highaltitude.log.20110913

[00:01] <NigeyS> haha tnx kev
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[00:01] <Lunar_Lander> you're welcome :)
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[00:40] <NigeyS> bed time! nn all
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[00:58] <Lunar_Lander> good night!
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[05:34] <griffonbot> Received email: Peter "[UKHAS] Re: XML HoWest HAB"
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[06:07] Nick change: daveake_ -> daveake
[06:10] Nick change: SamSilver -> SamSilver_
[06:11] Nick change: SamSilver_ -> SamSilver
[06:12] <SamSilver> daveake: how are you going to join Buzz1
[06:12] <daveake> Good question
[06:12] <daveake> Glue .. Velcro ... rubber band .. nor decided
[06:12] <SamSilver> does buzz1 have any ducttape on it?
[06:12] <SamSilver> :P
[06:13] <daveake> Not yet :p
[06:13] <SamSilver> duct tape won't look good
[06:13] <daveake> Exactly
[06:13] <SamSilver> how about "sewing" it on
[06:13] <daveake> Interesting idea
[06:14] <SamSilver> take a skewer and make say 6 holes and then go aroung with braid and sew top to bottom
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[06:26] <daveake> SamSilver the top is only foam so it hasn't much strength, but I'll have a think about making that work.
[06:26] <daveake> Predictions fro the weekend have changed a lot. Looks like a wet landing :(
[06:27] <daveake> Of course there's plenty of time for it to change back again!
[06:27] <SamSilver> I see that
[06:29] <SamSilver> what about them real strong magnets (nico...... somthing or other)
[06:29] <SamSilver> small disc in shape
[06:30] <daveake> I was wondering about that. That'd work.
[06:30] <SamSilver> RC plane guys use them to keep the canopy on often
[06:30] <SamSilver> sure is neat and quick
[06:30] <daveake> The top just "sits there" - it's the bottom that hangs from the parachute/balloon
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[07:53] <m1x10> morning
[07:56] <SamSilver> hi m1x10
[07:57] <m1x10> how r u africa bambada ? :)
[07:57] <SamSilver> all good down here
[07:57] <m1x10> have you seen the movie 'Rise of the apes' ?
[07:57] <SamSilver> no
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[07:57] <m1x10> :)
[07:58] <m1x10> you should not watch it then :)
[07:58] <SamSilver> but I saw return to the planet of the apes the original
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[07:58] <SamSilver> m1x10: have you seen "snakes on a plae" ?
[07:58] <SamSilver> plane
[07:58] <m1x10> no :)
[07:59] <SamSilver> well don't
[07:59] <SamSilver> it will put you off flying even more
[07:59] <m1x10> apes get injected with some experimental liquid thing and have some human understanding and then they start taking over our planet !
[07:59] <fsphil> imagine if they did that with snakes. then put them on a plane!
[07:59] <daveake> The story of Man Utd fans
[08:00] <SamSilver> oooh would think I was having a flash back!
[08:00] <fsphil> haha
[08:00] <m1x10> SamSilver: if you have monkeys there maybe after watching the movie you will change your opinion for them
[08:00] <m1x10> :p
[08:01] <SamSilver> lol
[08:01] <SamSilver> the monkeys are a pain in the butt
[08:01] <m1x10> lool
[08:01] <SamSilver> took bread and bananas last week
[08:01] <SamSilver> had to hide the bacon and the toaster
[08:01] <SamSilver> :p
[08:02] Action: m1x10 should be giving interviews on popular greek channels right now, but instead he talks monkey lang with his mates :)
[08:02] <m1x10> loool, i love apes.
[08:02] <griffonbot> Received email: Adam Greig "Re: [UKHAS] Re: XML HoWest HAB"
[08:02] <m1x10> do they fight you or children ?
[08:03] <SamSilver> yes somtimes if kids have food they will try take it away
[08:03] <SamSilver> they bite real bad
[08:03] <m1x10> they bite?
[08:03] <m1x10> omg
[08:03] <m1x10> cant you make them friends ?
[08:03] <SamSilver> have to get rabies injections and strong anti bac
[08:04] <SamSilver> some folk have tried a friends wife lost the tip of her finger and they still kept it
[08:05] <SamSilver> but then it bit some of her ear off
[08:05] <SamSilver> the female monkey was very much in love with he husband
[08:05] <SamSilver> the husband
[08:05] <m1x10> omg
[08:06] <m1x10> i love apes more
[08:06] <m1x10> :)
[08:06] <fsphil> yikes, worst thing wildlife in my garden can do is poo
[08:06] <SamSilver> hese are "Vervet Monkeys"
[08:06] <m1x10> apes humans and dogs
[08:07] <SamSilver> I like the opne with skirts and bumps
[08:07] <SamSilver> http://en.wikipedia.org/wiki/Vervet_monkey
[08:08] <m1x10> those thing autodevelop SIV
[08:09] <m1x10> the ancestor of human immunodeficiency virus (HIV)
[08:09] <m1x10> !
[08:09] <m1x10> damn
[08:09] <SamSilver> i am more scared of them than sharks
[08:09] <SamSilver> Ohhh Sharks On A Boat!!!!
[08:10] <m1x10> :P
[08:11] <m1x10> but still they look nice: http://upload.wikimedia.org/wikipedia/commons/e/e9/Chlorocebus_pygerythrus00.jpg
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[08:25] <TimZaman> i have returned
[08:26] <costyn_> TimZaman: hello
[08:26] <SamSilver> well done
[08:26] <SamSilver> link for flight
[08:26] <TimZaman> hmm?
[08:26] <TimZaman> www.timzaman.com should get you there
[08:26] <TimZaman> mission control
[08:26] <TimZaman> but i have yet to set up everything
[08:26] <costyn_> TimZaman: did you get your GPS data converted to KML?
[08:26] <TimZaman> i have a LOT of footage and a lot of data
[08:26] <TimZaman> costyn, ye
[08:26] <TimZaman> have altitude info
[08:27] <TimZaman> huge software error, havent checked it out yet
[08:27] <TimZaman> this flight was run 100% with bash shellscripts
[08:27] <costyn_> TimZaman: give a shout if you need any help; I can whip up a Perl script if need be
[08:27] <TimZaman> which is a first, i believe
[08:27] <TimZaman> haha bit late for that :)
[08:27] <costyn_> TimZaman: :)
[08:27] <TimZaman> also i got a textmessage when it landed, with the google maps link to where it was (hacked that up)
[08:27] <TimZaman> well, it said it was in the sea
[08:28] <TimZaman> haha i accidentally added a "-1" somewhere haha
[08:28] <TimZaman> a full degree off
[08:28] <costyn_> whoops
[08:28] <TimZaman> luckily i sent the raw data too
[08:28] <TimZaman> but even if we hadn't, Eric___ could have found it just by triangulation of the signal
[08:28] <TimZaman> Also, the pins got detached from the NTX2 at touchdown
[08:28] <TimZaman> everything else worked
[08:29] <TimZaman> 1731 images, 1900 lines of telemetry/gps data
[08:29] <costyn_> nice!
[08:29] <TimZaman> ill have everything up by tonight
[08:29] <costyn_> about the NTX2, where did you buy yours?
[08:29] <TimZaman> got the whole day for writing some articles
[08:29] <TimZaman> farnell
[08:29] <costyn_> ok
[08:29] <TimZaman> you pay $5 extra but farnell is great, no shippinh.
[08:30] <TimZaman> otherwise you pay at least $10 for shipping at any other place..
[08:30] <TimZaman> *also* make sure to buy a space
[08:30] <TimZaman> spare
[08:30] <costyn_> did one break?
[08:34] <costyn_> TimZaman: did you figure out why the GPS was not sending any altitude data?
[08:36] <m1x10> TimZaman: you have really good progress. cogragulations
[08:36] <TimZaman> ty
[08:37] <TimZaman> people here helped. should be said.
[08:37] <TimZaman> luckily phil as already been through most of the premature hacking of the ssdv image stuff
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[08:39] <m1x10> yes i know
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[08:50] <TimZaman> uploading a movie of the payload & flightcomputer in 3d now...
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[08:56] <TimZaman> youtube is sick. i can just upload a 5 minute 1Gb video, haha
[09:00] <TimZaman> oh yeah. do i have a record *as an amateur* now on sending (1) the highest live from the skies (2) sending the largest image from the stratosphere
[09:01] <costyn_> TimZaman: congrats!
[09:01] <TimZaman> highest telemetry string (from backuppayload with raw backing up data) $$PD4TA,1897,12:25:59,52.6777,+5.5031,35748,9,26,4183*C699
[09:01] <TimZaman> 35748 m
[09:01] <TimZaman> 1600g hwoyee
[09:01] <TimZaman> costyn who are you btw
[09:01] <fsphil> TimZaman, largest and fastest :)
[09:01] <TimZaman> fastest?
[09:01] <TimZaman> ah 1200baud!
[09:02] <TimZaman> =D
[09:02] <fsphil> I've only done 300 baud
[09:02] <TimZaman> hahah the guy i was with he instantly recognized your skills
[09:02] <costyn_> TimZaman: just a new guy :) some friends and I want to launch our own balloon in the future; so I'm lurking here and trying to learn as much as I can; I'm a fellow dutchman btw
[09:02] <TimZaman> 1200baud didnt work
[09:02] <TimZaman> you said "tune to 1500 exactly"
[09:02] <TimZaman> i did
[09:02] <TimZaman> it worked instantly
[09:03] <TimZaman> because i really tried a lot of stuff (other than keeping it exactly centered). i tried manual tuning, AFC off.. some other stuff
[09:03] <TimZaman> costyn_: ah good. have we spoken?
[09:03] <costyn_> TimZaman: not other than here on IRC
[09:03] <TimZaman> okay
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[09:03] <TimZaman> because i know most dutch people who want to do this, they usually ask me some stuff
[09:03] <TimZaman> in my experience, 95% is saying they are going to do it, and 5% does it
[09:04] <TimZaman> well.. 5%.. okay so no-one yet but me :)
[09:04] <NigeyS> oh what a lovely morning, minus the missing roof tiles :|
[09:04] <TimZaman> *Morning has brooo-keen*
[09:04] <TimZaman> ;)
[09:04] <costyn_> TimZaman: :) well we'll see how it goes :)
[09:04] <TimZaman> costyn_: well its a lot of fun, even if you dont launch
[09:04] <TimZaman> but thats the big finale
[09:05] <TimZaman> especially this launch, 1200 baud, images ranting over
[09:05] <TimZaman> very exciting
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[09:05] <costyn_> TimZaman: I'm sure... we have a *lot* to do but there's lots of info on the web, so we can use what worked for other people
[09:05] <costyn_> TimZaman: yes, the live images were awesome
[09:05] <TimZaman> costyn_: yep, you can make it as difficult as you want
[09:05] <TimZaman> you can make it *no radio* super simple, or you can make it *images & cutdown & autopilot* massively complex
[09:06] <NigeyS> lol TimZaman broken big time!
[09:06] <TimZaman> Oh yeah, i was going to say, the cutdown worked!!!!!!!
[09:06] <daveake> :)
[09:06] <TimZaman> it never got to the 52.7 limit!!! hahaha
[09:06] <daveake> What did you use?
[09:06] <costyn_> we'd like live telemetry, but no live images :)
[09:06] <TimZaman> hotwire
[09:06] <TimZaman> hahaha this was the furthest north $$PD4TA,1775,12:18:46,52.6844,+5.4249,33114,9,24,4183*8600
[09:07] <TimZaman> so that is 52.6844 .. cutdown was at 52.7000
[09:07] <costyn_> so close
[09:07] <TimZaman> so what happened.. it cut down when it burst and dropped 1000m
[09:07] <daveake> Same logic as mine then
[09:07] <TimZaman> what happened then: the relais sucked up the power rendering the telemetry ineffective (all this was in the backup payload with no radio or imagery)
[09:07] <TimZaman> then, it cut down the wire..
[09:07] <costyn_> what was the descent rate btw? fsphil and I thought it got to the clouds pretty quickly?
[09:08] <TimZaman> but there was only 50g opf balloon left, so no force to pull out the wire
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[09:08] <TimZaman> yeah pretty fast
[09:08] <costyn_> TimZaman: interesting
[09:08] <TimZaman> i know touchdown though
[09:08] <TimZaman> this was burst (UTC time) $$PD4TA,1897,12:25:59,52.6777,+5.5031,35748,9,26,4183*C699
[09:08] <TimZaman> and touchdown,... let me see
[09:09] <TimZaman> $$PD4TA,579,14:56:36,52.9530,5.8868,2,4,,0*7489 (<<< this is UTC+2)
[09:09] <TimZaman> that makes 21 minutes.. 36km
[09:09] <costyn_> 100km/h
[09:10] <costyn_> pretty fast
[09:10] <TimZaman> yep
[09:10] <TimZaman> thats an average though
[09:10] <TimZaman> its probably 150km/h at the start (as it was last time)
[09:10] <TimZaman> then at the end probably 30 or so
[09:10] <costyn_> ah yea ok
[09:10] <TimZaman> i mean, the payload was practicaly untouched.. nothing ripped..
[09:10] <TimZaman> except the backup payload, that had ZERO protection of the elements
[09:10] <TimZaman> but ill show pictures later.
[09:11] <TimZaman> going back on it
[09:11] <TimZaman> :)
[09:11] <costyn_> kewl
[09:19] <NigeyS> mmm coffeeeee
[09:22] <Darkside> morning UK people
[09:22] <Darkside> how goes it
[09:23] <NigeyS> hey hey mr Darkside
[09:23] <NigeyS> cold, wet, windy..
[09:23] <number10_> sunny and windy
[09:23] <NigeyS> pff
[09:23] <TimZaman> momrnin
[09:23] Nick change: number10_ -> number10
[09:23] Action: NigeyS no like hurricanes :(
[09:23] <TimZaman> cloudy in NL
[09:24] <NigeyS> yey for this phpbb database being 2gig in size :@
[09:24] <number10> did you get hit bad NigeyS
[09:24] <NigeyS> number10, not much damage but its pretty rough out, north england seem to have had it alot worse
[09:25] <number10> fsphill said it wasnt so bad over the water
[09:25] <GW8RAK> Up here in North Wales, it was windy, but certainly not exceptional
[09:26] <NigeyS> think we've been fairly lucky tbh
[09:26] <number10> were abouts in N.Wales are you GW8RAK?
[09:26] <GW8RAK> On top of the hill above Holywell, north east
[09:27] <GW8RAK> Very exposed, but a great area for radio
[09:28] <number10> I bet - and also some good walking not far away
[09:28] <GW8RAK> And a lovely day today as well. Clear blue skies
[09:29] Action: NigeyS watches the rain belting the window and scorns at GW8RAK :p
[09:30] <GW8RAK> 2000 acres of common land right outside the front door and hills to 550m within 10 miles
[09:30] <TimZaman> Whooooh place #28 on the arhab altitude records!
[09:30] <TimZaman> 28 117 283.465 ft NaN m 11Sep11 TU Delft Space Camera Live 1
[09:30] <number10> move north NigeyS
[09:30] <NigeyS> noooooo to cold lol
[09:30] <GW8RAK> Don't bother number10, NigeyS is always complaining about the rain down south
[09:30] <GW8RAK> :)
[09:30] <NigeyS> :p
[09:30] <number10> lol
[09:30] <GW8RAK> But he's right. It's much colder up here.
[09:31] <number10> I used to spend quite a few weekends going to Snowdonia - have not been for a while
[09:31] <number10> I would love to live oposite Tryfan
[09:32] <GW8RAK> used to be out there every weekend until my knees went.
[09:32] <GW8RAK> Haven't been up Tryfan in about 15 years
[09:32] <number10> yes, the knees - just happened to the wide - she had op, and my knees are going
[09:32] <GW8RAK> I trust that is a typo
[09:33] <number10> yes the missus
[09:33] <number10> she blames me for taking her up Tryfan
[09:33] <GW8RAK> Mine aren't anywhere near an op, but I tend to cycle now
[09:34] <number10> yes, I think that is better for the knees
[09:34] <GW8RAK> This is getting just like 80m in the morning. People discussing their ailments :)
[09:34] <number10> lol
[09:34] <GW8RAK> Has anyone else got any good diseases they'd like to share with the group?
[09:35] <number10> Someone here mentioned 80m - I had to have the joke explained
[09:35] <GW8RAK> We promise not to take the piss.
[09:35] <number10> lol
[09:35] <GW8RAK> 80m is where all the old 'uns meet in the morning when the people who pay for their pensions are at work.
[09:37] <number10> any reason why they chose 80m
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[09:38] <GW8RAK> Good propogation around the UK in daylight hours.
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[09:39] <GW8RAK> 160m is too noisy when they sun is up and on 40m the skip distance may be outside the UK.
[09:39] <GW8RAK> i.e. the close in area before the signal has bounced back down to earth.
[09:40] <GW8RAK> 5MHz frequencies are even better around the UK during daylight. Generally very quiet and reliable.
[09:41] <GW8RAK> http://www.ips.gov.au/Images/HF%20Systems/Global%20HF/LAMP%20Charts/LAMP_London_UK_Cadets.gif is a good example of it today
[09:44] <number10> I should really read up on this - there are enough amateurs here
[09:45] <GW8RAK> The subject is very complicated, but fortunately, the guidelines are pretty simple
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[09:46] <number10> I could see me getting interested if I had the time
[09:48] <number10> I was trying to find someone transmitting in a digital mode other than TRY that I could try and decode using fldigi
[09:49] <GW8RAK> What receiver have you got?
[09:49] <number10> AOR 8200 but at work so putting a large antenna up may get people interested
[09:51] <GW8RAK> Tune to 14.070Mhz and you'll hear lots of PSK31. 5m of wire should be sufficient.
[09:51] <GW8RAK> Also around 7.030 to 7.040 you'll hear some.
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[09:53] <GW8RAK> Or on 144.800 you'll hear lots of APRS signals, download UI-View or similar and you'll decode them
[09:53] <number10> I'll pop to stores and get some wire
[09:54] <Hibby> AGWTracker is a much nicer program for windows :)
[09:54] <number10> ok thanks GW8RAK
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[09:54] Nick change: spacekitteh -> sofii-chan
[09:55] <GW8RAK> Haven't tried that one Hibby, but UI-View is getting a bit old now.
[09:56] <number10> i'll check it out Hibby
[09:57] <Hibby> GW8RAK: it even lets you use any maps of your choice - bing/google/mapquest/osm :)
[09:57] <Hibby> it follows the office 2007 layout. Does the job pretty well
[10:01] Nick change: m1x10 -> nosebleed
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[10:08] <GW8RAK> I was aware of it, but the map support would be very useful, particularly for small area ops
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[10:09] <Hibby> yeah
[10:09] <Hibby> I use it in the satellite station for aprs stuff
[10:09] <GW8RAK> Particularly if it works with Bing 1:25000 maps
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[10:14] Nick change: GW8RAK_ -> GW8RAK
[10:17] Nick change: nosebleed -> nosebleed_KT
[10:17] Nick change: nosebleed_KT -> nosebleed-KT
[10:17] Nick change: nosebleed-KT -> nosebleedKT
[10:22] <nosebleedKT> lol, my capsule is on the media !
[10:23] Action: nosebleedKT tries to register his new nickname on freenode
[10:23] Nick change: nosebleedKT -> nosebl33d
[10:23] Nick change: nosebl33d -> nosebleed^KT
[10:25] Nick change: nosebleed^KT -> n0sebleed
[10:25] Nick change: n0sebleed -> nosebleed
[10:27] Nick change: nosebleed -> nosebleed^
[10:27] Nick change: nosebleed^ -> nosebleed
[10:27] Nick change: nosebleed -> nosebleed^
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[10:28] Nick change: nosebleed^ -> nosebleed_
[10:33] Nick change: nosebleed_ -> n0sebleed
[10:34] Nick change: n0sebleed -> n0sebl33d
[10:35] Nick change: n0sebl33d -> nosebleedKT
[11:12] <Randomskk> uhm
[11:12] <Randomskk> are you okay there
[11:14] <nosebleedKT> hi Randomskk
[11:19] <NigeyS> lol
[11:19] <NigeyS> \o/ parrrrrrrrty time
[11:20] <Randomskk> let's please not have a nick changing party >_>
[11:20] <NigeyS> lol noooooo musical party time :D
[11:20] Action: NigeyS bops
[11:20] <Randomskk> could be fun at the conference :P
[11:20] <number10> you are obviously not at work NigeyS
[11:20] <NigeyS> nothing like a bit of paul van dyk while im waiting for a 2gig mysql db to import
[11:21] <NigeyS> Randomskk, i can bring my decks? ;)
[11:21] <NigeyS> number10, i work from home, server admin
[11:21] <number10> well thats cool
[11:21] <Randomskk> hehe
[11:22] <NigeyS> Randomskk, a phpbb install on a clients site, 90% is spam posts! yet they still want it migrated .......
[11:23] <Randomskk> :|
[11:23] <Randomskk> setup captcha for them
[11:23] <NigeyS> meh extra effort, thats a devs job :p
[11:25] <Randomskk> heh
[11:30] <NigeyS> http://schoolswillrockyou.com/board/index.php
[11:30] <NigeyS> spammage!
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[12:08] <Lunar_Lander> hello
[12:09] <nosebleedKT> hi
[12:09] <nosebleedKT> its me mixio :)
[12:09] <nosebleedKT> testing my new nick
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[12:18] Nick change: GW8RAK_ -> GW8RAK
[12:22] <Darkside> hmm
[12:22] <Darkside> can someone get the HORUS signature up for dl-fldigi and habitat?
[12:22] <Darkside> at the moment i can't select horus
[12:23] <Randomskk> oh right, you wanted me to do that
[12:23] <Randomskk> but you didn't say if it was the same as darkside?
[12:23] <Darkside> i'm uloading data now i think
[12:23] <Darkside> take a look
[12:24] <Randomskk> at work - copying a flight doc I can do, writing one based at looking at some incoming telem numbers not so much
[12:24] <nosebleedKT> I guess this is going to be my new nick
[12:24] <Darkside> Randomskk: i'm not sure if its the same as DARKSIDE
[12:24] <Darkside> i think it has one less field
[12:26] <Randomskk> which? isn't it your payload? >_>
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[12:26] <Randomskk> darkside has count, time, lat, lng, alt, speed, sats, temp_int, temp_int2, bat_Raw
[12:26] <Darkside> Randomskk: yeah, but i don't remember if you removed the batt voltage field
[12:26] <Darkside> yeah ok
[12:26] <Darkside> same but without batt_raw
[12:26] <Randomskk> okay
[12:26] <Randomskk> doing
[12:26] <Darkside> and a callsign of HORUS
[12:27] <Darkside> thats the same as the normal HORUS payloads anyway
[12:27] <Darkside> and we need that in the database
[12:28] <Randomskk> 300 baud, 7n1, shift 425?
[12:29] <Darkside> yep
[12:29] <Randomskk> done
[12:29] <Darkside> cool
[12:30] <Randomskk> should work, lemme know
[12:30] <Darkside> doesnt appear on the list when i refresh
[12:30] <Randomskk> list is cached, give it a couple of mins
[12:30] <Darkside> oh ok
[12:32] <Randomskk> uploading should work and go to the tracker though
[12:33] <Darkside> Randomskk: its showing up as internal temperature
[12:33] <Randomskk> yes, that's what I said
[12:33] <Darkside> not external
[12:33] <Randomskk> temp_int, temp_int2
[12:33] <Darkside> ohhhh
[12:33] <Darkside> whoops
[12:33] <Darkside> it should be temp_int, temp_ext
[12:33] <Darkside> my bad
[12:33] <Randomskk> okay
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[12:34] <Randomskk> updated
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[13:02] <Laurenceb_> Randomskk: do you have a copy of that circuit you came up with for running stm32 bootloader mode off a signle pin?
[13:02] <Laurenceb_> using CTS pin or whatever?
[13:02] <Randomskk> ooh
[13:02] <Randomskk> that one
[13:02] <Randomskk> wait
[13:02] <Randomskk> did it also control BOOT0?
[13:02] <Randomskk> because if so then I'm not sure where it is
[13:02] <Randomskk> also I'm at work atm so don't have any schematics
[13:02] <Randomskk> I can't remember, did I actually come up with a working schematic?
[13:03] <Randomskk> I think I did
[13:03] <Randomskk> that was cool
[13:03] <Randomskk> never implemented it though
[13:03] <Laurenceb_> i see
[13:03] <Laurenceb_> maybe i can work it out :P
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[13:06] <Randomskk> I think it basically involved a transistor to pull BOOT0 to the correct level
[13:06] <Randomskk> that had its base/gate connected to DTR
[13:06] <Randomskk> and then DTR also went through a capacitor to RESET which was pulled high
[13:06] <Randomskk> it's DTR, not CTS, though
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[13:10] <Laurenceb_> i think it can be done with resistors and caps
[13:11] Action: Laurenceb_ has been playing with NVIC priority groups
[13:11] <Laurenceb_> stm32 is very awesome
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[13:13] <Laurenceb_> you can have conditional interrupt nesting
[13:13] <Laurenceb_> solves all the issues of infinite nesting
[13:14] <Laurenceb_> i like the way push/pop is microcoded
[13:18] <Randomskk> it's very neat
[13:18] <Darkside> fuuuu the vaisala radiosondes pressure sensor is custom
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[13:19] <Darkside> will be too hard to reverse engineer it hink
[13:22] <Laurenceb_> heh mine is a metal tin with a capacitance convertor
[13:22] <Laurenceb_> http://www.youtube.com/watch?v=BXp1g7IeJy0
[13:23] Action: Laurenceb_ turns up the volume
[13:23] <Darkside> >_>
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[14:07] <costyn_> /ignore -channels #highaltitude * JOINS PARTS QUITS NICKS
[14:07] <costyn_> crap sorry
[14:07] <fsphil> could've been worse :)
[14:07] <Zuph> /ignore fsphil :-p
[14:08] <costyn_> heh
[14:08] <fsphil> standard practice surely Zuph ? :)
[14:08] <costyn_> fsphil: he can't hear you
[14:08] <costyn_> :P
[14:08] <fsphil> find, I'll go start my own #highaltitude ... with balloons and strippers. infact, forget the balloons
[14:09] <mattltm> Yay!
[14:09] <costyn_> fsphil: Bender quote FTW
[14:09] <fsphil> He's my inspiration in life lol
[14:10] <costyn_> new season has good some good episodes, although somehow they're not as good as the ones from the first 4 seasons
[14:10] <fsphil> not seen them yet, don't think they've aired in the uk yet
[14:11] <costyn_> fsphil: I doubt they'll ever be aired here; I download them
[14:11] <mattltm> Wow! an 817 just went on ebay for £285!
[14:13] <fsphil> yoikes
[14:13] <fsphil> I bet that seller is gutted :)
[14:13] <SpeedEvil> Congrats.
[14:13] <mattltm> I would be!
[14:13] Action: SpeedEvil gets his brick ready to ship.
[14:13] <NigeyS> lol
[14:14] <SpeedEvil> I have actually just returned an item to a seller in a 30cm*30cm*20cm box.
[14:14] <SpeedEvil> It came in a 1.8m*10cm*10cm bubblewrap.
[14:14] <SpeedEvil> And did not survive
[14:14] <NigeyS> :o
[14:15] <SpeedEvil> Who the fuck ships a 1.8m glass tube with the sole packaging being 3 layers of bubblewrap (the small bubble sort) and packing tape.
[14:15] Action: SpeedEvil sighs.
[14:15] <mattltm> a retard, thats who.
[14:16] Nick change: number10_ -> number10
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[14:25] <NigeyS> mattltm, you ever put a mail.php on the end of apachebench? ;)
[14:26] <mattltm> nope.
[14:26] <NigeyS> haha instant mailbomb
[14:26] <mattltm> nice
[14:26] <NigeyS> what's ya email address again? :P
[14:27] <mattltm> lol. I could give you a string of council addresses to bomb!
[14:27] <NigeyS> haha 95000 emails enough?
[14:27] <mattltm> lol. that would bring down their entire system!
[14:27] <NigeyS> yey! lol
[14:28] <NigeyS> although im sure sendmail would have some kind of spaz attack after the first few thousand
[14:28] <mattltm> most likley
[14:29] <NigeyS> meh, back to the mundane benchmarking then :(
[14:30] <costyn_> NigeyS: debugging Tomcat timezones is also fun fun fun
[14:30] <NigeyS> oh god, i couldnt!
[14:30] <NigeyS> this is bad enough
[14:30] <NigeyS> apr_socket_recv: Connection reset by peer (104)
[14:30] <NigeyS> Total of 66978 requests completed
[14:30] <NigeyS> meh
[14:33] <Darkside> woot
[14:33] <Darkside> i have a CM2 processor board
[14:33] <NigeyS> git!
[14:33] <NigeyS> :D
[14:33] <Darkside> it has 32 16-core processors on it
[14:33] <Darkside> and 16 floating point units
[14:33] <Darkside> and its fucking huge
[14:34] <Darkside> will see if i can get a pic...
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[14:40] <Laurenceb_> http://www.paulos.net/other/cm2.html
[14:40] <Laurenceb_> that?
[14:42] <Darkside> yes
[14:42] <Darkside> i have a matrix board from my uni's old CM2
[14:42] <Darkside> and i can probably get more
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[14:46] <Darkside> http://rfhead.net/gallery/2011-09-14_CM2_Matrix_Board/CM2_1.JPG
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[14:48] <daveake> What's that, Darkside? MacroNut?
[14:48] <Darkside> lol
[14:48] <Darkside> its a processor board from a CM2
[14:48] <costyn_> Darkside: any plans for it?
[14:49] <Darkside> i'd like to get the LEDs on the side working
[14:49] <Darkside> if i can get a few more, i'll display them and have the LEDs doing something interesting
[14:51] <Laurenceb_> whats the clock speed?
[14:51] <Darkside> http://rfhead.net/gallery/2011-09-14_CM2_Matrix_Board/CM2_2.JPG
[14:51] <Darkside> 8MHz
[14:51] <Laurenceb_> ok
[14:51] <Darkside> but there were 65535 1-bit processors
[14:52] <Laurenceb_> wow that looks impressure
[14:52] <Laurenceb_> 1 bit?
[14:52] <Darkside> i think so
[14:52] <Laurenceb_> intriguing
[14:52] <Darkside> yeah
[14:52] <Darkside> they were arranged in a hypercube
[14:52] <daveake> Predictions for the weekend have changed somewhat, and not for the better. With a bit of a float I could reach Le Havre!
[14:52] <Darkside> the board is REALLY heavy by the way
[14:52] <Darkside> its about 3mm thick and i think theres about 6 layers on it
[14:52] <Darkside> maybe more
[14:53] <costyn_> pretty cool
[14:54] <Laurenceb_> is that discrete logic round the sides?
[14:55] <Darkside> yep
[14:55] <Darkside> you can read off the chip numbers in that pic
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[14:56] <daveake> How many amps does that thing suck?
[14:56] <Darkside> no idea
[14:57] <Darkside> apparently it ran off 3 phase
[14:57] <daveake> lots
[14:57] <daveake> very lots then
[14:57] <Darkside> yeah
[15:06] <SamSilver> http://www.youtube.com/watch?v=3wZW7_4p98k&feature=related balloon launch west england
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[15:11] <daveake> lol
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[15:34] <mattltm> wow. Nice storm.... http://www.youtube.com/watch?v=KzGk_NXlobQ
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[15:52] <SamSilver> wow would to have seen more
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[16:48] <daveake> fsphil: and idea for a talk you could do at the conf- "Shagi Techniques". It'd be a winner :)
[16:48] <daveake> an*
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[17:15] <fsphil> daveake, and make one in real time. could take up two talks
[17:25] <daveake> lol
[17:26] <daveake> I'm about to solder wires to the braid. I have no patience!
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[17:30] <number10> that would send everyone to sleep
[17:48] <daveake> Looks like everyone here is already asleep at the mere mention of it. ..
[17:49] <number10> are you going for it at the weekend dave, or monotoring the weather
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[17:52] <daveake> Looking doubful
[17:52] <daveake> Or some word vaguely looking like "doubful" :)
[17:53] <daveake> Prediction has changed quite a bit since yesterday. I'll keep checking and maybe it'll change back by the weekend.
[17:56] <number10> I think it will be variable until w/e
[17:57] <daveake> Yep.
[17:58] <daveake> I have a choice of 2 payloads, and 2 balloon sizes, so I do have bit of control over the flight but currently nowhere near enough to prevent a wet landing!
[17:58] <daveake> And I don't want to have to drive to France to retrieve it ...
[17:59] <number10> you should try land in rendlesham
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[18:18] <TimZaman> oh hi all
[18:27] <fsphil> evening!
[18:30] <TimZaman> evenin
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[18:33] <fsphil-laptop> three irc clients overkill? :)
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[18:41] <jcoxon> evening all
[18:41] <fsphil-laptop> hiya jcoxon
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[18:54] <jcoxon> hey fsphil-laptop
[18:55] <jcoxon> time to make a solar/lipo charger circuit
[18:56] <Zuph> jcoxon: Share that when you're done.
[18:56] <Zuph> It pertains to some of our superpressure dreams :-p
[18:56] <jcoxon> Zuph, well
[18:56] <jcoxon> i've got a planned payload that has a mass of 25g
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[18:57] Action: SpeedEvil keeps meaning to make a solar/Pb charging circuit.
[18:57] <Zuph> Teeny!
[18:57] Nick change: jim -> Guest19812
[18:57] <SpeedEvil> (first I need to assemble my panels from cells)
[18:57] <Guest19812> hi
[18:58] <SpeedEvil> Then - the high altitude content - put them on the roof.
[18:58] <jcoxon> Zuph, which means it can easily be lifted by a 92cm foil balloon
[18:58] <Guest19812> hello
[18:58] <jcoxon> hi Guest19812
[18:59] <Zuph> jcoxon: :) How's it going to be tracked?
[18:59] <Guest19812> can anyone give any info on how to upload data from fldigi to spacenear.us
[18:59] <jcoxon> Zuph, well its got a fsa03 ublox GPS, arduino mini pro and a RF22 radio
[19:00] <jcoxon> which can do 10mW and even up to 50mW at 434
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[19:00] <Zuph> Wow, all inside 25g.
[19:00] <jcoxon> and i've managed to get it to do hellschreiber and CW for comms
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[19:00] <jcoxon> for power its a small solar panel + max1555 + 130mAh lipo
[19:01] <jcoxon> Guest19812, for a balloon payload?
[19:02] <Guest19812> yes sorry, for a balloon payload to be tracked
[19:02] <jcoxon> okay well you'll need dl-fldigi
[19:03] <Guest19812> yep right
[19:03] <jcoxon> and produce a flight document which goes on the server
[19:03] <jcoxon> this details how the telemetery is formated so it can be interpreted
[19:03] <jcoxon> once thats in place you can get uploading
[19:03] <Randomskk> Guest19812: http://habhub.org/genpayload
[19:03] <Guest19812> so before the baloon is launched, upload some sample data?
[19:03] <Randomskk> definitely test it all the way through before launch
[19:04] <Randomskk> but fill out the form on that link
[19:04] <Randomskk> and put the resulting text on something like pastebin.com or pastie.org
[19:04] <jcoxon> Zuph, i'm thinking with the solar panel it'll last all day
[19:04] <Randomskk> then say so here and I'll put it on the server, at which point your payload becomes selectable in dl-fldigi and the server will parse its data
[19:04] <Guest19812> how do you upload the flight document to spacenear.us?
[19:05] <Randomskk> ^
[19:05] <Zuph> jcoxon: Very nice. Chance of an overnighter? :-p
[19:05] <jcoxon> well
[19:06] <Randomskk> spacenear.us is just a display interface, habhub.org does the parsing, but if you paste the flight document to pastebin.com and tell someone here it will be uploaded
[19:06] <jcoxon> i'm thinking that 1 balloon makes it a lot easier to get float
[19:06] <Randomskk> (it's not self-service yet)
[19:06] <jcoxon> Zuph, the hard bit will be aggressive power saving
[19:07] <Guest19812> ok thats great so first fill out the form on habhub.org?
[19:07] <Randomskk> yup
[19:07] <jcoxon> Guest19812, you planning a flight then?
[19:07] <Randomskk> should be straightforward, note that the text at the top changes as you move through the sections
[19:07] <Randomskk> and contains helpful hints!
[19:08] <Guest19812> yes, sure thing!. We are in the finishing stages of launching in my school!
[19:08] <Dan-K2VOL> jcoxon I would take a look at the documents tagged with 'stretch' in the superpressure group
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[19:09] <Randomskk> Guest19812: cool :) give me a shout if you get stuck on anything
[19:10] <jcoxon> Dan-K2VOL, will do in an hour
[19:10] <Guest19812> thank you very much, will get back to you as things move on!
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[19:11] <sbasuita> evening guys
[19:11] <sbasuita> how hard is the maths behind the burst calculator?
[19:12] <SpeedEvil> Not very
[19:13] <SpeedEvil> It uses an atmospheric model I think to work out the pressure/altitude profile
[19:13] <jcoxon> Dan-K2VOL, once i've read it i'll get in touch
[19:13] <SpeedEvil> and then you simply work out how much it takes till a given volume of ass expands enough to reach the burst diameter.
[19:14] <Dan-K2VOL> cool jcoxon
[19:14] <sbasuita> SpeedEvil: then take that volume of gas and figure out its buoyancy at sea level to give a target neck lift?
[19:14] <Dan-K2VOL> speedevil, I do not think he wants to be involved in bursting arses
[19:14] <sbasuita> haha
[19:14] <SpeedEvil> http://en.wikipedia.org/wiki/U.S._Standard_Atmosphere
[19:15] <sbasuita> Dan-K2VOL: you're doing a talk on this at the convention right?
[19:15] <Randomskk> sbasuita: you can view source
[19:15] <SpeedEvil> sbasuita: Something like that
[19:15] <Randomskk> the most complicated bit is solving a cubic
[19:15] <sbasuita> good, so i can write that i know this in my uni application and learn it before the interview :)
[19:15] <Randomskk> hah
[19:15] <Randomskk> where're you applying?
[19:15] <sbasuita> Randomskk: cam natsci, where else :D
[19:15] <Randomskk> all things considered you should probably be able to derive it from first principles then ;P
[19:15] <sbasuita> Randomskk: yes
[19:16] <Randomskk> a very similar question was on an examples question in my first term actually
[19:16] <Randomskk> which was fun
[19:16] <Randomskk> similar but easier >.>
[19:16] <Randomskk> that's cool though, what college?
[19:16] <sbasuita> Randomskk: pembroke
[19:16] <Dan-K2VOL> sbasuita yes, superpressure calculation
[19:16] <Randomskk> nice nice
[19:16] <Randomskk> pembroke have the best food, I'm jealous already
[19:16] <SpeedEvil> Superpressure would be good to add.
[19:16] <Upu> evening
[19:17] <Randomskk> sbasuita: also you're pretty close to the natsci dept and not in the middle enough for all the tourists! not a bad choice at all
[19:17] <sbasuita> i'm guessing if i make a specific point about calculating neck lift / target altitude etc, they will pick up on it and i can impress them at interview
[19:17] <Randomskk> well "natsci dept"
[19:17] <Randomskk> probably
[19:17] <Randomskk> definitely big up all the hab stuff
[19:17] <Randomskk> and whatever else you've done. nuffield at RAL?
[19:17] <sbasuita> Randomskk: yeah, diamond light source
[19:17] <Randomskk> that's like super hot on a personal statement
[19:18] <SpeedEvil> Ebay is annoying.
[19:18] <Randomskk> your interviewer probably wishes he worked there or something
[19:18] <SpeedEvil> There is _lots_ of 'lab diamond' on there.
[19:18] <sbasuita> Randomskk: i've got a paid internship there lined up for next summer ;)
[19:18] <Randomskk> hehe good job
[19:18] <SpeedEvil> And it's 'all' 'two scientists in russia' or ... ZrO2
[19:18] <Randomskk> what were you doing? I hear it's a hell of a commute or something
[19:18] <SpeedEvil> Finding real lab is hard.
[19:19] <SpeedEvil> Alas I later found it's also silly expensive - so meh
[19:19] Action: Randomskk ended up working at the university of surrey after his nuffield there, which was the best work, it involved playing with remote control cars for almost the same pay as my current, much harder, day job
[19:19] <sbasuita> Randomskk: yeah, commute was 2 trains and a bus
[19:19] <Randomskk> SpeedEvil: why are you looking for lab diamond?
[19:19] <Randomskk> sbasuita: hah, mine was too until I got to use a car, tons better
[19:19] <sbasuita> Randomskk: i wrote some software to model a type of deformable mirror
[19:19] <sbasuita> then did some analysis, tests
[19:20] <Randomskk> sounds fun. out of interest, what language? your choice or theirs?
[19:20] <sbasuita> i think my supervisors actually found my results useful
[19:20] <Randomskk> that's always nice
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[19:20] <sbasuita> Randomskk: matlab, their choice
[19:20] <Randomskk> :(
[19:20] <SpeedEvil> Randomskk: I was wondering about it as a heat spreader.
[19:20] <sbasuita> Randomskk: oh the project was their choice, but i chose matlab
[19:20] <Randomskk> oh
[19:20] <Randomskk> D:
[19:21] <SpeedEvil> I have my lump of sapphire I should use.
[19:21] <sbasuita> Randomskk: mainly because i had to use their computers, and heard the it department was a pain and didn't like the existing interns
[19:22] <sbasuita> Randomskk: btw, how's your bitcoin doing?
[19:23] <Randomskk> sold out at $20
[19:23] <sbasuita> bravo
[19:23] <Randomskk> made a tiny net profit
[19:23] <sbasuita> Randomskk: why only tiny? i thought it was pure profit since you were stealing electricity
[19:23] <Randomskk> oh I made pure profit on the ones I generated through electricity
[19:23] <Randomskk> but I didn't generate enough to make more than like £15 on the free ones
[19:26] <sbasuita> ascent rate vs max altitude was a compromise iirc?
[19:27] <Randomskk> each fixes the other, if all else is constant
[19:27] <Randomskk> specifying both overconstrains the problem
[19:27] <Randomskk> though note that specifying burst altitude means solving 'backwards' for ascent rate, while ascent rate is earlier in the calculation
[19:27] <Randomskk> hence the annoying solving a cubic in the JS
[19:28] <sbasuita> Randomskk: i hope these equations are written somewhere in latex rather than js
[19:28] <Randomskk> ha ha ha
[19:28] <Randomskk> actually maybe
[19:28] <Randomskk> hang on
[19:29] <Randomskk> pretty sure I did actually do that but apparently it's not in the git repo
[19:29] <Randomskk> https://github.com/adamgreig/cusf-burst-calc/raw/master/new_flow.png is there though
[19:29] <Randomskk> not that it's very useful, hah
[19:29] <jcoxon> ow - soldering iron burn
[19:29] <Randomskk> to be fair the javascript is at least easier than reverse engineering an excel spreadsheet with formulas in various cells
[19:30] <Randomskk> but like I said, derive it :P
[19:30] <daveake> ow
[19:30] <daveake> I trod on one once, whilst barefoot
[19:30] <Randomskk> D:!
[19:30] <Randomskk> oh boy.
[19:30] <Randomskk> I bet that was fun
[19:30] <sbasuita> Randomskk: yeah, i'll have a crack at first principles sometime. will be good practive
[19:30] <sbasuita> practice*
[19:30] <daveake> The burn was the exact shape of the bit, including the gap down the middle
[19:31] <Randomskk> sbasuita: it's basically simple though - archimede's principle gives an upthrust force (you can also derive this from first principles)
[19:31] <daveake> The forthcoming blister was a bitch
[19:31] <sbasuita> Randomskk: yeah, the underwater cylinder?
[19:31] <Randomskk> which relates the displaced volume of air vs the mass of the helium, balloon, payload
[19:31] <Randomskk> sbasuita: indeed (or cube)
[19:31] <sbasuita> (regular prism)
[19:32] <Randomskk> ideal gas laws give expansion of gas, so given the standard atmospheric density vs altitude you can work out the required volume the known mass of helium is at
[19:32] <Randomskk> and from that the diameter of the balloon
[19:32] <Randomskk> given just that, the balloon keeps getting bigger and keeps ascending and the atmospheric density keeps decreasing
[19:32] <Randomskk> once the balloon diameter reaches a critical value it bursts
[19:35] <Randomskk> sbasuita: I found this in the commit history
[19:35] <Randomskk> https://github.com/adamgreig/cusf-burst-calc/blob/55912f72a98967cb36cdb650009841e2555183ed/calcs_latex/launch_diameter_from_ascent_rate.tex
[19:35] <Randomskk> with the caveat that it's apparently "slightly wrong anyway (ignores a factor of g for gross lift)"
[19:35] <Randomskk> also it gets to a point and goes "yuck! a cubic!" and gives up there
[19:35] <Randomskk> so yea
[19:36] <SpeedEvil> I was really amused to find a _huge_ long presentation, with CFD and everything.
[19:36] <SpeedEvil> And they came to the conclusion 'this can easily fly' at the bottom.
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[19:36] <SpeedEvil> Slight error.
[19:36] <SpeedEvil> They'd forgotten g isn't 1n/kg.
[19:36] <Randomskk> :(
[19:39] <sbasuita> should be useful anyway, cheers
[19:39] <Randomskk> yw
[19:40] <natrium42> sbasuita!!!!
[19:40] <sbasuita> he's alive!
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[19:40] <natrium42> where were you?
[19:40] <Lunar_Lander> hello
[19:40] <natrium42> we were worried sick about you
[19:40] <natrium42> hi Lunar_Lander
[19:40] <natrium42> unser deutscher tiger :)
[19:41] <Lunar_Lander> XD+
[19:41] <sbasuita> natrium42: :(
[19:42] <natrium42> how is life?
[19:42] <sbasuita> ah, bit stressful atm
[19:42] <sbasuita> got to get into uni and all
[19:44] <natrium42> awesome, which one?
[19:44] <sbasuita> natrium42: cambridge to study natural sciences
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[19:45] <sbasuita> natrium42: are you flying over for the conference?
[19:45] <Randomskk> natrium42: I think you saw pembroke with ed just before I met you?
[19:47] <natrium42> sbasuita: umm, it's tempting
[19:47] <natrium42> Randomskk: yeah, i think so
[19:47] <natrium42> cambridge is amazing
[19:47] <natrium42> :)
[19:49] <DanielRichman> spaceflight is listed in the cam prospectus
[19:49] <Randomskk> the main big cambridge one?
[19:49] <Randomskk> cool.
[19:49] <Randomskk> enough people pester us for photos and a quick paragraph
[19:49] <Randomskk> actually, what text does it have/
[19:50] <Randomskk> because I wrote the best text the other day, but I think it's for the engineering dept's one, not the cam one
[19:50] <Randomskk> CU engineering society magazine, in fact
[19:50] <DanielRichman> it's just a list of things; I don't know if there's a page with further detail
[19:50] <Randomskk> oh right, probably not
[19:50] <DanielRichman> it's an A-Z just to demonstrate how varied it is etc.
[19:50] <Randomskk> http://pastie.org/2528175
[19:51] <DanielRichman> "Assassins", "breakdancing club", "computer games thingy", ... "spaceflight"
[19:51] <Randomskk> at least two out of four of these are plenty of fun :P
[19:51] <sbasuita> every cam uni talk i've been to has made a joke about the assasin's guild
[19:51] <Randomskk> :(
[19:51] <DanielRichman> was dissapointed that they didn't find any beginning with x
[19:51] <Randomskk> to be fair I made jokes about it at school uni talks
[19:51] <DanielRichman> "Asian E_X_change" "E_x_peditions society" (underline surrounds letter bolded in prospectus
[19:52] <Randomskk> but I also spent over five hours sitting in someone's room in the dark on their chair with a gun in my hand because they left their door unlocked for the day
[19:52] <sbasuita> also they use the same anecdotes, like the one about the fridge
[19:53] <DanielRichman> that was an anecdote from a talk? I feel cheated. A friend who went to the open day claimed to have witnessed it...
[19:54] <Lunar_Lander> natrium42 : how are you?
[19:55] <Randomskk> DanielRichman: maybe this will make up for it
[19:55] <Randomskk> http://www.youtube.com/watch?v=pFqs3jqvkw8
[19:56] <DanielRichman> ouch
[19:56] <Randomskk> you can tell she is an assassin by how she is wearing a long black coat
[19:57] <Randomskk> I also have a long black coat that I wear when I go assassining
[19:57] <Randomskk> (also I think you will miss her at the fresher's fayre by a year)
[19:57] <Randomskk> (shame)
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[20:00] <Lunar_Lander> is that whole thing based on the Ubisoft games?
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[20:00] <Lunar_Lander> hi costyn_ btw
[20:00] <Lunar_Lander> and eroomde
[20:00] <Randomskk> Lunar_Lander: it somewhat predates the unisoft games.
[20:00] <Lunar_Lander> yea
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[20:12] <fsphil> Randomskk, that's an interesting way of meeting new people ... :)
[20:13] <Randomskk> it's a great way to meet new people :P
[20:22] <Laurenceb> sounds like a mod of chimpanzees
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[21:10] <Lunar_Lander> hi Upu W0OTM
[21:22] TimZaman (~chatzilla@535602CA.cm-6-7a.dynamic.ziggo.nl) joined #highaltitude.
[21:22] <TimZaman> i've got my media up in a bit
[21:23] <Lunar_Lander> hello TimZaman
[21:23] <TimZaman> Mornin
[21:24] <Lunar_Lander> do you have the payload back already?
[21:25] <TimZaman> yeah for some time now
[21:25] <TimZaman> picked it up after dinner same day
[21:26] <Lunar_Lander> yeah, sorry I forgot that
[21:26] <Lunar_Lander> did you use the same box as last year btw?
[21:26] <TimZaman> it's funny. we were aiming for 5m/s lift. we didnt weight anything. - Anything. and we got 4.7m/s lift
[21:26] <Lunar_Lander> or did you make a new one
[21:26] <Lunar_Lander> yeah you said that :)
[21:26] <Lunar_Lander> that was cool
[21:26] <TimZaman> Lunar_Lander: no made new custom one with my homebrew foamcutter
[21:26] <TimZaman> very easy, clean, neat, nice, fun, etc.
[21:26] <TimZaman> writing an article on that this week
[21:26] <Lunar_Lander> yeah
[21:27] <Lunar_Lander> I remember that my first physics book also had that
[21:27] <Lunar_Lander> do you know those saws for making wood art?
[21:27] <TimZaman> got a lot of those in the pen; making the antenna; making the backup payload; making the image payload; using SSDV
[21:27] <Lunar_Lander> yea
[21:27] <TimZaman> dont use saws for foam
[21:27] <Lunar_Lander> yeah wait
[21:27] <Lunar_Lander> in the book they replaced the sawblade with a battery fed wire which became hot
[21:27] <TimZaman> seriously, i have used some proper stuff, my dad used to be a woodworker or how you call that
[21:27] <Lunar_Lander> so it was the same as you have now
[21:27] <Lunar_Lander> yeah
[21:28] <TimZaman> ahhh that was
[21:28] <Lunar_Lander> :)
[21:28] <TimZaman> yeah that could be even better
[21:28] <Lunar_Lander> yeah
[21:28] <TimZaman> though was i had made was pretty damn proper
[21:28] <Lunar_Lander> and I saw that they use it on building sites even
[21:28] <TimZaman> i had a 50cm span
[21:28] <Lunar_Lander> they have that big wire and they cut the isolation blocks with it
[21:28] <TimZaman> made the payload like a puzzle
[21:28] <Lunar_Lander> yea
[21:28] <TimZaman> everything would fit together
[21:28] <Lunar_Lander> yea
[21:29] <TimZaman> http://www.timzaman.nl/wp-content/uploads/2011/05/mainpayload.jpg
[21:29] <Lunar_Lander> I mean the thing in the book was very simple, they made the wire with a direct connection with battery
[21:29] <Lunar_Lander> I think that circuit can be improved
[21:29] <TimZaman> i did that too
[21:29] <Lunar_Lander> yea
[21:29] <TimZaman> but you have to make a calculator or two
[21:29] <Lunar_Lander> true
[21:29] <TimZaman> resistance and voltage
[21:29] <Lunar_Lander> yeah
[21:29] <Lunar_Lander> just wanted to say that
[21:29] <Lunar_Lander> it looks nice! :)
[21:31] <Lunar_Lander> I also like the stacked payload
[21:31] <Lunar_Lander> the GSM is on top?
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[21:36] <TimZaman> GSM module that is
[21:36] <TimZaman> this is a GSM: (backuppayload) http://www.timzaman.nl/wp-content/uploads/2011/05/backuppayload-inside.jpg
[21:38] <Upu> Tim is that GPS module really just sellotaped on ? :)
[21:38] <Lunar_Lander> ah
[21:39] <TimZaman> Upu: which payload
[21:39] <TimZaman> main or backup?
[21:39] <Upu> in that picture
[21:39] <TimZaman> second link or first
[21:39] <Upu> second
[21:40] <TimZaman> Well its an antenna..
[21:40] <TimZaman> taped on, yeah, has no screws..
[21:40] <TimZaman> TO answer your second question, yes, i just threw in all the stuff in that plastic container. Hence, Backup Payload.
[21:40] <Upu> how much does that primary payload weigh out of interest it looks quite large
[21:41] <TimZaman> large EPS
[21:41] <TimZaman> very very light
[21:41] <TimZaman> 800~900g
[21:41] <TimZaman> considering it had very heavy batteries
[21:41] <TimZaman> the rest was just a few slices of PCB, and wires
[21:42] <TimZaman> then again, as i said, we didnt weigh anything :)
[21:42] <TimZaman> Upu: http://www.youtube.com/watch?feature=player_embedded&v=kt0gsJFKMOk
[21:43] <TimZaman> oh im now uploading the montage
[21:43] <TimZaman> its just 2.5 minutes
[21:43] <TimZaman> i laughed my ass off making it
[21:43] <Upu> Swap you for this totally non HAB one that still makes me laugh http://youtu.be/1a6WO1g0yGk
[21:43] <Upu> 3D ? :)
[21:43] <Upu> I don't have any glasses
[21:47] <TimZaman> ahahah wwtff
[21:47] <TimZaman> HAHAHAHA
[21:47] <TimZaman> that part when gandalf is writing
[21:48] <Upu> yeah
[21:48] <TimZaman> haha
[21:48] <TimZaman> trolling saruman
[21:49] <TimZaman> already knew that one. but that edit is one of the best i've seen
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[21:53] <fsphil> hmm.. this september launch of mine looks like it'll be in october :)
[21:53] <TimZaman> fsphil you be testing some stuff?
[21:53] <fsphil> not at the moment no
[21:54] <TimZaman> :(
[21:54] <TimZaman> 2400bd!
[21:54] <fsphil> I did that a while back :)
[21:55] <TimZaman> but
[21:55] <TimZaman> i mean in your flight
[21:55] <TimZaman> we could make some good progess if we test some stuff
[21:55] <TimZaman> i mean, i'm so glad i tested 1200bd
[21:55] <TimZaman> never gain will i go below that
[21:55] <fsphil> I'm not sure what speed I'll use next time
[21:56] <TimZaman> well i think if you're going "whip" you should stick to 600 max
[21:56] <fsphil> yea
[21:56] <fsphil> 300 worked very well
[21:56] <fsphil> good range too
[21:57] <TimZaman> faster=better, right?
[21:57] <TimZaman> i mean.. 600 baud was a piece of cake
[21:58] <TimZaman> tune it right, and 1200 baud was a piece of cake!
[21:58] <fsphil> I'd prefer more reliable than fast, when I'm trying to find it
[21:58] <fsphil> the terrain here can be difficult in places
[21:58] <TimZaman> you can switch back?
[21:59] <TimZaman> fsphil oh yeah, we know what packets we did not receive.. right?
[21:59] <fsphil> yea
[22:00] <SpeedEvil> http://www.youtube.com/watch?v=lP8gYKa1ozY&feature=related
[22:00] <SpeedEvil> that's quite cool
[22:00] <SpeedEvil> Though the worst music choice ever.
[22:00] <TimZaman> saw that at the CeBit in germany
[22:02] <TimZaman> fsphil cant we use image inpainting :)
[22:02] <TimZaman> there ar esome very decent algo's that would go great with our loss of packets
[22:03] <fsphil> that's cool
[22:03] <jcoxon> stupid capacitors
[22:03] <jcoxon> thats why that charger wasn't working
[22:03] <fsphil> TimZaman, thought about that- but never had time to do anything interesting :)
[22:03] <Lunar_Lander> btw
[22:03] <Lunar_Lander> do you in NL and UK already have christmas stuff in the shops?
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[22:03] <Lunar_Lander> we do, since September 1
[22:04] <TimZaman> no
[22:05] <TimZaman> dont go to shops really :)
[22:05] <Lunar_Lander> yea
[22:05] <Lunar_Lander> do you have Aldi?
[22:06] <TimZaman> yeah
[22:06] <Lunar_Lander> :)
[22:06] <TimZaman> its not good for your reputation if you shop there
[22:06] <Lunar_Lander> really?
[22:06] <fsphil> lol
[22:06] <TimZaman> Oh hell yes.
[22:06] <Lunar_Lander> I mean here all the people go to Aldi and Lidl because it is cheap
[22:07] <TimZaman> Yep, but we have Albert Heijn, which is also cheap, *and* the products are very good
[22:07] <Lunar_Lander> ah
[22:08] <Lunar_Lander> maybe like in the US
[22:08] <TimZaman> Aldi's products are not that great, and the shops look shabby and the people are not really nice (underpaid)
[22:08] <Lunar_Lander> they have "Trader Joe's" and ALDI
[22:08] <Lunar_Lander> their aldi is under Aldi South
[22:08] <Lunar_Lander> and Trader Joe's belongs to Aldi North
[22:08] <Lunar_Lander> yea
[22:09] <Lunar_Lander> but I think here it really is a part of our culture
[22:09] Action: TimZaman just ordered a PandaBoard
[22:09] <Lunar_Lander> if people have to rush to buy something just before closure time, they say "Aldi macht gleich zu"
[22:09] <TimZaman> 10 minutes of youtube uploading left and you can see my latest creation
[22:10] <Lunar_Lander> cool
[22:10] <TimZaman> Thats something too. Aldi is german. And we love the high end german stuff. but we're not ones for the german kitchen or any other cultural thing
[22:10] <Lunar_Lander> yeah
[22:10] <Lunar_Lander> what do you think about "new kids"?
[22:10] <TimZaman> we have a lot in common with the anglosacsian countries
[22:10] <Lunar_Lander> yea
[22:10] <TimZaman> Lunar_Lander: awful
[22:11] <TimZaman> was that a hit in germany, oder?
[22:12] <Lunar_Lander> I think so
[22:12] <Lunar_Lander> I heard from many of my friends that they watched the movie
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[22:24] <TimZaman> All done! http://www.timzaman.nl/?page_id=1106
[22:25] <Lunar_Lander> yay
[22:26] <Lunar_Lander> btw how does the 3D video work?
[22:26] <Lunar_Lander> do you need glasses to watch it correctly?
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[22:35] <TimZaman> no
[22:35] <TimZaman> you can turn it off
[22:36] <Lunar_Lander> oh
[22:36] <TimZaman> or, if you have a proper monitor & video card you can watch it with cinema glasses. or if you have, anaglyph glasses.
[22:36] <Lunar_Lander> ah
[22:36] <Lunar_Lander> thanks :)
[22:52] <Lunar_Lander> TimZaman : do you know something about the Venus GPS?
[22:52] <TimZaman> eh
[22:52] <TimZaman> be specific
[22:52] <Lunar_Lander> do you know how to work with that GPS`?
[22:53] <Lunar_Lander> I have connected it to my arduino and then I got a serial readout of all data and I saw that it could not achieve lock
[22:53] <Lunar_Lander> then I tried the GUI for the GPS that is supplied by Skytraq
[22:53] <Lunar_Lander> apperently, the GUI can listen to the GPS via the arduino
[22:53] <Lunar_Lander> but it cannot send commands over it
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[22:55] <Lunar_Lander> but I have a FT232 breakout
[22:55] <Lunar_Lander> do you think it could work trying to connect it to the PC via that?
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[22:56] <TimZaman> Dunno
[22:56] <TimZaman> Yeah should be if its a serial interface
[22:56] <Lunar_Lander> yeah
[22:56] <Lunar_Lander> because the GUI has the command "Get Ephemeris"
[22:57] <Lunar_Lander> and as far as I understood it, the GPS needs that first
[22:59] <SpeedEvil> Shouldn't - most GPS s will obtain these from stats in worst-case - 12.5 min
[22:59] <SpeedEvil> (in good sky view)
[23:00] <Lunar_Lander> ah
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[23:04] <griffonbot> Received email: T Zaman "[UKHAS] 800x600 live images @ 1200 baud recap!"
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[23:07] <nickolai89> Lunar_Lander, are you sure your GPS has a clear view of the sky from where you're working? My experience with small chips is they tend to have trouble getting a lock indoors
[23:08] <Lunar_Lander> yeah, last time I hung it outside and it could look into the western sky
[23:08] <Lunar_Lander> but maybe that wasn't enough
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[00:00] --- Wed Sep 14 2011