highaltitude.log.20120225

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[00:15] <Laurenceb_> argg
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[00:16] <Laurenceb_> i cant route the RX_EN pin on the SE4120
[00:16] <Laurenceb_> its between LNA out and MIX in pins, wtf
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[00:23] <griffonbot> Received email: Josh Taylor "[UKHAS] Re: New project to follow!"
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[00:29] <Lunar_Lander> hello Zuph
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[01:00] <nigelvh> Lunar_Lander: you still 'round?
[01:00] <Lunar_Lander> yes
[01:01] <nigelvh> Good deal. Fixed my server. Here's those rocketry photos I said I'd grab for you. www.k7nvh.com/BlackRock.zip
[01:01] <Lunar_Lander> cool
[01:02] <Lunar_Lander> downloading
[01:02] <Lunar_Lander> will tell you when it is done
[01:02] <nigelvh> No problem. I'm sure there will be questions, so just reference which one you're looking at and I'll explain them.
[01:03] <nigelvh> It's certainly not all of them, but a small selection of good ones.
[01:03] <Lunar_Lander> yeah
[01:03] <Lunar_Lander> I see the port-a-pottys
[01:04] <nigelvh> Yep
[01:04] <Lunar_Lander> on sparkfun was a video showing them
[01:04] <Lunar_Lander> is that with Maverick?
[01:04] <nigelvh> Maverick?
[01:04] <Lunar_Lander> ah there was a guy and he said that he is the head of Maverick Rockets or so
[01:04] <nigelvh> Nope, we do our own stuff
[01:04] <Lunar_Lander> ah
[01:04] <nigelvh> University of Washington
[01:05] <Lunar_Lander> Tom Atchinson his name was
[01:05] <Lunar_Lander> ah
[01:05] <Lunar_Lander> Atchison
[01:05] <Lunar_Lander> I see the group photo
[01:06] <Lunar_Lander> there is an orange rocket, a black one with W , a black-blue one, a pink one and about five more held by people
[01:06] <Lunar_Lander> so you got 9 rockets?
[01:06] <nigelvh> More than that. Not all of them are pictured.
[01:06] <Lunar_Lander> ah
[01:06] <nigelvh> We build at least four or five new ones a year, and re-fly a lot of the old ones.
[01:06] <Lunar_Lander> cool
[01:07] <Lunar_Lander> there is a red rocket with a green flame
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[01:07] <nigelvh> Yeah, that ones a cluster. The main didn't actually light, and the two green flames you see are the smaller side motors.
[01:07] <Lunar_Lander> oh ok
[01:08] <Lunar_Lander> now I see the launch box
[01:08] <Lunar_Lander> there is a power switch and green, yellow, red and blue buttons
[01:08] <nigelvh> I'm particularly pleased with my choice of arcade buttons.
[01:08] <Lunar_Lander> yeah :)
[01:08] <Lunar_Lander> what do they do?
[01:09] <nigelvh> Green is enable, then yellow, red, and blue each control a relay, so you can have them do most anything. On a normal rocket we just use red for fire, on a hybrid yellow will be fill, and blue will be dump, on the rockoon, blue will be cutdown
[01:10] <Lunar_Lander> cool!
[01:10] <Lunar_Lander> so you have to hit green and then red for a normal flight?
[01:11] <nigelvh> Yeah
[01:11] <Lunar_Lander> and on the hybrid, green, yellow, red and on abort green, yellow (abort decision), blue
[01:11] <nigelvh> Also you'll note there's two leds for each button. One comes on as the button is pressed, the other comes on when the receive box sends a confirmation.
[01:12] <Lunar_Lander> yeah that was what I wanted to ask
[01:12] <Lunar_Lander> and for rockoons, you have green, blue, red?
[01:13] <nigelvh> Yeah, unless they decide to add something else. I designed it to be pretty flexible in use.
[01:14] <Lunar_Lander> cool
[01:14] <Lunar_Lander> sorry about the questions, since I learned the details of apollo, I am somehow highly interested in instrument panels
[01:14] <nigelvh> No problem.
[01:15] <Lunar_Lander> yea
[01:15] <Lunar_Lander> the landscape is awesome!
[01:15] <Lunar_Lander> and the onboard photos
[01:15] <Lunar_Lander> what camera do you use?
[01:15] <nigelvh> I figure that's part of what this channel is about. Geeking out over cool stuff.
[01:15] <Lunar_Lander> yeah
[01:15] <nigelvh> Generally we just use those cheap keychain cameras
[01:16] <Lunar_Lander> ah
[01:16] <Lunar_Lander> the 808
[01:16] <Lunar_Lander> :
[01:16] <Lunar_Lander> :)
[01:16] <Lunar_Lander> they are quite cool I think
[01:17] <nigelvh> Yeah, we just tend to destroy stuff, so it's not worth sticking anything worthwhile on there.
[01:17] <Lunar_Lander> yeah
[01:17] <Lunar_Lander> there was that video on sparkfun as I said and one man had a rocket that looked like a V2
[01:17] <Lunar_Lander> and the speaker said that there was a parachute malfunction
[01:17] <Lunar_Lander> and there were people standing around a crater
[01:18] <nigelvh> Yeah, we occasionally bury ours.
[01:18] <Lunar_Lander> ah
[01:19] <Lunar_Lander> and sometimes you do experiments as you already said
[01:20] <nigelvh> Yeah. Like I mentioned, we do our own telemetry systems, so we get a lot of advantages over the cheap commercial altimeters.
[01:20] <Lunar_Lander> yeah
[01:20] <Lunar_Lander> and RTTY is the same the balloons use
[01:20] <Lunar_Lander> :)
[01:20] <Darkside> nigelvh: have you guys heard of the telemetrum?
[01:20] <Lunar_Lander> do you launch rockoons often?
[01:21] <nigelvh> This is our first year with the rockoon. We tried last year, but couldn't get permission from the FAA.
[01:21] <Darkside> has anyone ever launched a rockoon?
[01:21] <nigelvh> Darkside: I don't believe I have.
[01:21] <Lunar_Lander> ah
[01:21] <Lunar_Lander> James Van Allen did a great rockoon project in the Pacific
[01:22] <Lunar_Lander> six flights but only five and six had a successful rocket
[01:22] <Darkside> van allen van allen?
[01:22] <Lunar_Lander> a five-stager IIRC
[01:22] <Lunar_Lander> yeah the cosmic ray guy
[01:22] <Darkside> heh cool
[01:22] <Lunar_Lander> the rocket reached some 6000 km
[01:22] <Lunar_Lander> IIRC
[01:22] <Lunar_Lander> Project Farside I think
[01:23] <Darkside> http://en.wikipedia.org/wiki/Rockoon
[01:23] <Darkside> wow
[01:23] <nigelvh> Yeah, that's a little beyond our budget.
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[01:26] <Lunar_Lander> http://www.astronautix.com/lvs/farside.htm
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[01:27] <Lunar_Lander> https://www.youtube.com/watch?v=N8KrEvT-wYQ
[01:28] <nigelvh> That's interesting that they just blasted through the balloon.
[01:29] <nigelvh> Our goal is to leave the balloon intact.
[01:29] <Lunar_Lander> yeah
[01:29] <Darkside> http://www.jpaerospace.com/rockoons.html
[01:30] <Lunar_Lander> looks good
[01:30] <Darkside> lol the launching system of farside is cool
[01:30] <nigelvh> Yeah, that's a neat cart they got there.
[01:30] <Darkside> looks like a fun ride too
[01:31] <Lunar_Lander> xD yeah
[01:31] <nigelvh> Yeah
[01:31] <Lunar_Lander> but the HERCULES at Esrange is cool too
[01:31] <Lunar_Lander> but they got that at the other balloon sites too nowadays
[01:32] <Lunar_Lander> http://www.jpaerospace.com/combination_9.htm
[01:32] <Lunar_Lander> book looks interesting
[01:32] <Lunar_Lander> if it is something good
[01:32] <Lunar_Lander> and not crazy stuff
[01:36] <nigelvh> Anyway, I gotta head out, but I figured I'd hop on and send those over to you, for your perusal.
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[01:39] <Lunar_Lander> Darkside: how is australia at the moment?
[01:40] <Darkside> hot
[01:40] <Lunar_Lander> yeah
[01:40] <Lunar_Lander> I got a friend, she does work & travel there
[01:40] <Darkside> 38.5 degrees outside atm
[01:40] <Lunar_Lander> in sydney
[01:40] <Lunar_Lander> she said she likes it
[01:41] <Lunar_Lander> yeah
[01:41] <Lunar_Lander> btw may I ask a stupid question?
[01:42] <Lunar_Lander> I read a book in which a woman travelled to AUS and because she took some cheese from the plane with her, she got massive trouble
[01:42] <Lunar_Lander> is that true?
[01:42] <Lunar_Lander> the trouble was something about hygiene
[01:42] <Lunar_Lander> or so
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[01:43] <Lunar_Lander> Darkside
[01:46] <SpeedEvil> Google cheese import restrictions australia
[01:47] <SpeedEvil> http://www.daff.gov.au/aqis/travel/entering-australia/cant-take
[01:47] <Lunar_Lander> ah thanks
[01:48] <Lunar_Lander> I theorized that australia would try to keep illnesses out as it is physically isolated being an island
[01:48] <Lunar_Lander> is that true?
[01:48] <SpeedEvil> yes
[01:48] <Lunar_Lander> ah
[01:48] <SpeedEvil> As does the UK - sorta.
[01:48] <SpeedEvil> But we don't do it properly.
[01:48] <Lunar_Lander> ah
[01:49] <Lunar_Lander> but what about imported foods?
[01:49] <Lunar_Lander> or doesn't australia import stuff like that?
[01:49] <Lunar_Lander> ah well
[01:49] <SpeedEvil> Some foods can carry pathogens.
[01:49] <Lunar_Lander> it says "noodles-not commercially made"
[01:49] <Lunar_Lander> yeah
[01:49] <SpeedEvil> Which vary from annoying, to major financial impact.
[01:50] <Lunar_Lander> there actually was a documentary about german customs where they had crazy stuff
[01:50] <Lunar_Lander> don't know why people order that
[01:50] <Lunar_Lander> like meat from Africa
[01:50] <Lunar_Lander> in the mail!!!
[01:50] <Lunar_Lander> or some unidentifiable stuff from China
[01:50] <Lunar_Lander> they said that this is immediately destroyed
[01:50] <Lunar_Lander> because of biological safety reasons
[01:51] <SpeedEvil> Many livestock diseases can be spread this way
[01:51] <Lunar_Lander> yeah
[01:51] <SpeedEvil> Foot and mouth for example.
[01:51] <Lunar_Lander> yea
[01:51] <SpeedEvil> http://en.wikipedia.org/wiki/Foot_and_mouth#Transmission
[01:52] <Lunar_Lander> yea
[01:52] <Lunar_Lander> understandably that australia tries to avoid that
[01:52] <SpeedEvil> And for extra fun, there are new diseases.
[01:52] <SpeedEvil> http://en.wikipedia.org/wiki/Schmallenberg_virus
[01:52] <Lunar_Lander> well germany does too to some extent
[01:52] <Lunar_Lander> cool
[01:52] <Lunar_Lander> right in front of my door
[01:54] <Lunar_Lander> damn
[01:55] Action: Lunar_Lander kicks that virus
[01:56] <Lunar_Lander> the ignorance of people is also astonishing SpeedEvil
[01:56] <Lunar_Lander> when H1N1A rose, people thought it would only be a marketing trick after H5N1 didn't do big damage
[01:56] <Lunar_Lander> some idiots even spread shit like microchips in the vaccination
[02:01] <Lunar_Lander> yea
[02:01] <Lunar_Lander> OHH Darkside
[02:01] <Lunar_Lander> it says 10 years in jail for failing to declare
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[02:13] <Lunar_Lander> Darkside: can you hear me on this frequency?
[02:15] <Pavix> Do you folks just use AA's in your still cameras or do you connect external battery packs instead?
[02:20] <Darkside> Lunar_Lander: too much qsb
[02:20] <Lunar_Lander> oh
[02:31] <Lunar_Lander> Darkside: so I only have to look at just bringing clothing to AUS and everything is good?
[02:34] <Darkside> i have no idea what you are on about
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[02:36] <Lunar_Lander> I am about the stuff that you can head to jail if you fail to do everything right
[02:37] <Darkside> i have nfi
[02:37] <Lunar_Lander> oh ok
[02:37] <Lunar_Lander> sorry
[02:39] <Lunar_Lander> Darkside: to get back on topic, when is your next launch planned?
[02:44] <Lunar_Lander> I got a date
[02:44] <Lunar_Lander> not later than May 31st
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[02:50] <Lunar_Lander> well good night
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[09:01] <nosebleedkt> yo all :p
[09:07] <daveake> Ah, well since everyone else is asleep, yo!
[09:07] <fsphil> haha, you said yo!
[09:07] <daveake> So did yo
[09:07] <daveake> u
[09:10] <fsphil> oh
[09:11] <nosebleedkt> :)
[09:12] <nosebleedkt> fsphil: im playing with the cam and saving on fat32 microsd :) I guess I will have your pics sometime later.
[09:12] <fsphil> oh ta
[09:12] <fsphil> https://github.com/fsphil/ssdv
[09:12] <fsphil> this has support for the other subsampling modes
[09:13] <fsphil> it's not avr code but it should be simple to port
[09:13] <fsphil> brb
[09:13] <nosebleedkt> I have formatted the microsd with fat32 with default allocation unit size of 512b. Now I want to write the code to write chunks of 512b length
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[09:35] <fsphil> I need to squeeze the callsign into that header somehow
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[09:39] <nosebleedkt_> fsphil drop stuff in jpeg's comment fields
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[09:39] <fsphil> it's not jpeg once it's encoded
[09:40] <fsphil> there is no comment field
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[09:43] Nick change: G0DJA -> Morseman
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[09:49] <costyn> morning peeps
[09:50] <Hiena> microwaved pees
[09:50] <Hiena> +p
[09:50] <costyn> Tim is launching tommorow from north holland; haven't seen an official announcement to the ukhas list yet (not sure why), but if anyone is interested in tracking I'll see if I can get more details from him. I'm helping him out with the launch and acting as chase car driver
[09:51] <fsphil> wonder if I should try from the mountain
[09:52] <Darkside> i await the 12km altitude beagleboard failure with bated breath
[09:52] <fsphil> actually yea I won't bother
[09:52] <fsphil> it's hopefully better insulated this time
[09:53] <Darkside> still, i hope he has a backup payload
[09:53] <Darkside> that doesn't fail to
[09:53] <Darkside> too*
[09:53] <costyn> hehe I'm not sure what he's using this time; there's a lot of camera's going along apparently
[09:53] <number10> what yagi do you have fsphil ?
[09:53] <costyn> he's being a bit vague on the details so far
[09:54] <Darkside> he's probably still putting the payload together
[09:54] <Darkside> (i've done that before)
[09:54] <fsphil> number10, 2x 11-el diamons
[09:54] <costyn> said it was ready to go this morning
[09:54] <fsphil> diamonds*
[09:55] <Morseman> East is a good direction for me - any idea which frequency?
[09:56] <costyn> Morseman: not yet, I'll give him a call in a bit, see if I can get more details
[09:56] <Morseman> OK and if there's a start IARU locator that would help initial beam settings of course
[09:58] <fsphil> aah you have a proper setup there then
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[10:02] <Morseman> 13 element G4CQM Yagi/Uda on a rotator.
[10:02] <Morseman> But horizontally polarised
[10:02] <Darkside> quick, get out there and turn them :P
[10:03] <Morseman> Darkside Plans to use that horizontal and put up a new Wimo for 70cm for 'normal' use
[10:03] <SpeedEvil> Based on the assumption that the beagleboard failure is due to the PLL not being recalibrated on changes in temperature - it should be quite possible to simply power cycle it, and have it come back up
[10:04] <Morseman> The wimo is built but been in garage all winter waiting for better weather!
[10:04] <Morseman> Beagleboard... Anything to do with the other Beagle?
[10:04] <Darkside> haha
[10:04] <Darkside> both failed?
[10:04] <fsphil> they both fail to transmit after landing? :)
[10:05] <costyn> SpeedEvil: well seeing as it happened 2 times before, I don't think he'll use the exact same setup again, or he'll have found a workaround. It's not sending down live images, so it might just be a simple avr this time
[10:05] Action: daveake 's plan to buy some RG213/U at Maplin today thwarted by their price of £6.19 *per metre*
[10:05] <Morseman> That's waht I was wondering...
[10:05] <costyn> Darkside: yea 2 times same "freeze" :)
[10:05] <Morseman> Maplin always were more expensive...
[10:05] <daveake> I'll just shorten by RG58 for Sunday, and order som 213 online
[10:05] <SpeedEvil> costyn: fair enough.
[10:06] <Morseman> I may hack off the excess from my 70cm feeder as well. If I can find a new N connector
[10:08] <Morseman> Sometimes able to retrieve old one but getting solder out of central pin can be tricky
[10:08] <Morseman> Hols it steady with pliers and use a solder sucker sometimes works
[10:08] <Morseman> Hold - even
[10:09] <Morseman> What program will be needed to decode the AVI?
[10:10] <Morseman> If needs a special program is it available to download anywhere?
[10:10] <number10> what made you decide in th 213 instead of the westflex103 daveake
[10:11] <griffonbot> Received email: T Zaman "[UKHAS] Launch Sunday 26 feb from Holland"
[10:11] <costyn> well there we go
[10:11] <fsphil> Morseman, avi?
[10:12] <Darkside> oh god, polariod launch
[10:12] <Darkside> polaroid
[10:12] <fsphil> lol
[10:12] <Darkside> his problem isnt going to be the film freezing
[10:12] <costyn> Morseman: avr (the controller) not avi :)
[10:12] <Darkside> its going to be the *grease* freezing
[10:12] <costyn> this is his second polaroid launch actually
[10:12] <fsphil> Darkside, this is the second one. the last one worked, but had blotches on the images
[10:12] <Darkside> ahh ok
[10:13] <costyn> Darkside: http://www.timzaman.nl/?page_id=2081
[10:13] <Morseman> Sorry - misread the message - LOL
[10:13] <costyn> Morseman: we're not quite there yet, sending life video from payloads :)
[10:13] <costyn> s/life/live/
[10:13] Action: fsphil points at Darkside
[10:13] <Morseman> I'll set up FL-Digi today to avoid my usual panic on the day...
[10:14] <Darkside> \o
[10:14] <Darkside> we have all the gear to do live video from payloads
[10:14] <Darkside> jut haven't done it yet lol
[10:14] <fsphil> tsk tsk
[10:14] <Darkside> at some point we're just going to say 'fuck it' and put the gear in a box and fly it
[10:14] <Darkside> problem is link budgets say we're gonna need a big dish on the ground
[10:14] <Darkside> and we haven't got a big dish
[10:14] <costyn> anyways, gotta go give my son some attention... ttyl
[10:15] <fsphil> cya costyn
[10:15] <Darkside> other option is to try a 1mbit wifi link down
[10:15] <Morseman> What will you use? SSTV? If so, I guess analogue rather than digital? Can't see 'requests for retransmission' working very well. LOL
[10:15] <Darkside> Morseman: ATV
[10:15] <Darkside> 23cm ATV
[10:16] <Morseman> Ah, FSTV - B&W or this restricted bandwidth stuff for colour?
[10:16] <fsphil> ssdv doesn't need a request for retransmission :) though it would help!
[10:16] <Darkside> Morseman: its standard FM ATV
[10:16] <Morseman> I used to have some 24cm TV gear but sold it on
[10:16] <Darkside> we'd do it on 70cm but we haven't really got the channel space free for it
[10:17] <Morseman> fsphil - True ut you will get loads of people with only so many decodes missing parts of the picture then
[10:17] <Morseman> ut = but
[10:17] <Darkside> as it is we're gonna be running ATV on the same frequency as a local 23cm voice repeater
[10:18] <Morseman> That's OK as long as the RX has wide enough bandwidth on FM I guess?
[10:18] <Darkside> well we'd be using the correct receivers for it
[10:18] <Morseman> Used to use old satelite TV receivers once-upon-a-time
[10:18] <Darkside> the transmitter we're using is designed for model aircraft
[10:18] <Darkside> and theres a matching receiver to go with it
[10:18] <fsphil> Morseman, dl-fldigi can upload the received parts from each user, and they get combined
[10:20] <Darkside> hmm i need to get started on my dual-band payload
[10:20] <Darkside> RFM22B + radiometrix optio
[10:20] <Darkside> and most likely a ATMega1281
[10:21] <Darkside> (or 2561, same pinout)
[10:22] <costyn> Morseman: coordinates for launch point will be in the area of 52.601796,4.706268
[10:23] <Morseman> Where can I download the PD4TA setup please? Got various USA looking calls but nothing from Holland when I do a "Refresh Payload Data"
[10:23] <Morseman> Thanks costyn
[10:24] <Darkside> Morseman: its likely his payload profile has expired
[10:24] <fsphil> I updated that yesterday, should be there
[10:25] <fsphil> the list is quite long, make sure it's not disappeared off the bottom of the screen
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[10:27] <Darkside> hmm
[10:27] <Morseman> Puts launch at JO22IO by my calcs
[10:27] <Darkside> need a name for this new board
[10:27] <fsphil> simon
[10:27] <Darkside> within the egyptian theme...
[10:28] <Morseman> AH! the list 'bumps' into the top of the screen so when dragged FL-Digi down a bit I could see all the others in the list!
[10:29] <Morseman> 408km at 97 degrees then
[10:30] <Morseman> How about "Tha Bangles Board" ?
[10:30] <Darkside> I think i'll just call it Osiris2
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[10:30] <Morseman> The - even
[10:30] <Darkside> i've kind of exhausted the Nut variations
[10:30] <Darkside> already done micronut
[10:30] <Darkside> and this board is actually goign to be bigger than micronut
[10:31] <eroomde> PCBs sent off
[10:31] <Morseman> Peanut?
[10:31] <eroomde> should arrive next week!
[10:31] <Darkside> Morseman: haha
[10:31] <Darkside> PeaNut
[10:31] <eroomde> Darkside: the board I just sent off is micronut esque
[10:31] <eroomde> though a bit bigger
[10:31] <Darkside> flight computer?
[10:31] <Darkside> oh man, i should clal this MilliNut
[10:32] <eroomde> Darkside: yeah
[10:32] <Darkside> call*
[10:32] <Darkside> since it's bigger than MicroNut
[10:32] <Darkside> eroomde: whats the specs of your board?
[10:32] <Morseman> FL-Digi autoconfigured and saved all in time for tomorrow *worries that Morseman getting too organised in his old age*
[10:33] <eroomde> Darkside: http://i.imgur.com/y39Ss.png
[10:34] <eroomde> it's got an ntx2 driven by a 16 bit DAC
[10:34] <eroomde> and a temp sensor on the ntx2
[10:34] <Darkside> ooh cool
[10:34] <eroomde> so i hope to be able to do temperature calibration
[10:34] <eroomde> and stop the thing drifting
[10:34] <Darkside> what IC?
[10:34] <Darkside> cortex?
[10:34] <eroomde> atmega1284
[10:34] <eroomde> it's got a microsd card
[10:34] <Darkside> 1284?
[10:34] <eroomde> the tqfp44 pin package atmega128
[10:34] <Darkside> ahh ok
[10:35] <Darkside> i'm planning on using a 1281
[10:35] <eroomde> max6 gps
[10:35] <eroomde> and fully isolated uart to the outside world
[10:35] <Morseman> Got to go and collect Grand-daughter - maybe back later
[10:35] <Darkside> eroomde: cool
[10:35] <eroomde> it has a high efficient smps
[10:35] <eroomde> so i'm hoping to get 3-4 days battery life from a 9V pp3 battery
[10:35] <Darkside> eroomde: what chip are you using?
[10:35] <eroomde> that's it really
[10:35] <Darkside> oh wait buck converter
[10:36] <eroomde> long long reliable tracker with logger
[10:36] <eroomde> long life*
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[10:36] <Darkside> the board i'm making is designed to run from 2xAAs
[10:36] <Darkside> or 2xAAAs
[10:36] <eroomde> it's called the hedgehog, following my historical flight computer name scheme
[10:36] <Darkside> haha
[10:36] <Darkside> why not mushroom
[10:36] <eroomde> small, simple, able to defend itself from the outside worl (i.e. isolated io)
[10:37] <Darkside> mm
[10:37] <Darkside> i'm going with a modular design now
[10:37] <Darkside> PSUs are all offboard
[10:37] <Hiena> Hmmm, buck converter, sounds like my girlfriend. She converts efficiently bucks to nothing.
[10:38] <Darkside> i have a separate PCB that slots onto the back of a 2xAA holder nicely
[10:38] <Darkside> and gives 3.3v, 5v, and battery voltage
[10:38] <eroomde> nice
[10:39] <eroomde> that seems sensible
[10:39] <Darkside> the rest of the board will only be slightly longer than the 2xAA holder
[10:39] <eroomde> my plan is to iterate this design quite a lot
[10:39] <eroomde> v0.2 will just be a bugfix
[10:39] chris_99 (~chris_99@unaffiliated/chris-99/x-3062929) joined #highaltitude.
[10:39] <eroomde> but eventually it'll probably be 4 layer, have an isolated pyro channel, and be 1.8V
[10:39] <jcoxon> morning eroomde
[10:40] <eroomde> i hope
[10:40] <Darkside> cool
[10:40] <eroomde> morning jcoxon
[10:40] <Darkside> yeah, this board will have 2 channels for pyro or cutdown
[10:40] <Darkside> or whatever
[10:40] <Darkside> eroomde: http://i.imgur.com/EdMme.jpg
[10:40] <Darkside> thats our APRS micronut payload
[10:40] <Darkside> it'll be a similar idea
[10:40] <eroomde> poor gps antenna!
[10:40] <Darkside> the antenna doesnt go there
[10:41] <Darkside> i mean, the 2m antenna
[10:41] <Darkside> lol
[10:41] <eroomde> yeah i hope this one will keep the same form factor too
[10:41] <eroomde> but i def want to keep the mounting hole tabs
[10:41] <Darkside> thats just for show with the antenna
[10:41] <eroomde> they can be chopped off to fit in tiny things
[10:41] <eroomde> it's 30mm wide without the mounting hole tabs
[10:41] <Darkside> i've actually got my duplexer PCBs finished
[10:41] <eroomde> 46mm wide with
[10:42] <Darkside> why the mounting holes?
[10:42] <eroomde> to mount
[10:42] <Darkside> heh
[10:42] <Darkside> http://i.imgur.com/dwWDN.jpg
[10:42] <Darkside> thats the duplexer and antenna framework
[10:42] <Darkside> sma socket in teh centre for a dual-band whip antenna
[10:42] <eroomde> neat
[10:43] <Darkside> and pads to solder radials to
[10:43] <Darkside> on the top, is the duplexer
[10:43] <Darkside> and while you can put sma connectors in, we'd probably just solder cable
[10:43] <eroomde> i just like mounting holes
[10:43] <eroomde> and pcb stands
[10:43] <eroomde> and nut drivers
[10:43] <eroomde> and neat installations
[10:43] <Darkside> we just throw our payloads in a foam box and be done with it
[10:43] <eroomde> and mil-spec connectors
[10:43] <Darkside> haha
[10:44] <SpeedEvil> This is why eroomdes last payload weighed 84Kg.
[10:44] <Darkside> eroomde: what 9v battery are you using?
[10:44] <eroomde> energizer lithium ultimate
[10:44] <Darkside> oh those ones
[10:44] <Darkside> whats their capacity?
[10:45] <eroomde> 1.1Ah
[10:45] <eroomde> 9V
[10:45] <eroomde> so about 10Wh
[10:45] <Darkside> similar to 2xAAs then
[10:45] <eroomde> and i think the hedgehog should pull about 100mW in fully-on mode
[10:46] <Darkside> why no RFM22B?
[10:46] <daveake> plus spikes?
[10:46] <Darkside> i'm planning on using one so i can do some tricks with the output power
[10:46] <eroomde> for the same reason there's a 16 bit DAC into the ntx2
[10:46] <eroomde> frequency agility
[10:46] <Darkside> well with the dAC you can do some fun sideband modes
[10:46] <eroomde> exactly
[10:46] <Darkside> mm
[10:46] <eroomde> i want to be able to fly better modes like mfsk
[10:46] <jcoxon> anyone got a good packet TNC?
[10:46] <eroomde> eg dominoex
[10:46] <Darkside> well you guys have fun with your 10mw
[10:46] <daveake> hedgehog ... spikes ... I don't know why I bother ... :p
[10:47] <Darkside> we'll stick with our 300 baud RTTY on 70cm and play on the other bands
[10:47] <Darkside> what i want otu of this is not an experimental payload
[10:47] <Darkside> i want a payload that combines our two best payloads: 70cm RTTY, and APRS
[10:47] <Darkside> into one small and light payload
[10:47] <Darkside> we do out experimentation on other payloads
[10:48] <eroomde> i want 1) a set and forget gps radio tracker than i can put at some freq and know it wont drift (so we can fly multiple payloads on the 434.650 band, knowing they wont bash into each other)
[10:48] <eroomde> 2) a slave radio tx board to be part of a bigger payload
[10:48] <Darkside> eroomde: heh
[10:48] <eroomde> which is where there's the isolated uart
[10:48] <Darkside> mm
[10:48] <Darkside> i'm breaking out every pin i can on this board
[10:48] <eroomde> so that it can't be taken down by some other board's electrical problems
[10:48] <eroomde> it'll keep on truckin
[10:49] <Darkside> i want to be able to hook up a UART camera if possible
[10:49] <Darkside> problem is those things are power hungry
[10:49] <fsphil> ideally you can power them down when you don't need them
[10:49] <jcoxon> Darkside, and fussy
[10:50] <fsphil> well the c328's are
[10:50] <fsphil> the other ones might not be so bad
[10:50] <Darkside> yeah, the fucking autobauding
[10:50] <fsphil> you really do need the 7.3728mhz crystal
[10:51] <Darkside> mm
[10:51] <Morseman> False alarm - Kate not ready yet...
[10:52] <Morseman> What band will the APRS be on - I used to use UI-View32 for APRS with computer soundcard - seemed to work OK
[10:53] <fsphil> can't use aprs on ham frequencies in the uk
[10:53] <fsphil> if someone does use it, it'll probably be on 869mhz
[10:53] <Darkside> <3 australia for that
[10:53] <fsphil> yea
[10:53] <Darkside> whatever we want, wherever we want
[10:53] <Morseman> Not for balloons I know but if it's on some other frequency I can arrange to have the capability
[10:53] <Darkside> (within reason)
[10:54] <fsphil> the 869mhz module transmits at 400mW so it might just work for afsk modes
[10:54] <fsphil> I'm hoping to test that theory soon :)
[10:55] <Morseman> I'll do some research into making an 869MHz RX converter
[10:55] <fsphil> My plan is to use the funcube dongle and a tv antenna
[10:56] <fsphil> it probably won't launch until april though so there's plenty of time
[10:56] <fsphil> and knowing how long it takes me to get launch permission, probably november
[10:56] <Morseman> Must have something that will work round here
[10:58] <Morseman> If use a 432MHz IF would be 145.66 x 3 to get somewhere near
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[10:58] <fsphil> I've a feeling the frequency will drift quite a bit
[10:59] <Morseman> Could start from a 48.55MHz third overtone
[11:00] <Morseman> Does the 869MHz TX module have a corresponding RX unit?
[11:00] <Darkside> Morseman: haven't got a agile receiver?
[11:02] <fsphil> Morseman, http://www.radiometrix.com/content/rx3g-0
[11:02] <fsphil> dunno how sensitive that'll be though
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[11:04] <Morseman> Not one that covers 869MHz without a converter
[11:05] <fsphil> I've a vx7r that does but it seems to have very poor audio quality
[11:05] <Morseman> fsphil Thanks - will bear that in mind and will download datasheet to have a browse
[11:08] <Morseman> Looks reasonable enough to breadboard - with suitably filtered PSU of course
[11:09] <Morseman> I'd better chase Kate as I told my Daughter we'd be there in about an hours time!
[11:11] <fsphil> haha
[11:12] <Darkside> does eagle have a footprint wizard?
[11:12] <Darkside> like, to make IPC compliant footprints using datasheet values
[11:13] <Upu> check the ref libraries Darkside
[11:13] <Upu> give me a few
[11:13] <Darkside> nah
[11:13] <Darkside> i mean what if something isnt in the ref libraries
[11:13] <Darkside> and you have to make it yourself
[11:13] <Darkside> is there a way of generating componants fast? or do you have to do it pad by pad
[11:14] <Darkside> (not that i'm using eagle, just wondering)
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[11:41] <Upu> ref-packages Darkside
[11:45] <Darkside> k
[11:45] <Darkside> hmm
[11:45] <Darkside> just making up a MAX-6Q footprint now
[11:45] <Darkside> i notice the pads on both ends of the package are slightly thinner
[11:46] <Upu> In Eagle ?
[11:46] <Upu> yea 0.7mm vs 0.8mm
[11:46] <Upu> I've done one in Eagle
[11:46] <Darkside> Upu: no, in altium
[11:47] <Upu> ok
[11:47] <Darkside> hmm
[11:47] <Upu> yeah top 4 corners are slightly smaller
[11:47] <Darkside> but is the pitch between pins 1 and 2 the same as between 2 and 3
[11:47] <Darkside> i.e. the distance between the centre of each pad, is it still 1.1mm
[11:48] <Upu> I belive so
[11:48] <Darkside> or is it something slightly smaller
[11:48] <Darkside> hmm
[11:48] <Upu> I'd confirm if Seeed didn't use Donkey to deliver PCB's
[11:48] <cuddykid> Upu: still haven't received?!
[11:49] <russss> I thought they use one-winged pigeons
[11:49] <Upu> only left Hong Kong on Wednesday
[11:49] <Darkside> Upu: 1:1 printout
[11:49] <Upu> yeah I did and it seemed fine
[11:50] <cuddykid> my tracking number doesn't seem to work :S
[11:50] <cuddykid> left hong kong by ship?
[11:50] <cuddykid> :P
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[11:51] <cuddykid> when I go to the tracking page it just says "OTHERS" :S
[11:52] <fsphil> http://media-cdn.tripadvisor.com/media/photo-s/00/17/fd/90/the-jolly-roger-in-georgetown.jpg
[11:52] <cuddykid> Upu: did yours say "others"?
[11:53] <Upu> how do you mean ?
[11:53] <cuddykid> one sec
[11:54] <cuddykid> Upu: http://i.imgur.com/h91Gr.png
[11:54] <cuddykid> that's what it displays when I enter the number/click the link
[11:55] <Upu> oh it means its probably still on a donkey
[11:55] <cuddykid> I'm not sure whether the tracking number is actually valid, because it errors when I enter it on RM/Parcelforce
[11:55] <cuddykid> lol Upu
[11:55] <cuddykid> "other" shipment method = donkey haha
[11:56] <Upu> I'll check mine in a sec
[11:56] <cuddykid> oh - they've given me a dodgy number by the looks of it. It won't allow me to enter the full tracking number - cuts off the last 2 letters
[11:57] <Darkside> oh finished the footprint
[11:57] <Darkside> footprint*
[11:57] <Darkside> i'm just adding all the big components to this pcb first to see how feasibly my idea is
[11:57] <Darkside> feasible*
[11:57] <Upu> what you making ?
[11:58] <Upu> just redoing the pico tracker putting Molex Picoblade on there instead of that stupid ICSP 2x3
[11:59] <Upu> just trying to decide what to put on for the crystal
[11:59] <Darkside> Upu: dual-band pcb
[11:59] <Darkside> with offboard psu
[11:59] <Upu> ok
[11:59] <Darkside> and using RFM22B for 70cm
[11:59] <Upu> small crystal any suggestions ?
[11:59] <Darkside> ABM3
[11:59] <Darkside> Abracon ABM3
[12:00] <Upu> bingo
[12:00] <Upu> thats the puppy thx
[12:00] <Upu> still need external capacitors ?
[12:00] <Darkside> http://au.element14.com/abracon/abm3-8-000mhz-d2-t/crystal-8mhz-18pf-smd/dp/1826826
[12:00] <Darkside> yeah
[12:00] <Upu> http://uk.farnell.com/abracon/abmm2-8-000mhz-e2-t/crystal-8m-18pf-cl-6x3-6mm-smt/dp/1611803RL
[12:01] <Upu> looks smaller
[12:01] <Upu> that what I'm using
[12:01] <Darkside> dunno
[12:01] <Upu> HC49
[12:01] <Darkside> i used the ABM3s onthe micronut
[12:01] <Darkside> easy to solder
[12:01] <Upu> operating temp -20
[12:01] <Darkside> and still pretty small
[12:01] <Upu> hmm
[12:02] <Upu> might not be suitable for a floater
[12:02] <_Hix> just updated http://ukhas.org.uk/general:suppliers with a few more links. Hope you guys are ok with that. Figured a lot of good info gets swallowed up in the chat sessions
[12:02] <_Hix> so I've started copy pasting any good links I can
[12:03] <Upu> they do a -40 one
[12:03] <Upu> cheers Hix
[12:04] <_Hix> np
[12:04] <Upu> This one Darkside http://uk.farnell.com/abracon/abm7-8-000mhz-d2-t/crystal-8mhz-18pf-smd/dp/1812391
[12:06] <Upu> I'll have to make a part for that later
[12:06] <Darkside> ABM7 is bigger
[12:06] <Darkside> i'm using ABM3
[12:07] <Upu> US Stock :/
[12:07] <Darkside> actually they might be similar
[12:07] <Upu> ABM3 = 5x3.2x1.3
[12:07] <Upu> ABM7=6x3.5x1.4
[12:08] <Upu> ABM3 is is if I can get them
[12:08] <Upu> heh
[12:08] <Upu> Sample request page
[12:08] <Upu> ftw
[12:08] <griffonbot> Received email: Adrian Hicks "Re: [UKHAS] Launch Sunday 26 feb from Holland"
[12:12] <griffonbot> @DutchMillbt: High altitude balloon flight #ukhas PD4TA sunday 26-2 NL #hamradio 434.650 MHz ssb see http://t.co/j8sfSpfb [http://twitter.com/DutchMillbt/status/173379877607714816]
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[12:17] <Darkside> good lord edge SMA connectors are huge
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[12:23] <cuddykid> _Hix: good stuff
[12:24] <_Hix> cuddykid, ?
[12:24] <cuddykid> updating the page :)
[12:24] <_Hix> ahh no worries will try and keep putting any useful info i glean up
[12:24] <_Hix> saves plebs like me asking questions all the time :D
[12:25] <cuddykid> yeah, there is a lot of info that gets thrown around in here :D
[12:25] <cuddykid> solder wick arrived earlier :)
[12:25] <cuddykid> now just waiting on my pcbs!
[12:29] <_Hix> Your parcel has been delivered, signed for by HICKS, on 24 Feb 2012 at 15:24 Whoop Solder central
[12:29] <_Hix> but I'm not where it was - till monday
[12:29] <cuddykid> :(
[12:29] <cuddykid> at least it's been delivered :D
[12:29] <_Hix> I've got it though -all good
[12:29] <cuddykid> get the wire cutters and UK plug at the ready haha
[12:30] <_Hix> already got a UK lead to fit - benefits of buying old laser printers
[12:30] <_Hix> for parts
[12:30] <cuddykid> nice
[12:31] <_Hix> HP4100 Laserjet £23 and fully working 3 years on. didnt have the heart to strip it
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[12:33] <_Hix> http://refurbexperts.com/media/p/o/hp4100.jpg
[12:34] <_Hix> with duplexing unit 1100 page capacity and 10000 page toner life for £8 refill.
[12:35] <Darkside> oh derp
[12:35] <Darkside> Upu: turns out the atmel libraries are actually up to date in altium 10
[12:35] <Darkside> and all the parts i need were already in there :P
[12:35] <Upu> lol
[12:35] <Upu> fair enough
[12:38] <Upu> I hope Tim puts alot of gas or a cut away on that launch tomorrow
[12:38] <Upu> ah he's putting alot of gas in it
[12:39] <CovBalloon> where is the launch starting
[12:39] <_Hix> NW Holland
[12:39] <Upu> Holland
[12:39] <Upu> he's launched before did a deliberate landing in the channel had a boat on hand
[12:39] <CovBalloon> should we be able tp pick up the signal from the midlands?
[12:39] <Upu> Always interesting are Tim's launches :)
[12:40] <Upu> yup
[12:40] <Upu> ok off to walk dog bbs
[12:40] <fsphil> I don't expect this one to get high enough for me
[12:40] <CovBalloon> that will be an interesting test for my homemade yagi
[12:40] <fsphil> might go onto global tuners
[12:49] <Darkside> oh i can see this providing some interesting routing challenges
[12:50] <Darkside> and that woudl be the 'oh god what have i got myself into' style of challenges
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[13:03] <costyn> Upu: we're filling inside a old factory building apparently, so he might just take the time to figure out the neck lift this time :)
[13:04] <fsphil> this all sounds oddly organised
[13:04] <costyn> fsphil: yes, I'm surprised too
[13:04] <costyn> fsphil: although he sent me an email asking for help tracking yesterday and I offered to be a chase car driver; I'm not sure he has anyone else helping out, so it is kind of a last minute thing
[13:05] <fsphil> haha
[13:06] <costyn> he was going to track it first from launch site, then drive over to the landing site once it landed, but I convinced him to track it from the car :) should be more fun and hopefully we'll be close when it descends for a better last fix
[13:06] <fsphil> hope so
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[13:12] <SpeedEvil> There is no need to drive up to it to get a good fix. If it all goes right, and the transmitter carries on working after landing. But...
[13:12] <SpeedEvil> Was teh poweline payload recovered?
[13:13] <costyn> SpeedEvil: yes
[13:13] <SpeedEvil> :)
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[13:22] <cuddykid> brilliant :D
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[14:21] <x-f> hey, guys, i need an advice on constructing a cutdown
[14:22] <x-f> 3 cm of 32 gauge nichrome, 1 AA and a TIP120 darlington tranzistor for switching
[14:23] <x-f> when i use just the nichrome and battery, it easily cuts my rope
[14:23] <x-f> with the tranzistor it never happens
[14:23] <x-f> it can supply max 5A so i don't understand where is the problem
[14:23] <daveake> You need a power FET not a darlington
[14:23] <Darkside> yeah
[14:24] <Darkside> use a chunky fet
[14:24] <daveake> Too much voltage drop
[14:24] <x-f> hmm
[14:24] <x-f> any FET would do?
[14:24] <Darkside> FDS9926A is a nice fet
[14:24] <Darkside> SMD
[14:24] <Darkside> and dual
[14:24] <Darkside> though theres plenty of options
[14:24] <Darkside> it just needs to be able to pass a few amps without melting
[14:25] <daveake> I use a Toshiba one that's 5A and very low voltage drop
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[14:26] <x-f> ok, thanks, i'll have a look around
[14:31] <daveake> Off out - catch me later and I'll look up which one it is.
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[14:32] Nick change: Hibby_ -> Hibby
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[14:32] <SpeedEvil> Does anyone happen to know of a simple online 2d CFD thing?
[14:33] <SpeedEvil> Sort of like draw several rectangles, and compute thermal resistance
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[15:11] <NigeyS> hey steve
[15:16] whoami (542abed1@gateway/web/freenode/ip.84.42.190.209) joined #highaltitude.
[15:16] <whoami> hi..
[15:17] <Upu> afternoon
[15:18] <whoami> can someone help me with dl-fldigi sentence..?
[15:19] <Upu> can try whats the problem ?
[15:20] <whoami> im trying to send sentence from arduino to program.. ewerythink si ok.. but i need to know how to write sentece.. case program every sentence take as red.. not green
[15:21] <whoami> sorry for my english.. im from czech republic
[15:21] <Upu> its ok
[15:21] <Upu> for dl-fldigi to understand your sentence
[15:21] <Upu> you need to submit a document payload
[15:22] <Upu> which basically describes your payload and what the fields are
[15:22] <whoami> and it doesnt take sentence to colums lat, lon, ...
[15:22] <Upu> you got a sample sentence that you are transmitting ?
[15:22] <whoami> for example..:
[15:23] <whoami> $$whoami,12,15:13:24,50.1284408569,14.4207801818,304.0000000000,
[15:23] <Upu> ok
[15:23] <whoami> and i dont know how calculate checksum
[15:23] <Upu> so fairly standard, sequence, time, long,lat, altitude
[15:23] <Upu> there are a few code examples on the wiki 1 moment
[15:23] <whoami> thanks so much..
[15:24] <Upu> http://ukhas.org.uk/communication:protocol
[15:24] <cuddykid> wow - maplin is so overpriced
[15:24] <Upu> Maplins is rubbish
[15:25] <Upu> whoami there is a piece of code at the bottom for doing the CRC
[15:25] <_Hix> what are you looking for? Put a few links on the wiki earlier
[15:25] <Randomskk> Laurenceb_: around?
[15:25] <Upu> whoami feel free to translate parts of the Wiki in to Czech :)
[15:26] <whoami> when i do my first balloon i can do it..:-)
[15:37] <cuddykid> just held an 0805 - wow! Seriously - my solder joints are a couple times the size of them!
[15:41] <BrainDamage> try 0201
[15:41] <Randomskk> seriously, 0805 is massive :P
[15:41] <Upu> I posted that picture yesterday
[15:41] <BrainDamage> 0201 are a snortable package
[15:41] <Randomskk> 01005 get lost in the grains in my desk
[15:41] <Upu> http://i.imgur.com/t7blt.jpg
[15:42] <Randomskk> 0402 is a nice workable size :P
[15:45] <cuddykid> lol
[15:45] <cuddykid> you guys are just too good haha
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[15:59] <Laurenceb_> Randomskk: yes am now
[15:59] <Randomskk> Laurenceb_: I'm currently totally puzzled by STM32 USB stuff, have you used it at all?
[15:59] <Randomskk> just hardware
[16:00] <Randomskk> in particular, whether 22R resistors are required, whether external 1k5 pullups on D+ are required, whether VBUS should go to the PA9 line even though it's also USART1-TX and I was hoping to use it for bootloading
[16:00] <Randomskk> the schematics I can find all conflict
[16:00] <Laurenceb_> ok
[16:00] <Randomskk> even inside the same schematic! (f4 discovery board)
[16:00] <Laurenceb_> F4 is different to F1
[16:00] <Randomskk> in particular, all the reference manuals for F1, F2, F4 say there's an internal pullup on D+
[16:00] <Laurenceb_> not true
[16:01] <Laurenceb_> on most of the F1 series its not present
[16:01] <Randomskk> that not being true would explain a good bit
[16:01] <Laurenceb_> only connectivity line
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[16:02] <Laurenceb_> ok
[16:02] <Randomskk> ah, I see. connectivity line has USB OTG
[16:02] <Laurenceb_> so on my datalogger i use 22ohm resistors and 1k5
[16:02] <Randomskk> non-connectivity is not OTG
[16:02] <Laurenceb_> yes
[16:02] <Randomskk> and only the connectivity part has the internal pullup
[16:02] <Randomskk> right. and you used a permanently fixed 1k5?
[16:02] <Laurenceb_> i dont have any other connections to the usb
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[16:02] <Laurenceb_> yes
[16:02] <Randomskk> okay
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[16:02] <Randomskk> but you don't connect USB VBUS to PA9?
[16:02] <Laurenceb_> the only other thing i have is a cap off the VBUS
[16:02] <Laurenceb_> no
[16:02] <Randomskk> I think for usb-powered devices it's totally pointless
[16:03] <Randomskk> because the system will never be on without usb being present
[16:03] <Laurenceb_> to the on/off button
[16:03] <Randomskk> but it looks like in theory you're meant to
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[16:03] <Laurenceb_> my device is battery powered
[16:03] <Randomskk> for non-bus-powered devices, at least
[16:03] <Randomskk> oh huh
[16:03] <Randomskk> how does it know if a usb cable is plugged in then?
[16:03] <Laurenceb_> so i use the VBUS-cap arrangement
[16:03] <Laurenceb_> it triggers an interrupt on usb inser/remove
[16:04] <Laurenceb_> oh - and i take a line off the lipo charge ic to detect if thats been powered up
[16:04] <Laurenceb_> then i can work out if user pressed the button or the interrupt was due to usb
[16:04] <Randomskk> right
[16:04] <Laurenceb_> so, e.g. its logging data, usb inserted, it responds be using an NVIC system reset
[16:05] <Laurenceb_> and it boots up into usb mass storage mode
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[16:05] <Laurenceb_> if you press the button it just turns off into standby mode
[16:05] <Randomskk> that sounds clever
[16:05] <Randomskk> out of interest, is the schematics/hardware/code online anywhere for that?
[16:05] <Laurenceb_> ill upload the schematics next week
[16:05] <Laurenceb_> its a commercial project but who care right :P
[16:06] <Laurenceb_> *cares
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[16:06] <Randomskk> haha fair enough
[16:06] <Laurenceb_> code is on github
[16:06] <Laurenceb_> brb
[16:06] <Randomskk> cool
[16:06] <Randomskk> thanks for your help
[16:08] <TimZaman> HELLO EVERYONE
[16:08] <TimZaman> *** launch tomorrow around 10:30-11:00 ***
[16:11] <whoami> upu u are still here..?
[16:13] <whoami> now i have..: "$$whoami,2,16:10:04,50.13015,14.41796,449*59" but still nothink in special colums.. i think payload settings is ok
[16:13] <cuddykid> good luck TimZaman
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[16:16] <TimZaman> thanks
[16:16] <TimZaman> so, who can recall how to setup the portaudio stuff for ubuntu dlfidigi
[16:19] <TimZaman> also, how does the 'GPS upload configuration' work if i want to use a GPS to track our own chasecar?
[16:24] <Upu> 0
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[16:26] <TimZaman> 0?
[16:27] <costyn> hiya
[16:27] <TimZaman> i cant click on portaudio in ubuntu, Why?
[16:27] <TimZaman> hi costyn
[16:27] <costyn> TimZaman: I was just looking into this afternoon, I have a small gps tracker with bluetooth, but can't seem to find it
[16:28] <TimZaman> costyn: yep no worries i can make a dongle
[16:28] <costyn> TimZaman: maybe easier to use the audio splitter you had last time?
[16:28] <TimZaman> dont know how to use that with fldigi though
[16:28] <fsphil-laptop> did you compile in portaudio support?
[16:28] <TimZaman> costyn: yeah but i am trying to get dlfldigi working on ubuntu
[16:28] <TimZaman> errr
[16:28] <costyn> TimZaman: ah yea
[16:29] <TimZaman> fsphil-laptop: how's that?
[16:29] <costyn> TimZaman: after we pick up the payload do you want to go back to Heiloo or Delft?
[16:29] <TimZaman> costyn: haha i am afraid Heiloo if you're okay with that
[16:29] <fsphil-laptop> TimZaman, when you run ./configure it should pick up the portaudio library if installed
[16:29] <TimZaman> i hope it's going to be a short trip in terms of time though
[16:29] <costyn> TimZaman: yea no prob
[16:30] <fsphil-laptop> otherwise you might need to install portaudio-dev and re configure
[16:30] <costyn> TimZaman: Holland is small
[16:30] <TimZaman> if things go to plan; 1045 launch, 1230 pickup, 1330 heiloo again
[16:30] <costyn> sounds good... might run into -ish time here and there :)
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[16:31] <costyn> TimZaman: any other people assisting at the launch site?
[16:32] <costyn> TimZaman: did you read about the weather balloon that caused havoc in Numansdorp yesterday? http://www.rijnmond.nl/nieuws/25-02-2012/numansdorp-en-het-raadsel-van-de-ballon
[16:32] <TimZaman> costyn: only the misses, dont think we need anyone else. did ask a friend that lives nearby, but i think he's off for a poarty tonight
[16:33] <costyn> TimZaman: ok
[16:33] <costyn> article with pic: http://igo.nl/nieuws/actueel/artikel/5935/Losgeslagen-weerballon-belandt-in-Numansdorp must've been a commercial weather balloon
[16:34] <TimZaman> costyn: yeah this is something totally different
[16:34] <TimZaman> could never happen to what we are doing. its all so small and light and fragile
[16:34] <costyn> for you non-dutch speakers: they have no idea who's balloon it is and the police is involved and the power company also wants to know since it caused a poweroutage
[16:34] <costyn> TimZaman: yea
[16:35] <fsphil-laptop> it's huge
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[16:35] <SpeedEvil> http://www.youtube.com/watch?v=2g5Hz17C4is - related video
[16:35] <Randomskk> sounds like apex alpha finally landed then
[16:35] <costyn> SpeedEvil: hehehe
[16:36] <costyn> they keep speaking of a long trailing wire .. hf antenna?
[16:38] <fsphil-laptop> possibly, there was an hf contest in france yesterday wasn't there? someone may have been trying a failed tethered antenna
[16:43] <costyn> TimZaman: are you using your beagleboard or something else?
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[16:55] <TimZaman> costyn: arduino bootloader
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[16:57] <cuddykid> looking at the above pictures - JP aerospace comes to mind :P
[16:59] <TimZaman> fsphil-laptop: wtf when i compile it again it says 'a2x: ERROR: missing --destination-dir: /../doc'
[17:02] <TimZaman> nm seems to work
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[17:02] <TimZaman> ok no same errror
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[17:03] <fsphil-laptop> not sure, I normally do this:
[17:03] <fsphil-laptop> autoreconf -vfi
[17:04] <fsphil-laptop> ./configure --prefix=/usr --disable-flarq
[17:04] <fsphil-laptop> make
[17:04] <TimZaman> yeah doesnt work
[17:06] Action: costyn is off to dinner; TimZaman cya tommmorow morning
[17:06] <TimZaman> OK!
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[17:11] <TimZaman> no luck building dlfldigi, weird, since it is already installed
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[17:30] <TimZaman> dl-fldigi gives some lame compile error
[17:30] <TimZaman> maybe this is a clue
[17:31] <TimZaman> doc/Makefile.am:40: `%'-style pattern rules are a GNU make extension
[17:31] <TimZaman> doc/Makefile.am:42: call silent,ADOC ,$@: non-POSIX variable name
[17:31] <TimZaman> and 20 more of those warnings
[17:31] <TimZaman> when i do autoreconf -vfi
[17:32] <fsphil-laptop> $(builddir) seems to be blank
[17:33] <TimZaman> whatdoido
[17:33] <TimZaman> you are my only hope !
[17:34] <TimZaman> any chance you'd be whipping out the old yagi tomorrow?
[17:34] <TimZaman> also, can someone set a sweet title for me?
[17:34] <TimZaman> @spacenear.us
[17:34] <fsphil-laptop> what distro are you using?
[17:34] <TimZaman> ubuntu 11.10
[17:35] <TimZaman> it already worked on the same distro on my netbook though
[17:35] <fsphil-laptop> 32 or 64 bit?
[17:35] <TimZaman> 32b
[17:35] <fsphil-laptop> can you copy the build folder from the laptop?
[17:35] <TimZaman> its not here
[17:35] <fsphil-laptop> typical :)
[17:36] <TimZaman> :)
[17:36] <DanielRichman> did you follow http://ukhas.org.uk/projects:dl-fldigi:build-ubuntu ?
[17:36] <TimZaman> DanielRichman: every character
[17:36] <TimZaman> 3 times
[17:36] <DanielRichman> 11.10 is oneiric right?
[17:36] <DanielRichman> yup
[17:36] <DanielRichman> i have a vm. I will try it now
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[17:37] <TimZaman> it works on 11.10 i have my other laptop on which it works on which i installed it a few months back
[17:39] <DanielRichman> are you sure you've enabled the universe repository? are you sure none of the commands that download dependencies didn't fail?
[17:39] <TimZaman> here is the output
[17:39] <TimZaman> http://pastebin.com/0TjEUuvk
[17:40] <TimZaman> DanielRichman: but fldigi works..?
[17:40] <TimZaman> and i already have dl-fldigi installed! but it doesnt work since it doesnt see PortAudio
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[17:49] <DanielRichman> fsphil-laptop: (for Tim's problem) just tried it; I get the spam about the AC_ macros, which doesn't seem to cause any problems. I do not get lines 112 to 135 in his pastie which complain about the .am files. Your comment on builddir looks correct. Don't know why it's blank yet...
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[18:43] <TimZaman> can someone set the Title for me :)?
[18:44] <TimZaman> "Sun 26/02/2012 PD4TA Sunday Mid-Morning UTC from Holland
[18:44] <TimZaman> Come chat to us: #highaltitude on irc.freenode.net"
[18:45] <TimZaman> fsphil-laptop: DL-FLDIGI works, thanks. Don't know what the problem was. Turns out recompilation of my old installation did work
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[18:49] Nick change: daveake_ -> daveake
[18:49] <TimZaman> OK silent room tonight. I hope you guy
[18:49] <TimZaman> s help tracking tomorrow!
[18:49] <TimZaman> im off i guess
[18:50] <eroomde> sat night
[18:50] <eroomde> people out
[18:50] <eroomde> except more, evidently
[18:50] <eroomde> except me*
[18:50] <number10> poor old ed
[18:51] <daveake> half his brain typed "me" and the other half tried to type "moore" :)
[18:52] <eroomde> thats infact exactly what happened
[18:52] <eroomde> i am having a ropey day
[18:52] <TimZaman> :)
[18:52] <eroomde> i was in shorditch last night
[18:52] <eroomde> saw sunrise on the bus back
[18:52] <eroomde> only just feeling clearer
[18:52] <number10> out on the town - you can take it at your age
[18:53] <eroomde> its getting harder
[18:53] <eroomde> used to be i could make 9am lectures without complaining
[18:53] <Laurenceb_> Randomskk: i support usb suspend by turning off lipo charger, but aiui the 1K5 pullup should be an a GPIO
[18:53] <number10> ... but as you life progresses your memory will become more dynamic
[18:53] <Laurenceb_> but its not as i ran out of pins
[18:53] <number10> you will nead a faster refresh rate
[18:54] <eroomde> spent today eating hummus and watching victor borge on youtube
[18:54] <eroomde> and lots of black coffee
[18:54] <Randomskk> Laurenceb_: hmm
[18:54] <Randomskk> right now the 1k5 pullup for me is this stupid network of two BJTs and other crap
[18:54] <Randomskk> but it does seem like just an IO pin will do the job entirely nicely
[18:55] <Randomskk> and also I'm using an F4 mostly, so no need even then
[18:55] <Laurenceb_> yeah
[18:55] <Laurenceb_> bbl
[18:55] <Randomskk> so I can just leave that pin floating when an f4, and set it high when on an f1 or whatever
[18:55] <Randomskk> some consolation
[18:55] <Randomskk> so much other crap as well. turns out vbus to PA9 is another OTG thing... but that means you can't use usart1 without remapping, which means bootloader can't use it either
[18:56] <Randomskk> so I'm not going to connect vbus to pa9, but I think the bootloader still might not work
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[18:56] <Randomskk> but anyway in theory I can bootload over dfuse, and anyway I'm going to put jtag on
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[18:56] <Randomskk> been buried in so many sodding datasheets and app notes and reference manuals and example schematics
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[19:04] <cuddykid> oh - I don't like the fact that python has no braces :(
[19:04] <cuddykid> just line indentation
[19:05] <BrainDamage> it's tollerable until you have to collaborate with someone else, and either insists on a different indentation style
[19:05] <BrainDamage> or the other is sufficient stupid to mix tab vs spaces on the same line ( I've seen such personally )
[19:06] <BrainDamage> ofc both happend with any programming language, but in python also screws up your debugging
[19:07] <Randomskk> to be honest
[19:07] <Randomskk> I find that you should be indenting your code properly and to a mutually agreed upon style whether the language includes braces or not
[19:07] <Randomskk> and so python ends up being easier and neater
[19:07] <Randomskk> anyway PEP-8 specifies four spaces for indentation, so really that's what you should use
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[19:07] <Randomskk> it's no worse than having to use braces (I think it's better...)
[19:08] <Randomskk> anyway your editor should frankly take care of all that for you.
[19:08] <BrainDamage> I completely agree on that, I still like python a lot, I just wanted to point out when indentation-as-context really bothered me
[19:08] <Elwell> (whats the magic tab-key-to-4-spaces voodoo for vim?)
[19:08] <cuddykid> yeah - I usually indent fairly well - I just like braces :P lol
[19:09] <fsphil-laptop> ah, Tim got sorted
[19:10] <Randomskk> Elwell: you want tabstop=4 softtabstop=4 shiftwidth=4 expandtab smarttab and autoindent
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[19:10] <Randomskk> they are not all required to make the tab key insert 4 spaces
[19:10] <Randomskk> (just softtabstop=4 and expandtab iirc)
[19:10] <Randomskk> but they work together nicely.
[19:10] <Randomskk> you can change it for different languages and so on, too
[19:10] <Randomskk> (ruby is two spaces)
[19:11] <Elwell> right, seeing as you lot do lots of atmega hackery (and there's no help on #arduino) -- I'm using (new)softwareserial (ie 1.0) but need to read in data thats 7-e-1 -- any ideas on how to patch the library (or good idiots guide to writing serial software)
[19:11] <Elwell> Randomskk: ta
[19:12] <Randomskk> :( uhm for more complicated serial you really want to be using the uart if you can
[19:12] <Randomskk> I don't know if nss can do parity or not, but if not it'l be not much fun to add with decent performance
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[19:14] <Elwell> meh crap - reason I switched (using a nanode) to soft was cos I was getting narked off and having to rejumper each time I wanted to upload
[19:14] <Randomskk> ah yea that's a pain
[19:14] <Randomskk> get an ICSP programmer maybe
[19:14] <Randomskk> then you can just use the icsp header to program instead of the bootloader
[19:14] <Randomskk> they're not expensive and really really useful for a lot of things if you don't already have one
[19:15] <Elwell> true but I'm already stretching my hardware-fu with this :-)
[19:16] <eroomde> the dragon is v v useful
[19:16] <eroomde> no extra fu needed
[19:16] <eroomde> tho maybe more funds
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[19:16] <daveake> I bought one this week. <£30 ISTR
[19:17] <Elwell> heh normal getting the post response from SWMBO has been "*another* electronics package, how much was this one?" so maybe I'll wait
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[19:22] <daveake> Elwell Yeah, I know! Nothing that a £50 Next voucher won't sort though :)
[19:25] <eroomde> get it sent to work
[19:28] <Elwell> daveake: 50 quid next voucher could prove pricey by the time I add travel to nearest next store :-)
[19:28] <fsphil-laptop> anyone want a Peacocks voucher? :)
[19:29] <daveake> Does it come with a free store?
[19:29] <Elwell> annoyingly I forgot to add 'stripboard' to the last order, so there'll be another one pronto. Ahem.
[19:30] <fsphil-laptop> I'm having a bit of a thick moment. I've hexedited a file, confirmed that it changed. yet when loaded into my program the old value remains
[19:31] <eroomde> your program doesn't use that value that you edited?
[19:32] <eroomde> at my old job they discovered that a trajectory simulator's output would change if you changed the *filename* of the start conditions file
[19:32] <daveake> you edited a different file / in a differen folder / on a different drive / on a different computer?
[19:32] <SpeedEvil> fsphil-laptop: you haven't compiled the value into the program?
[19:33] <fsphil-laptop> not compiled, same folder and machine. got a theory though
[19:33] <fsphil-laptop> although it requires the existence of leprechauns
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[19:38] <fsphil-laptop> arg, it's doing it again. deleted all the files, made a new one and it's still doing it
[19:40] <fsphil-laptop> even if I copy the file -- hexedit shows the changes, my program loads whatever the file was originally
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[19:42] <SpeedEvil> Seperate runs of your program?
[19:42] <fsphil-laptop> yea
[19:42] <fsphil-laptop> simple command line app
[19:43] <SpeedEvil> strace
[19:43] <fsphil-laptop> good idea
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[19:44] <fsphil-laptop> open("test.bin2", O_RDONLY) = 3
[19:44] <fsphil-laptop> file begins with 55 66 FF FF FF FF 00 00
[19:45] <fsphil-laptop> just double checked in hexedit and hexdump
[19:45] <fsphil-laptop> my program shows: 55 66 00 00 00 00 00 00
[19:45] <fsphil-laptop> which is what it was before I hexedit'ed it
[19:46] <fsphil-laptop> I'll try it on another machine
[19:47] <fsphil-laptop> same thing! no way
[19:48] <daveake> Sure you're reading more than 2 bytes from the file?
[19:48] <fsphil-laptop> it's reading 16, the last few are coming in fine
[19:48] <fsphil-laptop> I'll try changing them
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[19:49] <fsphil-laptop> that's sticking too
[19:49] <DanielRichman> you can ask strace to hexdump the strings from read()
[19:49] <fsphil-laptop> I must be doing something stupid
[19:49] <DanielRichman> also you could valgrind to make sure there's no dodgy memory stuff going on
[19:50] <fsphil-laptop> read(3, "Uf\377\377\377\377\0\0\0(\36\0\0\0\0\0\363\372\0(\1h\1(\376\200Z\0J\0?\317"..., 4096) = 4096
[19:51] <fsphil-laptop> hmm
[19:51] <fsphil-laptop> that's right
[19:51] <fsphil-laptop> it's reading the actual values .. I must be messing up after that
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[19:56] <costyn> _Hix: launch should be around 9:30 GMT so that might make it a bit trick for you if you still have to go to the store; it's going up fast so won't be up long or go very high
[19:57] <costyn> _Hix: although depending on how chaotic Tim is, things might run a little longer before we actually launch :)
[19:57] <fsphil-laptop> oh what a twat -- I set these values *after* the reed solomon codes are created
[19:57] <costyn> fsphil-laptop / Upu : can one of you add Tim's balloon to the title box on the tracker? thx
[19:58] <fsphil-laptop> they're being 'fixed' each time
[19:58] <fsphil-laptop> yay my error correction works a treat :)
[19:59] <fsphil-laptop> I can't costyn, but upu should be able to
[19:59] <fsphil-laptop> and I'm not sure I should be let near computers today anyway :)
[20:00] <costyn> fsphil-laptop: ah ... thought you were one of the ones who could :)
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[20:00] <costyn> fsphil-laptop: heh, so your error correcting code was working as designed?
[20:01] <fsphil-laptop> basically - it was fixing all the values I'd changed with hexedit
[20:01] <costyn> heheh
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[20:07] Action: costyn signing off... not sure if I'll be online much tommorow, but we'll try to get on irc every once in a while keep you guys updated
[20:08] <fsphil-laptop> good luck costyn !
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[21:08] <NigeyS> hrm
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[21:15] <Pavix> Hmmm indeed
[21:20] <fsphil-laptop> bzzz
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[22:14] <Morseman> Anyone used autoconfigure in FL-Digi for PD4TA tomorrow? Keeps changing the stop bit from 1 to 2 - anyone know which one it should be please?
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[22:16] <fsphil-laptop> it won't matter, fldigi ignores that setting
[22:17] <Morseman> Thanks - I'll stop fighting the autoconfigure then :-)
[22:17] <fsphil-laptop> I meant to say to Tim to test if that was right
[22:17] <fsphil-laptop> I don't think he's tried it
[22:19] <Upu> I'll go set up the tracker
[22:20] <Morseman> Just swapping from JT4g on GB3CSB on 23cm to FL-Digi and 70cm and turning beams to about 97 degrees ready
[22:21] <fsphil-laptop> I'll leave my radio setup on the colinear, in the remote change that there's some freak propagation event :)
[22:22] <fsphil-laptop> change/chance
[22:23] <Morseman> I may have to leave it monitoring on its own as will be having breakfast and then taking Grand-daughter back home
[22:24] <Upu> where are you located Morseman ?
[22:24] <Morseman> Bolsover (It's G0DJA here I just decided to use my internet ID that I use on other forums)
[22:24] <Upu> ah ok
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[22:27] <Morseman> I'll see if it's still working in the morning - something froze the PC overnight last night and not sure what did that
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[22:29] <Morseman> So going to shut down all other programs except FL-Digi tonight before going to bed
[22:32] <Morseman> OK - nearly time for bed as Megan will probably be up and about at 7am... GN all
[22:32] <fsphil-laptop> night Morseman!
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[22:44] <griffonbot> @LVL1WhiteStar: Our fully inflated SpeedBall balloon, up into the 3rd story of @LouScience center #UKHAS #EngineersWeek http://t.co/Ca4obv1M [http://twitter.com/LVL1WhiteStar/status/173538789409570819]
[22:51] <fsphil-laptop> nice!
[22:53] <Upu> pretty big
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[23:18] <Laurenceb_> makani power on bbc 4
[23:18] <SpeedEvil> Mankini power?
[23:19] Action: SpeedEvil imagines the power of fluorescant lycra.
[23:19] <Laurenceb_> where hallam works
[23:19] <SpeedEvil> Ah
[23:19] <Laurenceb_> and they use blackfin gps :P
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[23:20] <SpeedEvil> Problem is of course the nimbys.
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[23:20] <SpeedEvil> Though a generation system that only worked for the evening winter peak would be useful too
[23:20] Nick change: soafee-chan -> spacekitteh
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[23:44] <Pavix> Hmm, this sparkfun lassen IQ datasheet is aweful. No indications of what pins to put vcc on, or ground. just says NMEA comes out of pin 5 and then has tables of pinout configurations you can use to break your gps
[23:52] <Pavix> nvm, I found it
[23:53] <jcoxon> i'm not sure what i'd do with out homebrew on mac os x
[23:53] <jcoxon> how did i survive with macport
[23:54] <Pavix> homebrew?
[23:55] <jcoxon> its an autoinstaller
[23:55] <jcoxon> does all teh work for you with stuff you need to compile from source
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[23:56] <Pavix> Ahh
[00:00] --- Sun Feb 26 2012