highaltitude.log.20120112

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[00:06] <jiffe98> their first one was better
[00:06] <jiffe98> only lasted an hour
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[00:14] <zyp> better how?
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[08:18] <fsphil> tis the morning!
[08:19] <daveake_> someone got out of bed the right side :)
[08:19] Nick change: daveake_ -> daveake
[08:19] <number10> ug
[08:19] <fsphil> nah, not awake enough yet to fully grasp the depressing and demoralising nature of my job ;)
[08:19] <daveake> now that's closer to how I feel :D
[08:20] <fsphil> I do however, have a cookie
[08:20] <fsphil> and that makes everything better
[08:20] <daveake> mmmcookies
[08:21] <number10> just think fsphil you have at least 30 more years of the same
[08:21] <fsphil> yay lol
[08:21] <number10> always look on the bright side#
[08:21] Action: daveake puts on his "I'm not dead yet" t-shirt
[08:22] <number10> well we have a launch to lookforward to in just over a weeks time - do we still?
[08:22] <daveake> (usually wear that for my visits to the doc)
[08:22] <fsphil> I bet he appreciates that
[08:22] <daveake> u mean mine?
[08:22] <daveake> yes, he did :). He's a good guy - even came along to my first launch!
[08:23] <number10> yes yours daveake
[08:23] <number10> is it going to plan? I put it in my diary
[08:23] <daveake> 2 weeks.
[08:23] <daveake> Yes, no probs
[08:23] <fsphil> no pressure
[08:23] <daveake> lol
[08:24] <daveake> I was going to add my olde Wavecom SMS module, but the SIM card holder has a piece missing.
[08:25] <daveake> So I'll use my olde T39m phone instead.
[08:25] <daveake> Just to send texts when low enough, as a backup to the radio
[08:25] <number10> not that we are putting pressure on but its T - 16 days, 0 hours, 35 minutes and 7 seconds
[08:26] <fsphil> my brain can't do maths this early.. that's a weekend isn't it?
[08:26] <daveake> I feel less pressure than the balloon at launch :)
[08:26] <daveake> Sunday
[08:26] <number10> ahh so 17 days
[08:27] <fsphil> ah, perfect
[08:27] <fsphil> I shall attempt some tracking
[08:27] <daveake> One of my helpers has missed all but the first launch, and she can't do the Saturday
[08:27] <fsphil> ooh, my florescent paints should arrive today
[08:27] <daveake> I read that as "pants" LOL
[08:28] <fsphil> give me time
[08:28] <daveake> I was wondering what the theme of your next payload was going to be ....
[08:28] <fsphil> radioactive rubber pants
[08:28] <daveake> btw I ordered one of those RFM22 modules that jcoxon is using. I'll have a go at hellschreiber for my pico payload
[08:29] <fsphil> you're going to hell?
[08:29] <number10> did you get from US or does protopic do them
[08:29] <daveake> one way ticket
[08:29] <daveake> protopic
[08:29] <fsphil> it is a great mode. now that I've done aprs, I'll try that
[08:29] <fsphil> I think hell will be much more fun
[08:30] <fsphil> we need a better font though
[08:30] <number10> jcoxon thought he had the antenna configuration bits/pins wrong on last launch - maybe good to check on that
[08:31] <daveake> Is that part of why it was so weak?
[08:31] <number10> on his blog (or whatever the page is) he mentions something like that
[08:32] <fsphil> it did look very flimsy
[08:32] <number10> I think we should have the font as Alte Scwabacher
[08:32] <fsphil> lol
[08:32] <number10> I think first time he had those pins floating, this time were connected - but wrong config
[08:32] <fsphil> all the fun of a captcha that
[08:33] <number10> yes
[08:34] <fsphil> woo, my bank is firing 900 staff
[08:34] <fsphil> always a good sign
[08:34] <number10> well it may be last ditch attempt before they go bust - but dont let me start a run on a bank
[08:37] <fsphil> they're run by RBS, so who knows
[08:42] <fsphil> those little radios are also receivers-- although they need to use their own modes, can't just uplink 50 baud rtty
[08:43] <fsphil> but it does mean you could have multiple payloads all talking between themselves. perhaps sharing gps data
[08:44] <fsphil> all using one radio
[08:45] <number10> I wonder how they drift
[08:45] <UpuWork> guess we'll find out soon
[08:46] <UpuWork> I'm making a board for them at the moment
[08:46] <number10> if it really was possible - it would be great to send out 4 or so Picos at 1 hours intervals
[08:46] <number10> a pico UpuWork - or for you next AVA?
[08:46] <number10> your
[08:47] <fsphil> a picostorm
[08:47] <UpuWork> picoAva but mainly doing it for James
[08:47] <UpuWork> http://imagebin.org/193187
[08:47] <UpuWork> 24mmx 45mm transmitter is on the back, that board has GPS, AVR, serial, transmitter and Dc-dc step up on it
[08:48] <UpuWork> and a BMP085
[08:48] <daveake> nice
[08:48] <UpuWork> HABduino
[08:48] <fsphil> I do love these boards
[08:48] <number10> nice
[08:49] <UpuWork> Wondered if I could get the whole lot + battery in a kinder egg toy container
[08:49] <number10> you need to make loads of those at the rate james launches
[08:49] <number10> I like the name picostorm fsphil
[08:49] <UpuWork> well hopefully these will be a little more robust
[08:49] <UpuWork> and handle trees
[08:49] <daveake> :)
[08:49] <UpuWork> work in progress anyway there is no where to attach a battery or an antenna at the moment
[08:50] <UpuWork> which may cause issues
[08:50] <daveake> You taking orders UpuWork? :)
[08:50] <UpuWork> it'll be open source
[08:50] <fsphil> actually UpuWork, I wonder if we can program them over the radio - since it's two way
[08:50] <fsphil> put a kind of radio bootloader into it
[08:50] <number10> I you putting on a DC-DC converter?
[08:50] <daveake> he said so :D
[08:50] <UpuWork> yeah its on there
[08:50] <UpuWork> https://github.com/Upuaut/Eagle-Libraries
[08:50] <UpuWork> its called HABduino-Pro-Mini.sch
[08:51] <UpuWork> but fair warning it doesn't currently work or is ready for making
[08:52] <fsphil> are you available for teaching Eagle classes UpuWork? :)
[08:52] <UpuWork> I think I should do a tutorial on the Wiki actually at some point
[08:52] <UpuWork> simply so when I put this down and come back in 6 months I can remember how to do it
[08:53] <daveake> :-). Or s/months/days/ in my case ...
[08:54] <UpuWork> right best do some work
[08:55] Action: fsphil is trying to make up for the lost sparkfun hour
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[09:15] <costyn> fsphil: did anybody here win anything?
[09:15] <costyn> fsphil: I entered about 10 captcha's and then got bored :)
[09:15] <costyn> i'm not that desperate for cash hehe
[09:15] <costyn> free stuff is fun, but in this case it wasn't worth it
[09:16] <costyn> would be interesting to see some statisctics of how many people participated and how many captcha's were entered and how many books were read hehe
[09:16] <fsphil> costyn, yea lunar and cuddykid won I think
[09:16] <fsphil> I may have entered about 100
[09:17] <fsphil> I remember stilldavid mentioning there where over a million captchas entered
[09:17] <costyn> fsphil: ah cool that some people won stuff
[09:18] <costyn> and that's a lot hehe
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[09:29] <zyp> over a million? I think is was around six million
[09:38] <fsphil> well six is over one :)
[09:45] <fsphil> I'd say that put a pretty big spike in the captcha stats
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[10:00] <costyn> fsphil: the recaptcha website says they have 30 million captcha's served daily, so yea 6 million would be an noticable spike
[10:02] <fsphil> that's still not the ratio I was expecting. 30 million is a lot
[10:03] <costyn> well they're used on a lot of websites, including facebook craigslist 4chan :)
[10:03] <costyn> according to this article http://techie-buzz.com/tech-news/recaptcha-crowdsourcing-ocr-google-books.html
[10:03] <fsphil> fantastic
[10:03] <fsphil> the ORC is neat
[10:03] <fsphil> OCR even
[10:03] <costyn> yea, brilliant idea
[10:04] <fsphil> although I did correct a few spellings
[10:04] <costyn> if you read the article, I can't imagine that they still have unread books with that amount of human processing power
[10:06] <fsphil> they're probably using the extra just to proof read or test accuracy
[10:07] <fsphil> I do wonder how they handle the weird stuff -- I got quite a few arabic words, and some stuff that wasn't even words
[10:08] <daveake> Greek and maths too
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[10:08] <fsphil> yea
[10:08] <fsphil> or entirely blank boxes
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[10:13] <daveake> I had one of those too
[10:13] <costyn> guess they're probably flagged for someone in the digitizing project to look at and do manually
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[11:07] <vk5gr> ping Darkside
[11:08] <Darkside> vk5gr: hey
[11:08] <Darkside> i've downloaded the 576p version
[11:08] <vk5gr> cool just wanted to check you got it and it worked ok
[11:08] <vk5gr> ill leave it up there till after the conference in case you need to grab it again
[11:08] <Darkside> yeah its fine
[11:09] <Darkside> cool thanks
[11:09] <vk5gr> when are you boys presenting BTWE?
[11:09] <Darkside> tuesday... uhmmm
[11:10] <Darkside> 2:20pm
[11:10] <Darkside> http://linux.conf.au/schedule/125/view_talk?day=tuesday
[11:10] <vk5gr> does that mean we can open the film to the public Tuesday night?
[11:10] <Darkside> yeah
[11:10] <vk5gr> no probs
[11:10] <Darkside> and yes, you can use my image blah blah blah all rights reserved blah blah
[11:10] <vk5gr> thanks :-)
[11:11] <vk5gr> I figure - the exposure cant hurt as a minimum - if it wins I want to fly a Cannon 5DMk2 on the balloon with the proceeds :-)
[11:11] <Darkside> hahahahahahaha
[11:11] <Darkside> oh seriously
[11:11] <Darkside> thats like 4kg isnt it?
[11:11] <vk5gr> (actually might have to be something lighter - the 5DMk2 is a heavy camera :-
[11:12] <vk5gr> get a second GH2 - thats not too bad esp with the 20mm pancake lens
[11:12] <Darkside> heh
[11:12] <Darkside> i've got matts codan manpack set up in my room
[11:12] <vk5gr> probably about 500-600gms
[11:12] <Darkside> listeing to rag chewers on HF
[11:12] <Darkside> my god people talk about some menial things on HF
[11:12] <vk5gr> going hf are we? spose it will be a few weeks till you get your new call?
[11:13] <Darkside> yeah
[11:13] <vk5gr> now you work that out?
[11:13] <Darkside> eh?
[11:13] <Darkside> oh i've had HF gear for a while
[11:13] <Darkside> i dont listen much
[11:13] <vk5gr> why do you think I have been a ham for 27 years and have never spent any time on HF!
[11:13] <Darkside> i've been using my awesome HF setup in tasmania for receiveing samples of DRM for uni work
[11:14] <vk5gr> DRM?
[11:14] <Darkside> digital radio mondiale
[11:14] <vk5gr> oh - ok - someone's actually transmitting some are they?
[11:14] <vk5gr> which broadcasters?
[11:14] <Darkside> yeah, heaps of stations in europe, a few in asia
[11:14] <Darkside> and radi australia broadcasts for an hour a day
[11:14] <Laurenceb_> did jcoxon get the antenova gps working?
[11:14] <Darkside> radio*
[11:14] <vk5gr> didnt realise it had become popular
[11:14] <Darkside> Laurenceb_: not sure
[11:15] <Laurenceb_> that thing is scrazy light
[11:15] <Darkside> vk5gr: have you heard of the osmocom stuff?
[11:15] <Darkside> open source baseband firmware
[11:15] <vk5gr> no not familiar with that
[11:15] <Darkside> http://bb.osmocom.org/trac/
[11:15] <Darkside> we (hackerspace adelaide) has a phone that supports that firmware
[11:16] <Darkside> it allows some.. interesting GSM analysis
[11:16] <Darkside> i half remember a discussion with matt sorell about the legalities of this
[11:16] <Darkside> and how far you have to go before it becomes wiretapping
[11:16] <vk5gr> I can see that it wouild :-)
[11:17] <vk5gr> if you break the encryption of the voice call then it is wire tapping - but to brute force that is supposed to take a few days I believe
[11:17] <Darkside> yeah we wouldnt bdo that
[11:17] <Darkside> its more looking at the gsm control stuff
[11:17] <vk5gr> (I think the original standard was a little weak on it's encryption stuff)
[11:17] <Darkside> and the stuff that does IMSI pings or whatever
[11:18] <vk5gr> the signalling channel - well I know we monitor it from the back protocol stack at work - but usualy divorce the data from the IMSI so we cant tie it back to an identifiable user - although we can do so if needed when we are tracing handsets that have gone rough
[11:18] <vk5gr> rougue
[11:18] <Darkside> mm
[11:18] <Darkside> well this firmware is RX only
[11:19] <Darkside> so at the least we're not going to be detected
[11:19] <Darkside> anyway, this is from the same guys that wrote the open source BSC
[11:19] <vk5gr> I recall that the ciphering starts up very early in the call setup sequence - I am not even sure the IMSI goes out in the clear - I dont think it does (although it has been over 10 years since I looked at GSM core network signalling)
[11:20] <Darkside> yeah im pretty sure you cant actually get the IMSI out of it
[11:20] <Darkside> but you can tell when 'they' are tracking the location of a phone
[11:21] <vk5gr> depends what sort of tracking is being done :-)
[11:22] <Darkside> http://bb.osmocom.org/trac/wiki/WiresharkIntegration
[11:22] <Darkside> i find this incredibly cool
[11:22] <SpeedEvil> indeed
[11:22] <SpeedEvil> very
[11:22] <vk5gr> anyway going to call it a night - ~4am when I hit the sack yesterday - premiere has some serious bugs when multi-stacking embedded timelines - caused a LOT of grief assembling the clips last night - going to have to write up a bug report as it only started I think with the last version of the nvidia drivers
[11:22] <vk5gr> needless to say there was a lot of 2 steps forward and one step back building the film
[11:23] <Darkside> vk5gr: heh, thanks for all the work you did
[11:23] <Darkside> its a great film!
[11:23] <vk5gr> no problems - glad you like it and hope it has the impact you want at linuxconfAU
[11:25] <vk5gr> PS wireshark BTW has some really cool analysis stuff in it now for sniffing the inter-nodal links. if you sit it on X2 or S1 or IuPS or IuCS etc etc you can watch the entire protocol stack and have it disected - used it in pracs looking at LTE signalling in melbourne before Christmas - gotta be sitting on the core network side of it however to see the really good stuff
[11:26] <Darkside> hehe
[11:26] <Darkside> well we'll see what we can do looking at GSM
[11:26] <vk5gr> seeya and good luck wiht the presentation if I dont catch you beforehand
[11:26] <Laurenceb_> http://invensense.com/mems/gyro/mpu9150.html
[11:26] <Laurenceb_> it has happened
[11:26] <vk5gr> you need to hook it up to matlab and watch a 3G network next :-)
[11:28] <cuddykid> daveake: they've just arrived :D thank you so much! I'll get building in a bit :P
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[11:29] <Darkside> evening juxta
[11:29] <natrium42> evening juxta
[11:29] <natrium42> evening Darkside
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[11:32] <juxta> evening all
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[11:54] <vk5gr> juxta goodevening
[11:56] <Darkside> vk5gr: theres a fully legit VK4NBL on HF atm
[11:56] <Darkside> also made a 40m contact :D
[11:57] <Darkside> my first
[11:57] <vk5gr> poor guy for choosing that callsign :-)
[11:57] <Darkside> yeah lol
[11:57] <Darkside> theres a net on 7140
[11:57] <vk5gr> ping juxta still awake?
[11:58] <Darkside> the contact was an interesting one though - the noise floor here was too hard to hear the other station, so i was receiving on my tassie RX station
[11:58] <Darkside> it was a VK1
[11:58] <Darkside> i need to start keeping logs...
[11:58] <vk5gr> now thats cookee
[11:58] <vk5gr> only if you want to QSL :-)
[11:59] <Darkside> also so i know who i've talked to, because my memory for names and callsigns is horrible
[11:59] <LazyLeopard> Heh. Don't have any VK calls in my UK log yet, but caught VK4TUX and VK6APZ from 5Z4 over the Xmas holiday...
[12:00] <Darkside> vk5gr: still, i'm in love with this codan radio
[12:00] <Darkside> all it needs is a bit more power
[12:00] <vk5gr> well - it is only a man pack :-)
[12:00] <Darkside> yeah
[12:00] <vk5gr> what are they - 10W or something?
[12:01] <Darkside> 25W
[12:01] <vk5gr> PEP?
[12:01] <Darkside> dammit i want my full call already, so i can work 20m!
[12:01] <Darkside> 25W PWP
[12:01] <Darkside> PEP*
[12:01] <vk5gr> so what call are you going to apply for?
[12:01] <Darkside> VK5QI
[12:02] <Darkside> paperwork is all sent in
[12:02] <Darkside> adrian posted it on monday
[12:02] <vk5gr> is that one free? I thought he was still around!
[12:02] <Darkside> its free
[12:02] <vk5gr> ill admit its been a few years since I think I heard QI on air
[12:03] <vk5gr> dah dah didah didit - yeah that works if you ever learn morse :-)
[12:03] <Darkside> yeah
[12:03] <Darkside> i found a QSL card of his
[12:04] <LazyLeopard> Heh. I went and chose LEP, which doesn't work so well in morse... To easy to mis-key as FEp, FIP, FIZ, etc...
[12:04] <Darkside> http://217.160.180.18/hamdl7sp/myqsls/karten/vk,vk5qi.jpg
[12:06] <vk5gr> i reckon he might have once come down to the south caost radio club - the call is vaguely familiar
[12:06] <Darkside> i'm sure a lot of people will be telling me that
[12:06] <vk5gr> oh well - provided it isnt embargoed due to recently deceased you should be fine
[12:06] <Darkside> well it said it was free on teh wia website
[12:06] <Darkside> so i'm assuming it isnt
[12:07] <vk5gr> if you checked there then you shouild be fine - if you only checked on ACMA then you werent guarenteed
[12:08] <Darkside> cool
[12:08] <Darkside> i have VK5DRK as a backup
[12:09] <Darkside> though i'd prefer not to ue that one :P
[12:09] <Darkside> all your fault
[12:09] <vk5gr> naw - you dont want to be known as vk5 dork :-?
[12:10] <Darkside> :P
[12:10] <vk5gr> well - time to pumpkin methinks - 2am, 1am and 4am is catching up after 3 nights straight :-)
[12:10] <vk5gr> at least i dont have to work tomorrow
[12:10] <Darkside> hehe
[12:10] <Darkside> oh good for you :P
[12:11] <Darkside> i have a meeting with my supersivor tomorrow
[12:11] <vk5gr> have fun in Ballarat
[12:11] <vk5gr> i just have to drive up to the mother in laws - staying up there for the weekend
[12:11] <vk5gr> will get to use your I-Gate methinks
[12:11] <Darkside> yeah you should
[12:11] <juxta> hey vk5gr
[12:11] <vk5gr> hi juxta!
[12:12] <vk5gr> did you seew the finished film?
[12:12] <juxta> havent had a look yet
[12:12] <vk5gr> (as he wakes back up briefly)
[12:12] <juxta> will check it out in a moment :)
[12:12] <Darkside> juxta: shame
[12:12] <vk5gr> well - whats holding you up - come on now!
[12:13] <juxta> was just about to do the dishes, but hold on, will watch it now
[12:13] <costyn> so yea we have a canon powershot A480 for our HAB project. Any particular settings which are recommended as far as focus and aperture ? (we'll be using a CHDK intervalometer script)
[12:15] <vk5gr> costyn - focus should be set to infinity - you are not going to see anything up close anyway. aperture - not familiar enough with the camera i'm afraid - been using GoPro HDs - they have a problem with over exposure when there is a lot of cloud cover
[12:15] <costyn> vk5gr: ok thx
[12:16] <costyn> i would think a small aperture since we don't need any DoF and there's enough light anyway
[12:16] <vk5gr> definitely agree with that - otherwise you will need lots of ND filters
[12:17] <costyn> yea... do they even make ND filters for PoS camera's?
[12:17] <vk5gr> often not from what I have seen
[12:17] <daveake> No, it doesn't have a screw fitting so you can't. Anyway, less material between lens and outside world the better/
[12:18] <juxta> vk5gr, nice work :)
[12:18] <vk5gr> glad you like it
[12:18] <costyn> I should get some NDs for my SLR, have been wanting to experiment with slower shutter speeds
[12:18] <juxta> it's very good!
[12:18] <costyn> vk5gr: I think I missed the link to your video
[12:18] <vk5gr> check your e-mail too - i am considering entering it into the Vimeo Festival+Awards in the documentary category
[12:18] <daveake> Choose infinity focus so it doesn't need to try and focus on anything. Saves out of focus shots and a bit of time and power :)
[12:18] <juxta> yeah I saw that - no probs with me, you have my OK there :)
[12:19] <vk5gr> costyn - it;s not released to the public just yet - waiting till after the presentation to LinuxconfAU on Tuesday
[12:19] <costyn> vk5gr: ah ok :)
[12:19] <daveake> Re aperture, I'd go for large aperture so the shutter speed is shorter
[12:19] <juxta> if you want the other folks who i've brought out to give their OK's too then I'm sure it wont be a problem
[12:19] <Darkside> vk5gr: i think we can probably show people here
[12:19] <Darkside> since none of them will be going to LCA anyway
[12:19] <vk5gr> leave it to you darkside to give them the link and pwd then
[12:19] <costyn> daveake: ah yes, shutter speed should be fast to prevent motion blur
[12:20] <vk5gr> juxta - yes that will be something i will need to chase up - might need to talk to Jason as well about H11?
[12:20] <vk5gr> (not for the footage itself - but for the image the footage was taken of - release rights for that might be needed)
[12:21] <juxta> okay I will check with him
[12:21] <daveake> Also remember to make sure RAW is switched off - CHDK tends to switch that on for you. Otherwise it'll stop taking photos when the SD card fills up!
[12:21] <costyn> daveake: noted, thanks!
[12:22] <vk5gr> i'm going to e-mail vimeo and find out if they have a standard form release letter that they would like us to use like Tropfest did - will let you know what i found out
[12:22] <vk5gr> did the disk go back to Toby?
[12:22] <juxta> yep it did vk5gr
[12:23] <vk5gr> great
[12:23] <daveake> Strongly (that should be in CAPS!) suggest you go through the steps to set up, write them all down, run a complete test with Lithium cells and your SD card and make sure it runs for long enough (expected flight time plus 30 mins of setting up time). Then you just need to repeat for the actual flight. The sequence needs to include making sure the SD card is empty, you have new batteries, etc.
[12:23] <vk5gr> ok - well thats good night from him, and goodnight from me - pumpkin time! talk later!
[12:23] <juxta> night vk5gr
[12:23] <juxta> i'm being hounded to go out for a ride
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[12:24] <juxta> but the lca presentation beckons
[12:24] <costyn> daveake: thanks, copying that down in my notes :)
[12:24] <juxta> Darkside, eta for permit renewal is 3-5 days
[12:24] <juxta> so good news :)
[12:24] <Darkside> cool
[12:24] <costyn> daveake: did you test your camera in the freezer?
[12:25] <juxta> still costs $160 though
[12:25] <daveake> No, but others did before me :)
[12:25] <costyn> ok :)
[12:26] <daveake> With good insulation the camera won't get very cold, because of the heat it generates
[12:26] <costyn> daveake: ok
[12:28] <daveake> When are you planning on launching?
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[12:52] <costyn> daveake: no definite plans yet. Payload electronics is mostly done just needs some more testing ; then onto ordering balloon and helium and making the styrofoam box
[12:53] <costyn> daveake: but I'm very short on free time at the moment, so development is a bit stagnant. Another team-member is working on the camera at the moment, so at least there's some progress
[12:54] <daveake> Just over 2 weeks till my next one. Payload completely unbuilt as yet :)
[12:54] <daveake> But that's easy enough. Same firmware as before except the GPS is different (UBlox) and I need to cut'n'paste some existing code to initialise it.
[12:55] <daveake> I flew a ublox before.
[12:55] <costyn> daveake: ah good :) well good motivation for me to get my antenna on my roof wired and working. Weather has not been very inviting for roof-top jaunts lately
[12:55] <costyn> daveake: ah yea I have a ublox too, sitting on a GPS Bee
[12:56] <daveake> Overall it's very similar to cloud2 except newer firmware and I'll try not to land in the sea this time :)
[12:56] <fsphil> poor mermaids, they've almost enough parts for their own launch now
[12:59] <cos^> sorry if this is a FAQ, but how do i know how much helium i need for my balloon (TE200)?
[12:59] <daveake> Launch *from* the sea. That would make a change :)
[12:59] <daveake> cos^ http://www.cusf.co.uk/calc/
[13:00] <cos^> daveake: great, thanks!
[13:01] <daveake> You can mess around with the figures to get the flight you want (shorter/longer, higher/lower)
[13:03] <fsphil> if you launched from the sea, might not need Mr Miller's blessing
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[13:04] <daveake> Yes, I think someone said that. So when are you buying your boat? :)
[13:05] <costyn> clever :)
[13:08] <cos^> do you think TE200 and 500g payload is a sensible configuration for a first balloon?
[13:09] <fsphil> how heavy is the TE200?
[13:09] <cos^> 200g
[13:09] <fsphil> it won't get very high
[13:09] <cos^> CUSF calculated 20km
[13:10] <cos^> it's enough for first time
[13:10] <fsphil> I'd say that's optimistic
[13:11] <fsphil> maybe 18km
[13:11] <fsphil> still very high
[13:11] <fsphil> on the plus side you save a lot of helium
[13:12] <cos^> ok. altitude is not the most important goal at this time. we plan to send more balloons if the first one works..
[13:13] <cos^> do you think we can fit a gsm+gps, arduino, gopro and parachute in 500g?
[13:13] <fsphil> that's a fair plan
[13:13] <Darkside> 500g might be a bit of a stretch with all that
[13:13] <daveake> It's high enough for a test. It'll get to -50C-ish (higher is actually warmer, not colder)
[13:13] <Darkside> with a custom pcb, sure
[13:13] <fsphil> certainly possible but you'll need to be careful
[13:13] <costyn> especially the go-pro is not quite light weight
[13:13] <Darkside> cos^: don't forget you'll need external batteries for the gopro
[13:13] <Darkside> the internal batteries won't last you very long
[13:13] <cos^> i haven't weighed the components yet and actually we haven't bought the gsm+gps yet
[13:13] <daveake> You need to weigh everything
[13:14] <cos^> daveake: because of cold? my gopro records ~4 hours on one battery.
[13:14] <daveake> My camera payload is just short of 800g, including camera+camcorder+external batteries+GPS backup tracker
[13:15] <fsphil> I was able to get mine down to 510g I think it was -- but that was a canon a560, not a gopro
[13:15] <fsphil> and there was no gsm backup
[13:15] <daveake> 4 hours is enough. I use a Kodak Zx1 and that needs external cells to manage enough time.
[13:15] <cos^> we could of course go for a larger balloons, but TE200 seems to be the cheapest one on ebay
[13:17] <cos^> also i've heard helium is quite expensive
[13:17] <fsphil> hehe.. 2.4 magnitude tremor becomes ... "Earthquake hits Stoke-on-Trent" on bbc news
[13:17] <daveake> Stoke? 2.4 isn't big enough :p
[13:18] <fsphil> haha
[13:18] <daveake> Ah, postie has called with lots of Proto-Pic goodness :)
[13:19] <fsphil> oooh christmas 2
[13:19] <UpuWork> Yeah my Ava2 boards just turned up too
[13:19] <daveake> Bits for my pico payload
[13:23] <daveake> Also a level converter to connect to my olde phone for the SMS backup.
[13:25] <daveake> The phone actually has 3V3 levels at the connector, but the cable converts to RS232. I did hack a cable before to get at the 3V3 levels, but I lost it :(
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[13:25] <daveake> So for now I think I'll use a complete cable and stick a level converter between that and the Arduino. I think the payload can suffer the extra few grams :)
[13:28] Action: fsphil just received about 5000 resistors :)
[13:28] <cuddykid> lol fsphil
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[13:29] <fsphil> no idea where I'm going to store them
[13:29] <fsphil> crap, never thought of that before I ordered them
[13:29] <Darkside> SMD resistors?
[13:29] <fsphil> yea
[13:29] <fsphil> 0603's
[13:29] <Darkside> ahh thats not so bad
[13:30] <fsphil> I can probably cut up the strips, keep them in a tray
[13:30] <Upu> I just left them in the box them came in :)
[13:30] <fsphil> woo, lunch time. brb
[13:30] <UpuWork> have fun
[13:30] <daveake> I put mine in compartment boxes. 1 box with 24 compartments covers one decade
[13:30] <daveake> But mine are all axial
[13:30] <daveake> None of this "sneeze then theyre gone" stuff :)
[13:32] <Darkside> daveake: well they come in strips
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[13:33] <Darkside> its only once tou take them out of the strip packaging that you have problems
[13:33] <Darkside> aww
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[13:33] <daveake> I sneezed then I was gone :D
[13:35] <Darkside> lol
[13:38] <UpuWork> I've lost an SMD LED due to nasal issues
[13:39] <Darkside> i know theres quite a few SMD components on the carpet around my soldering station
[13:39] <NigelMoby> lol
[13:39] <Darkside> and yeah, i've lost 0603 LEDs quite a few times
[13:40] <daveake> UpuWork maybe if you stick your nose next to a strong alternating magnetic field the LED will reveal its location? :p
[13:40] <Darkside> hmm
[13:40] <Darkside> i like these ATMega1281s
[13:40] <UpuWork> heh
[13:40] <Darkside> same core as the atmega1280, but with 64-pins
[13:40] <UpuWork> btw
[13:40] <UpuWork> http://imagebin.org/193209
[13:40] <UpuWork> ignore crap soldering
[13:40] <UpuWork> on ATMega
[13:40] <UpuWork> but note pink LED's
[13:41] <UpuWork> I'll fix the ATmega when I get some solder braid
[13:41] <UpuWork> I was trying to do drag soldering :)
[13:41] <daveake> :)
[13:41] <Darkside> too much solder lol
[13:41] <UpuWork> yeah
[13:41] <Darkside> you only need a tiny amount
[13:41] <Darkside> the solder i'm using is incredibly thin
[13:41] <UpuWork> I know, I don't have a proper tip wiper either its a piece of loo roll which isn't helping
[13:41] <Darkside> eek
[13:42] <Darkside> get a sponge
[13:42] <UpuWork> Its all on order
[13:42] <Darkside> a wet kitchen sponge will be fine
[13:42] <UpuWork> Nah got proper stuff on order just need to get it changes
[13:42] <UpuWork> chased
[13:42] <UpuWork> no 8Mhz crystals either
[13:43] <Darkside> hmm the SMD crystals i have should fit on that foorptint
[13:43] <Darkside> footprint*
[13:43] <UpuWork> they are on order
[13:43] <Darkside> who with?
[13:43] <Darkside> there's a reason i buy 90% of my components from farnell
[13:44] <UpuWork> Farnell
[13:44] <Darkside> lolwut
[13:47] Action: Elwell agrees with kitchen sponges being fine
[13:48] <Elwell> I'll get a proper brass jobbie, but a bit of stolen sponge works for now
[13:48] <Darkside> my hakko came with both
[13:49] <Elwell> if it starts to smell and melt, you;ve left the tip on it too long...
[13:54] <daveake> ^^^ That's an interesting sentence if you don't know the context ....
[13:54] <NigelMoby> lol Dave
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[14:09] <NickB1> daveake, no lassen anymore?
[14:10] <daveake> Not on this one.
[14:11] <NickB1> oh ok
[14:11] <daveake> I used the Lassen because it's quite frugal on power - UBlox5 uses more current.
[14:11] <NickB1> tought you had a bad experience with it
[14:11] <daveake> For Buzz I was trying to keep the power down so I could use AAAs
[14:12] <daveake> No, worked fine.
[14:12] <daveake> Can be temperamental getting a lock to start with, but that just increases the pre-launch excitement :p
[14:13] <NickB1> some adrenaline :)
[14:13] <NickB1> I gave it battery backup
[14:13] <NickB1> it always manages to get a lock within about 1 minut indoors
[14:14] <NickB1> (antenna near a window)
[14:14] <cuddykid> daveake: I'm having some problems with the fet :( but - before I explain any further just thought - does it require 5v (logic) at the gate?
[14:14] <daveake> Buzz1 it took ages. I was beginning to think it was broken. Buzz2 I added a ground plane and it was very quick.
[14:14] <daveake> cuddykid - No I ran mine from a 3V3 Arduino Mini Pro
[14:14] <daveake> Look up the specs on Farnell
[14:15] <cuddykid> daveake: ahh hmm - yep, been looking at the data sheet - you know the diagram with pins (1,2 & 3) is that a look from bottom up or top down?
[14:15] <daveake> Diagram will be from bottom
[14:15] <daveake> Have you got the pin set as output?
[14:16] <daveake> (arduino pin I mean)
[14:16] <daveake> So have you killed one already? :p
[14:16] <cuddykid> daveake: all I'm doing atm is just using 5v and 3.3v pins from arduino (with led) to test :P
[14:16] <cuddykid> daveake: don't think so - it's probably because I'm wiring it up wrong lol
[14:16] <daveake> That's all I did ... used a resistor as a load initially
[14:17] <cuddykid> hmm - will take another look
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[14:57] <Laurenceb_> cuddykid: http://invensense.com/mems/gyro/mpu9150.html
[15:10] <cuddykid> neat
[15:15] <SpeedEvil> Indeed!
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[15:18] <Laurenceb_> looks like the magno might only be 8hz :S
[15:19] <fsphil> ah, ukreg just reset the nameservers for all my domains. how nice of them
[15:19] <SpeedEvil> Does that matter so much if you have a gyro?
[15:19] <BrainDamage> also, it's still a milestone
[15:19] <BrainDamage> soon there'll be better chips, with same integration
[15:21] <SpeedEvil> I wonder if any will soon come with GPS
[15:22] <SpeedEvil> Integrating even a basic GPS could if the IMU were pushed inside the postiion filter do really good things
[15:30] <cuddykid> managed to negotiate £50 off an APM2 - order time
[15:34] <SpeedEvil> :)
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[15:48] <cuddykid> hmm, still can't get this get to work :/
[15:49] <SpeedEvil> Waht's an APM2?
[15:49] <SpeedEvil> radio?
[15:49] <cuddykid> ardupilot mega 2 :)
[15:50] <cuddykid> woah, smokey - that's not a nice smell from the arduino :P
[15:50] <SpeedEvil> ah
[15:50] <SpeedEvil> They should add vanilla.
[15:51] <gonzo__> you let the migic smoke out?
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[15:53] <cuddykid> actually - it was the battery pack- oops :P some wires were touching and shorting 6aas - eek
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[15:54] <fsphil> toasty
[15:55] <SpeedEvil> hawt.
[15:59] <cuddykid> very strange
[15:59] <cuddykid> I'm going to upload 2 photos and see if you guys can spot any wrong wiring that I'm doing :P
[16:01] <cuddykid> have to switch wifi off and go over to 3G for uploading - about 5x upload speed over 3G lol
[16:04] <cuddykid> http://flic.kr/p/bbHwSD <- now shouldn't the LED be off here? the gate pin on the fet isn't even connected?! (row 16 for gate pin)
[16:05] <SpeedEvil> If you don't connect the gate pin, it can be at arbitrary voltages due to charge
[16:05] <SpeedEvil> Or if there is for example a little bit of gunk on the veroboard, and it has a hundred meg impedance
[16:06] <cuddykid> SpeedEvil: I just connected gate up to ground pin on arduino and LED is still on :S
[16:07] <fsphil> odds
[16:07] <fsphil> bottom pin is the gate?
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[16:08] <cuddykid> fsphil: I believe so from the data sheet - http://www.farnell.com/datasheets/1508537.pdf
[16:08] Action: daveake_ wakes up
[16:08] <SpeedEvil> you havern't got it backwards, and the body diode is conducting?>
[16:09] Nick change: daveake_ -> daveake
[16:09] <cuddykid> SpeedEvil: I don't think so - if the diagram on the data sheet referencing the pins is from the bottom up then it should be correct
[16:10] <fsphil> yea it looks the right way
[16:10] <SpeedEvil> Measure the gate-other pin resistance
[16:10] <SpeedEvil> if it's not infinite - you killed it.
[16:11] <SpeedEvil> Assuming it's a MOSFET, not a JFET
[16:11] <daveake> Good job I sent 2 :[
[16:11] <daveake> :p
[16:11] <cuddykid> both are infinite :P
[16:11] <daveake> Build you own chip ... http://www.evilmadscientist.com/article.php/555stool
[16:11] <fsphil> uhoh
[16:12] <fsphil> I must check which mosfets I ordered
[16:12] <fsphil> wire them up to some big power LEDs
[16:12] <SpeedEvil> daveake: cheating.
[16:12] <SpeedEvil> daveake: It's not got a 555 made from discrete components inside.
[16:13] <daveake> :)
[16:29] <cuddykid> no luck :(
[16:31] <daveake> Sorry, I've not seen all the convo, but what have you done so far?
[16:32] <cuddykid> daveake: connected it all up as per data sheet however even when there is 0v going through the gate see this pic ( http://flic.kr/p/bbHwSD ) the led is still on :S
[16:34] <fsphil> does the polarity matter? (not big on mosfets)
[16:34] <fsphil> is the green wire vcc or gnd?
[16:34] <daveake> You only have 2 pins connected?
[16:35] <cuddykid> daveake: yeah the gate pin is unconnected (so led shouldn't be on right?) even when I connect it up to ground though it still remains on
[16:35] <daveake> Short gate to ground
[16:36] <cuddykid> fsphil: green wire is ground
[16:36] <daveake> eh what?
[16:36] <cuddykid> lol
[16:36] <cuddykid> yellow is 5v
[16:36] <daveake> You seem to misunderstand how to connect it then :)
[16:37] <daveake> Pin 1 source to GND
[16:37] <cuddykid> oh lol, yeah, this one has completely befuddled me lol
[16:37] <daveake> Pin 2 drain to LED via resistor. Other side of LED to +ve
[16:37] <daveake> Pin 3 gate to ground=LED off; Pin 3 gate to +ve = LED on
[16:38] <fsphil> oh yes
[16:38] <fsphil> they need to be on the other side of the circuit
[16:39] <cuddykid> ohhh, right I'll try that and report back in a bit :D thanks daveake :)
[16:40] <daveake> Your LED is on because of a protection diode in the FET
[16:41] <cuddykid> ahh
[16:41] <daveake> From pin 1-->2
[16:41] <daveake> Note the word "protection". The designer saw you coming :p
[16:42] <SpeedEvil> -See above comment on 'body diode'
[16:42] <daveake> Noted :)
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[17:25] <cuddykid> APM2 ordered :)
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[17:42] <SAIDias> Howdy
[17:42] Nick change: SAIDias -> W0OTM
[17:44] <Laurenceb_> arg wtf
[17:44] <Laurenceb_> the antenova gps needs the pcb mounting vertically
[17:49] <Laurenceb_> http://www.prweb.com/releases/2012/1/prweb9086654.htm
[17:51] <cuddykid> ping W0OTM
[17:52] <hibby> o/
[17:54] <W0OTM> ping ping
[17:54] <W0OTM> Howdy cuddykid
[17:54] <cuddykid> Hi W0OTM :D
[17:54] <cuddykid> I have a quick question
[17:54] <W0OTM> sure
[17:55] <cuddykid> what gps module are you using with your APM?
[17:58] <W0OTM> https://www.argentdata.com/catalog/product_info.php?cPath=23&products_id=144&osCsid=ma9cfft19dbm03d8p605h9nig5
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[18:08] <cuddykid> thanks! W0OTM :)
[18:10] <W0OTM> cuddykid: whats ya doing with an APM?
[18:11] <cuddykid> W0OTM: currently working on a similar project to your balloomerang :) just ordered an APM2 and planning to use a flying wing - I saw there's a fair few people on diydrones that are attempting similar projects
[18:11] <SpeedEvil> uiiuyh[oyu
[18:12] <W0OTM> cuddykid: APM doesn't work about 7,000 ft
[18:12] <W0OTM> above*
[18:12] <cuddykid> W0OTM: is that software restriction?
[18:12] <W0OTM> cuddykid: no
[18:13] <cuddykid> is it the stock gps that prevents that?
[18:13] <W0OTM> cuddykid: we are looking into a different AutoPilot
[18:13] <W0OTM> cuddykid: no
[18:13] <cuddykid> oh :S that's not good.. hmm
[18:14] <W0OTM> cuddykid: air pressure sensor fails at 5,000ft, and multi axis sensor fails about about 7,000ft
[18:15] <cuddykid> yeah - just reading your diydrones post now
[18:15] <cuddykid> hmm
[18:15] <cuddykid> I wonder if the problem is still present with APM2 sensors?
[18:15] <W0OTM> Dunno
[18:16] <W0OTM> we have lost 2 airframes thus far, and not flying another airframe till we asses the issues, and do additional tests
[18:16] <cuddykid> very odd - there doesn't seem to be any obvious hardware limitation
[18:16] <cuddykid> W0OTM: oh, that's not good :(
[18:17] <W0OTM> we are planning a traditional HAB launch with the APM powered up in the payload, We are looking to get consistent failure data
[18:17] <W0OTM> LOL, never that I would say that.......consistent failure data
[18:18] <cuddykid> that's a good idea - lol
[18:19] <cuddykid> I hope it's fixed in APM2 - I'll let you know - but that will be a couple of months away yet. Will try and send it up on my next launch
[18:20] <Upu> http://imagebin.org/193249
[18:20] <Upu> new toy :)
[18:21] <cuddykid> a work of art Upu :D
[18:21] <Upu> wouldn't go that far :)
[18:21] <cuddykid> haha
[18:21] <W0OTM> cuddykid: APM2?
[18:21] <Upu> what is an APM2 ?
[18:21] <cuddykid> ardupilot mega 2
[18:21] <Upu> oh
[18:21] <W0OTM> when is it released?
[18:21] <cuddykid> the new one they've just made
[18:21] <Upu> its my own design
[18:21] <cuddykid> on pre-order now
[18:21] <W0OTM> whats the difference?
[18:22] <cuddykid> W0OTM: current lead time is around 6 weeks I believe
[18:22] <cuddykid> everything is on the board - comes integrated with IMU sensors and GPS
[18:22] <Upu> sort of an Arduino Pro but with pyro circuit, NTX2, GPS and temp on it
[18:22] <Upu> HABduino ?
[18:23] <cuddykid> that sounds cool
[18:23] <Upu> I'm working on a pico version
[18:23] <Upu> which is about half the size of that one
[18:24] <cuddykid> W0OTM: https://store.diydrones.com/APM_2_0_Kit_p/br-ardupilotmega-03.htm
[18:24] <Upu> interesting
[18:24] <Upu> $199.95 ?
[18:24] <Upu> wow
[18:24] <Upu> sure I could do that for cheaper
[18:25] <cuddykid> cheaper than APM1 when you add on IMU board - but still fairly expensive
[18:25] <Upu> looks good though
[18:25] <Upu> damn thats interesting
[18:25] <cuddykid> ordered one for £121 (incl delivery) a few mins ago
[18:26] <Upu> I've been bitching all day about the ICSP connector being really bulky
[18:26] <Upu> and they have picked the Molex one
[18:26] <Upu> very interesting
[18:26] <Upu> looks good in purple :)
[18:31] <cuddykid> I'm guessing& because the stock gps on APM2 is limited to 18km - it should be ok just to reboot the GPS once that alt has been reached - there isn't much "air" above 18km anyway for stable flight
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[18:34] Action: griffonbot is GriffonBot [http://github.com/ssb/griffonbot]
[18:34] Action: griffonbot is following: #ukhas #cusf #atlasballoon #projecthorus
[18:34] Action: griffonbot is tracking emails sent to ukhas@googlegroups.com
[18:36] <number10> I like your new AVA PCB Upu
[18:39] <Laurenceb_> :-/
[18:39] <Laurenceb_> did he get the antenova working?
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[18:43] <Upu> yes he did Laurenceb
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[18:45] Action: griffonbot is GriffonBot [http://github.com/ssb/griffonbot]
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[18:47] <griffonbot> @Daniel_Richman: #ukhas griffonbot fix? (testing) [http://twitter.com/Daniel_Richman/status/157534060955181056]
[18:47] <fsphil> yay
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[19:00] <griffonbot> @apexhab: #apexhab testing apexbot! #ukhas [http://twitter.com/apexhab/status/157537477429706753]
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[19:10] <Laurenceb_> Upu: i dont get it
[19:10] <Laurenceb_> <Doblao> lol..u looks like the diplomatic side of dongs..:)
[19:10] <Laurenceb_> oops
[19:10] <Laurenceb_> http://uk.mouser.com/ProductDetail/Antenova/M10382-U1/?qs=sGAEpiMZZMsjLMBIknjmkjf%252bIBIApna6lV0BSe9o7y4%3D
[19:10] <Laurenceb_> it has to be mounted 'end up'?
[19:10] <Laurenceb_> page 19 of the datasheet is confusing me
[19:11] <Upu> No idea Laurenceb
[19:11] <Laurenceb_> i dont see how that would work
[19:12] <Laurenceb_> the radiation sort of "curls" round the pcb or something
[19:12] <Upu> Need a bigger picture
[19:12] <Laurenceb_> http://www.google.com/url?sa=t&rct=j&q=m10382-a1%20datasheet%20filetype%3Apdf&source=web&cd=2&ved=0CCwQFjAB&url=http%3A%2F%2Fwww.antenova.com%2FProduct%2520Specs%2FM10382_11MD-0043-1-PS.pdf&ei=j74OT5D-G4HMhAfzvZSLAg&usg=AFQjCNHd7IJ1fFnAA9lPTLjTpdLhZ51VwA&cad=rja
[19:13] <Upu> interesting
[19:14] <Upu> certainly looks more robust than a Sarantel hanging off the end
[19:15] <Upu> yeah looks like it has to go vertical
[19:15] <Laurenceb_> i dont see how the rf gets to it
[19:15] <Upu> interesting
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[19:15] <Upu> magic
[19:15] <Laurenceb_> looks pretty weird
[19:15] <fsphil> we could probably put a short cable on the sarantel
[19:15] <Upu> I'll stick to the Sarantel
[19:15] <Laurenceb_> yeah a ufl cable would fit on a Sarantel
[19:16] <Upu> looks a bitch to solder too
[19:16] <SpeedEvil> it does seem odd.
[19:16] <SpeedEvil> I'd want clarification on that antenna pattern
[19:16] <Laurenceb_> yeah
[19:16] <Laurenceb_> its not clear where 90 degrees is
[19:16] <SpeedEvil> It seems a lot more logical if it's simply showing the 'flat' pattern
[19:16] <Laurenceb_> the total effective aperture in the vertical axis is tiny
[19:16] <Upu> afk cooking
[19:17] <Laurenceb_> the antenni seems to be a PIFA type device to me
[19:17] <Laurenceb_> and they radiate at 90 degrees to their plane
[19:18] <Laurenceb_> it looks like some sort of weird PIFA/F hybrid to me
[19:18] <Laurenceb_> that would explain why its so small without using high K ceramic/polymer
[19:20] <Laurenceb_> http://accessscience.com/loadBinary.aspx?filename=YB041040FG0010.gif
[19:20] <Laurenceb_> its type b)
[19:21] <Laurenceb_> crazy PIFA-type-thing for circular polarization
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[19:22] <SpeedEvil> That reminds me of
[19:22] <SpeedEvil> http://antenova.com/Documents/GPS_RADIONOVA_M10300_21Sept09.pdf
[19:22] <SpeedEvil> Which I just looked at
[19:22] <SpeedEvil> (the slightly older one)
[19:24] <Laurenceb_> even more crazy
[19:25] <Laurenceb_> http://www.cst.com/CMS/images/article382/figure04.png
[19:26] <Laurenceb_> more like id expect
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[19:28] <Laurenceb_> http://www.google.com/url?sa=t&rct=j&q=pifaradiation%20pattern&source=web&cd=1&ved=0CCUQFjAA&url=http%3A%2F%2Fece.wpi.edu%2Fant%2FPPL%2Fpifa%2Fbasic_pifa.doc&ei=-jMPT7TpB8i18QPXw_XvAw&usg=AFQjCNHkHh88dgdMnv5cjc__0EsfQ5Yk1A&cad=rja
[19:28] <Laurenceb_> arg google
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[19:50] Action: cuddykid rewires the fet..
[19:51] <fsphil> any progress?
[19:53] <cuddykid> nope, switched them and nothing - now led won't turn on at all :S
[19:55] <cuddykid> :/
[19:56] <cuddykid> ping daveake_
[19:57] <daveake_> LED wrong way round?
[19:57] <number10> led has limiting resistor?
[19:57] <cuddykid> lol - yup
[19:58] <number10> get a refund ;)
[19:58] <daveake_> lol
[19:58] <cuddykid> daveake_: that's embarrassing!
[19:59] <number10> or take a picture and post connections
[19:59] <daveake_> cuddykid - what? The LED was the wrong way round? It works now?
[19:59] <cuddykid> daveake_: yup, works a treat now!
[20:00] <cuddykid> thanks for all your help!
[20:00] <number10> still try and get a refund
[20:00] <daveake_> It was a fair bet .... you had the FET reversed earlier but the LED correct so I figured you'd reversed everything :D
[20:01] <cuddykid> yup - the amount of combinations I've tried!
[20:01] <daveake_> If only I could figure out my own cock-ups so quickly :p
[20:01] <cuddykid> haha
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[20:05] <Laurenceb_> the antenni i linked would be useful for HAB
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[20:06] <SpeedEvil> http://www.ultramet.com/propulsionsystem_components_liquid_rocket.html
[20:06] <SpeedEvil> Shiny.
[20:07] <SpeedEvil> (in at least three senses)
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[20:12] <Hiena> SpeedEvil: Nice, On or two from that covers my 10 year budget. :)
[20:13] <SpeedEvil> It's a damn shame that Pt/Ir is somewhat expensive.
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[20:14] <SpeedEvil> I mean - there is a chance of making stuff out of CF, Nb, ...
[20:14] <SpeedEvil> But when you start out at raw materials being 50K, and it's probably not going to work the first few dozen times.
[20:15] <SpeedEvil> And making the thing being a complete bitch.
[20:16] Action: SpeedEvil rofls.
[20:16] <SpeedEvil> ' By using the unique flow distributing properties of rhenium foam, regeneratively cooled combustion chambers can be made at a fraction of the cost of traditional brazed tube chambers. '
[20:16] <SpeedEvil> Because rhenium foam is so cheap!
[20:17] <SpeedEvil> http://www.ultramet.com/propulsionsystem_components_liquid_rocket.html
[20:17] <SpeedEvil> The porous transpiration cooled engine is interesting
[20:18] <SpeedEvil> That looks almost DIY-able
[20:26] <fsphil> lol cuddykid, I've done that
[20:26] <fsphil> but don't tell anyone
[20:27] <daveake_> Your secret is safe here :)
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[20:29] <cuddykid> haha
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[20:41] Nick change: cuddykid_ -> cuddykid
[20:42] <cuddykid> 668ms ping - :O wtf
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[20:42] <fsphil-laptop> you connected with string?
[20:42] <Lunar_Lander> hello
[20:42] <fsphil-laptop> hiya Lunar_Lander
[20:42] <cuddykid> fsphil-laptop: no, I think people are relaying it by voice :S lol
[20:42] <fsphil-laptop> haha
[20:42] <fsphil-laptop> smoke signal binary
[20:43] <cuddykid> this is after a restart of router!
[20:43] <cuddykid> calls for yet another restart
[20:44] <Lunar_Lander> hi fsphil-laptop cuddykid
[20:45] <fsphil-laptop> how's things today Lunar_Lander?
[20:45] <Lunar_Lander> I'm good, thanks and you?
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[20:46] <cuddykid_> 44ms now :D that's better
[20:46] <fsphil-laptop> just a bit
[20:46] <fsphil-laptop> all fun here Lunar_Lander :)
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[20:49] Nick change: cuddykid_ -> cuddykid
[20:49] <Lunar_Lander> that is nice to hear
[20:49] <Lunar_Lander> :)
[20:49] <cuddykid> right - for some weird reason the xbox is obliterating my ping
[20:49] <cuddykid> when it connects it goes from 44ms to some absurd number in the many hundreds!
[20:51] <fsphil-laptop> isp interfering?
[20:51] <cuddykid> never usually does :S
[20:52] <cuddykid> 1st time this has ever happened
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[21:01] <Lunar_Lander> fsphil-laptop: how is ballooning doing?
[21:01] <fsphil-laptop> took a break from that Lunar_Lander :) though getting back into the programming now
[21:02] <Lunar_Lander> yeah
[21:03] <fsphil-laptop> how's your own now?
[21:04] <Lunar_Lander> I'm planning to try working with the GPS on the weekend
[21:05] <fsphil-laptop> ah yes
[21:05] <fsphil-laptop> that bit is always fun
[21:06] <Lunar_Lander> yeah
[21:06] <fsphil-laptop> I need to start making the payload box for the next one
[21:06] <fsphil-laptop> or maybe I should wait until I've all the bits
[21:07] <fsphil-laptop> should be flying the swift board
[21:07] <fsphil-laptop> and hopefully a gopro
[21:07] <fsphil-laptop> oh, could someone change the channel topic
[21:08] <Lunar_Lander> yea
[21:09] <Lunar_Lander> I am still thinking about imaging
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[21:10] <fsphil-laptop> whether to have it or not? or what camera?
[21:11] <Lunar_Lander> yeah both
[21:11] <fsphil-laptop> always worth having something, even if it's a tiny camera
[21:11] <Lunar_Lander> yea
[21:11] <Lunar_Lander> I still got that 808 spycam
[21:11] <Lunar_Lander> bought that because Tim had it
[21:11] <Lunar_Lander> but it dies after one hour
[21:12] <fsphil-laptop> that's true
[21:12] <fsphil-laptop> they can be modified but it's not easy
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[21:12] <fsphil-laptop> the video quality isn't great anyway
[21:12] <Lunar_Lander> yea
[21:12] <daveake_> nope
[21:12] <Lunar_Lander> btw
[21:13] <Lunar_Lander> now they are sold with a big "Hyundai" print on them
[21:14] <daveake_> They could be sold with "Ferrari" on them; they'll still be crap
[21:14] <Lunar_Lander> yeah
[21:14] <Lunar_Lander> only that now the price has increased
[21:15] <Laurenceb_> SpeedEvil: you can buy metal foam for sanish costs
[21:16] <Lunar_Lander> do you have the supermarket chain Netto in the UK?
[21:16] <SpeedEvil> Laurenceb: probably not rhenium foam
[21:16] <Laurenceb_> lol
[21:16] <fsphil-laptop> none near me Lunar_Lander
[21:16] <Laurenceb_> i seem to remeber seeing one once
[21:16] <Laurenceb_> there might be a few
[21:16] <fsphil-laptop> it's all lidl and aldi here
[21:17] <Lunar_Lander> yeah
[21:17] <Lunar_Lander> here, Netto has a small HD camcorder
[21:18] <Lunar_Lander> but I suspect the HD is made by scaling or stuff
[21:18] <fsphil-laptop> heh, like those 640x480 "HD" webcams
[21:18] <Lunar_Lander> xD
[21:18] <fsphil-laptop> sorry HD*
[21:18] <daveake_> Hazy Definition
[21:18] <fsphil-laptop> yea
[21:20] <fsphil-laptop> I'm wondering, since ax.25 can carry IP -- can we have an internet connected balloon
[21:20] <Upu> walk before you run ?
[21:20] <fsphil-laptop> lol
[21:22] <daveake_> cloud2.hab.org .... 404 Not Found
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[21:25] <Lunar_Lander> how much is a GoPro?
[21:26] <eroomde> $199 ^
[21:27] <Lunar_Lander> yea
[21:30] <Lunar_Lander> expensive
[21:34] <fsphil-laptop> they are
[21:34] <fsphil-laptop> but oooh so good
[21:34] <fsphil-laptop> I was taking to a friend who's going to take mine diving
[21:35] <fsphil-laptop> well I might, I'm not that great with scuba gear.
[21:35] <Lunar_Lander> yea
[21:35] <fsphil-laptop> it's very claustrophobic
[21:35] <Lunar_Lander> you could stand on the beach and sing "all together now" by the farm
[21:35] <fsphil-laptop> not my choice of song lol
[21:35] <fsphil-laptop> I could just go snorkelling
[21:36] <Lunar_Lander> xD
[21:36] <fsphil-laptop> next time I'm at the beach I'll bring it along
[21:36] <Lunar_Lander> yea
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[21:41] <Lunar_Lander> wb cuddykid
[21:48] <joph> eroomde, there's a second version which is better ;)
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[21:54] <fsphil-laptop> brrrr it's freezing outside
[21:55] <Lunar_Lander> yea
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[21:59] <Lunar_Lander> COOL http://www.futurespaceusa.com/pwr_smoke_and_fire.html
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[22:09] <fsphil-laptop> what is it Lunar_Lander ?
[22:10] <Lunar_Lander> basically ULAs launches in 2011
[22:10] <Lunar_Lander> Delta IV, II, Atlas V and the final three Space Shuttle launches
[22:10] <Lunar_Lander> in one video
[22:10] <Lunar_Lander> and the site is by Pratt & Whitney Rocketdyne
[22:10] <fsphil-laptop> nice
[22:10] <Lunar_Lander> yea
[22:11] <fsphil-laptop> youtube's not working tonight for me for some silly reason
[22:11] <Lunar_Lander> I also like the ad they made
[22:11] <Lunar_Lander> http://www.futurespaceusa.com/smoke_fire.html
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[23:10] <Laurenceb_> http://www.google.com/url?sa=t&rct=j&q=ultra%20wideband%20thermometer%20microwave&source=web&cd=14&ved=0CDoQFjADOAo&url=http%3A%2F%2Fwww.natgeo.lu.se%2Fex-jobb%2Fexj_174.pdf&ei=YmcPT6bYKMrE8QOersT_Aw&usg=AFQjCNEDx4mc5xsDgMh1GxiPcpCym27wEQ&cad=rja
[23:10] <Laurenceb_> interesting
[23:10] <Laurenceb_> i hate google
[23:10] <Laurenceb_> wonder if you could do something like that with balloons
[23:13] <Laurenceb_> oh wait nvm - i thought they were doing it remotely
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[23:23] <eroomde> :q
[23:23] <eroomde> logout
[23:23] <eroomde> ah bums
[23:23] <eroomde> brain has abandoned ship
[23:24] <Darkside> lol
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[23:27] <fsphil-laptop> I did a :q in a terminal yesterday. a first for me :)
[23:28] <polycarbonate1_> haha, I have a bash alias for it
[23:28] <fsphil-laptop> lol
[23:28] <Lunar_Lander> damn
[23:28] <Lunar_Lander> new youtube is shit
[23:28] <polycarbonate1_> yeah
[23:28] <Lunar_Lander> I watched "All Together now" by the Beatles
[23:28] <Lunar_Lander> and the sidebar has a showering scene from the Portugese big brother show
[23:29] <fsphil-laptop> yea it's really gone down the tubes
[23:29] <fsphil-laptop> I get big brother crap recommended too
[23:29] <Lunar_Lander> I really hope that I won't run into porn or stuff there
[23:29] <fsphil-laptop> it's the internet, it'll happen eventually
[23:30] <Lunar_Lander> yea
[23:30] <fsphil-laptop> or so I've been told
[23:30] <Lunar_Lander> but it would kill YT's reputation
[23:31] <Lunar_Lander> well I mean
[23:31] <Lunar_Lander> there is Gronkh, a well known German Let's Player
[23:31] <Lunar_Lander> he got a video deleted that showed Minecraft 1.9
[23:31] <Lunar_Lander> and when he talked with YT about it, they all of sudden gave him a Strike
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[23:32] <fsphil-laptop> nuts
[23:32] <Lunar_Lander> ah I remember
[23:32] <Lunar_Lander> he did an Adfly link
[23:33] <Lunar_Lander> and appearently YT didn't like that
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[23:43] <fsphil-laptop> night all
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[00:00] --- Fri Jan 13 2012