[00:05] <Dan-K2VOL1> Evenin
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[00:08] <NigeyS|> evening lunar, dan
[00:12] <Zuph> Staying up late, NigeyS| ? :-p
[00:12] <NigeyS|> yeah trying to xfer my breadboarded sensor board to a stripboard .. emphisis on the word trying!
[00:14] <Lunar_Lander> hello Zuph
[00:14] <Zuph> heh, stripboarding is more an art than a science.
[00:14] <Zuph> Evening, Lunar_Lander
[00:15] <NigeyS|> it is yeah, working out where to cut the board n stuff :/
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[00:30] <fsphil> giving eagle a try again... anyone know a handy place to get the atmega644 part?
[00:34] <fsphil> oh it's already there, n/m
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[01:09] Nick change: er1k757_ -> er1k757
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[01:13] <Lunar_Lander> so what are the next steps Dan-K2VOL1?
[01:13] <Dan-K2VOL1> https://www.pivotaltracker.com/projects/226687# Lunar_Lander!
[01:13] <Zuph> Lots of them!
[01:13] <Zuph> !
[01:14] <Lunar_Lander> very nice
[01:14] <Lunar_Lander> :)
[01:15] <Lunar_Lander> so
[01:15] <Lunar_Lander> 2/24 is the day to go?
[01:15] <Zuph> heh
[01:15] <Zuph> Not quite
[01:16] <Zuph> We're going to try to get everything finished by the 18th, so we can be ready to fly by the time Project Blue Horizon is in the air.
[01:16] <NigeyS|> i blew my led :(
[01:17] <Lunar_Lander> Blue Horizon?
[01:17] <Zuph> http://projectbluehorizon.com/
[01:18] <Zuph> They're a group out of Cornell University, bankrolled by Lockheed Martin.
[01:18] <natrium42> Zuph: ooh, competitive :
[01:18] <natrium42> :D
[01:18] <Zuph> They'll be flying an Aerostar ZP over 10 times the size of ours, targeting 80k feet
[01:19] <Lunar_Lander> ah
[01:19] <Lunar_Lander> Lockheed?
[01:19] <Lunar_Lander> that's why Aerostar even talked to them
[01:20] <Lunar_Lander> at least I think so
[01:20] <Lunar_Lander> do they still have their "No Balloons for Civilians" policy?
[01:21] <Dan-K2VOL1> Actually aerostar sold the balloons to Cornell University
[01:21] <Lunar_Lander> ah ok
[01:22] <Dan-K2VOL1> I had lunch with their engineering advisor from Lockheed, John Chechherelli
[01:22] <Dan-K2VOL1> Last september
[01:22] <Dan-K2VOL1> Nice enough guy
[01:22] <Dan-K2VOL1> He was excited about the idea of a trans-atlantic race someday. We hope to provide it sooner rather than later
[01:23] <Lunar_Lander> yeah
[01:23] <Dan-K2VOL1> What will be funny is if this PBH flight is actually a short range flight
[01:23] <Lunar_Lander> so Lockheed does balloon work?
[01:23] <Dan-K2VOL1> No
[01:23] <Lunar_Lander> yes they do
[01:23] <Lunar_Lander> they make radiosondes
[01:23] <Lunar_Lander> :)
[01:23] <Dan-K2VOL1> Just funding the engineering projects for senior projects
[01:23] <Lunar_Lander> and make radiosondes :)
[01:23] <Dan-K2VOL1> Well I think it's entirely unrelated in this case
[01:23] <Lunar_Lander> yeah
[01:23] <Lunar_Lander> I just wanted to make a joke
[01:24] <Lunar_Lander> but I think that PBH is very interesting
[01:24] <Lunar_Lander> they even held the altitude record
[01:25] <Lunar_Lander> I just had an idea
[01:25] <Dan-K2VOL1> As they should, being a top engineering school, and funded by a major corporation
[01:25] <Lunar_Lander> given that "professional" balloons make it around the world on a regular basis
[01:25] <Lunar_Lander> do you think someone will make an amateur transglobal balloon?
[01:25] <Dan-K2VOL1> That's superpressure balloons not zero pressure balloons in non-antarctic areas
[01:25] <Lunar_Lander> oh yes, sorry
[01:26] <Lunar_Lander> superpressure means you need Mylar or another plastic
[01:27] <Dan-K2VOL1> Yeah
[01:27] <Lunar_Lander> but I think that won't be good anyway at this point
[01:27] <Lunar_Lander> I mean
[01:27] <Lunar_Lander> the manned balloons first flew the oceans
[01:27] <Dan-K2VOL1> Only arctic areas can support zps for long periods
[01:27] <Lunar_Lander> and then the RTW challenge began
[01:27] <Lunar_Lander> yeah
[01:27] Action: russss is watching the STS-115 re-entry/landing video
[01:27] <Lunar_Lander> so we should try ocean crossings first probably
[01:27] <Lunar_Lander> before attempting other things
[01:28] <Dan-K2VOL1> One ocean crossing, coming right up!
[01:28] <Lunar_Lander> yeah
[01:28] <Lunar_Lander> :)
[01:28] <Lunar_Lander> are there Japanese HABers btw?
[01:31] <Dan-K2VOL1> Dunno, haven't heard of any.
[01:31] <Dan-K2VOL1> They have a govt balloon program that's pretty good
[01:32] <Lunar_Lander> I know
[01:33] <Lunar_Lander> they also made the only other book about that topic other than the NCAR one
[01:33] <Dan-K2VOL1> Interesting
[01:33] <Dan-K2VOL1> Didnt' know that
[01:33] <Lunar_Lander> yeah
[01:33] <Lunar_Lander> it is interesting indeed
[01:33] <Lunar_Lander> the book came out in 2003 I think
[01:33] <Lunar_Lander> and it wasn't until 2009 that Springer books published an english translation
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[02:39] <Lunar_Lander> good night!
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[05:40] <spacefelix> Yo.
[05:40] <spacefelix> I take it you guys have seen the Project Spaceplane?
[05:40] <spacefelix> http://projectspaceplanes.com/
[05:41] <Darkside> yes
[05:41] <spacefelix> What do you guys think? Is it realistic that their airplanes launched from near-space are showing up in places like South Africa and the West Coast of the USA?
[05:41] <Darkside> i call bullshit
[05:41] <spacefelix> Mm.
[05:41] <spacefelix> What would you think the maximum radius of travel would be?
[05:42] <Darkside> no idea
[05:42] <spacefelix> Mm.
[05:42] <Darkside> not that far tho
[05:42] <spacefelix> So at most, one could cover a major city perhaps?
[05:42] <spacefelix> Or the region in the vicinity?
[05:43] <spacefelix> Maybe a state or two?
[05:44] <Darkside> state or two seesms likely
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[05:45] <Darkside> the legality of it is a bit questionable
[05:45] <Darkside> would have to go though a lot of bullshit to do that in australia
[05:46] <spacefelix> Really?
[05:46] <spacefelix> Is it the littering or what?
[05:47] <Darkside> nah
[05:47] <Darkside> more dropping potential hazards from a high altitude
[05:48] <spacefelix> Mmm, aren't all balloon flights drop hazards?
[05:49] <spacefelix> We've only needed a parachute to be safe.
[05:49] <Darkside> true, but its a single object
[05:49] <Darkside> not a cluster bomb
[05:51] <spacefelix> Ah.
[05:51] <spacefelix> Hmm.
[05:52] <spacefelix> Here in the US, it's only required that 'precautions be taken' to protect those on the ground.
[05:52] <spacefelix> So if we put a parachute on the descent payload, we've got our coverage.
[05:52] <spacefelix> So a paper airplane technically is it's own parachute.
[05:52] <spacefelix> LOL.
[05:53] <spacefelix> We're holding a tech expo at our hackerspace Marth 5th.
[05:53] <spacefelix> And we're thinking of doing a project spaceplane-type advertisement.
[05:53] <spacefelix> Launch 100 of our flyers folded into paper airplanes from a high-altitude weather balloon.
[05:53] <spacefelix> And wait to see what happens.
[05:54] <spacefelix> We're putting a discount on those who find and return the space flyers.
[05:54] <spacefelix> So those who show up can roughly tell us where they ended up.
[05:54] <spacefelix> We're gonna keep this simple, no tracking.
[05:54] <spacefelix> Just a balloon, release net and paper airplanes and counterweight with chute.
[05:55] <spacefelix> So....
[05:55] <spacefelix> .... lol. If it is true that we can get a plane from Alabama to Austrailia....
[05:55] <spacefelix> .... LOLOL!
[05:55] <spacefelix> We will be tickled shitless. ;D
[05:56] <spacefelix> Adn yes, you would be welcome to visit us waaaaaaay over there. :D
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[06:00] <Darkside> haha
[06:00] <Darkside> the chances of finding one of the planes is astronomically small
[06:00] <Darkside> unless they all have telemetry transmitter
[06:00] <spacefelix> But astronomically mind-numbing. :D
[06:00] <Darkside> transmitters*
[06:00] <spacefelix> Heh.
[06:01] <spacefelix> I passed the site to Bill Brown.
[06:01] <spacefelix> He threw a fit.
[06:01] <Darkside> ?
[06:01] <spacefelix> Was going on about how the flashiest website wins.
[06:01] <Darkside> heh
[06:01] <spacefelix> Oh, he's the guy who claims to have invented high-altitude ballooning.
[06:01] <spacefelix> He lives in Huntsville, AL.
[06:02] <spacefelix> And has been a prme resource on how it's done. :D
[06:02] <spacefelix> So he really went nuts when he saw the claims on project spaceplane.
[06:02] <spacefelix> Right now, he's developing a tracker for a paper airplane to prove it. :P
[06:03] <Darkside> lol cool
[06:03] <Darkside> its gotta be super light tho
[06:03] <spacefelix> Oh ja.
[06:03] <spacefelix> Never seen him madder since I told him about it. ;D
[06:03] <natrium42> lol
[06:04] <natrium42> a real gps tracker?
[06:04] <natrium42> could be expensive to build that many
[06:04] <spacefelix> That's his goal.
[06:04] <natrium42> not impossible to get it small though
[06:04] <spacefelix> I have no idea what he's planning to do.
[06:05] <spacefelix> All I know is that he got hot under the collar and haven't seen him since.
[06:05] <natrium42> :D
[06:05] <spacefelix> And when asked about it, he mutters about flashy websites and stuff.
[06:05] <spacefelix> Oh, and that he's putting a GPS on a paper airplane.
[06:05] <natrium42> well, his is still in the 90ies era
[06:05] <natrium42> :P
[06:06] <spacefelix> Ah.
[06:06] <natrium42> www.wb8elk.com
[06:07] <natrium42> bill is cool though
[06:07] <natrium42> he streams all of his launches live lately
[06:08] <spacefelix> Rock. :D
[06:10] <spacefelix> It just occured to me....
[06:10] <spacefelix> .... what if you could do away with all the auxiliaries and do a project spaceplane launch by placing the paper airplanes IN the balloon itself?
[06:10] <spacefelix> You wouldn't have to worry about release since the balloon is gaurnateed to pop.
[06:11] <spacefelix> And there is no longer a need for parachutes or payload carriers.
[06:11] <spacefelix> The only difficulty is cramming paper airplanes into the balloon neck and cutting the sides of the balloon with the edges of the planes. :P
[06:12] <natrium42> i'd worry about them puncturing the envelope
[06:14] <natrium42> it expands to 9 meters diameter :P
[06:14] <Darkside> very thin ballolon wall at that diameter
[06:25] <spacefelix> Hmm.
[06:26] <spacefelix> Blunt-body time. :P
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[06:48] <spacefelix> Seeya guys
[06:48] <spacefelix> It's been cool.
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[07:04] <earthshine> morning
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[07:09] <jcoxon> morning all
[07:27] <jcoxon> ping natrium42
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[07:52] <earthshine> Is the launch from EARS still going ahead today ?
[07:53] <jcoxon> last i heard yes
[07:53] <jcoxon> not sure if it is spacenear compatible
[07:55] <earthshine> oh
[07:55] <earthshine> :(
[07:56] <earthshine> pretty dumb if it isnt as it means he cant have lots of people helping to track it
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[08:25] <eroomde_> earthshine: sometimes you dont want lots of people to track it!
[08:26] <jcoxon> morning eroomde_
[08:27] <earthshine> Who not?
[08:27] <earthshine> why not?
[08:28] <eroomde_> private job
[08:28] <eroomde_> morning jcoxon
[08:28] Nick change: eroomde_ -> eroomde
[08:29] <earthshine> I don't get that. All launches are private jobs.
[08:31] <eroomde> private in the private rather than non-commercial sense!
[08:31] <juxta|console> we've had a few launches we didn't want tracked by many people
[08:31] <earthshine> I still dont see what harm there can be in getting as many people as possible to help track your private launch
[08:32] <jcoxon> earthshine, depends where it is going
[08:33] <eroomde> some private but commercial jobs that come with pr departments from very large multi-national organisations will state very clearly that they don't want know distributed listener
[08:33] <eroomde> no*
[08:34] <eroomde> one should reason with them, as it's a good thing and I agree with you, but ultmately they're the boss
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[10:05] <SpeedEvil> In principle - randoms coming along and nicking your balloon
[10:05] <SpeedEvil> It is a possible risk.
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[10:22] <Darkside> woo n900 battery low
[10:22] <Darkside> *awesome*
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[10:32] <fsphil> morning all
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[10:50] Nick change: ben_apex -> ben_apex_
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[11:14] <Laurenceb_> Darkside: why is that awesome?
[11:14] <Darkside> </sarcasm>
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[12:22] <Laurenceb_> http://www.freepatentsonline.com/5443036.html
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[12:33] Nick change: ben_apex_ -> ben_apex
[12:33] Nick change: Randomskk_ -> Randomskk
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[12:51] <zwifilms> juxta are you about tonight?
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[13:00] <Darkside> lol
[13:00] <Darkside> damn
[13:00] <Darkside> he needs to stay online longer
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[13:22] <NigeyS> ello davidjc
[13:25] <NigeyS> anyone know if the launch went ahead this morning at EARS ?
[13:26] <fsphil> hasn't been mentioned
[13:26] <NigeyS> hmmz
[13:31] <NigeyS> jonsowman, you about ?
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[13:32] <NigeyS> ello chembrow
[13:45] <chembrow> a'noon NigeyS
[13:45] <chembrow> is there a launch today?
[13:46] <NigeyS> thought there was this morning, but haven't seen it on the tracker or anything :/
[13:48] <chembrow> yeah. saw the update on the wiki when I checked google reader this morning
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[13:49] <NigeyS> maybe theyre running super late...
[13:49] <chembrow> you'd have thought someone would have said something in here tho.
[13:50] <chembrow> maybe they got the date wrong, they only added the entry to the wiki last night
[13:50] <NigeyS> rocketboy did pop in last night to say a launch at 10:30am but heard nothing since
[13:50] <LazyLeopard> ...or they're doing their own thing with tracking
[13:50] <NigeyS> possibly
[13:51] <NigeyS> haven't heard a peep on the radio so its not down this way
[13:51] <chembrow> I was going to start my soak test, but not if there's something to track
[13:51] <LazyLeopard> Not been listening on uhf.
[13:53] <LazyLeopard> Was trying to chase some summits earlier on 40 and 80, but 40 seems to be in contest-overload mode todat...
[13:54] <NigeyS> yikes
[13:55] <LazyLeopard> Lots of CQs, and no spare spectrum...
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[15:03] <fsphil> mmm... hf contest
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[15:06] <Darkside> who owns
[15:10] <Laurenceb_> as in the ip address?
[15:10] <Darkside> the subnet
[15:10] <NigeyS> has been assigned by IANA to APNIC on the 19th January 2010, for use for as public unicast space for further address allocations and assignments. Before APNIC commences allocations and assignments,
[15:10] <NigeyS> used to be private space but its public now
[15:10] <Darkside> hrm ok
[15:10] <Darkside> as keng here is
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[15:11] <Darkside> i just found that interesting
[15:11] <NigeyS> oo this is interesting..
[15:11] <NigeyS> A related objective was to investigate the distribution of traffic directed to addresses in to determine if there are particular addresses that are “hot spots” for attracting unwanted traffic, and quantify the additional traffic that such addresses attract.
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[15:17] <NigeyS> hi RocketBoy
[15:18] <RocketBoy> yo
[15:18] <NigeyS> did you launch earlier ?
[15:19] <RocketBoy> it wasn't mine - but I was at a launch a ERAS
[15:19] <RocketBoy> EARS
[15:20] <NigeyS> ah right
[15:21] <RocketBoy> the launch was ay 10:30 - and I gust got word that it was recovered OK
[15:22] <Darkside> i guess they used their own tracker?
[15:23] <RocketBoy> yeah - the radio tracker system they were using wasn't much help - but they had a GSM tracker
[15:23] <Darkside> >_>
[15:23] <Darkside> ahh
[15:23] <jgrahamc> It was a balloon launch?
[15:23] <Darkside> what do you mean it wasn't much help?
[15:24] <RocketBoy> it was sending OK but i don;t think the datalink was working
[15:24] <Darkside> ah, 2 way stuff
[15:24] <jgrahamc> Was this Bello Mondo 3?
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[15:25] <Darkside> i do like distributed tracking
[15:25] <Darkside> means there's always backup...
[15:25] <RocketBoy> jgrahamc: yes
[15:26] <jgrahamc> RocketBoy: Thanks. Where did it come down? Figured it was too windy today.
[15:27] <RocketBoy> jgrahamc: I don't have that info yet
[15:28] <jgrahamc> RocketBoy: which reminds me. I need to get round to ordering a balloon from you for my launch. Will add to my TODO list.
[15:28] <RocketBoy> it has a contor HD camera onboard - so it will be interesting to see how that turned out
[15:29] <jgrahamc> One of those helmet cams?
[15:29] <RocketBoy> yep
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[15:30] <jonsowman> NigeyS: hi
[15:30] <jonsowman> you pinged?
[15:30] <RocketBoy> anyone on here a dutch speaker?
[15:32] <RocketBoy> jonsowman: When I was at CH last time I think I left something in the room we were in
[15:32] gb73d (gb73d@79-79-130-38.dynamic.dsl.as9105.com) joined #highaltitude.
[15:32] <NigeyS> oh yeah sorry jonsowman fixed now, thought the tracker was down but mustve been a glitch with virginmedia's dns
[15:33] <griffonbot> @pixelseventy2: Just started the "soak test" for my HABalloon flight computer. Lets see how long/well it runs outside. Shame it's not a bit colder. #ukhas [http://twitter.com/pixelseventy2/status/36447717647458304]
[15:33] <jonsowman> ah ok, no problem
[15:34] <jonsowman> RocketBoy: I'll email the CUSF list and ask someone at Chu to have a look
[15:34] <jonsowman> What did you leave?
[15:35] <RocketBoy> its a plated steel disk about 10cm across with a hole in the centre - its just the keeper from my magnetic mont antenna
[15:35] <RocketBoy> no rush - but if anyone finds it it would be great
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[15:39] <NSS-WB9SBD> So, are we a flying this mornin'?
[15:40] <jonsowman> RocketBoy: righto, will send an email
[15:40] <RocketBoy> cool - thanks
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[15:54] <NSS-WB9SBD> Greetings
[15:55] <NSS-WB9SBD> Looks like the payload is active.
[15:57] <K7RKT> ya -- but looks like he turned it off again. It normally goes once every minut
[15:58] <K7RKT> looks like it may be on its way!
[15:58] <NSS-WB9SBD> could of had a packet crash.
[15:58] <Darkside> i thought the launch already happened
[15:58] <Darkside> i think this is just a test of a payload
[15:59] <Darkside> 02:33 < griffonbot> @pixelseventy2: Just started the "soak test" for my HABalloon flight computer. Lets see how long/well it runs outside. Shame it's not a bit colder. #ukhas [http://twitter.com/pixelseventy2/status/36447717647458304]
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[16:02] <NSS-WB9SBD> This is exactly why I do not understand why some of these groups can not make ONE person. is it really that hard to have Just ONE person man a chat room to answer questions, give up-dates etc. UG!
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[16:12] <NSS-WB9SBD> grettigs Dano
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[16:17] <Zuph> Morning Habers
[16:17] <NigeyS> good morning Zuph
[16:17] <NigeyS> hey NSS-WB9SBD
[16:20] <NSS-WB9SBD> Looks like it's aloft!
[16:20] <NSS-WB9SBD> hello everyone.
[16:22] <NigeyS> NSS-WB9SBD, a launch ?
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[16:22] <NSS-WB9SBD> yup.
[16:22] <NigeyS> oh cool, aprs ?
[16:24] NSS-WB9SBD_ (cfbe61e8@gateway/web/freenode/ip. joined #highaltitude.
[16:25] <Dan-K2VOL> where's that site that shows likely balloons on APRS?
[16:26] <NigeyS> not a clue :(
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[16:31] <NigeyS> http://aprs.fi/?call=K6RPT-15&mt=roadmap&z=11&timerange=86400
[16:31] <NSS-WB9SBD_> sorry just got back
[16:31] <NigeyS> wb :) they going for the record again ?
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[16:32] <NSS-WB9SBD_> I'm thinking yes, but they really did not say this time. but same size balloon and payload so I'm thinking yup.
[16:33] <NigeyS> oo, hopefully this balloon isnt as defective as the last 1
[16:33] <jgrahamc> Wow, they are flying that through an area with a lot of air traffic. San Jose airport must be really close by.
[16:34] <NSS-WB9SBD_> doesan't matter an exempt flight.
[16:34] <jgrahamc> Understood.
[16:35] <BigRedBee> but it is right in the approach to SJC -- but it should pass thru quick as it's travelling perpendicular to the approach path
[16:35] <BigRedBee> Looks like it's already clear
[16:35] <jgrahamc> Yes, that is the approach path. Flown that many, many times.
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[16:44] <NSS-WB9SBD> I'm back
[16:44] <NigeyS> wb
[16:45] <NigeyS> headed for the mountains
[16:46] <Zuph> Who's balloon is this we're watching?
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[16:47] <NigeyS> california near space
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[16:48] <Zuph> ah
[16:48] <NigeyS> CNSP is planning Flight K6RPT-15, that will be a high altitude attempt.
[16:49] <NigeyS> how goes Speedball-1 Zuph ?
[16:49] <NSS-WB9SBD> http://aprs.fi/?call=K6RPT-15&mt=roadmap&z=11&timerange=3600
[16:49] <Zuph> Moving steadily forward!
[16:50] <NigeyS> great! another busy weekend working i guess?
[16:50] <Zuph> Cryo testing today, hacking away at a video camera module, testing xbees and squashing bugs.
[16:50] <Zuph> It's a race against PBH :-p
[16:50] <NigeyS> aww dont squash the bugs, that's mean :p
[16:50] <NigeyS> pbh ?
[16:52] <Zuph> Project blue horizon
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[16:53] <NigeyS> :o theyre going in 9 days?!
[16:53] <Zuph> Yep
[16:54] <NigeyS> should be interesting then, 2 in the air at the same time eh? :p
[16:55] <Zuph> heh
[16:55] <Zuph> Yep
[16:55] <Zuph> We plan on whizzing right under them, though
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[16:55] <NSS-WB9SBD_> I keep crshing today,
[16:56] <NigeyS> that would be cool if it was caught on camera!
[16:56] <NSS-WB9SBD_> browser that is.
[16:56] <NigeyS> L plates ;)
[16:57] <Zuph> heh
[16:57] <Zuph> We need someone to wire up some logic to that camera I was fooling with yesterday
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[16:58] <NSS-WB9SBD_> ?
[16:59] <Zuph> NSS-WB9SBD_: http://www.youtube.com/watch?v=Mc74roBH77Q
[17:00] <NSS-WB9SBD_> whats that of?
[17:01] <Zuph> We're thinking of putting a tiny, tiny video camera on our balloon. If the payload is recovered, we'll get the historic footage of the first transatlantic amateur balloon :-p
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[17:01] <NSS-WB9SBD_> ahhhh OK, most of the video would be boring he he he,, but seeing the coast approaching would be cool!
[17:02] <Zuph> Well, we'd keep it turned off to save power unless we're getting close.
[17:02] <NSS-WB9SBD_> absolutely!
[17:02] <Zuph> Need someone to wire a uc onto the camera, though!
[17:02] <NSS-WB9SBD_> how do you plan on controlling it. fully automated or what?
[17:03] <Zuph> Sat modem control
[17:03] <NSS-WB9SBD_> ahh cool idea
[17:03] <Zuph> If we see that we're getting close, we'll send the balloon a command to turn the camera on.
[17:04] <NSS-WB9SBD_> cool, any estimated date, kinda running out of time for this year.
[17:04] <Zuph> I know :(
[17:04] <Zuph> Hopefully inside of 10 days.
[17:04] <Zuph> We're going to make a couple duplicate payloads, so we can have a couple quick-fire launches.
[17:04] <NSS-WB9SBD_> cool
[17:05] <NSS-WB9SBD_> balloon?
[17:05] <Zuph> ZP from Caviezel
[17:05] <NSS-WB9SBD_> thought that would be the case, what kind of tracking?
[17:06] <fsphil> Zuph, you could transmit the images with sstv
[17:06] <NSS-WB9SBD_> well he's hit 50K so far
[17:06] <NSS-WB9SBD_> 50K feet that is
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[17:06] <Zuph> fsphil: We're just banking on recovery. The pictures won't really be interesting unless we hit land, anyway. SSTV is a lot more work and effort than we have the time or expertise for right now.
[17:07] <Zuph> NSS-WB9SBD_: Sat modem into a custom backend, plus an HF Transmitter from WB8ELK for backup
[17:07] <fsphil> fair enough :) there's enough bits and pieces in there as it is
[17:07] <NSS-WB9SBD_> dominoEX and RTTY? what bands?
[17:07] <Zuph> dominoEX exclusively, I think. 40M
[17:07] <NSS-WB9SBD_> K
[17:08] <Zuph> Unless Bill changes his mind at last-minute and goes to 20M :-p
[17:08] <Zuph> Here's a tentative alpha of our tracking page: http://www.whitestarballoon.com/vis/
[17:09] <NSS-WB9SBD_> awesome page!! Very nice!!!
[17:11] <x-f> i agree - it is very nice!
[17:13] <x-f> all that telemetry data
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[17:16] <NSS-WB9SBD_> la la la la
[17:17] <Hiena> ' evening!
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[17:22] <fsphil> K6RPT-15 is the current balloon in the air?
[17:22] <NigeyS> yups
[17:22] <fsphil> hasn't updated in a while
[17:22] <NigeyS> hm good point
[17:25] <fsphil> almost 20 minutes now
[17:26] <Hiena> How is the burst estimation?
[17:27] <fsphil> ah there we go
[17:27] <fsphil> 23km
[17:27] <NigeyS> much slower speed to
[17:27] <fsphil> I hope they manage it this time
[17:27] <Zuph> Thanks x-f and NSS-WB9SBD_
[17:28] NSS-WB9SBD (cfbe61e8@gateway/web/freenode/ip. joined #highaltitude.
[17:28] <Hiena> Nice.
[17:28] <NSS-WB9SBD> At least this time it doesn't look like it's gonna go for a swim.
[17:33] <NSS-WB9SBD> Looks like no up dates?
[17:33] <LazyLeopard> Water landing last time?
[17:33] <fsphil> I'm glad we don't use aprs
[17:34] <Zuph> I have a deep hatred for APRS which defies even my own understanding.
[17:35] <NSS-WB9SBD> just curious as to why, yeah I know on te trans atlantic it doesn't have a chance. but stateside why not?
[17:35] <NSS-WB9SBD> almost 10 min since last report
[17:36] <fsphil> the last gap was 20 minutes
[17:37] <LazyLeopard> It depends, I guess, on whether you can muster a sufficiently large monitoring team. If not, APRS is way better than nothing, but it's prey to these long intervals between reported fixes....
[17:40] <NSS-WB9SBD> like now
[17:41] <Zuph> Yeah, for landlocked balloons, APRS works out pretty well. I just hate it in general :-p
[17:41] <NSS-WB9SBD> then ya get the nag from the ARPS police, he he he
[17:41] <fsphil> APRS seems to need more power, with it's FM+AFSK modulation and high bit-rates
[17:42] <NSS-WB9SBD> absolutely it's useless on HF
[17:43] <Zuph> Cool, got our vanity club call: N1LVL
[17:44] <fsphil> nice
[17:44] Jasperw (~jasperw@2001:470:92f1:0:223:5aff:fef5:cce) joined #highaltitude.
[17:44] <Zuph> Fitting for the LVL1 hackerspace :-p
[17:47] <NigeyS> hm now this is what you call weird..
[17:47] <NigeyS> http://news.bbc.co.uk/sport1/hi/other_sports/horse_racing/9395743.stm
[17:48] <NSS-WB9SBD> well this flight has got ultra boring no up dates at all.
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[17:51] <LazyLeopard> NigeyS: Very unpleasant... Bet they'll be digging up any cables under that paddock.
[17:52] <NigeyS> well theyre saying no cables are damaged, but short of some freaky buildup of static, it has to be the cables
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[17:56] <Hiena> NigeyS, it's called stepping voltage.
[17:57] <NigeyS> aha an update
[17:58] <NigeyS> 60mph 110k ft
[17:58] <griffonbot> Received email: John Underwood <john@jcu.me.uk> "Re: [UKHAS] Fwd: DominoEX decoding from high altitude balloons"
[17:59] <Hiena> If you ground the high voltage, it will be drop exponentially from the point. If you short two points, one is closer to the point and one is far from that you could measure voltage between them. Usually it's not a problem for a human, because the distance between the legs is short, but it could be fatal for the horses or the cows.
[18:00] <NigeyS> ahh, and horses are more sensitive to electricity .. still unusual though, never heard of it before .. poor horsies
[18:01] <Hiena> Also the horses has a better connection to the ground due the shoes.
[18:02] <NigeyS> yeah metal shoes kinda dont get on with electricity
[18:02] <Hiena> Yup, for example at least one hoses was killed near to the Budapest Technical University High Voltage lab at the thirties.
[18:02] <NigeyS> :o crikey
[18:04] <LazyLeopard> In that report one of the stable hands reported feeling a "tingling" in the area the horses went down.
[18:05] <Hiena> It was hard to explain to the driver, and the the uni paid good money.
[18:11] <griffonbot> @nearsys: Finished first Comps test and assembly directions for UltraLight. Need to complete second comps test and UltraLight testing. #ARHAB [http://twitter.com/nearsys/status/36487586574761984]
[18:27] <fsphil> oooh 33.7km, they're past my personal best :)
[18:27] <fsphil> man that was over half an hour ago
[18:27] <NigeyS> yups, aprs not being to helpful today :(
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[18:57] <fsphil> almost certainly burst by now
[18:58] <Dan-K2VOL> busy about to cryo here at white star
[19:00] <Dan-K2VOL> http://ustre.am/oIad
[19:02] <Dan-K2VOL> payload hanging over the chamber\
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[19:04] <NSS-WB9SBD> I'm back anyone know anythings?
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[19:05] <fsphil> wb!
[19:05] <fsphil> no updates since
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[19:07] <NSS-WB9SBD> since a long time
[19:07] <NSS-WB9SBD> over a hour ago
[19:09] <fsphil> I'm guessing it's on the way down by now
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[19:35] <NigeyS> i think this balloon has got lost .. :|
[19:36] <fsphil> hope they have a backup
[19:36] <fsphil> sms or something
[19:37] <NigeyS> looks like theyre going to need it
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[19:50] <MrCraig> LasseniQ datasheet - the required connections for the Rx pins when not used for communications - High (VCC) (via pullup), so as I don't plan on sending anything to the device they should be constantly high, but what's the (via pullup) mean?
[19:51] <fsphil> it's a resistor between VCC and the RX pin
[19:51] <fsphil> keeps the pin high
[19:52] <MrCraig> thanks, so how should the resistance be decided?
[19:53] <MrCraig> also, for unused tx pins it sais either high or floating, does floating mean not connected?
[19:53] <fsphil> something pretty high, 20k maybe
[19:53] <fsphil> yep, floating is disconnected
[19:54] <fsphil> I think it only matters for the RX pin
[19:54] <fsphil> when it's floating, it might be receiving random data -- some of it could look like a command
[19:55] <MrCraig> *nods - the datasheet just sais will never produce a position fix.
[19:57] <MrCraig> thanks fsphil :-)
[19:59] <MrCraig> One more question. It appears all of my components are happy to operate around 3v, if I use a 9v cell with a 3v regulator can I expect a longer supply time?
[19:59] <MrCraig> (as opposed to a couple of AA 1.5's in series)
[20:00] <fsphil> you loose power in the regulator, as heat
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[20:02] <MrCraig> and this is probably the only application where I think that could be a good thing :) but ok I'll stick to AA's.
[20:02] <fsphil> yea the regulator in mine definitely kept things warm :)
[20:02] <fsphil> but 9v to 3v drop is pretty big
[20:02] <fsphil> that's a lot of waste
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[20:03] <MrCraig> I think the only real concern is the cells themselves right? So long as those are warm the other components should be happy (because if they're constantly getting supply they should stay cosey)
[20:04] <MrCraig> I'll stick to 3v regulated from the bench supply and pick up a 3v regulator for the final board.
[20:05] <fsphil> I had 4x AA's and a 3.3v reg
[20:06] <MrCraig> That makes sense - I was thinking along the same lines. Runing two parallel batteries of 2x1.5v cells in series.
[20:06] <MrCraig> just seems like that would be the heavier option - not that it would be heavy enough to be a concern I guesss.
[20:07] <fsphil> the voltage drop might be too much for your components
[20:07] <fsphil> as the cells drain
[20:07] <fsphil> 3v is already a bit down from 3.3v
[20:09] <MrCraig> *nods - the ntx2 is internally regulated at 2.8, the lasseniQ sheet sais between 3 and 3.3v regulated +- .3, and the pic I've seen trip off at about 2.8v. What would you recommend?
[20:10] <fsphil> so 2.8 is probably your minimum
[20:10] <MrCraig> I think running them at the same voltage - say 3.3v is the best option, because that matches the cmos levels for the coms on each with (give or take a resistor on the ntx2)
[20:11] <MrCraig> it saves me having to do any level shifting
[20:11] <fsphil> oh yea, having them all at the same voltage is a huge bonus
[20:12] <fsphil> the 3.3v vreg will have a minimum voltage too, probably about 4v
[20:12] <fsphil> so you may as well go for four cells
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[20:12] <MrCraig> that's it's drop off point right? the regulator will have a minimum slightly above it's supply to ensure stability.
[20:13] <fsphil> yea, once the supply drops below the vregs minimum, the output will start dropping too
[20:14] <fsphil> so the goal is to make sure the voltage of the batteries stays above that minimum, at least until they're nearly drained
[20:16] <MrCraig> *nods, ok I have two AA cages - so I can chain 4 of them to supply 6v and then regulate that.
[20:17] <MrCraig> I'll re-read the has wiki battery page too, perhaps there's a mobile phone cell out there somewhere that would be better suited.
[20:18] <fsphil> something with a higher voltage in a small package would be neat
[20:19] <MrCraig> yes, though I have some concerns about them sustaining
[20:20] <fsphil> yea, not many batteries like the cold
[20:20] <MrCraig> it's that darn "chemical reactions slow down without heat" rule again, huh science ehh? who needs it? :-P
[20:21] <fsphil> Zuph or Dan-K2VOL, is that blue wire in the background glowing or just reflecting the light?
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[20:21] <MrCraig> perhaps it was Dan's ethernet
[20:22] <fsphil> yar, shame it's soo cold up there
[20:22] <fsphil> lol
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[20:22] <fsphil> haha
[20:22] <MrCraig> oh dear lol
[20:23] <fsphil> and yet the video stream is still going
[20:24] <MrCraig> yeah, I'm watching. I think the cable must be glowing, it stays bright way down there out of the way of the window light
[20:24] Action: MrCraig wishes he had a workshop
[20:25] <fsphil> mmmm yea
[20:25] <fsphil> I'd like my room back
[20:25] <MrCraig> you're room?
[20:25] <MrCraig> ooh
[20:25] <MrCraig> I just got that
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[20:25] <fsphil> yea, it's been infested with electrical components :)
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[20:27] <fsphil> wb Dan-K2VOL
[20:28] <MrCraig> I'm operating out of my living room - I have a nice big book shelf that I stuck a couple of "really useful" (brand name) boxes on containing all the little pcb components. - A desk in the corner supports the tools etc.
[20:28] <fsphil> boxes are a good idea
[20:28] <fsphil> one per project or something
[20:29] <natrium42> so think inside the box, fsphil?
[20:29] <MrCraig> well I got tired of hunting through 400 or so capacitors that all look more or less the same to see if I have a 10uF in there somewhere, so the little boxes seperate everything out
[20:29] <fsphil> absolutely ;)
[20:30] <MrCraig> my living room is certainly not virgin territory for projects though, this time three weeks ago I had a 6ft by 6ft wooden frame supporting a green screen errected in here - my brother and I were doing some super imposing :)
[20:30] <fsphil> haha, my dog ran upstairs
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[21:04] <SpeedEvil> http://cgi.ebay.co.uk/250-STRONG-PLASTIC-FOOD-CONTAINERS-C650-TAKEAWAY-650ml-/380314479134?pt=UK_HomeGarden_Kitchen_FoodStorage_GL&hash=item588c826a1e
[21:04] <SpeedEvil> these are awesome
[21:04] <SpeedEvil> You can use them as freezer, 'boil in', microwave, and even electronic component containers.
[21:05] <SpeedEvil> I have ~100 in my freezer ATM.
[21:07] <MrCraig> I was talking about these things though http://www.tradesystems.co.uk/acatalog/really-useful-box.html?gclid=CNHH647Dg6cCFc0e4QodmlrXfQ - I bought second from right on that page for small components
[21:08] Action: SpeedEvil is cheap.
[21:09] <MrCraig> there's some pretty good compartmentalised boxes and they're stackable with handles that hold the lids closed - and because they're a brand you can always get more and know they'll slot into your stack somewhere
[21:09] <MrCraig> but - they're not the cheapest :)
[21:10] <MrCraig> Lidl are doing some compartmental sewing boxes too - they're still not the cheapest option but compared to tool boxes from a hardware store, about half the cost.
[21:10] Action: SpeedEvil wishes lidl delivered.
[21:10] <fsphil> cpc have a couple of wall-mounted part boxes for about £14
[21:10] <SpeedEvil> usses are annoying.
[21:11] <SpeedEvil> Also, keyoards.
[21:11] <MrCraig> I just noticed this company is in Kingston upon Thames, probably only a post-code or two away. hmm
[21:11] Action: fsphil donates SpeedEvil a few B's
[21:13] Action: MrCraig wonders how many really useful boxes the company would be willing to donate to uk hab members if one of their boxes were really usefully photographed in space lol
[21:13] <MrCraig> (was kidding too)
[21:14] <fsphil> oooh, put and SD card into each one
[21:14] <fsphil> release hundreds over some large town
[21:14] <fsphil> I bet the council would *love* that
[21:15] <MrCraig> lol - well if you donate hundreds of sd cards I'll do it.
[21:15] <SpeedEvil> Kill people when shards of frozen plastic get embedded in them after the containers implode at altitude.
[21:16] <MrCraig> what's the rule, no marketing is bad marketing?
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[21:42] <fsphil> urg it's orrible outside
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[21:43] <MrCraig> does that mean it'll be orrible here tomorrow?
[21:44] <fsphil> prolly
[21:44] <MrCraig> sounds like the perfect day to stay in and solder something
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[21:47] <fsphil> our neighbours oil burning is spewing out some really nasty smoke, smells awful
[21:48] <MrCraig> :-/
[21:51] <NigeyS> phil this board is beginning to resemble spaghetti junction :|
[21:52] <fsphil> hehe, normal enough -- try to use the tracks as much as possible though
[21:52] <Zuph> -40 cryo chamber is chilly!
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[21:55] <NigeyS> will do, had to do a resistor vertically!
[21:58] <SpeedEvil> Zuph: yeah - I had my freezer at -48C or so a few weeks back.
[21:58] <SpeedEvil> Zuph: Ow was that _much_ different to -20
[21:59] <Zuph> Holy crap, you've got a freezer that will get that low?
[21:59] <SpeedEvil> yes
[21:59] <Zuph> We had to insulate an old chest freezer and fill it with dry ice.
[21:59] <SpeedEvil> Admittedly, it was 7C in the room at the time, and the boost switch had been on for a couple of days as I was expecting a powercut
[21:59] <SpeedEvil> It took 2 days to hit -18 when I turned it off.
[22:00] <SpeedEvil> http://www.applianceplanet.co.uk/eshop/manuprod/RCNAA53P.htm
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[22:01] <SpeedEvil> -48 was extrapolated from the curve - my thermometer only goes down to -40.
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[22:04] <NigeyS> thats to dam cold! lol
[22:06] <Laurenceb_> http://www.lipoly.de/index.php?main_page=index&cPath=880_885_1818_2561
[22:06] <Laurenceb_> itg-3200 back in stock XD
[22:06] Action: Laurenceb_ drools
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[22:12] <Laurenceb_> cheaper that sparkfun too
[22:13] <SpeedEvil> Laurenceb: do they have a compatile accel?
[22:16] <Laurenceb_> http://www.lipoly.de/index.php?main_page=product_info&cPath=880_885_1818_2561&products_id=157276
[22:17] <Laurenceb_> that accel isnt bad, but ive been unable to find the full datasheet
[22:17] <Laurenceb_> unfortunately the compass is impossible to buy, inless you strip down an iphone
[22:18] <SpeedEvil> Which compass?
[22:18] <Laurenceb_> might buy sourcable through invensense if you tell them you want it for their board
[22:18] <SpeedEvil> Ah
[22:18] <SpeedEvil> Buy iphone, get accidental damage coverage.
[22:19] <MrCraig> I accidentally dropped it from the stratosphere?
[22:19] <Laurenceb_> Kionix
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[23:16] <Lunar_Lander> hello
[23:19] <fsphil> lo!
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[23:39] <NigeyS> woohoo
[23:39] <NigeyS> Temperature: 25, LightLevel: 414
[23:39] <NigeyS> works phil!
[23:40] <Lunar_Lander> cool!
[23:42] <fsphil> lol
[23:42] <fsphil> that's a more sane temperature
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[23:43] <NigeyS> yush nice n warm lol
[23:45] <Lunar_Lander> yay
[23:45] Action: Lunar_Lander drives to NigeyS as it is warm there
[23:45] <Lunar_Lander> xD
[23:45] <NigeyS> :D
[23:46] Nick change: SpeedEvil1 -> SpeedEvil
[23:46] <Lunar_Lander> and is that 414 Lux?
[23:47] <NigeyS> dunno what the value is, but 500 is very bright, 0 is pitch black, thats how i remember it..lol
[23:48] <SpeedEvil> 130000 lux is sunlight
[23:48] <Lunar_Lander> yeah
[23:49] <Lunar_Lander> 2000 Lux is about the brightness in a room with neon tubes
[23:49] <SpeedEvil> your average '100W' bulb in the ceiling might put out 200 lux below it
[23:49] <Lunar_Lander> yea
[23:50] <NigeyS> www.signaturepadstore.com/02.jpg
[23:51] <NigeyS> if anyone wants a giggle at my stripboard skills :p
[23:51] Action: NigeyS buys phil some beer for being a great help :-)
[23:51] Action: SpeedEvil wonders where his spread spectrum radio transmitter on stripboard is.
[23:51] <NigeyS> :o
[23:51] <NigeyS> sod that, was bad enough just doing this little sensor board lol
[23:52] <SpeedEvil> It wasn't that bad.
[23:52] <SpeedEvil> 2 8 bit shift registers, a xor gate, a nand gate, and an oscillator
[23:53] <NigeyS> sounds easy, but i know its not lol
[23:55] <Lunar_Lander> cool, red, orange, yellow and green wire
[23:56] <NigeyS> yeah multicoloured rox!
[23:56] <NigeyS> ran out of black cable so yellow and orange = gnd
[23:56] <Lunar_Lander> now you only need to get blue and violet :)
[23:56] <NigeyS> lol
[00:00] --- Sun Feb 13 2011