mW
[01:52] <SpeedEvil> yes
[01:53] <KT5TK_QRL> Yes, but what counts is not the distance at high altitude. You want to make sure you can find your package when it comes close to the ground.
[01:53] <SpeedEvil> in the UK, we can only use licence exempt freqs
[01:53] <SpeedEvil> true, of course
[01:54] <SpeedEvil> you really only care about range for either looooong flights, where it vastly boosts your lisners, or at 2km and below
[01:55] <heathkid> KT5TK_QRL: so basically as long as I keep it under four pounds... none of that applies?
[01:55] <KT5TK_QRL> That's how I understand it.
[01:55] <SpeedEvil> last position over 2km, and finding it can be probelamtoc
[01:56] <SpeedEvil> I would recommend designing a payload you are OK with falling in your head
[01:57] <SpeedEvil> others views vary :-)
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[02:03] <heathkid> KT5TK_QRL: what about the HiBall NOTAM?
[02:04] <heathkid> I live about 5 miles West of an airport... I would at least call them and notify them of a launch...
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[02:07] <meatmanek> KT5TK_QRL well, range at high altitude would be nice. if we did a glider it'd be desirable to have relatively high-frequency updates
[02:07] <KT5TK_QRL> Not sure what HiBall did, but it's often a good practice to submit a NOTAM regardless of regulations. Depends on the size of the balloon what's reasonable. I think a NOTAM for a 3 ft mylar causes more confusion than it helps.
[02:07] <meatmanek> maybe not
[02:08] <heathkid> what about a 600g Kaymont?
[02:09] <KT5TK_QRL> For a 600g balloon we usually send a NOTAM
[02:11] <KT5TK_QRL> meatmanek: You mean a floater? For long duration flights you really want to save batteries. Then a packet every 5 minutes may be enough.
[02:12] <meatmanek> nah we mean like lifting a glider plane with a balloon and then attempting to land it somewhere easy to retrieve
[02:12] <KT5TK_QRL> OK, that may be different
[02:13] <meatmanek> I mean if we can trust the autopilot, telemetry data is basically just for our own sanity
[02:13] <meatmanek> bidirectional communication would be important though
[02:14] <KT5TK_QRL> Never did a plane thing. Make sure that you don't count on bidirectional communication.
[02:15] <KT5TK_QRL> The object in the air can "hear" a lot of QRM from the ground.
[02:15] <meatmanek> true
[02:15] <meatmanek> power limits on the ground are a lot higher though
[02:16] <meatmanek> well, power limits on the ground are basically limited to how much I want to spend on a transmitter
[02:16] <KT5TK_QRL> You will need something like 50 W at least
[02:16] <KT5TK_QRL> depends on the ground antenna
[02:17] <meatmanek> mmm
[02:18] <KT5TK_QRL> What receiver are you planning to use at the balloon or glider?
[02:18] <meatmanek> not sure
[02:20] <meatmanek> any suggestions? have you ever put a receiver on a balloon?
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[02:21] <KT5TK_QRL> Yes we have a DTMF decoder often at the main package of our August launches.
[02:21] <meatmanek> why DTMF
[02:21] <meatmanek> reliable?
[02:22] <KT5TK_QRL> This is used for switching the video cam or for cut down.
[02:22] <meatmanek> aha
[02:22] <KT5TK_QRL> Yes, that's pretty simple and reliable
[02:26] <heathkid> KT5TK_QRL: I picked up one of these http://www.ebay.com/itm/261114591451 for my first launch. I am planning on just this, a few batts and a 3 ft. mylar balloon just to get the APRS tracking stuff going, attempt recovery, etc. Does that sound like the best plan?
[02:26] <meatmanek> what receiver do you use?
[02:27] <heathkid> and what designator do I use with my callsign for a balloon? I've never done remote telemetry before...
[02:28] <KT5TK_QRL> heathkid: Nice. I didn't see them before. May get one too.
[02:28] <heathkid> it's tiny
[02:29] <meatmanek> looks like those HX1-144.390-3 transmitters are popular
[02:29] <meatmanek> just ran across http://www.byonics.com/mt-300 which also uses that
[02:29] <KT5TK_QRL> meatmanek: RX:That is an old 70cm Alinco. Don't remember the Type.
[02:29] <nigelvh> I'd lean towards the HX1-144.390-10 if you're doing APRS
[02:29] <meatmanek> what's the difference?
[02:30] <nigelvh> The bandwidth
[02:30] <meatmanek> ah
[02:30] <nigelvh> the 3 or 10 references the bandwidth in Khz
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[02:30] <meatmanek> makes sense.
[02:30] <nigelvh> However, they recommend the 10 model for APRS.
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[03:11] <heathkid> where did everyone go?
[03:11] <KT5TK_QRL> I'm still at work
[03:11] <KT5TK_QRL> Preparing a Prezi for my conference talk on Saturday
[03:13] <heathkid> aj
[03:13] <heathkid> ah
[03:13] <KT5TK_QRL> completely unrelated to #highaltitude though
[03:13] <heathkid> what designator do I use with my callsign for a balloon? I've never done remote telemetry before...
[03:14] <KT5TK_QRL> In APRS usually YOURCALL-11
[03:15] <KT5TK_QRL> for balloons
[03:15] <heathkid> does the -11 mean a balloon? I see that a lot on the balloon tracking sites
[03:15] <heathkid> thanks
[03:15] <KT5TK_QRL> That was an ancient convention. But yes, often used for balloons
[03:15] <heathkid> what's 1-10? :)
[03:16] <heathkid> I've been mobile, portable... but never a balloon or anything else
[03:16] <KT5TK_QRL> Wait. I'll try to look it up. -9 is car
[03:17] <heathkid> hmmm... my Yaesu VX8-DR (w/ GPS on the mic) and a 600g Kaymont...
[03:17] <heathkid> nah
[03:18] <heathkid> I'll stick with the trackduino thingy and a mylar for first attempt
[03:18] <heathkid> I'll still notify my local airport since they are so close
[03:19] <heathkid> although they are idiots anyway... had a twin engine plane swoop our lake below 50 ft.... I reported it but they had no record of any flights in the area? right....
[03:20] <heathkid> the plane was so low and fast it left a wake
[03:22] <heathkid> using a 3 ft. mylar... is a parashoot needed for the payload or will it just float back down?
[03:22] <heathkid> might toss in a keychain HD camera just for fun...
[03:22] <KT5TK_QRL> No parachute for a mylar.
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[03:23] <heathkid> I'll start with a mylar then
[03:23] <KT5TK_QRL> The total payload for a mylar should be below 50g
[03:23] <heathkid> for a 3 ft. mylar?
[03:24] <KT5TK_QRL> yes
[03:24] <heathkid> won't the batteries weigh that much?
[03:24] <heathkid> oh
[03:24] <KT5TK_QRL> 1.5V AA Lithium is ~11 g
[03:24] <KT5TK_QRL> A 9V block ~ 30 g
[03:25] <heathkid> doesn't leave much
[03:25] <KT5TK_QRL> I usually disassemble a 9 V block
[03:25] <KT5TK_QRL> just use the cells
[03:26] <KT5TK_QRL> => no parachute or camera
[03:26] <KT5TK_QRL> or you could use several mylars
[03:28] <KT5TK_QRL> http://tkrahn.dyndns.org/gallery2/main.php?g2_itemId=8315
[03:34] <nigelvh> KT5TK_QRL, did you do a NOTAM for the three mylars?
[03:34] <heathkid> nice!
[03:34] <heathkid> half filled?
[03:35] <KT5TK_QRL> nigelvh: No I didn't
[03:35] <nigelvh> What's the characteristics of the mylars as far as coming down? Do they pop, or do they just end up floating down?
[03:36] <KT5TK_QRL> http://ukhas.org.uk/projects:microballoons:data
[03:37] <nigelvh> Ah, good ol' ukhas being organized.
[03:37] <KT5TK_QRL> nigelvh: most come down from water condensate. Unless they burst
[03:39] <nigelvh> Interesting data. I've been thinking pretty hard on a mylar here at some point. Relatively cheap and don't need the big balloon for a small tracker.
[03:40] <KT5TK_QRL> Picos are real fun
[03:41] <nigelvh> Granted there's a lot I could do to reduce weight (for example half thickness boards like yours), but I just weighed my transmitter + gps without batteries or antenna at 35g.
[03:41] <KT5TK_QRL> Need perfect weather though.
[03:41] <nigelvh> Throw in some batteries, an antenna, and packaging, and it will be a bit heavier.
[03:41] <nigelvh> But a few balloons should cover it.
[03:42] <nigelvh> Is the wind an issue, or is it just the rain?
[03:42] <KT5TK_QRL> Rain will definitely ground a mylar.
[03:43] <KT5TK_QRL> The launch where I showed the photos was floating for 7 hours
[03:44] <nigelvh> The data I'm seeing shows you only half filled the balloons?
[03:44] <nigelvh> I assume if one was to fill it more fully, it's going to be less likely to float (as long)
[03:45] <KT5TK_QRL> Yes, just half. When it came slowly down the surrounding temperature came back over the freezing point and then the balloon suddenly dropped fast
[03:46] <KT5TK_QRL> I think this was because it collected condensate over the Gulf
[03:46] <nigelvh> Makes sense.
[03:50] <nigelvh> In any case, something like that is rather intruiging as an option in between the larger flights with the class each spring.
[03:50] <heathkid> KT5TK_QRL: have you recovered all your pico launches?
[03:50] <nigelvh> Plus gives me a chance to test new hard/software for much cheaper.
[03:51] <KT5TK_QRL> Best strategy for a Pico is to have everything ready at home and when the weather is perfect, just launch
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[03:53] <KT5TK_QRL> heathkid: I didn't plan on recovering the picos. This one was recovered, but it wasn't easy: http://tkrahn.dyndns.org/gallery2/main.php?g2_itemId=7399&g2_page=9
[03:53] <heathkid> yea, I've seen those pics before... wow!
[03:54] <nigelvh> What happened to his hand?
[03:55] <KT5TK_QRL> Jory tried to reach the payload with a tent pole
[03:55] <KT5TK_QRL> there was a rubber band inside
[03:56] <KT5TK_QRL> When he pulled back the elements of the pole detached and snapped back
[03:56] <nigelvh> Vicious tent pole
[03:56] <KT5TK_QRL> Unfortunately the hand was between the elements
[03:58] <nigelvh> At least he got a beer out of the deal.
[03:58] <KT5TK_QRL> Note that we launched at the Oktoberfest party :)
[03:59] <heathkid> so basically, on a pico... you just launch a couple hundred $ worth of stuff up in the air... track it... and "well, that was fun"?
[03:59] <nigelvh> I think it depends on where you're hoping it lands.
[03:59] <KT5TK_QRL> Yes and you try to gain experience with floating
[04:00] <heathkid> I live in Indiana... the weather changes every 10 minutes
[04:00] <KT5TK_QRL> which you may use on big balloons
[04:00] <heathkid> so start small (and disposable?)
[04:00] <nigelvh> People generally try to make picos pretty cheap
[04:01] <heathkid> define cheap?
[04:01] <nigelvh> I've heard of guys that have their trackers complete for $35-50
[04:02] <KT5TK_QRL> $100-150 total
[04:02] <heathkid> the transmitter/gps/temp thingy http://www.ebay.com/itm/261114591451 isn't exactly cheap
[04:02] <heathkid> guess I could do a HF TX w/ CW <$20
[04:03] <nigelvh> People tend to make their own for much cheaper.
[04:03] <heathkid> harder to track
[04:03] <KT5TK_QRL> The biggest cost factor is the GPS
[04:04] <heathkid> yea, I just got a couple of qBlox-6 w/ helical antennas....
[04:04] <heathkid> not cheap... but great for a larger balloon
[04:05] <KT5TK_QRL> Since I do development on my Pecan boards anyways, I let them fly one after the other
[04:05] <heathkid> have a "flight mode" good up to 165,000 ft.
[04:06] <heathkid> own stock in a GPS chip company? lol
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[04:07] <nigelvh> Though, for a pico with mylar you shouldn't need the high altitude GPS function.
[04:07] <heathkid> right
[04:07] <heathkid> so cheap GPS
[04:07] <heathkid> still $20 or so (surplus)
[04:08] <nigelvh> Just need to order them in bulk. Say 1000 of them. Get them cheap that way.
[04:08] <heathkid> right nigelvh
[04:08] <heathkid> want to buy 980 of them from me?
[04:08] <heathkid> lol
[04:08] <nigelvh> What? You don't wanna buy 1000 gps modules?
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[04:08] <heathkid> I've already got probably 25 or so
[04:09] <heathkid> had two more arrive yesterday
[04:09] <KT5TK_QRL> Get them from old iphones ;)
[04:09] <heathkid> but they are timing GPS modules...
[04:10] <heathkid> actually... I have thought about launching my Galaxy S3.... but not sure the insurance would cover it.
[04:10] <heathkid> all the sensors needed
[04:10] <heathkid> even a camera
[04:10] <nigelvh> Do you have to explain the situation to insurance?
[04:10] <nigelvh> "I lost it"
[04:11] <heathkid> :P
[04:11] <SpeedEvil> :-)
[04:13] <heathkid> "when was the last time you saw it?".... uh... "it was about 130k feet above the Atlantic ocean...
[04:14] <heathkid> damn... they don't cover water damage!
[04:14] <nigelvh> "I was in this field watching some balloon festival or something, and when I got home I couldn't find it."
[04:14] <heathkid> it's the perfect payload
[04:14] <heathkid> you have to agree...
[04:15] <heathkid> although with GPS turned on the battery time sucks
[04:15] <nigelvh> 2-3 hours worth?
[04:15] <heathkid> more like 10
[04:16] <nigelvh> With the GPS on and using cellular connection?
[04:16] <heathkid> GPS and wifi turned off I can get 24+ hours easy
[04:16] <heathkid> yea... about 10 hours
[04:16] <nigelvh> Then you've got plenty.
[04:17] <heathkid> not to do an extremely LEO
[04:17] <heathkid> that's my end goal
[04:17] <heathkid> I know that's insane
[04:18] <nigelvh> insane is one word for it
[04:18] <heathkid> but not exactly
[04:18] <heathkid> just not in my budget
[04:18] <nigelvh> There would be some significant monies involved in a project like that.
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[04:19] <heathkid> high pressure and zero pressure balloons... multiple platforms changing over the flight
[04:19] <nigelvh> And that's even assuming you don't get caught in an eddie
[04:19] <heathkid> yes, significant... but could be done
[04:19] <heathkid> LOTS of assuming
[04:19] <nigelvh> I worked with a guy who was launching balloons over antarctica for a month or so, and they'd just kinda circle the continent.
[04:20] <nigelvh> Granted, the winds are different down there.
[04:20] <heathkid> plan is to launch from my backyard and LAND in my backyard... one Earth orbit.
[04:20] <nigelvh> The backyard bit may be a little ambitious.
[04:20] <heathkid> the payload via UAV... not the balloon...
[04:21] <heathkid> that's my ultimate goal with all this...
[04:21] <heathkid> start with a few mylars and APRS...
[04:21] <heathkid> learn, repeat, improve...
[04:22] <heathkid> right?
[04:22] <nigelvh> Well, it's ambitious.
[04:23] <heathkid> if I'm going to dream... why not dream BIG?
[04:23] <nigelvh> True enough
[04:23] <heathkid> oh... and the final payload is a small rover... :P
[04:23] <heathkid> why not
[04:24] <nigelvh> Just take the balloon to mars why don't you?
[04:24] <nigelvh> Balloon -> Rocket -> Parachute -> UAV -> Rover on Mars.
[04:24] <heathkid> hmmm... now there's a thought! The mylars become solar sails! hehe
[04:24] <nigelvh> Stick it to the man
[04:25] <nigelvh> Tell NASA who's the boss.
[04:25] <heathkid> well they are
[04:25] <heathkid> sure... they certainly don't know
[04:25] <nigelvh> No, your undercutting the man. You're going outside the system. Your inventing your own paradigms!
[04:26] <nigelvh> You're*
[04:26] <heathkid> oh
[04:26] <heathkid> sorry...
[04:27] <heathkid> and yes... been planning a mission of that scale... just not to Mars...
[04:27] <nigelvh> If you're going to dream that big, then I'll dream big and wish that you succeed, make a billion dollars, and give a few million to me for supporting you when everyone thought you were crazy.
[04:27] <heathkid> :)
[04:27] <heathkid> you don't think I'm crazy?
[04:28] <heathkid> a HAB rocket launch platform is as close as we'll get to a space elevator anytime soon... and cheaply
[04:28] <heathkid> but takes a BIG balloon and a BIG rocket too....
[04:28] <heathkid> doesn't really work
[04:29] <nigelvh> I've heard ideas about making a 3D tv by ionizing the air in front of the viewer and managing to not kill the viewer with the radiation you're ionizing the air with. In comparison yours is totally reasonable (just needs money).
[04:29] <heathkid> :)
[04:30] <heathkid> kickstarter... goal needed... $10B+
[04:30] <heathkid> you'll get a t-shirt
[04:30] <nigelvh> Just remember a few million goes to me.
[04:30] <heathkid> a t-shirt
[04:30] <nigelvh> Made out of million dollar checks?
[04:31] <heathkid> carbon fiber nanotubes
[04:31] <nigelvh> Interlaced with diamonds?
[04:31] <heathkid> in a neural network matrix
[04:31] <heathkid> just add power
[04:32] <heathkid> and some liquid
[04:32] <heathkid> darn dendrites...
[04:32] <nigelvh> Sounds like you're trying to make some Borg.
[04:32] <heathkid> have you seen dendritic growth on a PCB?
[04:32] <nigelvh> Yeah
[04:33] <heathkid> VERY similar to the way neurons interact
[04:33] <nigelvh> Not to any of my boards (I use leaded solder), but I've seen photos.
[04:34] <heathkid> I could (if it wasn't confidential) show you photots of dendrites that look exactly like what forms brain cells...
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[04:34] <nigelvh> I can imagine
[04:34] <heathkid> electronics + liquid = *bad*
[04:34] <nigelvh> Again, the borg.
[04:35] <heathkid> yep
[04:35] <heathkid> at first I thought dendrites formed like lightning.... uh, no.
[04:35] <nigelvh> Just remember when you create the borg to let them know I'm not a threat and offer no value if assimilated.
[04:35] <heathkid> they seem to form in an "intelligent" way
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[04:36] <heathkid> everyone on freenode is safe
[04:36] <heathkid> and I'm so anti-borg...
[04:36] <nigelvh> From what I've seen and read, it's from crystaline irregularities and tension in the tin causing it to "grow" material out the side.
[04:37] <heathkid> heh
[04:38] <heathkid> from what I've seen... it's NOT a random crystaline growth
[04:39] <heathkid> and not just tin... but silver too
[04:39] <nigelvh> Granted, I don't know what you've seen, but I've studied a bit of geology, and it's very reminicient to me.
[04:40] <heathkid> I collect meteorites... I've seen what metal crystalizes into over millions of years of cooling...
[04:40] <heathkid> not the same
[04:40] <heathkid> and certainly not as fast
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[04:40] <heathkid> in 3 months or less... a circuit could "re-wire" itself...
[04:40] <heathkid> just add water
[04:41] <nigelvh> No, not the cooling. Internal "pressure" in the structure.
[04:41] <nigelvh> I'm sure water does something to the metal there.
[04:50] <heathkid> back to balloons and I'm off to bed... goodnight everyone.
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[04:59] <nigelvh> Evening. Sorry I was away for a few. Talking with the fiance.
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[07:27] <nosebleedkt> Ok. The customs ask 190e. If they send it back to US they will ask sparkfun to pay another 120euro. Else the package is marked 'lost'
[07:28] <x-f> sounds like blackmail to me
[07:29] <x-f> did they explain how do they calculate those 190 euros?
[07:29] <nosebleedkt> yep
[07:29] <nosebleedkt> just 70euros go to the person that handles the whole stuff.
[07:30] <nosebleedkt> 30% taxes
[07:30] <nosebleedkt> another % for something else
[07:30] <nosebleedkt> and they grow up to 190
[07:32] <nosebleedkt> If I find a person and get there with my aknowlegement/signature he will get the package at 120e
[07:33] <x-f> 30% in taxes sound similar to my country, but not sure about those 70 euros
[07:34] <nosebleedkt> its greek customs bullies. Pay or your package is marked lost.
[07:34] <x-f> i do know that people here have ran into similar hassle with customs when they have chosen UPS for shipping
[07:35] <nosebleedkt> man 190e customs for a 200e order?
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[07:36] <x-f> maybe your order was insured? if it gets "lost" you'd get back some monies
[07:37] <nosebleedkt> yes its is insured. But to get it 'lost' and get some money back is not a desired solution.
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[08:02] <jcoxon> morning
[08:06] <fsphil> mornin
[08:07] <jcoxon> oops, forgot to thread on the heatshrink in advance
[08:07] <jcoxon> now to push it over 10m of coax
[08:12] number10 (569e1aa0@gateway/web/freenode/ip.86.158.26.160) joined #highaltitude.
[08:12] <Upu> morning all
[08:12] <Upu> almost a sunny day in Brightwalton
[08:13] <jcoxon> what time is launch?
[08:13] <Upu> TV crew so you guess
[08:13] <Upu> aiming for 12:00
[08:14] <number10> morning
[08:17] <Upu> solar payload may be iffy , I read a data sheet last night
[08:17] <Upu> the regulator can lock up under certain circumstances
[08:17] <Upu> when powered by solar
[08:17] <Upu> wwe are going to launch it anyway
[08:17] <Upu> see what happens
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[08:32] <fsphil> In case I miss them, good luck with the launches today
[08:34] <x-f> you're starting your trip to Australia?
[08:34] <fsphil> aye
[08:35] <Darkside> woo
[08:35] <Darkside> watch out for the drop bears when you get here
[08:35] <Darkside> and the snakes
[08:35] <x-f> that's great
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[08:35] <fsphil> I'll make sure to get a hard hat :p
[08:35] <x-f> fsphil, good luck with that and clear skies!
[08:36] <fsphil> hope so, but won't be too disappointed if it's cloudy
[08:36] <griffonbot> Received email: "Re: [UKHAS] Launch Announcement - Friday 9th November from Brightwalton"
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[08:39] <Upu> http://i.imgur.com/3avS9.jpg
[08:40] <fsphil> I had to read that red sticker twice
[08:40] <number10> I thought he was going to tidy up Upu ;)
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[08:41] <griffonbot> Received email: Anthony Stirk "Re: [UKHAS] Launch Announcement - Friday 9th November from Brightwalton"
[08:42] <griffonbot> Received email: "Re: [UKHAS] Launch Announcement - Friday 9th November from Brightwalton"
[08:43] <Upu> Dave is just getting miked up
[08:44] <daveake> Bacon butties have arrived
[08:44] <fsphil> phew
[08:45] <eroomde> helped the oxford guys launch this morning
[08:45] <daveake> oh good
[08:45] <daveake> go ok?
[08:45] <eroomde> released at 7.15
[08:45] <eroomde> yep fine
[08:45] <eroomde> no probs
[08:45] <Upu> no tracking ?
[08:45] <eroomde> no, they just had 2 spots
[08:45] <Upu> ok
[08:46] <LazyLeopard> Ah...
[08:46] <eroomde> was going to suggest it but not as such short notice and didn't want to risk clashing with your stuff
[08:46] <eroomde> i think they were quite content to just get a text on landing
[08:46] <Upu> fair enough
[08:46] <LazyLeopard> They still in the air?
[08:47] <eroomde> i would have thought so yes
[08:47] <eroomde> still ascending
[08:47] <eroomde> last text about an hour ago
[08:47] <eroomde> suggesting the 60kFt mark is around then
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[08:48] <eroomde> and i think it will go to about twice that
[08:48] <LazyLeopard> So they're sitting a cafe somewhere near the predicted landing position biting their nails and wondering, then... ;)
[08:48] <eroomde> yep!
[08:48] <eroomde> somewhere south of cam on the M11
[08:48] <eroomde> hope it doesn't float!
[08:48] <eroomde> it's a h1200g
[08:49] <Upu> using an 800g today
[08:49] <eroomde> but i put >5m/s into it and the payload was 1.5kg
[08:49] <jcoxon> eek TV
[08:49] <daveake> eeky eek eek
[08:49] <daveake> It's for a good cause :D
[08:50] <Upu> Its for the kids James :)
[08:50] <jcoxon> thats what they all say
[08:50] <jcoxon> right, have got my coax into the house
[08:50] <Upu> media tart Dave is miked up and ready to present
[08:50] <daveake> Helping the next generation become programmers rather than Joshes
[08:50] <Upu> lol
[08:50] <jcoxon> now to add the connector and the for the first time have an externally mounted antenna
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[08:50] <RG_lz1dev> watching ssdv.habhub.org reminds me of 33.6k modems
[08:51] <daveake> 33.6? Luxury
[08:51] <Upu> thats me eating a bacon butty
[08:51] <fsphil> needs more animated gifs and banners
[08:51] <jcoxon> RG_lz1dev, its a bit slower though :-)
[08:51] <RG_lz1dev> i said remind
[08:52] <jcoxon> hehe
[08:52] <RG_lz1dev> cant remember further back
[08:52] <daveake> a - it's slower than a 33.6. b - it's Upu and not porn
[08:52] <RG_lz1dev> OH!
[08:52] <RG_lz1dev> he's having a snack
[08:52] <Upu> bacon porn
[08:52] <RG_lz1dev> good idea
[08:54] <eroomde> i woke at 5 all ready to make myself a bacon sandwich
[08:55] <eroomde> pre launch necessity
[08:55] <eroomde> and found that i absolutely couldn't swallow
[08:55] <eroomde> and still can't really
[08:55] <eroomde> after a pack of lemsip max
[08:55] <eroomde> i seem to have got bad flu since last night
[08:57] <jcoxon> eroomde, i'm sure you are constantly sick
[08:58] <eroomde> it's been bad this last few months
[08:58] <jcoxon> might be worth getting a flu jab
[08:58] <eroomde> but i felt right as rain yesterday
[08:59] <number10> boots do the jab ffor about £15
[08:59] <eroomde> but they're for old people
[08:59] <jcoxon> yeah
[08:59] <eroomde> i've seen the adverts
[08:59] <jcoxon> i've had one this year
[08:59] <jcoxon> not worth getting flu
[09:00] <eroomde> no indeed
[09:00] <jcoxon> though you shouldn't get the jab if you are already feeling unwell
[09:00] <jcoxon> more companies should offer them
[09:00] <eroomde> that's what they said this morn
[09:00] <number10> anyone can get it done at boots
[09:00] <eroomde> virology research lab were doing the launch
[09:01] <jcoxon> surely 15 per person is better then 3 days off work
[09:01] <jcoxon> (from an economic point of view)
[09:01] <jcoxon> eroomde, any virology involved in the launch or just engineering?
[09:02] <number10> thats how eroomde got his sudden flu
[09:02] <eroomde> it was their launch
[09:02] <eroomde> their annual silly fun thing
[09:02] Action: jcoxon was hoping that they were looking for viruses at altitude or testing cosmic ray mutations on them :-p
[09:02] <russss> 3 days is optimistic too, last time I had flu I was off for a week
[09:04] <eroomde> number10: as the top comment says, quite fun watching bernstein in fully-ecstatic mode
[09:04] <eroomde> http://youtu.be/BwT3mGz5MyA?t=47m42s
[09:05] <eroomde> ssdv is about to show me a bottom isn't it
[09:06] <RG_lz1dev> the anticipation
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[09:13] <hibby> who's bum can I see in ssdv?
[09:14] <eroomde> we got a bit of a bum deal with this feed
[09:14] <fsphil> bummer
[09:15] <hibby> two drums and a cymbal fall off a cliff: da-bum-tsh
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[09:22] <number10> eroomde: thats probably better than a workout down the gym
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[09:23] <eroomde> just got a text from oxford's spot tracker
[09:23] <number10> ~I see ssdv is showing Upu eating bacon butties - thats cruel to put that online and make us all hungry
[09:23] <eroomde> just east of J10 of the M11
[09:24] <eroomde> right on the money
[09:25] <RG_lz1dev> how about a different angle :\
[09:26] <eroomde> number10: he was a true ecstatic
[09:26] <eroomde> i saw in a biography of kleiber that when bernstein saw kleiber he got down on one knee
[09:26] <eroomde> and when he was rehersing something he was wondering why he could hear sobbing from behind
[09:26] <eroomde> bernstein had snuck in to hear the rehersal
[09:27] <eroomde> doesn't sound like an easy person to live with
[09:27] <eroomde> infact he left his wife and adult children to run off with a male undergrad
[09:27] <eroomde> so...
[09:28] <Randomskk> eroomde: have you seen today's xkcd?
[09:31] <eroomde> i actually lolled
[09:32] <Randomskk> disappointingly my 4f6 lecture today has actually been cancelled
[09:32] <zyp> it reminds me of my old statistics prof
[09:32] <eroomde> we put some grafity up in the sig proc tea room which lasted quite a while
[09:32] <eroomde> Love Bayes Hate Racism
[09:32] <zyp> he used to joke about frequentist vs bayesian
[09:32] <eroomde> wanted to get some of those wrist bands made too
[09:32] <Randomskk> eroomde: haha
[09:32] <Randomskk> zyp: my current statistics prof doesn't _joke_ about frequentist vs bayesian
[09:32] <eroomde> frequentists are a joke
[09:32] <eroomde> so it's allowed
[09:33] <zyp> eroomde, yes, I think that's was the point my prof tried to make
[09:34] <eroomde> i feel like this must be what it's like to be religious
[09:34] <eroomde> =things you encounter every day just serve to make you more sure that bayesianism is Correct
[09:34] <eroomde> with a capital C
[09:42] <hibby> man, this pie balloon seems to be in some sort of low-altitude, small area float - it's fascinating
[09:42] <eroomde> log the varience
[09:42] <eroomde> a measure of the uncertainty in alt records
[09:44] <hibby> it appears to be almost 70 $units_of_measurment
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[09:48] <RG_lz1dev> its a quantum balloon
[09:49] <The-Compiler> heya, I'm planning to do a launch somewhen next summer and I'm evaluating what kind of radio to use right now
[09:51] <The-Compiler> getting an own reciever for RTTY is too expensive, and listeners in the UK probably doesn't help me, since I'm in Switzerland which is about 800 km from London
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[09:52] <The-Compiler> so I'm thinking about using a SPOT tracker, XBee or GSM right now. Any inputs on that? Anything else I should consider?
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[09:55] <m0psi> upu, just leaving now. see you in about 1hr
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[09:57] <Upu_London> nps
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[09:59] <Upu_London> can anyone confirm if stream working pls
[10:00] Nick change: Upu_London -> Upu_M0UPU
[10:01] <x-f> Upu_M0UPU, it does
[10:01] <Upu_M0UPU> thx
[10:01] <Upu_M0UPU> Pie might be RV
[10:01] <Upu_M0UPU> not sure will check with Dave
[10:02] <Upu_M0UPU> just stopping stream for a few
[10:02] <fsphil> just a reminder, you need to refresh the ssdv page or it won't update
[10:03] <Upu_M0UPU> Dave's testing at 600 baud atm
[10:03] <Upu_M0UPU> I'm sat in the car outside
[10:03] <fsphil> I bet they fast forward this bit
[10:03] <daveake> Pie is USB. No Rv
[10:04] <Upu_M0UPU> Odd checking this reciever
[10:04] <daveake> I got asked to delete the bum images :D
[10:04] <fsphil> haha
[10:04] <Upu_M0UPU> My reciever is in USB but using RV
[10:04] <Upu_M0UPU> oh well
[10:04] <zyp> RV?
[10:04] <Upu_M0UPU> reverse on dl-fldigi
[10:04] <fsphil> reverse USB
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[10:04] <fsphil> basically LSB
[10:06] <daveake> current pic is the cameramen having fun
[10:06] <hibby> The-Compiler: gsm won't give you in-air tracking, given that cell companies don't radiate into the sky for financial reasons, and a 1mW gsm signal is hard to receive from that height...
[10:06] <Upu_M0UPU> hows it going Dave ?
[10:08] <The-Compiler> hibby: Yep, thinking about XBee as a main transmitter, and GSM as a fallback or so
[10:12] <Darkside> cbee >_>
[10:12] <Darkside> xbee >_>
[10:12] <Darkside> on what frequency
[10:12] <Darkside> 900mhz xbee with enough power could possibly work
[10:13] <The-Compiler> 868 MHz
[10:13] <Darkside> but i'd still be using the standard 434MHz RTTY stuff, as its super super reliable
[10:13] <Darkside> and 10mW gets you a loooooooong way
[10:13] <The-Compiler> we just don't have the money to get a reciever, and it probably won't make it to the UK
[10:13] <Darkside> uh
[10:13] <Darkside> where are you launching from?
[10:13] <The-Compiler> Switzerland
[10:13] <Darkside> even still
[10:14] <Darkside> i predict you'll have reliability issues
[10:14] <Darkside> and the xbee stuff is going to be a hell of a lot harder to track via alternate means
[10:14] <gonzo_> enlist some local radio amateurs
[10:14] <Darkside> trying to DF the signal from that is going to be a pain
[10:14] <Upu_M0UPU> yeah do what the guy from Poland did
[10:14] <Upu_M0UPU> go round some local clubs
[10:14] <Darkside> The-Compiler: you can get a receiver suitable for RTTY for like 50 pounds
[10:14] <Upu_M0UPU> give a talk you'll recruit many :)
[10:15] <Darkside> RTL-SDR + Habamp
[10:15] <Upu_M0UPU> I just bought an ICOM IC-R10 for £00
[10:15] <Upu_M0UPU> £100
[10:15] <Darkside> Upu_M0UPU: nice
[10:15] <The-Compiler> Darkside: we only plan to track the XBee ourselves without other listeners
[10:15] <Upu_M0UPU> and its decoding Dave's payload @ 600 baud just fine
[10:15] <Darkside> The-Compiler: well there's your first mistake
[10:15] <Darkside> always have multiple trackers
[10:15] <The-Compiler> and I guess I'm happy as long I know where it lands
[10:16] <Darkside> you may not get that
[10:16] <Darkside> seriously.
[10:16] <Darkside> use the 434mhz stuff
[10:16] <Darkside> reliability shoudl be you rprimary concern
[10:17] <eroomde> to be fair multiple listeners is a fairly new thing
[10:17] <eroomde> it worked ok when it wasd just the launchers tracking
[10:17] <jcoxon> indeed
[10:17] <Darkside> hey jcoxon i have some questions abotu the foil balloon picos
[10:18] <jcoxon> go for it Darkside
[10:18] <Darkside> so, i have some qualatex 36" microfoils
[10:18] <Darkside> and some gas
[10:18] <Darkside> and a 27g payload
[10:19] <Darkside> i noticed you underfill your foil balloons
[10:19] <Darkside> how much by?
[10:19] <jcoxon> so i fill indoors
[10:20] <jcoxon> and use steves calc to work out roughly the fill
[10:20] <NigelMoby> meh just guess :)
[10:20] <jcoxon> but the key is to actually measure teh ascent rate indoors
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[10:21] <Darkside> heh
[10:21] <jcoxon> http://wiki.ukhas.org.uk/_media/projects:float1b.xls
[10:22] <eroomde> someone - what was the name of the promising sat modem at the conf?
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[10:22] <Upu_M0UPU> I have one at home
[10:23] <Darkside> jcoxon: ok, i think i have enough vertical space to measure the ascent
[10:24] <jcoxon> for float you are aiming for just less then 1m/s
[10:25] <Upu_M0UPU> oooo sun
[10:25] <Darkside> hmm what are the specs on the 36" qualatexs?
[10:25] <Darkside> 0.1m^3?
[10:25] <Darkside> and 37g i guess?
[10:25] <jcoxon> yeah
[10:26] <Darkside> k
[10:26] <NigelMoby> Jcoxon that pico balloon data on the wiki needs graphing, enough data there now to spot any trends I think.
[10:26] <jcoxon> true
[10:26] <Darkside> hmm
[10:26] <Darkside> is that spreadsheet meant to give the ascent rate?
[10:27] <NavracWork> no it doesnt
[10:27] <NavracWork> but it allows you to aim at a float altitude.
[10:27] <Darkside> hmm
[10:27] <NavracWork> I use it to measure free lift and go on that
[10:28] <Darkside> hmm
[10:28] <eroomde> approx costthanks for the link
[10:29] <Darkside> i cant measure that little lift accurately
[10:29] <NigelMoby> mark, a bit of extra info .. the 36 will lift max of 60gm
[10:29] <NavracWork> the biggest issue i found was to make sure you measure the free lift outside - not in a warm house and then go out into the cold.
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[10:29] <Darkside> cold
[10:29] <Darkside> australia
[10:30] <Darkside> >_>
[10:30] <NigelMoby> lol
[10:30] <NavracWork> i just tie a temporary knot so the payload is 200mm from the balloon then hang something that weighs 2gram and fill till it gets equilibrium
[10:30] <Darkside> hmm
[10:30] <Darkside> hm
[10:30] <Darkside> will have to work otu the helium gas density at 25 degrees
[10:30] <Darkside> actually, at 31 degrees
[10:30] <Darkside> it'll be cooler inside the house than outside
[10:30] <NavracWork> with the aid of a bit of tube you can let gas out of a pico if you overfill
[10:31] <NigelMoby> hmm tricky with the qualatex their valves are evil
[10:32] <NavracWork> I';ve got the hang of them now
[10:32] <Darkside> grr
[10:32] <jcoxon> yeah i've got the hang of them
[10:33] <Darkside> is there a helium density vs temp table
[10:33] <jcoxon> pinch above the straw
[10:33] <Upu_M0UPU> doing ssdv on demand for tv lol
[10:33] <Darkside> i need the density at 30 degrees C
[10:33] <Darkside> which is what the temp will be when i do this
[10:33] <Upu_M0UPU> 30 ?
[10:33] <Upu_M0UPU> lol
[10:34] <Darkside> yes, 30
[10:34] <Darkside> 0.1609
[10:35] <Darkside> right
[10:35] <Darkside> sooo
[10:35] <mattbrejza> tv?
[10:35] <Darkside> i know my payload weight, i know my gas density
[10:36] <Darkside> jcoxon: so how do you go from ascent rate to launch fill?
[10:36] <Upu_M0UPU> yeah doing some filming for a kids tv program about computing at Daves
[10:36] <Upu_M0UPU> I'm sat in the car outside
[10:36] <Darkside> you were banned from tv
[10:37] <NavracWork> too worrying looking for kids?
[10:37] <mattbrejza> oh
[10:37] <Upu_M0UPU> lol
[10:37] <Darkside> yup
[10:37] <Darkside> too dodgy looking
[10:37] <jcoxon> Darkside, whats your payload mass?
[10:37] <NigelMoby> 27
[10:37] <Darkside> nah
[10:37] <Darkside> lets say 31
[10:38] <NigelMoby> make ure mind up lol
[10:38] <Darkside> with string
[10:38] <Darkside> and tape
[10:38] <Darkside> probably 31
[10:41] <Darkside> pretty much, what ascent rate shoudl i be aiming for
[10:41] <jcoxon> 0.8m/s to 1m/s
[10:41] <Darkside> ok
[10:42] <Darkside> hmm
[10:42] <Darkside> if i launch in the morning i should be able to fill inside
[10:42] <Darkside> as it'll be a pretty similar temp
[10:43] <Darkside> should be about 20 degrees inside and outside
[10:43] <Upu_M0UPU> daveak_ filled his 2 weeks before he used it
[10:43] <Darkside> lol
[10:43] <Darkside> well i have 3 balloons
[10:43] <jcoxon> Darkside, just go for it :-)
[10:43] <Darkside> lol
[10:43] <jcoxon> a rough test of ascent rate
[10:43] <Darkside> well if it bursts early i'll go get it back
[10:43] <jcoxon> the super-pressure should compensate
[10:44] <Darkside> if it doesn't burst early, it shoudl end up somewhere in victoria
[10:45] <NavracWork> there is some data on the wiki about the burst pressure of those balloons so you can play with the figures to get a decent height. Its probably accurate +/-10%
[10:45] <NigelMoby> mark, fill it with a 5 gram weight attached, when it hits neutral ure good to go.
[10:45] <Darkside> 5 gram?
[10:45] <Darkside> oh
[10:45] <Darkside> right
[10:46] <jcoxon> hmmm
[10:46] <jcoxon> my last flight was about 1.5g free lift
[10:46] <NavracWork> i used a lot less than that
[10:46] <NigelMoby> yeah but he's in a stupidly hot country...
[10:46] <jcoxon> my suggestion is just measuring the ascent rate roughly
[10:47] <NavracWork> I used a half pence piece
[10:47] <Darkside> ill try that
[10:50] <hibby> The-Compiler: GSM would work on the ground level as a backup, as for xbee, not sure - it's pretty low power too.
[10:51] <hibby> the reason we use rtty is the efficiency with available power because of the small bandwidth and low baud rate...
[10:53] <NavracWork> the trouble is all these low cost receivers like zigbee are quite rubbish for long ranges. A cheap sdr dongle and preamp will give much better performance
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[11:07] <jcoxon> clever APRS people
[11:07] <jcoxon> i'm playing again with QTMM (an AFSK decoder)
[11:07] <Darkside> ?
[11:07] <Darkside> ah
[11:08] <jcoxon> and want to emulate a KISS TNC
[11:08] <jcoxon> so that i can connect Xastir etc
[11:08] <jcoxon> i understand that Kiss protocol says:
[11:08] <jcoxon> 0xC0 0x00 then the data then 0xC0
[11:10] <jcoxon> so i should be able to create an array
[11:10] <jcoxon> put in the first 2 hex values
[11:10] <jcoxon> then put in my data and finally the final hex value
[11:11] <jcoxon> then out put the complete array to give me my KISS packet
[11:12] <Upu> heading out to launch site about 11.40 I think
[11:21] <Darkside> not suire
[11:21] <Darkside> jcoxon: not quite
[11:21] <Darkside> theres some escaping too
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[11:54] <jcoxon> i'm going to clear the tracker
[11:54] <jcoxon> there are already 5000 points
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[11:56] <Darkside> lol
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[12:04] <daveake> filming @ home over
[12:04] <daveake> thankfully
[12:04] <Darkside> Upu_M0UPU: you can come in now!
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[12:08] <cuddykid> ha, good luck daveake! :)
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[12:10] <craag> mfa298: Your longitude is the wrong sign :P
[12:11] <craag> Unless you really are /MM
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[12:12] <mfa298> I was just trying to fix it.
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[12:13] <gb73d> Hi M1ELK here , will monit BUZZ
[12:13] <Upu_M0UPU> ok at launch site
[12:13] <gb73d> rgr gl
[12:13] <Upu_M0UPU> stream up
[12:13] <Darkside> woo
[12:13] <Darkside> THE FIELD
[12:13] <G7PMO_Kev> :)
[12:14] <Darkside> A HAND
[12:14] <Darkside> THE SKY
[12:14] <Darkside> brilliant
[12:14] <Upu_M0UPU> yeah 1 sec its raining need to bring it in the car
[12:16] <Upu_M0UPU> its cold
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[12:17] <Upu_M0UPU> stream is back
[12:17] Nick change: number10 -> number10_M0MDB
[12:17] <Upu_M0UPU> waiting on Dave to arrive
[12:18] <Darkside> HURRY UP DAVE
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[12:21] <Navrac_work> he's trying to extend his 15 minutes of fame a bit longer
[12:22] <Navrac_work> i think ive got fldigi controlling the funcube via hdsdr - i'll be interested to see if the afc works
[12:23] <Upu_M0UPU> 404 dave missing
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[12:26] <Darkside> !!
[12:26] <Darkside> moving
[12:26] <Darkside> UPU
[12:26] <Darkside> SLOW DOWN
[12:26] <Darkside> PEDESTRIANS
[12:27] <Darkside> wat
[12:27] <Darkside> driving ont he grass!
[12:27] <Darkside> naighty
[12:27] <Darkside> get off my lawn
[12:27] <G7PMO_Kev> nice tour :)
[12:27] <Darkside> hahaha so upu was sitting there the whole time
[12:27] <x-f> he found daveake!
[12:27] <Darkside> not realising dave was just around th corner
[12:27] <Darkside> bahaha
[12:27] <G7PMO_Kev> :)
[12:28] <Darkside> silly upu
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[12:29] <Navrac_work> the bunting is waving a bit
[12:30] <Darkside> tucking his shirt in
[12:30] <Darkside> HI DAVE
[12:30] <G7PMO_Kev> what a place to tuck your self in :)
[12:30] <Darkside> HI UPU
[12:30] <number10_M0MDB> probably be gone 1300 by the time they launch
[12:31] <Darkside> hehe
[12:31] <fsphil> what I miss?
[12:31] <Darkside> dave making silly faces
[12:31] <fsphil> ahh
[12:31] <Upu_M0UPU> sorry
[12:31] <Upu_M0UPU> tv bs
[12:31] <Darkside> hey upu
[12:31] <Darkside> lol
[12:31] <Upu_M0UPU> unpacking on camera
[12:31] <Upu_M0UPU> :/
[12:31] <fsphil> hah
[12:31] <Darkside> hahahahahahahahahaha
[12:31] <Darkside> yep
[12:31] <fsphil> smile!
[12:32] <Darkside> woo, a better view
[12:32] <Darkside> i wish we had sound
[12:32] <Darkside> bah
[12:32] <Darkside> i think you dropped a coin in there
[12:32] <Darkside> sound!!!
[12:32] <Darkside> :(
[12:33] <number10_M0MDB> all this standing around - must be a pain launching with TV
[12:33] <Darkside> yep
[12:33] <Upu_M0UPU> can't put sound on
[12:33] <Darkside> had to do it a few times now
[12:33] <number10_M0MDB> has daveake got makeup on ;)
[12:33] <Upu_M0UPU> seriously freezing my tits off
[12:33] <Upu_M0UPU> no
[12:33] <Darkside> they always want to do multiple taks and shit
[12:33] <Darkside> takes*
[12:33] <number10_M0MDB> I can imagine
[12:33] <number10_M0MDB> Upu_M0UPU: I only managed to get two antennas up
[12:34] <Navrac_work> All talking no action
[12:34] <Darkside> Navrac_work: yup
[12:34] <Darkside> last time we did a tv launch, it took so long that one of the chase cars batteries went flat
[12:34] <Darkside> and we had to jump it
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[12:34] <mattbrejza> any idea when and where the resulting tv program is being shown?
[12:34] <Darkside> what the hell
[12:34] <Darkside> lunch?
[12:34] <Upu_M0UPU> carrots
[12:35] <Darkside> chilled carrots
[12:35] <Upu_M0UPU> fell out of my shopping on thursday :/
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[12:35] <number10_M0MDB> did they delay you between launch and starting the chase Darkside ?
[12:35] Nick change: craag -> craag_M0DNY
[12:35] <Darkside> nope
[12:35] <Darkside> we told them that wouldn't be happening
[12:35] <Darkside> as we had to go quite a way
[12:36] <Darkside> they didn't come on the chase tho
[12:36] <number10_M0MDB> mattbrejza: I suspect daveake will anounce that in the usuall follow up email
[12:36] <mattbrejza> ok
[12:36] <Navrac_work> it looks cold there - I'm turning up my heater in stmpathy
[12:37] <number10_M0MDB> I wonder if daveake has started to say "darlings" now he is on the tv
[12:37] <Darkside> lol
[12:38] <Darkside> whaaaaaaat
[12:38] <number10_M0MDB> must be rain
[12:38] <Darkside> i guss we aren't allowed to see that
[12:38] <Darkside> moving the car
[12:39] <Darkside> nice fast moving cloud there
[12:41] <Darkside> lol the black doggie is still running around
[12:41] <Darkside> oh look, it's us!
[12:43] <Navrac_work> they need to be running irc and text to speech so we can heckle..
[12:44] <Darkside> lol
[12:44] <Navrac_work> close up of tying a knot
[12:45] <RG_lz1dev> http://www.youtube.com/watch?v=Hv6RbEOlqRo
[12:45] <RG_lz1dev> simulation of what would be like if you have text to speech
[12:46] <Darkside> this better be the mooonbase alpha video
[12:46] <Darkside> i knew it
[12:46] <RG_lz1dev> :D
[12:46] <Darkside> JOHN MADDEN JOHN MADDEN
[12:46] <Darkside> aeiou aeiou aeiou
[12:46] <Darkside> classic
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[12:47] <Darkside> snake
[12:47] Last message repeated 1 time(s).
[12:47] <Darkside> SAAAAAAKE
[12:47] <Darkside> brilliany
[12:48] <Darkside> RG_lz1dev: thank you for that
[12:50] Nick change: Guest89804 -> nick_
[12:52] <DrLuke> uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
[12:52] <Darkside> brbrbrbrbrbrbrbrbrbrbrbrbrbrbrbbrbrr
[12:53] <Darkside> aeiou
[12:53] <DrLuke> OH NO HERE COMES ANOTHER CHINESE EARTHQUAKE
[12:53] <DrLuke> ebrbrbrbrbrbrbrbrbrbrbrbrbr
[12:53] <Darkside> lol anthony has a little balloon
[12:53] <x-f> pico balloon
[12:53] <DrLuke> by the way it got updated
[12:53] <Darkside> wow its nice and windy there
[12:53] <DrLuke> so yo can set the tone and all: http://www.youtube.com/watch?v=lLFW7ZgJNiU
[12:53] <Darkside> oh dear
[12:54] <Upu_M0UPU> its windy
[12:54] <Upu_M0UPU> launching a party to see where it goes
[12:54] <Darkside> DrLuke: awesome
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[13:02] <costyn> haha wat
[13:02] <costyn> that video
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[13:03] <costyn> laughing out loud here
[13:04] <x-f> that kid doesn't look like he's freezing
[13:04] <RG_lz1dev> the pros and cons of text2speech :)
[13:05] <costyn> trolololol
[13:05] <costyn> too funny
[13:13] <x-f> SSDV works again
[13:14] <costyn> spava is piggybacking with buzz or pie?
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[13:19] <costyn> there's no sound on the batc.tv stream right?
[13:19] <JFS1> Afternoon all - what's the story? Any idea when launch is?
[13:19] <craag_M0DNY> costyn: Yep, no sound.
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[13:21] <craag_M0DNY> JFS1: TV crew is filming, So launch 1400 at earliest I reckon now.
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[13:21] <craag_M0DNY> Note: I'm just watching the stream.. not there.
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[13:23] <gb73d> Im videoing my pc vdu w my digi camera
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[13:40] <Darkside> eroomde: thats what she said
[13:40] <RG_lz1dev> anyone else expecting the balloon to lift one of the kids?
[13:40] <costyn> RG_lz1dev: haha
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[13:41] <bbjunkie> hi guys, just got in from work for lunch.. what's the latest on the BUZZ launch ?
[13:41] <number10_M0MDB> wonder if daveake added reflective tape
[13:41] <Darkside> bbjunkie: http://www.batc.tv/ch_live.php?id=768
[13:41] <costyn> bbjunkie: balloon is filled, going to launch soon it seems
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[13:41] <bbjunkie> thanks Darkside and costyn
[13:42] <bbjunkie> ok quick bite hope they launch soon or i'll miss it gotta go back to work
[13:43] <costyn> bbjunkie: shouldn't be too long
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[13:45] <x-f> luckily the wind has calmed down now
[13:45] <costyn> bbjunkie: there they go
[13:45] <costyn> oh wait... Dave's still holding onto it
[13:46] <radim_OM2AMR> :-)
[13:46] <costyn> how I wished we had brought those kinds of gloves last time :)
[13:46] <Darkside> dammit we need upu to turn the camera!
[13:47] <radim_OM2AMR> somebody should turn left the cam
[13:47] <costyn> Darkside: yea he's just walking aroudn doing nothing
[13:47] <x-f> he's got his own camera!
[13:47] <gonzo_> someone nudge the camera to the left a bit!
[13:47] <gonzo_> snap
[13:48] <x-f> reflective tape?
[13:48] <costyn> wots this last minute fix?
[13:48] <Darkside> just sealing it up i think
[13:49] <craag_M0DNY> I was wondering whether the Pi would have cooked in there by now..
[13:49] <gonzo_> the ssdv has stopped coming in?
[13:49] <number10_M0MDB> no its still going gonzo_
[13:49] <gonzo_> r
[13:49] <gonzo_> rr
[13:49] <Darkside> grr
[13:49] <Darkside> i sent anthony a sms
[13:49] <number10_M0MDB> not that its a lot of good where its pointed
[13:49] <x-f> last update five minutes ago
[13:49] <costyn> that isn't SPAVA anthony was carrying around was it
[13:50] <number10_M0MDB> that was buzz
[13:50] <costyn> number10_M0MDB: ah ok
[13:50] <number10_M0MDB> small egg one
[13:50] <costyn> spava is also small pink egg, but with solar cells... was wondering if he'd taken off the solar panels
[13:50] <Darkside> hmm neither payloads have changed altitude
[13:50] <Darkside> or updated in a bit
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[13:51] <number10_M0MDB> dont think it would work then as no batteries
[13:51] <costyn> number10_M0MDB: last minute config chagne... I dunno, they look quite similar :)
[13:52] <number10_M0MDB> they do - and everything is pink costyn
[13:52] <x-f> Upu got that mega flashlight for his birthday, he could have used it to test SPAVA right before launch :)
[13:53] <Darkside> hmm, looks like nobody is uploading to the web there
[13:54] <Darkside> probably because daves radio is on the table hooked up to that laptop
[13:54] <costyn> Darkside: doesnt he have like 3 other radios in his car?
[13:54] <costyn> and 2 more car-pc's?
[13:54] <Darkside> i think the r10 sitting on the table there is his primary
[13:54] <number10_M0MDB> thats a bit of a worry Darkside
[13:55] <craag_M0DNY> He did look at the laptop before wandering off. So it maybe a 3G connection issue.
[13:55] <Darkside> stream works fine
[13:55] <Darkside> but i guess thats anthonys car
[13:55] <Darkside> not daves
[13:55] <craag_M0DNY> Mm, but I'm guessing not on the same dongle.
[13:55] <number10_M0MDB> it is poor at the launch site depending on which network
[13:56] <number10_M0MDB> i think upu has the stream
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[13:57] <Darkside> upuuuuu check your smses...
[13:57] <Darkside> grr
[13:57] <Darkside> noooooooo
[13:57] <costyn> Darkside: haha
[13:57] <bbjunkie> nice table
[13:58] <costyn> did they use hydrogen in this balloon?
[13:58] <Darkside> nah, helium
[13:58] <Darkside> i'm waiting for dave to go running through the flame, flinging the payload into the air
[13:58] <Darkside> frame*
[13:58] <costyn> Darkside: al this talk of burning, radiation and flames has gotten to yoyu
[13:59] <x-f> they've built up the tension, that's what TV people do
[14:00] <Darkside> launch!
[14:00] <Darkside> looks like it anyway
[14:00] <costyn> yea, all the people looking up
[14:01] <number10_M0MDB> interesting payload doc configures pi as 7 N2 but email says 8N1
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[14:01] <Darkside> now we need people to rx it
[14:02] <Upu_M0UPU> its up
[14:02] <costyn> Upu_M0UPU: we didn't see :(
[14:02] <Darkside> we daw dave running
[14:02] <Darkside> saw*
[14:02] <Upu_M0UPU> nasty launch we nearly used the ring
[14:02] <number10_M0MDB> dial
[14:02] <Darkside> but thats about it
[14:02] <Upu_M0UPU> technique
[14:02] <Upu_M0UPU> no idea 1 sec
[14:02] <Upu_M0UPU> #spava isn't in the air
[14:02] <Darkside> the radio isn't hooked to the internet..
[14:03] <costyn> Upu_M0UPU: no updates to ssdv or tracker :/
[14:03] <Darkside> ack
[14:03] <mattbrejza> got pie
[14:03] <Darkside> i mean nobody is uploading to the tracker
[14:03] <costyn> Darkside: it just updated
[14:03] <Darkside> oh there we go
[14:03] <costyn> 10 sats, not bad
[14:03] <Darkside> radio must have gone out of tine
[14:03] <Darkside> tune*
[14:03] <mattbrejza> the image its transmitting is still on the ground
[14:04] <Darkside> oh wait, thats ASTRA that is uploading packets
[14:04] <Darkside> not anyone at the launch site
[14:04] <Upu_M0UPU> buzz 434.069
[14:04] <mattbrejza> pie 649
[14:05] <costyn> Upu_M0UPU: are you still launching SPAVA?
[14:05] <Upu_M0UPU> negative sorry
[14:07] <costyn> Upu_M0UPU: ah, too bad. was interested to see if it would work
[14:08] <Navrac_work> yep got buzz here
[14:09] <Navrac_work> shame about spava
[14:09] <Darkside> Upu_M0UPU: i'm grabbing the wind data on spacenearus
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[14:11] <costyn> Upu_M0UPU: you guys gonna turn on the stream during the chase?
[14:13] <costyn> i hope for them the current predicted landing spot is going to change... looks like quite a drive :)
[14:13] <gb73d> strong sigs from BUZZ on 434.0676 mhz
[14:13] <G7PMO_Kev> how do I o about decoding / uploading the ssdv guys?
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[14:14] <Darkside> G7PMO_Kev: if you're decocing PIE, it'll do it automaticlly
[14:14] <Navrac_work> i cant get the autotune to hold on to pie
[14:15] <craag_M0DNY> Do we need to config PIE for 8n1? (Autoconfigs for 7n2)
[14:15] <G7PMO_Kev> I have Pie being rx'ed and into dl-fldigi, but obv not the setance I am sued to recognising
[14:15] <bbjunkie> G7PMO_Kev - view/ssdv
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[14:15] <Darkside> oh der
[14:15] <Darkside> hear
[14:15] <costyn> what's with all the old pics on ssdv?
[14:16] <Darkside> you might need to manually configure for PIE
[14:16] <Darkside> i think the autoconfigure settings are wrong
[14:16] <number10_M0MDB> yes, its 8n1 not 7n1
[14:16] <craag_M0DNY> Darkside: You do
[14:16] <G7PMO_Kev> ooh, decoded image packet :)
[14:16] <mattbrejza> finally a cloud coming thru
[14:17] <G7PMO_Kev> pretty cloud :)
[14:17] <costyn> the ssdv webinterface is really slick. nice work whoever made it :)
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[14:20] <bbjunkie> ok guys sorry to say the late launch cost me, not getting any packets and I've gotta head back to work. Good luck with the rest of the mission
[14:20] <bbjunkie> will look forward to the archive of ssdv images later
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[14:21] Nick change: daveake_ -> m0psi
[14:21] <x-f> costyn, it was fsphil i guess
[14:21] <m0psi> hi all
[14:21] <m0psi> we're off
[14:21] <costyn> x-f: cool
[14:21] <m0psi> got cameera manin the car
[14:22] <m0psi> Mrs Dave and me
[14:22] <Navrac_work> nice pic - good clear rx here
[14:22] <G7PMO_Kev> my best decding at 300 aud yet, only lost 1 packet of the image, I normally strugle at 300 baud .....
[14:23] <m0psi> y, seems clear
[14:23] <Navrac_work> since i got the parity right its been 100%
[14:25] <costyn> purty pics
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[14:30] <fsphil-m> Ah, launch
[14:31] <Navrac_work> hmm - looks like we might need to start looking up boat hire companies
[14:31] <Darkside> depends if the burst altitude on the predictor is correct
[14:31] <number10_M0MDB> it may go near sudbury if it bursts at 32k
[14:32] <Navrac_work> well on the plus side there are some really good chip shops in orford
[14:32] <mattbrejza> this is only a 800g balloon too?
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[14:32] <number10_M0MDB> and pics up ascent rate a little
[14:32] <number10_M0MDB> k
[14:32] <Darkside> i'd have to get some data from daveake or Upu_M0UPU on the predicted burst
[14:32] <Darkside> as i dont know it
[14:32] <Darkside> i just left it at 32.5km, which is what was on the config page
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[14:34] <Darkside> ok sleep time for me
[14:34] <Darkside> nn
[14:34] <pjm__> where can i get software to demod/decode the 300bd telem on 434650?
[14:34] <number10_M0MDB> he'll be back at mission control soon
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[14:34] <Navrac_work> its exciting waiting for the next pic to start to see if its different
[14:34] <Darkside> pjm__: dl-fldigi
[14:34] <pjm__> ahh ok
[14:34] <costyn> pjm__: http://ukhas.org.uk/projects:dl-fldigi
[14:34] <pjm__> i have that
[14:34] <Darkside> though the autoconfigure is wrong
[14:34] <Darkside> you need to manually set it to whatever it is
[14:36] <m0psi> so, we're aware that we may need to put on some life jackets
[14:36] <m0psi> we'll see how it goes
[14:36] <Navrac_work> 300 baud 600hz shift 8 bit no parity 1 stop
[14:36] <Navrac_work> talking of stopping....
[14:36] <number10_M0MDB> which is 590 baud 7N2 for BUZZ, and 300 8N1 for pi
[14:37] <number10_M0MDB> 50 baud
[14:37] <daveake> hi guys Upu here
[14:37] Nick change: daveake -> UpuDaves
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[14:37] <UpuDaves> sorry quite hectic
[14:37] <costyn> haha
[14:37] <UpuDaves> that live prediction doesn't look good :/
[14:38] <Navrac_work> pie just went onto solid carrier for about 1 image packet
[14:38] <costyn> UpuDaves: is 32.5k still expected burst alti?
[14:38] <number10_M0MDB> UpuDaves: ascent is a little slow
[14:38] <m0psi> hey upudaves
[14:38] <UpuDaves> hey Ali
[14:39] <UpuDaves> 1000 HAB points for landing on Steves house
[14:39] <Navrac_work> its getting better upu - it was off the coast of orford a bit ago - although very close to one of the best fish and chip shops in suffolk
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[14:40] <Navrac_work> looks like this will be a nice picture
[14:41] <number10_M0MDB> driving round the M25 on a Friday afternood will not be fun - traffic is ok at the moment though
[14:41] <UpuDaves> I don't get the slow ascent
[14:41] <UpuDaves> there was heaps of gas in it
[14:42] <costyn> UpuDaves: added enough Stirks eh?
[14:42] <UpuDaves> alot
[14:42] <UpuDaves> he counted to 60...
[14:43] <pjm__> is the other data auto uploaded, i.e. not the lat/long stuff
[14:43] <Navrac_work> gone quiet again
[14:43] <costyn> pjm__: should be yes
[14:43] <pjm__> ok thanks
[14:43] <UpuDaves> m0psi are you there ?
[14:43] <costyn> pjm__: check if your callsign is listed here http://ssdv.habhub.org/ under the pics
[14:44] <m0psi> hey upu
[14:44] <UpuDaves> tell Dave Felixstowe
[14:44] <costyn> fsphil: would be cool if the pics also provided the other telemetry, especially altitude
[14:44] <m0psi> already done that :-)
[14:45] <m0psi> margninal for lifejackets!
[14:45] <gonzo_> pjm, need to make sure tou have the latest fl-digi paul
[14:45] <UpuDaves> nice images coming in
[14:45] <UpuDaves> anyway sorry about our normal lack of communication
[14:45] <UpuDaves> free advice don't do TV
[14:46] <UpuDaves> their camera went flat just as we were about to launch
[14:46] <costyn> UpuDaves: haha
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[14:47] <eroomde> UpuDaves: i think everyone who has ever done any tv reaches the same conclusion within 20 mins or so
[14:47] <eroomde> don't know how steve puts up with it
[14:47] <gonzo_> #that's profesional for you!
[14:47] <eroomde> so, the prediction doesn't look so hot does it
[14:47] <Navrac_work> looks like we could be getting our first 'tv' outer space looking shot
[14:48] <pjm__> gonzo_ ah ok probably am on old ver
[14:48] <number10_M0MDB> eroomde: I think steve is so laid back that it doesnt bother him
[14:48] <eroomde> well i'm not so sure!
[14:48] <costyn> pjm__: the link I sent you earlier has v3
[14:48] <eroomde> i remember when he did bang goes the theory i got a text asking for reinforcement
[14:48] <eroomde> both technical and moral
[14:48] <Navrac_work> just slows down to their speed I guess
[14:49] <eroomde> on the filming day
[14:49] <UpuDaves> corking images though
[14:49] <number10_M0MDB> I cant imagine its fun anyway
[14:50] <Navrac_work> depends on how much of an ahole the director is, the crew are normally ok
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[14:50] <UpuDaves> he's fine actually the whole team are
[14:50] <eroomde> yeah amazing UpuDaves
[14:51] <UpuDaves> kids and team are all down stairs eating
[14:51] <costyn> UpuDaves: wot, not loooking at fab pics?
[14:52] <dd28> a bit of help with tracking needed...
[14:52] <UpuDaves> kids need a break...
[14:52] <dd28> i'm tracking BUZZ, seems to be uploading fine but the parser seems to be giving 'All attempts to parse failed'
[14:52] <dd28> on logtail
[14:52] <dd28> callsign M0HFJ
[14:52] <Randomskk> dd28: it gives errors too
[14:53] <Randomskk> Exception in UKHAS main parse: Invalid CRC16-CCITT checksum.
[14:53] <Randomskk> Exception in UKHAS pre_parse: String contains characters that are not printable ASCII.
[14:54] <dd28> recent packets are not being decoded, but green light before ?
[14:56] <UpuDaves> m0psi, can you ask Dave what command the cats need to be given to "get down" ?
[14:56] <gonzo_> a water pistol does well for that
[14:56] <m0psi> food in the cupboard Julie says
[14:57] <GMT> is BUZZ tx-ing, have not heard anything for ages
[14:57] <m0psi> cat treats i nthe larder
[14:57] <UpuDaves> I have just been climbed on with a creature with built in crampons
[14:57] <UpuDaves> with=by
[14:57] <LazyLeopard> Yes, BUZZ is on 434.068
[14:57] <m0psi> ginger one will respond to bribary
[14:57] <LazyLeopard> It's being a bit wobbly at the moment...
[14:57] <m0psi> good luck with the rest
[14:58] <UpuDaves> this one is furry and grey
[14:58] Nick change: craag_M0DNY -> craag
[14:58] <number10_M0MDB> which one is the one that bites m0psi
[14:58] <gonzo_> sky is darkening nicely
[14:58] <costyn> haha... interesting conversation for this IRC channel
[14:58] <gb73d> BUZZ shift narrowed to 450hz
[14:58] <m0psi> they all do upudaves!
[14:58] <m0psi> just one at a time
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[14:59] <dd28> ok few more packets sent, this time parse error was "No configuration doc for 'BVBZ' found"
[14:59] <UpuDaves> autoconfig doesn't seem to work for me
[14:59] <fsphil> not a bad idea costyn
[14:59] <dd28> but the string parsed was $$BUZZ,588,14:57:27,51.81707,-0.63770,16743,44,57,-6Vu.61*B03B\n
[14:59] <UpuDaves> BUZZ is 7N2 PIE is 8N2
[14:59] <number10_M0MDB> nor anyone else UpuDaves
[14:59] <gb73d> BUZZ on 434.06932 mhz
[14:59] <costyn> fsphil: you built the ssdv.habhub html right
[14:59] <UpuDaves> PIE is on 434.650 on the dot
[14:59] <fsphil> costyn: yea
[15:00] <costyn> fsphil: nice work! :D
[15:00] <fsphil> how's it handling the load?
[15:00] <fsphil> thanks costyn :)
[15:00] <RG_lz1dev> its heading for the water /o\
[15:01] <UpuDaves> did you text me Darkside ?
[15:01] <dd28> seem to be a hell of a lot of "All attempts to parse failed" on log tail &
[15:01] <costyn> UpuDaves: an hour ago Darkside texted you yea, to reposition the stream camera :)
[15:02] <costyn> UpuDaves: cause we saw nothing of hte launch itself
[15:02] <UpuDaves> yeah sorry
[15:02] <UpuDaves> solar pava didn't flight as it was all getting a bit too hectic
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[15:04] <gb73d> BUZZ shift now 430hz, qsb here
[15:04] <rob_m0dts> hi all, what's PIE settings, fldigi atuconf no good here?
[15:04] <gb73d> M1ELK
[15:05] <rob_m0dts> never mind, got it now.
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[15:05] <Navrac_work> 8n2 300b 600hz shift
[15:05] <rob_m0dts> PIE fldigi autoconf was set to 7n2 instead of 8n1.
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[15:12] <UpuDaves> The kind production assistant has removed the cat
[15:13] <GMT> with a size10?
[15:13] <m0psi> hey upu
[15:14] <UpuDaves> hey ALi
[15:14] <UpuDaves> lovely pictures
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[15:14] <UpuDaves> like really good
[15:14] <m0psi> how is the watching team?
[15:14] <UpuDaves> on a break
[15:14] <UpuDaves> coming back up shortly
[15:14] <m0psi> do you know what etl is?
[15:14] <UpuDaves> they've not seen any of these images yet
[15:15] <gonzo_> will give the TV people something to show then
[15:15] <m0psi> estimateed time of landing
[15:15] <UpuDaves> n oidea 5 ?
[15:15] <UpuDaves> its coming in land
[15:15] <m0psi> fickle
[15:15] <m0psi> we'll know more definate once it bursts i guess
[15:16] <UpuDaves> indeed
[15:16] <UpuDaves> ascent rate is good now
[15:17] <number10_M0MDB> pi stopped again
[15:17] <number10_M0MDB> did that before on image 18
[15:17] <UpuDaves> yep odd
[15:17] <fsphil> is that's what is causing the gaps?
[15:17] <number10_M0MDB> yes
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[15:18] <GMT> now getting the signal into dl-fldigi... helps if you don't knock-out the audio lead!
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[15:20] <number10_M0MDB> m0psi: traffic a little slow at J23 south mimms
[15:21] <mattbed> sorry if its been asked before but whats the predidicted burs altitude? same as last weeks?
[15:21] <m0psi> ok
[15:21] <UpuDaves> 33km ish
[15:21] <m0psi> shall we do a12 or m11?
[15:21] <mattbed> cool thanks
[15:22] <Navrac_work> A12 not perfect but better than m11
[15:22] <M0JCU> Vortex is uploading to the tracker but not the SSTV. Is there a special setting for this? We're getting all the pics locally
[15:22] <m0psi> ok, i'll ask the question again, as we move on a little further
[15:23] <fsphil> Just need to be in HAB mode and online M0JCU
[15:23] <M0JCU> Ah. It's HAB mode that's the problem.
[15:23] <mattbed> its a much nicer day on the east coast today
[15:23] <M0JCU> What's the command line switch? (Windoze ate the shortcut)
[15:23] <fsphil> that's a nice cloud layer it's imaging
[15:24] <fsphil> dl-fldigi --hab
[15:24] <M0JCU> Ta
[15:24] <UpuDaves> m0ali apart from south mims M25. M11 & A12 all green
[15:24] <m0psi> video streaming now
[15:24] <m0psi> thanks upu
[15:24] <m0psi> we'll head for a12, unless someone shouts otherwise
[15:25] <m0psi> can you see the stream from the car?
[15:25] <UpuDaves> yep working lovely
[15:26] <m0psi> cool
[15:26] <UpuDaves> you're almost running parallel with the balloon
[15:26] <number10_M0MDB> someone just undertook
[15:26] <m0psi> so, as you see dave is not a fast driver :-)
[15:26] <m0psi> y, doing well on catchup
[15:26] <GMT> I'm happy now! just had my callsign decode come up on the map display for BUZZ.!
[15:26] <UpuDaves> may it be the first of many GMT :)
[15:27] <GMT> A warm/fuzzy feeling. taken about 3 months to get this far!
[15:27] <m0psi> gmi, i'm yet to achive that glory!
[15:27] <mattbed> Im still waiting for some tube to arrive to construct an antenna so i can see if my SDR setup is working properly
[15:28] <GMT> I'm just using a 2m/70cm colinear, feeding my MVT7100 scanner, and audio into PC.
[15:30] <mattbed> cool. im trying to do it on the cheap :P so far ive got a £10 usb tv card thing that is known to work with sdr and so far ive managed to get radio and airtraffic working but i dont have a suitable antenna for HABs just yet. I had a scanner but i realised it didnt do SSB
[15:31] <m0psi> that's us parked for a bit!
[15:31] <GMT> I've also got DVT-B dongle, works okay but a bit finicky.
[15:31] <m0psi> high speed persuit!
[15:32] <Navrac_work> 5 miles of it im afraid
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[15:33] <GMT> chase-car was almost about to overtake (undertake?!) the balloon!
[15:33] <vortex> OK. Now in HAB mode but no apparent uploads.
[15:33] <Navrac_work> are you just past tha A1 turn off?
[15:33] <vortex> What is the upload server? Still sanslogic?
[15:33] <number10_M0MDB> is getting to look like M11/A120 may be the better option if it bursts at 32k - but UpuDaves is ops
[15:34] <fsphil> vortex: yes
[15:34] <GMT> I would've suggested M11/A120 anyway, just to keep off the M25
[15:34] <fsphil> it should be: http://www.sanslogic.co.uk/ssdv/data.php
[15:34] <vortex> how about "Location?)
[15:34] <fsphil> that's not needed for ssdv
[15:35] <m0psi> ok
[15:35] <m0psi> give us a firm order on route as early as yuo can pls
[15:35] <m0psi> number_10, thanks
[15:35] <G7PMO_Kev> M11 is usually better traffic wise than than M25 and a12
[15:35] <vortex> Hmm. I wonder if it;s the same bug we had on the upload with squid a few weeks ago
[15:36] <Navrac_work> A120 can get very slow if the traffic builds up
[15:36] <fsphil> are you connected via a proxy? I'm not sure if dl-fldigi can talk via one
[15:37] <m0psi> can someone get on the highway website see wht conditions are like pls
[15:37] <mattbrejza> google says m11/A120 to sunbury, and i think it takes into account traffic
[15:37] <m0psi> j24 ahead
[15:37] <m0psi> 1 mile awy
[15:37] <Navrac_work> yep - were watching the traffic
[15:37] <UpuDaves> M11 Ali
[15:37] <m0psi> cool navrac
[15:37] <M0JCU> fsphil, we're using a squid proxy. dlfldigi struggled a few weeks ago but I put in a work-around for habhub
[15:37] <UpuDaves> for the moment
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[15:37] <m0psi> m11 it is then
[15:38] <m0psi> untill otherwise
[15:38] <number10_M0MDB> google traffic shows it green m0psi - but I dont always trust it
[15:38] <fsphil> M0JCU: aah. you might need to do the same for ssdv
[15:38] <Navrac_work> road should start clearing soon for you
[15:38] <m0psi> ok, AA website?
[15:38] <m0psi> burst!
[15:39] <mattbrejza> m11 for sure now
[15:39] <Navrac_work> yep m11 now
[15:39] <m0psi> ok m11
[15:39] <mattbrejza> see if you can hit the same building site as cusf
[15:39] <fsphil> lol
[15:39] <gb73d> yes burst
[15:40] M0JCU_ (52101b73@gateway/web/freenode/ip.82.16.27.115) joined #highaltitude.
[15:40] <M0JCU_> OK. Let's try again
[15:41] <fsphil> you're on now vortex
[15:41] <M0JCU_> Success
[15:41] <M0JCU_> But someone seems to have broken the balloon
[15:41] <UpuDaves> m0psi, tell Dave to head to Number10s house
[15:41] <m0psi> :-)
[15:41] <UpuDaves> number10_M0MDB catch it
[15:41] <UpuDaves> :)
[15:41] <number10_M0MDB> will do UpuDaves
[15:41] <fsphil> +1000 hab pointa avaiable
[15:41] <m0psi> is number10 coming out?
[15:42] <costyn> number10_M0MDB: routes.tomtom.com is really good for traffic too
[15:42] <UpuDaves> no idea
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[15:42] <UpuDaves> as him :)
[15:42] <UpuDaves> ask
[15:42] <number10_M0MDB> cheers costyn
[15:42] <UpuDaves> going to be able to RX that on the ground
[15:42] <number10_M0MDB> going to sap antennas
[15:42] <m0psi> number10, are yuo able to join us?
[15:43] <number10_M0MDB> not today m0psi best I stay here and get last position
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[15:43] <m0psi> ok
[15:43] <number10_M0MDB> car is not setup
[15:43] <m0psi> np
[15:43] <number10_M0MDB> unless it lands in my garden m0psi
[15:43] <UpuDaves> might as well PM Ali your postcode number10_M0MDB :)
[15:43] <LazyLeopard> Looks like it's getting pretty close... ;)
[15:44] <UpuDaves> tell Dave they film crew asked if we could do that again (the burst)
[15:44] <rob_m0dts> BUZZ noticably stronger than PIE here for all of flight so far..
[15:44] <UpuDaves> I politely said no
[15:44] <costyn> UpuDaves: bwahaha
[15:44] <number10_M0MDB> :)
[15:44] <fsphil> haha
[15:44] <costyn> UpuDaves: what exactly did they want to do again?
[15:44] <UpuDaves> I just screen shotted it and will fake it later
[15:44] <fsphil> wouldnt it be great if we could
[15:44] <UpuDaves> the burst
[15:44] <costyn> UpuDaves: on the tracker?
[15:45] <m0psi> ok, let's do the burst bit again ...
[15:45] <UpuDaves> I hope so
[15:45] <m0psi> action ...
[15:45] <UpuDaves> *pop*
[15:45] <m0psi> oh, it burst!
[15:45] <m0psi> cut...
[15:45] <UpuDaves> with passion!
[15:45] <costyn> definitely burst!
[15:45] <fsphil> wheeee
[15:45] <m0psi> OH IT BURSTTTTT!
[15:45] <UpuDaves> right afk film crew here
[15:45] <fsphil> We're all gonna PIE!!!!
[15:45] <costyn> geez
[15:46] <costyn> so that was never on film
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[15:47] <costyn> gonna pass by Stansted airport at about 15K
[15:47] <staylo> permission to buzz the tower
[15:47] <m0psi> negative
[15:47] <m0psi> got a coffee in my hand
[15:48] <MiniMail> 2 ballons in one?
[15:48] <fsphil> 2 payloads, 1 balloon
[15:48] <costyn> m0psi: :D
[15:48] <MiniMail> oh ok
[15:48] <costyn> 2 girls 1 ... wait no... i mean...
[15:49] <MiniMail> ...cup. :P
[15:50] <jonsowman> stop that.
[15:50] <jonsowman> :P
[15:51] <staylo> that coffee doesn't taste so good all of a sudden
[15:51] <costyn> sorry
[15:51] <MiniMail> :]
[15:51] <GMT> you did ask for chocolate sprinkles, didn't you?
[15:52] Action: costyn fires up flightradar24.com
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[15:54] <GMT> on ATC freqs, they've just closed Stansted airspace! can you route the balloon around it?
[15:54] <costyn> not very busy at altitude there
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[15:55] <costyn> although it is right above a Singapore airlines which is at 3.5KM
[15:58] <gonzo_> let's hope ther string is not 7km long!
[15:58] <costyn> gonzo_: both still moving, so I think we're good
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[15:59] <WillDuckworth> some excellent pics have come through
[16:00] <gonzo_> if BUZZ start moving at 100's of km/h then worry!
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[16:01] <gonzo_> chace is catching up. Though will run out of fast roads soon
[16:01] <MiniMail> Pics of that flying thing?
[16:02] <costyn> BA257 is heading in the "wrong' direction
[16:03] <Navrac_work> http://imgur.com/sU2C7
[16:03] <costyn> Navrac_work: hahaha nice!
[16:03] <MiniMail> rofl:D
[16:03] <costyn> BA257 changed heading
[16:03] <fsphil> hah, the bus wifi has imgur blocked
[16:04] SamSilver (c5573eaf@gateway/web/freenode/ip.197.87.62.175) joined #highaltitude.
[16:04] <costyn> fsphil: theres' not a more wretched hive of scum and villany ; blocked rightly so :P
[16:07] <m0psi> can someone give us a postcode for landing spot pls
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[16:07] <m0psi> we can refine it later
[16:07] <axford> CO10 7BY
[16:07] <m0psi> ta
[16:08] <costyn> m0psi: you guys don't have the tracker page in the car?
[16:08] <m0psi> y
[16:08] <costyn> m0psi: or is it easier for the GPS
[16:08] <m0psi> very jiggy in this car
[16:09] <staylo> glad to hear spirits are high
[16:09] <m0psi> y, the satnav gives directions
[16:09] <m0psi> oh yeah, we're motorin'
[16:09] <axford> google says 39min to destination
[16:09] <m0psi> ok
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[16:11] <heathkid|2> fun to watch the tracker page!
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[16:11] <gonzo_> nice sunset pics!
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[16:14] <axford> approx 20 min to touchdown, 32 min driving time
[16:14] <radim_OM2AMR> number_10 is ready for landing ? :-)
[16:15] <number10_M0MDB> :)
[16:15] <m0psi> landing on your house number10!!
[16:15] <number10_M0MDB> there is an entrance fee ;)
[16:15] <m0psi> once you get a fix, come out if you can
[16:15] <m0psi> is there a landing fee?
[16:15] <number10_M0MDB> ok may do
[16:15] <radim_OM2AMR> so PIE/BUZZ, clear to land, number10 is opening the window ;-)
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[16:16] <number10_M0MDB> :)
[16:16] <fsphil> I'd move the car number10_M0MDB. daveake has a histor
[16:16] <fsphil> +y
[16:16] <m0psi> you know we worked it all out don't you. new predictor algorithm
[16:16] <m0psi> latest thing
[16:16] <number10_M0MDB> I moved it w while back as I know what he is like
[16:17] <fsphil> bbl
[16:18] <GMT> I'm starting to loose the signal now, do you think you could get the balloon to go back up a bit.
[16:18] <axford> new postcode CO9 4JT
[16:19] <m0psi> roger that
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[16:23] <Navrac_work> only iuncompletes on buzz now
[16:24] <m0psi> we just lost the signal
[16:24] <Navrac_work> gone here too
[16:24] <number10_M0MDB> still rx here - I wonder why
[16:24] <m0psi> landed?
[16:24] <number10_M0MDB> yep
[16:25] <GMT> northwest of Great Yeldham
[16:25] <mfa298> nicely missed the trees around the area
[16:25] <G7PMO_Kev> looks like a nice big field :)
[16:25] <axford> CO9 4RG
[16:26] <gb73d> tyvm guys really good fun !
[16:27] <m0psi> ok
[16:27] <m0psi> we got two locations?
[16:27] <craag> Nah, just signal from Pi was lost before it hit the ground.
[16:27] <jcoxon> did spava ever get launched?
[16:27] <craag> jcoxon: no
[16:27] <jcoxon> too late in the day i guess
[16:27] <m0psi> n
[16:28] <m0psi> too many things to pay attention to
[16:28] <m0psi> shame really
[16:28] <heathkid|2> going to post photos of the landing site?
[16:28] <m0psi> not enou
[16:28] <jcoxon> number10_M0MDB, must be nearly there by now :-p
[16:28] <gonzo_> and looks to be far enough away from those 11kv lines
[16:28] <gonzo_> assuming the mapping is acurate
[16:29] <rob_m0dts> thanks for those involved, enjoyed tracking with images from 'up north' once again!
[16:29] <m0psi> are we south or norh of the main road?
[16:30] <m0psi> got two icons on spacenear
[16:30] <craag> north
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[16:30] <m0psi> ok
[16:30] <m0psi> so, the red one is the right one?
[16:30] <craag> Yep, that's buzz
[16:30] <gonzo_> buzz still giving telem at an alt of 70mtrs. Just north of the road
[16:31] <GMT> into Gt Yeldham, and go on the A1017 towards Ridgewell
[16:31] <m0psi> cool
[16:31] <gonzo_> just after the village of Great Yieldham
[16:31] <m0psi> open field then
[16:31] <gonzo_> ditto
[16:32] <GMT> poss in open field, but the field is hidden behind some trees
[16:32] <mfa298> looks like there might be access to the field due west of where buzz landed.
[16:32] <m0psi> y
[16:32] <m0psi> juw
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[16:33] <m0psi> just in the corner
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[16:35] <GMT> do you need more directions, or road names etc?
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[16:37] <m0psi> n
[16:37] <m0psi> should be ok for now
[16:38] <GMT> okay, I'll hang on here for a while, but any directions I can give will be based upon last known position.
[16:39] <m0psi> ok
[16:39] <m0psi> thanks gmt
[16:39] <Navrac_work> last position is still current
[16:40] <m0psi> so, no one picked it up yet
[16:40] <mfa298> shame there's no updated from pie, we'de have pictures of where it's landed
[16:40] <m0psi> y
[16:40] <axford> time to park
[16:41] <GMT> park opposite junction with Stambourne Rd, field to the east of there
[16:42] <axford> gone too far&.
[16:42] <m0psi> standby ...
[16:42] <mfa298> looks like there's a small track just passed the housed
[16:43] <craag> There we go.
[16:43] <mfa298> thats the one
[16:43] <gonzo_> looks like there is a footpath/RoW across the field.
[16:43] <staylo> I can only hope number10 had time to plant a piece of aluminium with 'boeing' written on it
[16:44] <GMT> the little blue car symbol on the tracker shows you as stick-figures getting out of the car!
[16:44] <axford> come on google - when is real time satellite coming
[16:45] <GMT> you mean you haven't already got it?
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[16:46] <axford> :)
[16:46] <gonzo_> if they run the andriod app, you could!!!
[16:46] <axford> predator drone is on the xmas list
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[16:48] <gonzo_> the alt of buzz is dropping. Sinking???
[16:49] Pyriel (516fc054@gateway/web/freenode/ip.81.111.192.84) joined #highaltitude.
[16:49] <axford> it has been raining
[16:49] <mfa298> looked like it went up a bit as well, I saw 67,66,67,66
[16:49] <GMT> d'you think they will update us if/when the locate it?
[16:50] <gonzo_> prob see it moving
[16:50] <mfa298> GMT: we should see it move unless they kill the battery before movinf it
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[16:51] <gonzo_> then the telem would stop
[16:51] <mfa298> need them to take the chase app phone with them so we can see them approach the payload
[16:53] <gonzo_> it's pretty dark now
[16:53] <GMT> this late in the year, it's unlikely to be hidden in a field of crops
[16:53] <gonzo_> if they did have the app and irc on a phone we could talk them in
[16:54] <GMT> maybe they got 'em ... tracker just said about '2 new positions'
[16:54] <gonzo_> I've been on two recoveries. And we drove near, got the avtual position and poked that into the phone/gps
[16:54] <gonzo_> then just walked around till the figures matched
[16:55] <gonzo_> worked a charm both times
[16:55] <Navrac_work> theyre probably waiting till theyve got the lights out for the tv people
[16:55] <staylo> then looked up at the 50ft high tree and cursed loudly?
[16:56] <GMT> I didn't know that the TV crew went up there with them,
[16:56] <gonzo_> the OS map shows it to be about 67mtrs ASL there, so good chance of it being on the ground
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[16:57] <mfa298> I was basing ground level on the fact the chase car is at 67m.
[16:59] <Navrac_work> just the cameraman I think
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[17:01] <gonzo_> that's too sensible!
[17:01] <gonzo_> ah it moves?!
[17:03] <Navrac_work> yep - thats more than gps error
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[17:03] <Laurenceb> hehe its moving
[17:04] <mfa298> this is where rtty-50 is too slow, need faster updates ...
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[17:04] <GMT> it's in a field of cows, and got draped across one of 'em, as the cow moved ...
[17:05] <MiniMail> hehe :)
[17:05] <Navrac_work> not a country lad then gmt?
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[17:06] <GMT> nah, deffo a townie!
[17:08] <UpuDaves> payload recovered
[17:08] <UpuDaves> if you hadn't worked it out
[17:09] <heathkid|2> :)
[17:09] <Navrac_work> I think we might have guessed.
[17:09] <m0psi> all done!
[17:09] <mfa298> so not landed on a cow then :(
[17:09] <m0psi> in the bag
[17:10] <m0psi> back at the car now
[17:10] <SpeedEvil> :-)
[17:10] <staylo> congrats
[17:10] <gonzo_> or they have a lot of steak to eat to destroy the evidence!
[17:10] <heathkid|2> awesome launch and chase! LOTS of fun to watch from here (Indiana, USA)
[17:10] <gonzo_> rgr congrats
[17:10] <GMT> well, it's been a great afternoon. great fun, look forward to the next one, hope I can be involved again.
[17:11] <axford> :)
[17:11] <jcoxon> yay - for the first time I've got into the APRS network :-)
[17:12] <Navrac_work> well done james - but you didnt track with the new aerial then?
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[17:14] <jcoxon> i'm on nights tonight
[17:14] <jcoxon> had to sleep this afternoon
[17:14] <jcoxon> so the launch just got pushed back too far for me
[17:15] <Navrac_work> ah fair enough
[17:15] <Navrac_work> I better take my frankenstein aerial mast down in case it gets windy
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[17:16] <fsphil> great flight guys
[17:16] <fsphil> just caught up
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[17:24] <fsphil> glad your not called Alan UpuDaves
[17:24] Nick change: arko_ -> arko
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[17:31] <fsphil> image 22 and 27 are my favs
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[17:33] <x-f> is that Earth's shadow there?
[17:34] <x-f> i'm late to the party, but congrats on a successfull flight and recovery to the involved!
[17:34] <fsphil> just a high layer of cloud I think
[17:34] <fsphil> but it's quite dramatic
[17:35] <x-f> space-y
[17:35] <x-f> yeah, from 27th i see that that's a cloud layer
[17:37] <x-f> cloud waves on 22nd
[17:37] <fsphil> 35 is nice too
[17:37] <fsphil> ah nice
[17:37] <number10_M0MDB> quite an easy recovery
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[17:39] <fsphil> only a few 100m from you too
[17:39] <fsphil> did you have the signal all the way down?
[17:40] <number10_M0MDB> yes fsphil - left it on whem I went out after it landed - still receiving
[17:40] <number10_M0MDB> but not the Pi as battery wire came off
[17:40] <number10_M0MDB> you can see buzz being walked back to the car
[17:40] <number10_M0MDB> on spacenear
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[17:43] <UpuDaves> and its a cut
[17:44] <UpuDaves> interesting pics looks like a cloud cliff on there
[17:45] <fsphil> a very high cliff
[17:46] <UpuDaves> indeed
[17:46] <UpuDaves> just waiting for everyone to bog off then I can lock Daves house up
[17:46] <number10_M0MDB> lol
[17:47] <number10_M0MDB> you driving back tonight UpuDaves ?
[17:47] <UpuDaves> yeah as soon as
[17:48] <fsphil> long drive
[17:48] <UpuDaves> yup
[17:48] <number10_M0MDB> are you going up M1 - looks like a problem
[17:48] <fsphil> looking forward to seeing the results
[17:49] <UpuDaves> I won't join M1 until much further up
[17:50] <UpuDaves> sat nav will work its way around it
[17:50] <number10_M0MDB> thats handy - what one do you have? UpuDaves ?
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[17:50] <UpuDaves> Audi built in one
[17:50] <UpuDaves> no idea how it works
[17:50] <UpuDaves> just does
[17:50] <number10_M0MDB> lol
[17:51] <fsphil> woo woo
[17:51] <UpuDaves> I don't pay any subscription but it it knows....
[17:51] <number10_M0MDB> so i need to get an audi - was only thinking of paying a couple of hundred
[17:51] <UpuDaves> yeah
[17:51] <UpuDaves> and I checked its a ...sit down..... £2000 extra on a new car
[17:51] <UpuDaves> like Audi wtf taking the piss
[17:51] <fsphil> my car cost less than that
[17:51] <UpuDaves> crazy
[17:52] <number10_M0MDB> when is your flight fsphil ?
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[17:52] <nick_> UpuDaves: I finally got my full bike license, so I'll have to set up a chase bike...
[17:53] <fsphil> leaving for heathrow in about 30 minutes number10_M0MDB
[17:53] <UpuDaves> interesting
[17:53] <eroomde> where are you now fsphil?
[17:53] <number10_M0MDB> taking a radio fsphil ?
[17:53] <fsphil> dublin
[17:53] Nick change: number10_M0MDB -> number10
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[17:54] <nick_> Actually, I was wondering yesterday if I could make something to get some decent data out of a bike.
[17:54] <fsphil> I thought about it, but I only brought the FCD
[17:54] <nick_> (whilst riding back from the banbury test centre behing a slow guy towing a horse box)
[17:55] <nick_> Obviously I could use GPS and an IMU to get some interesting data, but I was wondering if I could get anything from the bike itself.
[17:56] <nick_> I could probably work out when I'm breaking by hooking up to the brake light.
[17:57] <fsphil> bbl
[18:00] <SpeedEvil> nick_: rpm, and wheel speed clearly
[18:01] <SpeedEvil> nick_: steering angle too if you add that
[18:01] <SpeedEvil> but 'just' rpm, throttle setting can'let'you infer gear
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[18:06] <AmericanDude1012> Where is Upu? I need Upu.
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[18:07] <Willdude123> WTF?
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[18:19] <heathkid|2> is there a project page for PIE/BUZZ?
[18:26] <nick_> SpeedEvil: I was wondering about measuring the engine revs
[18:26] <nick_> I was thinking I could hook something up to the throttle, although that scared me a little.
[18:29] <nigelvh> I had thought about making a loop around the spark plug wire on my motorcycle to count revs that way.
[18:32] <x-f> heathkid|2, there's some information on http://www.daveakerman.com/
[18:33] <nick_> I was wondering if I could even hack the info going into the dash board (is it still called a dash board on a bike) then I remembered I probably can't even afford a bike with an electronic dash board
[18:34] <nick_> I wonder if you could measure gear shifts
[18:34] <nick_> And since you should have access to a neutral light you could maybe use that to know the gear at any given time
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[18:39] <nick_> One simple thing that could be cool would be to just measure the angle of the bike during a ride and use that to rotate images in a film, to keep the horizon level
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[19:04] <SpeedEvil> nick_: is it fuel injected?
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[19:13] <stilldavid> Dan-K2VOL: you around?
[19:17] <Dan-K2VOL> hey stilldavid
[19:17] <stilldavid> uploading now, eta 12m or so
[19:17] <Dan-K2VOL> sweet
[19:17] <Dan-K2VOL> muchas gracias
[19:18] <stilldavid> I'll email a link when it's done. it's a2.8GB zip file
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[19:23] <Dan-K2VOL> cool
[19:24] <Dan-K2VOL> is it dropbox or an ftp server?
[19:24] <stilldavid> just a web server
[19:24] <stilldavid> download via http if that's cool
[19:24] <Dan-K2VOL> will do
[19:25] <Dan-K2VOL> may not be able to immediately, have to get where there's a more stable net connection. I really with HTTP supported re-starting transfers
[19:25] <Dan-K2VOL> I don't see why it doesn't at this point in time
[19:25] <stilldavid> yeah, it's kind of lame
[19:25] <stilldavid> but yeah, I'll leave it up a while
[19:25] <stilldavid> doesn't hurt anything
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[19:28] <bbjunkie> I see some nice pics from today's Pie mission, unfortunately I wasnt able to be here at the radio
[19:31] <Dan-K2VOL> cool
[19:31] <Dan-K2VOL> thanks man
[19:31] <stilldavid> email away
[19:42] <eroomde> very important technical decision opinions required
[19:42] <eroomde> http://www.frontpanelexpress.com/fileadmin/images/infill_colors/black.jpg
[19:42] <eroomde> luminour yellow or pastel orange
[19:42] <eroomde> for the engraved text on a black anodised panel
[19:42] <eroomde> this is for a balloon tracker with some nice milspec connectors and status leds
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[19:43] <alfie275> Hey guys
[19:43] <alfie275> So, at school we're sending a raspberri pi to 40km
[19:43] <SpeedEvil> 40km is a little challenging.
[19:43] <alfie275> I expect it'd drift about 80 km sideways? So I need to transmit about 100 km. I was wondering on the power required and legal aspects
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[19:44] <eroomde> alfie275: which country?
[19:44] <alfie275> UK
[19:44] <eroomde> 10mW
[19:44] <SpeedEvil> you can only legally use licence exempt freqs
[19:44] <eroomde> that's the max
[19:44] <alfie275> Hmm, would that reach 100km?
[19:45] <SpeedEvil> yes
[19:45] <SpeedEvil> easily
[19:45] <eroomde> here's what you should do right now
[19:45] <eroomde> read all of this
[19:45] <eroomde> http://wiki.ukhas.org.uk/general:beginners_guide_to_high_altitude_ballooning
[19:45] <eroomde> thoroughly
[19:45] <eroomde> then come back with the questions :)
[19:45] <SpeedEvil> http://habhub.org/predict/
[19:45] <SpeedEvil> indeed, that. the below is a predictor
[19:45] <SpeedEvil> for pat
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[19:46] <alfie275> We were also thinking of using a gliding parachute type thing, with the string running through a servo to steer it back. What kind of glide ratio could I expect?
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[19:47] <eroomde> it depends very much on which type of gliding parachute you use
[19:47] <eroomde> they almost all glide to some extent or other
[19:48] <SpeedEvil> Laurenceb has done that
[19:48] <eroomde> but i recommend not attempting controlled gliding on a first flight
[19:48] <SpeedEvil> indeed
[19:48] <SpeedEvil> waaay more complexity
[19:49] <alfie275> Well, most of us are taking electronics who are doing this
[19:50] <alfie275> And I don't expect it to glide right back to us :D
[19:50] <eroomde> :)
[19:50] <eroomde> well, gliding parachutes at high alt are a bit complicated
[19:50] <eroomde> and unintuitive
[19:51] <eroomde> and they'd be very much less stable than at ground level. you risk stalling the wing, which is a parafoil means it will collapse
[19:51] <eroomde> and probably wrap around the payload
[19:51] <SpeedEvil> and then catch fire.
[19:51] <SpeedEvil> haven't you seen the Simpsons?
[19:51] <eroomde> nuclear fire
[19:52] Nick change: m0psi -> daveake
[19:52] <eroomde> alfie275: a-level presumably?
[19:53] <alfie275> Yeah
[19:54] <eroomde> cool
[19:55] <eroomde> well, there's plenty of tronics in it to keep you busy before adding complicated control theory problems with parafoils
[19:55] <eroomde> and my advice would be to stick to a basic chute initially
[19:56] <alfie275> ok
[19:56] <eroomde> if you want to play with servos the have one angle a camera
[19:59] <alfie275> What is an average balloon mass?
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[20:00] <eroomde> 1200g
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[20:00] <alfie275> Would the wind drift massively increase if we used multiple balloons?
[20:01] <eroomde> why do you think it might?
[20:02] <alfie275> Greater area?
[20:03] <eroomde> so, i have one balloon with a payload
[20:03] <eroomde> i let go of it
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[20:03] <eroomde> what speed does it go at?
[20:03] <alfie275> Oh, I guess the acceleration doesn't factor much
[20:03] <eroomde> yep
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[20:03] <eroomde> it just goes at wind speed
[20:03] <eroomde> 1 balloon or 20 balloons
[20:04] <SpeedEvil> also, see the above habhub link
[20:04] <eroomde> yeah
[20:04] <SpeedEvil> it let's you predict where it will go
[20:04] <SpeedEvil> what bit of the UK are you in alfie275
[20:04] <daveake_> eroomde Did that other launch today get recovered?
[20:04] <eroomde> yes
[20:04] <daveake_> excellent
[20:04] <eroomde> it went nicely
[20:04] <alfie275> I'm in Devon
[20:05] <daveake_> cool
[20:05] <eroomde> predictor not bad
[20:05] <eroomde> about 5 miles out
[20:05] <eroomde> from ox to a bit southeast of cam
[20:05] <daveake_> predictor was very close for mine too
[20:06] <daveake_> I'm in "thank f**k the cameras are gone where's the wine?" mode
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[20:06] Nick change: daveake_ -> daveake
[20:07] <eroomde> :)
[20:07] <eroomde> a happy feeling
[20:07] <eroomde> feet up, job's a good'n
[20:07] <daveake> yes yes yes :)
[20:09] <daveake> Perfect flight really ... some nice pix sent "live"; no problems tracking or chasing; fairly easy recovery across a field
[20:10] <eroomde> yeah
[20:10] <daveake> I could have done with a bit less of "that was great, but can we do it again?" :)
[20:10] <eroomde> how it should be
[20:10] <daveake> indeed
[20:11] <daveake> I did stress that it doesn't always go like that!
[20:11] <eroomde> as long as they dont ask you to launch again
[20:11] <daveake> They jokingly asked "can we the burst again please?"
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[20:49] <number10> daveake: there was a reset problem on Pi during flight - signal was strong then suddenly seemed to just get carrier as if processor had reset or something hence missing frames on pics 18 and 21
[20:49] <number10> check the garage to see if any kids are hiding out there
[20:49] <daveake> :)
[20:49] <daveake> Well if the processor reset the sentence number will reset
[20:50] <daveake> I have seen it miss packets (they don't get sent) in testing sometimes
[20:50] <daveake> Some serial buffering issue I think
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[21:02] <cuddykid> daveake: was there a lot of "can we run over this again"?
[21:02] <daveake> yup
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[21:02] <daveake> Usually phrased thus: "That was great; can we do it again please?"
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[21:07] <number10> I bet they said that after bacon butties daveake ;)
[21:07] <daveake> Well, I think they all got eaten ;0
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[21:51] <m0psi> hi all
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[21:52] <m0psi> thanks for your help during the chase, much appreciated.
[21:52] <m0psi> that was quite an exciting day
[21:53] <m0psi> bit of a text book launch and landing, learned bunches. thanks to upu and daveake
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[22:29] <Upu> evening
[22:35] <Upu> [20:11] <daveake> They jokingly asked "can we the burst again please?"
[22:35] <Upu> they weren't joking I had to screen shot spacenear.us and put it back up on the screen for 5 takes of "excited the balloon has burst"
[22:36] <Upu> btw daveake I left your IRC logged in as UpuDaves :)
[22:39] <Upu> horizontal balloon launch http://i.imgur.com/Sj8BI.jpg
[22:57] <m0psi> hi upu
[22:57] <Upu> hey Ali evening
[22:57] <Upu> have fun on the recovery ?
[22:57] <m0psi> all back in cosy north land ? :-)
[22:57] <m0psi> for sure
[22:57] <Upu> yep
[22:57] <m0psi> i loved it
[22:57] <Upu> blinding run back
[22:58] <Upu> 3 hours for 210 miles
[22:58] <m0psi> nice
[22:58] <Upu> what time did you get back to Daves ?
[22:58] <m0psi> well, that is 70mph average
[22:58] <m0psi> so, ok
[22:58] <m0psi> oh, about 7:45
[22:59] <m0psi> i was back home at 9
[22:59] <Upu> yeah glad I didn't stick about and wait :)
[22:59] <m0psi> y, as soon as we arrived, both tv man and i said, we're off
[22:59] <m0psi> even though julie offered T
[23:00] <Upu> well was getting late I guess
[23:00] <m0psi> he had to drive back to north london :-)
[23:00] <Upu> what was the name of that knot you used btw ?
[23:00] <m0psi> bowlin
[23:00] <Upu> thx
[23:00] <m0psi> http://www.animatedknots.com/bowline/
[23:01] <m0psi> for boating (climbing I am told) it is the knot of choice for a rope under load
[23:01] <m0psi> the harder the pull, the tighter it gets
[23:01] <Upu> ok cheers
[23:01] <m0psi> and the cool thing is, it can be undun
[23:01] <m0psi> undone
[23:02] <m0psi> http://www.ehow.com/video_4956225_bowline-knot-story.html
[23:03] <m0psi> there is a way to remember it; rabit comes out of the hole, goes around the tree, back in the hole
[23:03] <mfa298> bowline is a great knot, although seems to be one of those that people struggle to learn
[23:03] <m0psi> rabbit thing makes it easy
[23:04] <mfa298> as long as you make the hole the right way around, but it is a good way of remembering how to tie it.
[23:04] <m0psi> thanks for the bits upu
[23:04] <Upu> nps
[23:05] <m0psi> y, i made my girls learn to do it so well, they can do it blind fold
[23:05] <m0psi> (girls == daughters)
[23:06] <m0psi> once it is ingrained, you can do it easy, when under pressure, which normally the case.
[23:06] <m0psi> anyway, cool day upu, much unexpected
[23:06] <m0psi> good to see you, and look forward to next meeting
[23:06] <Upu> glad you enjoyed it and thanks for the help
[23:06] <m0psi> sure thing
[23:10] <m0psi> is the FT-790 one of the preferred rx ?
[23:10] <Upu> I believe it does the job
[23:10] <Upu> http://imgur.com/a/cpP97#0
[23:10] <m0psi> btw upu real shame your gadget did not fly, i was looking forward to that
[23:10] <Upu> yeah well given it was rolling on for 2pm
[23:10] <Upu> I'll launch it another time
[23:11] <m0psi> y
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[23:11] <Upu> I didn't see the point in launching a solar powered payload when it was getting dark :)
[23:12] <m0psi> right, and it would have cut out on the way down for sure
[23:12] <m0psi> sunset and all
[23:12] <Upu> sun was low as well
[23:12] <m0psi> bit of a fair weather gadget :-)
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[23:13] <m0psi> can't wait to have our WASP-1 up there
[23:13] <Upu> well sure you have the knowledge to do it now
[23:14] <Upu> having seen 2 launches :)
[23:14] <m0psi> i have to say though, I am dreading having to find all the anciliary bit and pieces
[23:14] <m0psi> in less than one week!
[23:14] <m0psi> the filler tube/attachement for a start
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[23:22] <Upu> I'm off now but thx for the help Ali night all
[23:23] <m0psi> nn upu
[23:23] <m0psi> my pleasure for sure
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[00:00] --- Sat Nov 10 2012