highaltitude.log.20130216

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[00:08] <nayr> the biggest err being a Delorian wont do 88mph heh
[00:08] <nayr> unless you drive it off a cliff
[00:08] <arko> also, after working on this project for over a year, i dont want a DeLorean anymore
[00:09] <arko> as we took apart the car I realized how unsafe it is
[00:09] <arko> it's built backwards
[00:09] <nayr> its a heap of a car
[00:09] <arko> frame is fiberglass and it's covered in metal
[00:09] <arko> rather than the other way around
[00:09] <arko> it's pretty, but damn stupid
[00:09] <nigelvh> Unrelately, just got off the phone with Amazon, thought the interview went well.
[00:09] <nayr> thats what happens when you let a junkie design a car
[00:10] <arko> nigelvh: :)
[00:10] <arko> woot
[00:11] <nigelvh> Hopefully soon I'll hear back from the recruiter letting me know what(if) the next step would be.
[00:12] <fsphil> hopefully the puppy put in a good word
[00:13] <nigelvh> She decided to bark at the fiance who was walking up to the door during the middle of it, but I had my office door closed, so hopefully not too obnoxious on the other end.
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[00:14] <fsphil> people with puppies are automatically nice people, unless they like fancy black and white furry coats
[00:15] <nigelvh> Ours isn't like that.
[00:15] <SpeedEvil> nigelvh: goods luck
[00:16] <nigelvh> Thanks
[00:17] <fsphil> indeed
[00:21] <nigelvh> Anyway, for now enjoying my unplanned, unpaid, time off.
[00:22] <fsphil> make some pancakes!
[00:22] <nigelvh> Maybe some bacon...
[00:22] <nigelvh> mmmmmm bacon....
[00:22] <Darkside> bacon pancakes!
[00:23] <Darkside> http://www.youtube.com/watch?v=TrcT7sseLZI
[00:23] <nigelvh> Exactly
[00:23] <nigelvh> Especially with the song.
[00:23] <Darkside> haha
[00:23] <Darkside> so you're an adventure time watcher?
[00:24] Action: arko fistbumps Darkside
[00:24] <Darkside> mathematical!
[00:25] <nigelvh> I've seen a bit of it.
[00:25] <nigelvh> Haven't been really watching it religiously though
[00:25] <nigelvh> Though, I will admit to being a Brony.
[00:25] <nigelvh> Fucking love that show.
[00:25] <Darkside> *brohoof*
[00:26] <nigelvh> *brohoof*
[00:26] <Darkside> hah
[00:26] <Darkside> but yes, adventure time is weird
[00:26] <Darkside> some eps are great, some are not so great
[00:26] <Darkside> some are just disturbing
[00:26] <arko> what
[00:26] <Darkside> some incredibly disturbing
[00:26] <arko> you guys are seriously brony's
[00:26] <arko> ?
[00:26] <nigelvh> Yeah
[00:26] <arko> ....
[00:26] <Darkside> arko: not massively so
[00:26] <Darkside> but i watch the show
[00:26] <arko> >_> i thought it was a troll
[00:26] <arko> like no one actually does
[00:26] <fsphil> I was watching adventure time on the plane home from oz
[00:26] <nigelvh> arko, give it a try.
[00:27] <arko> nigelvh: i was told the same about heroin
[00:27] <arko> adventure time is amazing
[00:27] <Darkside> fsphil: nigelvh have tou seen the new lemongrab ep?
[00:27] <Darkside> you*
[00:27] <fsphil> nope
[00:27] <Darkside> aww
[00:27] <nigelvh> arko, yes, it's originally a little girl's show, but it's an honestly well written, well drawn, cartoon
[00:27] <Darkside> its very disturbing
[00:28] <fsphil> the episodes I saw where pretty out there
[00:28] <arko> ...k
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[00:29] <arko> damn it
[00:29] <arko> http://www.youtube.com/watch?v=yK6A79SU_gw
[00:29] <nigelvh> arko, do you have netflix?
[00:29] <arko> now i want bacon pancakes
[00:29] <arko> yep
[00:29] <nayr> all I remember was the commercials for adventure time were highly annoying
[00:29] <nigelvh> Just give it a try, if you don't like it, that's fine, but it's honestly a good show.
[00:29] <arko> i have shows like that
[00:30] <arko> i will never share with the world, but they are good
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[00:30] <arko> so i can respect that
[00:30] <nigelvh> Well, what do you think it takes for me (A 24 yr.old. guy) to admit publicly he likes My Little Pony
[00:30] <arko> point
[00:31] <nayr> im 30 and I spend most the day on the computer humming PBS kids theme songs over and over
[00:31] <SpeedEvil> nigelvh: sparkles?
[00:31] <nigelvh> sparkles?
[00:31] <fsphil> Invader Zim .. I have the DVD boxset :)
[00:32] <gonzo_> when you get kids of your own, the earworms that you get ate all kids tv themes
[00:32] <nigelvh> Invader Zim is the fucking best.
[00:32] <fsphil> it really is amazing
[00:32] <gonzo_> something they enver warn you about!
[00:32] <nayr> kids tv theme songs are deviously catchy
[00:32] <arko> ok, Invader Zim was amazing
[00:32] <arko> no one is arguing that
[00:33] <nayr> yeah
[00:33] <fsphil> why is there BACON IN THE SOAP
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[00:33] <nigelvh> arko, if I had to point you to two episodes, I'd say the first one (It's a two parter), and then Season 1 Ep 25 "Party of One"
[00:34] <arko> if i had the time...
[00:34] <nigelvh> First one is just so you know the characters and the base story.
[00:34] <arko> i haven't had a chance to watch netflix in like a month or so
[00:34] <nayr> I tried to sit down and watch the avengers cartoon with my son
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[00:34] <nayr> but after a day of watching it he started punching everything
[00:34] <nigelvh> arko, PONIEZ
[00:34] <nayr> so might be a lil too much for a 2yr old
[00:34] <arko> O_o
[00:34] <nigelvh> haha
[00:35] <nayr> but its cute as hell now; when get gets all pissed off he goes all hulk and looks like his eye's are about to pop out of his head as he clentches every muscle in his body
[00:36] <nigelvh> haha
[00:36] <nayr> looks like the little big planet guys about to self destruct
[00:37] <gonzo_> better the eyes bulging. I've seen the youtube weightlifters fails
[00:37] <Lunar_Lander> I got a short question
[00:37] <Lunar_Lander> sparkfun has a SPI real time clock
[00:37] <nigelvh> "magic"
[00:37] <Lunar_Lander> can I use one along with an SD card also wired to SPI?
[00:38] <nayr> yeah
[00:38] <nigelvh> In theory, yes.
[00:38] <nayr> as long as you dont use both at once
[00:38] <Lunar_Lander> it's all about the chip select pin right?
[00:38] <Lunar_Lander> hm ok
[00:38] <nigelvh> SPI uses an "SS" pin (Slave Select"
[00:39] <Lunar_Lander> yes
[00:39] <zyp> what is this for? what would the purpose of the RTC be?
[00:39] <Lunar_Lander> I was thinking of a balloon spinoff
[00:39] <Lunar_Lander> a stationary weather station
[00:40] <Lunar_Lander> and GPS might be overkill as a time reference
[00:40] <nayr> you got to do battery backup
[00:40] <nigelvh> Most RTCs aren't terribly accurate on time.
[00:40] <nayr> yeah i dont recall a very accurate SPI one; there might be
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[00:40] <Lunar_Lander> yea
[00:40] <zyp> nigelvh, it's as accurate as the oscillator feeding it
[00:40] <nayr> but the accurate one I used in my designs were i2c
[00:40] <Lunar_Lander> I just saw a SPI module at sparkfun for 3.3V
[00:40] <fsphil> radio time signal would be interesting
[00:40] <Lunar_Lander> yea the I2C version is at 5V
[00:41] <fsphil> the ones on 50/60khz
[00:41] <nigelvh> Assuming you can pick it up
[00:41] <fsphil> there's one in germany
[00:41] <fsphil> should be a good signal
[00:41] <nigelvh> Perhaps you guys don't have that issue, but here in the US, it can be sometime unreliable
[00:41] <Lunar_Lander> yea
[00:41] <fsphil> a bigger country I suppose
[00:41] <nayr> ive got a project using the built in one on a teensy3 using a fairly accurate crystal and it keeps time good enough for my garden
[00:41] <nigelvh> Yes
[00:42] <fsphil> the UK has a single transmitter roughtly in the middle
[00:42] <Lunar_Lander> ah
[00:42] <fsphil> -t
[00:42] <nayr> one in US is in boulder colorado
[00:42] <nigelvh> Yep
[00:42] <fsphil> just one?
[00:42] <nayr> yep
[00:42] <Lunar_Lander> let me guess
[00:42] <nigelvh> For the VLF time, yes
[00:42] <Lunar_Lander> it is owned by NIST
[00:43] <nayr> easy guess
[00:43] <zyp> keep in mind that digital clocks are just counters, so the accuracy in any case depends on the oscillator feeding them
[00:43] <nigelvh> There's also time sources at 5MHz, 10MHz, 15MHz and depending on the site a few more, and those are in colorado and hawaii
[00:43] <fsphil> I receive LW radio stations from france, at about 200khz
[00:43] <fsphil> but it's very weak
[00:43] <fsphil> and disappears during the mornings
[00:43] <zyp> so unless you are going for a chip with internal crystal, the chip itself doesn't have anything to do with accuracy
[00:44] <nayr> yeah
[00:45] <fsphil> I read somewhere that the LW radio stations are occasionally heard in the US
[00:45] <nayr> im using a +-5ppm crystal in my Teensy3 and it keeps it within a few seconds a month
[00:46] <nayr> that was the most accurate one I could find
[00:46] <nigelvh> Yeah, ocasionally we do hear some.
[00:46] <nayr> most were +-10-20ppm
[00:46] <fsphil> impressive distances
[00:46] <zyp> 5ppm is like 13 seconds a month
[00:47] <gonzo_> the first transatlantic tv was done on LW
[00:47] <nayr> sounds about right
[00:47] <fsphil> I can't imagine TV on longwave at all
[00:47] <gonzo_> 30line mecanical
[00:47] <zyp> and of course that's worst case, if it's loaded correctly and otherwise operated within spec
[00:48] <fsphil> one nice thing about LW is during the daytime, the european stations are solid. no fading at all
[00:49] <nayr> its for timing IO's for garden automation so thats an acceptable deviation
[00:49] <nayr> I looked into an i2c one that was only a few seconds a year; but wasent really nessicary
[00:50] <eroomde> evening
[00:50] <fsphil> if you have two way communications with the weather station, you could just sync the time from the PC
[00:51] <fsphil> morning eroomde
[00:51] <nayr> yeah my time syncs every time I connect and download data or change things
[00:51] <eroomde> morning even fsphil
[00:51] <eroomde> afternoon for me
[00:51] <nayr> but if its an outdoor weatherstation thats gonna be left alone for long time
[00:51] <nayr> might be worth it to get a more accurate time keeper or use the GPS
[00:51] <Lunar_Lander> nayr, yea
[00:51] <fsphil> gps isn't too expensive now
[00:52] <nayr> yeah there cheap as shit
[00:52] <fsphil> and some of those RTC modules are pretty pricy anyway
[00:52] <nayr> put a supercap on the systme to keep power in a brownout and you wont loose time or gps lock
[00:52] <nayr> if you change out batteries
[00:52] <fsphil> just remember that gps time is not utc
[00:53] <nayr> otherwords your timing routines need to wait for a gps lock
[00:53] <nayr> w
[00:53] <nayr> hich the cheaper units do take a while
[00:53] <nigelvh> Presently GPS is (i think) 15 seconds off UTC
[00:55] <nayr> how are you powering it? if voltage wont be stable (solar+battery) might be best to just do the GPS
[00:56] <nayr> you can kill the power to the GPS and only turn it on every once and a while to update the internal clock
[00:57] <nayr> tho I imagine RTC's dont use any power they do have problem keeping time w/out stable voltage
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[01:06] <eroomde> http://www.flickr.com/photos/eroomde/8476717507/in/photostream
[01:06] <eroomde> back in SF!
[01:06] <eroomde> home tomorrow
[01:07] <arko> woot!
[01:07] <arko> one piece
[01:07] <eroomde> yup
[01:08] <Darkside> how was driving on the wrong side of the road?
[01:08] <eroomde> though it gets a bit hairy on that road
[01:08] <eroomde> oh fine
[01:08] <eroomde> you click over, it's a perfect mirror image so your brain doesn't take long
[01:08] <nayr> 101 is fun cruise
[01:09] <arko> you mean on the RIGHT side of the road
[01:09] <arko> but sure
[01:09] <eroomde> nayr: not the 101
[01:09] <eroomde> the 1
[01:10] <arko> eroomde: how much would it cost to rent a mustang for 3 days?
[01:10] <eroomde> not sure
[01:10] <arko> ah shit, im not 25 yet
[01:11] <nayr> ah yeah I forget it splits inland in cali
[01:11] <arko> stupid laws
[01:11] <eroomde> it cost me $130 inc every for the 2 days
[01:11] <arko> not bad
[01:11] <nayr> I hardly travel that far south into cali anymore
[01:11] <nayr> im doing 101 from portland to norcal later this summer
[01:11] <eroomde> arko: i'd do the 1 just in your car
[01:11] <eroomde> it'll still be fun :)
[01:12] <eroomde> it's really a gloriously beautiful drive
[01:12] <arko> yeah
[01:12] <arko> im sure of it
[01:12] <arko> i need to find a lotus
[01:12] <arko> that would be so much fun
[01:12] Action: arko imagines all the tickets he will get
[01:12] <nayr> heh
[01:13] <nayr> none cause you'll be stuck behidn traffic all the way
[01:13] <eroomde> it was pretty quiet infact
[01:13] <eroomde> didn;t see that many cars
[01:13] <eroomde> but it's so windy it's difficult to get too fast
[01:14] <nayr> its my luck to always get stuck behind some camper or big rig
[01:14] <nayr> with no places to pass
[01:14] <eroomde> :)
[01:14] <arko> yeah, the 1 is usually clear
[01:15] <nayr> I leave my fast cars at home for road trips anymore; with a kid in tow its too much of a tease
[01:15] <eroomde> yeah
[01:15] <nayr> you want to do something stupid but that parental instinct cock blocks you fast
[01:15] <eroomde> i really want a varieze or a longeze now
[01:15] <eroomde> that seems to be the way of choice for getting cross country
[01:16] <nayr> heh yeah I bought a old vw bus; its not getting anywhere fast
[01:16] <nayr> forces you to take the back roads; its terrifying doing 65 when everyone is flying by at 80
[01:17] <nayr> espically when ur boken down on side of the road heh
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[02:50] <SpeedEvil> nitrous injection.
[02:57] <nayr> yeah im sure that air cooled motor will last a whole few moments
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[11:41] <S_Mark> Hello, does anyone know when Random Engineering will have the Hwoyee 1600 back in stock?
[11:41] <Upu> hey S_Mark
[11:41] <Upu> only person you can ask is Steve who runs it
[11:42] <fsphil> ah nuts, didn't know they where out
[11:43] <S_Mark> Hello Upu and fsphil, ah ok no problem, is Steve on here or would be easier to just drop him an email?
[11:43] <Upu> he does come on here as rocketboy
[11:43] <Upu> but I'd just send him a mail
[11:44] <S_Mark> Ok that's great, will do, thanks!
[11:48] <S_Mark> Out of interest, are there any other tried and tested suppliers in the UK that sells the Hwoyee balloons?
[11:49] <fsphil> don't believe so
[11:49] <S_Mark> OK
[11:49] <fsphil> you might be able to get them directly from Hwoyee, but probably not worth the bother
[11:49] <Upu> Nah I'd just go via Steve
[11:49] <Upu> I looked into it once
[11:50] <Upu> and by the time you've paid the shipping and import its not worth it
[11:50] <S_Mark> Ah yeah, yeah I did have a quick look around but couldnt see anything
[11:50] <Upu> why 1600g anyway whats the plan ?
[11:53] <S_Mark> Our payload + parachute is going to be approx 1200g, does this size seem excessive? Our plan was to just go for height on our first launch with not too much drift
[11:53] <Upu> Might be worth using a 1000 or 1200 for first launch
[11:53] <S_Mark> We have been using the calculator and based that size based on previous launches
[11:53] <Upu> if you don't get it right the 1600g's can be tricky
[11:53] <S_Mark> Ah ok
[11:53] <fsphil> 1600g's can be floaty, although not likely with that weight of payload
[11:53] <S_Mark> What are the problems that people find?
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[11:54] <Upu> they can fail early ~26km
[11:54] <Upu> or they don't fail at all and float off to Afgahnistan with your payload
[11:54] <Upu> if you don't put enough gas in
[11:55] <S_Mark> Ah well we defo dont want to end up in Helmand
[11:55] <S_Mark> lol
[11:55] <Hix> extra stirks for 1600 then?
[11:55] <Upu> if you're confident you can measure the neck lift correctly
[11:55] <Upu> you should be fine
[11:55] <Upu> though most people get it wrong first time
[11:56] <S_Mark> What are the common mistakes?
[11:56] <fsphil> I got it wrong the fourth time :p
[11:56] <Upu> not enough gas
[11:56] <Upu> "it will be enough"
[11:56] <Upu> never is :)
[11:56] <S_Mark> Ah ok
[11:57] <S_Mark> Thanks for the info, lots to learn on the first go
[11:58] <S_Mark> Maybe we'll look into the 1200
[11:58] <fsphil> man, two days ago my hourly was entirely water. now it's almost entirely land
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[11:58] <Hix> speaking of hourlys, would it run on a virtual machine?
[11:59] <mattbrejza> it is for me
[11:59] <Hix> excellent, i'll give that a go
[11:59] <fsphil> wouldn't everything run in a virtual machine?
[11:59] <mattbrejza> games?
[12:00] <fsphil> if it had a decent virtual video card
[12:01] <mattbrejza> i tried it once and it didnt work and didt care enough to get it working
[12:01] <Hix> what sort of resources does the hourly need? RAM bandwidth etc?
[12:01] <mattbrejza> either way predictor works fine :P
[12:01] <fsphil> more bandwidth than anything else
[12:01] <Hix> hmmm, often?
[12:02] <Hix> i've got a Huuuge 1.5Mbps
[12:02] <fsphil> I run it once a day
[12:04] <Hix> Hurrah, twezers and solder iron tips arrived
[12:04] <fsphil> yay!
[12:04] <Hix> oh and ISP programmer
[12:04] <Hix> today is a good day
[12:04] <Hix> just needs bacon
[12:05] <mfa298> Next challenge is probably for someone to get the hourly running on a pi.
[12:05] <fsphil> that shouldn't be that difficult
[12:06] <mfa298> biggest bit is probably getting some of the dependancies
[12:06] <mfa298> although I wonder if ram might be an issue
[12:09] <Hix> Wow 0.2mm conical tip is spot on, I now have confidence soldering TQFP
[12:11] <Hix> http://i.imgur.com/4zgwPd1.jpg Nice!!
[12:13] <Hix> tweezers are good too http://i.imgur.com/NoLcKa2.jpg
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[12:59] <Geoff-G8DHE> Anybody have any reccomendations for an IRC client on android (Nexus 7) ?
[13:03] <fsphil> i quite like andchat
[13:04] <NigelMoby> andchat ftw!
[13:05] <Geoff-G8DHE> Its certainly got a lot of Installs, I'll add that to the try list!
[13:05] <NigelMoby> :)
[13:07] <Elwell> (poss for upu, but general ublox q) -- have any of you hooked one directly to a r-pi? thinking of using one as a NTP server (see http://www.satsignal.eu/ntp/Raspberry-Pi-NTP.html) -- Ideally I'd like to share the PPS between 2 separate systems (blitzortung and NTP server) but suspect I'll just buy a new receiver
[13:09] <Elwell> presently just got an EM-406A
[13:10] <Darkside> hmm
[13:11] <Darkside> if you really care about timing accuracy, use a NEO-6T
[13:11] <Darkside> the actual ublox timing module
[13:12] <Elwell> I don't care *that* much :-)
[13:13] <Elwell> considering theyre >2* the price
[13:16] <Darkside> hehe
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[13:16] <Darkside> for NTP a regular module shoudl be fine, as long as you have a good antenna and lots of sats in view
[13:18] <Elwell> yeah - my srif-3 seems more than good enough (ran a comparison compared to decent network link - stayed in track
[13:18] <Elwell> and I'm not using it for neutrino measurements :-)
[13:20] <Darkside> heh
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[13:20] <Darkside> i was using mine for synchronisation of spaced HF receivers
[13:20] <Darkside> kind of like a poor mans HF interferometer
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[13:23] <Darkside> i really wanted to develop that tech, but I ended up having to focus on other areas for my PhD work
[13:23] <Darkside> i hope to come back to it at some point, as it has potential for cheap HF direction finding and channel monitoring networks
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[13:26] <Upu> Elwell you can connect it using I2C
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[13:28] <Laurenceb_> Upu: a sirf3 ?
[13:28] <Upu> use a ublox ?
[13:28] <Laurenceb_> lol
[13:28] <Laurenceb_> i was going to say i didnt know sirf had i2c
[13:31] <Elwell> pi has i2c? missed that
[13:35] <NigelMoby> I've barely touched my pi :/
[13:35] <Elwell> my excuse is it's in a shipping container
[13:37] <NigelMoby> oh Blimey
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[13:38] <Elwell> hopefully still en-route to .au with the rest of the furniture
[13:38] <Upu> daveake has connected a ublox to pi needs some fiddling and some bit banging or something
[13:38] <Upu> no idea
[13:40] <Laurenceb_> Elwell is moving to Oz ?
[13:40] <Darkside> >_>
[13:40] <Darkside> there goes the country
[13:40] <NigelMoby> lol
[13:40] <NigelMoby> look after him mark!
[13:40] <Darkside> strewth
[13:40] <Darkside> i dunno where he's moving to!
[13:41] <Darkside> australia is a pretty big place
[13:41] <NigelMoby> yes, and lots of err...nothing....
[13:43] <Elwell> wa
[13:43] <Elwell> perth
[13:43] <Darkside> aww
[13:43] <Elwell> so I need to do some long floaters and get em picked up in adelaide :-)
[13:43] <Darkside> perth is just... a long way away
[13:43] <Darkside> LOL
[13:43] <Darkside> good luck with that
[13:43] <Darkside> no tracking in the middle
[13:43] <Darkside> because there is *nothing* there
[13:44] <Elwell> there's sand...
[13:44] <Laurenceb_> solar powered mesh network wtf
[13:44] <NigelMoby> see...lots of empty space lol
[13:44] <Laurenceb_> s/wtf/ftw
[13:45] <NigelMoby> mark are the empty bits literally empty, no gsm etc?
[13:45] <Hix> is there any problem in splitting the power feed so it feeds both tracker and sms board each with an independent reg?
[13:46] <Hix> from the battery pack i meant to say
[13:46] <Laurenceb_> id imagine no gsm
[13:46] <Laurenceb_> gms range is tens of Km absolute max
[13:46] <Laurenceb_> *gsm
[13:46] <NigelMoby> ah true
[13:46] <Hix> it's for land use
[13:47] <Laurenceb_> that too
[13:47] <Hix> as a backup if it cant be located on ground using VHF
[13:47] <Laurenceb_> below 1Km you usually get a signal
[13:47] <Laurenceb_> in UK...
[13:47] <NigelMoby> hix we did that on swift 2 vregs..works fine.
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[13:47] <Laurenceb_> the base stations are highly directional
[13:47] <Hix> so ok to put a ylead from batt pack
[13:47] <Laurenceb_> thats why they have long tall slot antenni arrays
[13:48] <Elwell> ASKAP/MRO may complain if someone chucks in a mesh network there too
[13:48] <NigelMoby> spoil sports lol
[13:49] <daveake> Elwell Yes Pi has i2c but doesn't work with UBlox (requires clock-stretching at arbitrary points and the Pi doesn't handle that). i2c with bit-banging does work.
[13:52] <Laurenceb_> eww
[13:52] <Laurenceb_> daveake: are you sure?
[13:52] <Laurenceb_> do you use driver code?
[13:54] <Laurenceb_> cant you use usb to talk to the ublox?
[13:56] <Darkside> sure you can
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[13:56] <Darkside> just means more stuff on the usb port
[13:56] <Laurenceb_> yeah
[13:58] <daveake> The bitbanging actually works very well. Doesn't even use much cpi
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[14:01] <Hix> the error flag on this reg http://i.imgur.com/GnF2Fgn.png
[14:01] <Hix> can I just ignore that pin?
[14:03] <Darkside> probably
[14:03] <Darkside> just dont connect it
[14:04] <Hix> cool thought so but wanted a grown up to approve the decision :)
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[14:04] <Darkside> lol
[14:05] <Hix> 2A is a pretty hefty requirement from a GSM board!!!
[14:05] <Geoff-G8DHE> See the note about pins 5 & 6 depends which pack your using ?
[14:06] <Hix> yup thats fine im using d^2pak
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[14:14] Action: Hix is forced to enter the world of component creation in Eagle
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[14:24] <Hix> trying to delete a via on the board, it's named GND so saying can't delete
[14:24] <Hix> even renaming it doesn't help
[14:24] <Hix> any ideas?
[14:25] <mattbrejza> use 'ripup' rather then delete
[14:25] <Hix> skills mattbrejza
[14:25] <Hix> thx
[14:26] <mattbrejza> np :)
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[14:46] <S_Mark> Anyone used a Pawan 1200g?
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[14:56] <craag> S_Mark: I haven't but what is it that you want to know?
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[15:27] <Gadget-Mac> Upu: Recommendations for a PCB mounted antenna socket ?
[15:28] <Upu> just an SMA end launch
[15:28] <Upu> http://ava.upuaut.net/store/index.php?route=product/product&path=71_66&product_id=74
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[15:33] <Gadget-Mac> Cool, thanks
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[16:19] <griffonbot> Received email: gonzo_ "[UKHAS] BONZO4 Launch Announcement - Sun 17th February - Dorset to Cardiff(possibly!)"
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[16:21] <NigeyS> gonzo_ :D 100 hab points if we pull it off !
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[16:26] <craag> Pico tennis :)
[16:26] <gonzo_> yep. recon so
[16:27] <gonzo_> too silly not to try
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[16:27] <craag> Indeed!
[16:28] <craag> I'd be worried about the 0.5m/s ascent rate though, you might manage a (short-lived) float.
[16:28] <craag> That's roughly what we had with the ill-fated mbed payload.
[16:28] <gonzo_> what you suggest?
[16:29] <craag> How heavy is the payload?
[16:29] <gonzo_> prob about 60rg
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[16:29] <gonzo_> 60gm
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[16:30] <craag> You could use one balloon but it would burst <3000m. I haven't played much with two, but maybe go for 10g or so more lift to get closer to 1 m/s.
[16:31] <NigeyS> gonzo_ running a 1m/s prediction now
[16:32] <gonzo_> the burst is the unpredictable bit
[16:32] <NigeyS> yup
[16:32] <gonzo_> what lift would give 1m.s?
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[16:32] <fsphil> how are you going to get it NigeyS?
[16:32] <craag> I've found with one balloon, ascent rate ~= (free lift/10)
[16:33] <craag> so maybe try 15-20g of free lift.
[16:33] <NigeyS> if it stays just north of pontyclun, i can go to my sisters and chase from there
[16:33] <craag> (Assuming 2 balloons is double the drag)
[16:33] <NigeyS> same for if it bursts over barry, my dads there all morning, so pretty confident at recovering
[16:34] <craag> What rate are you expecting for descent?
[16:34] <gonzo_> craag, ok, thanks for that
[16:34] <gonzo_> not yet looked at the fill side of things
[16:35] <gonzo_> saved me a job
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[16:35] <craag> As I said, I don't know much about bi-foil mechanics. I've tried one bi-foil flight and it was a complete disaster.
[16:36] <craag> I was hoping to find out from that one what would happen at burst. (would both burst or just one)
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[16:36] <gonzo_> we did three foil's
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[16:37] <gonzo_> but also disaster. overinflated and bursts happened at 500mtrs
[16:37] <craag> Did you get it back though?
[16:38] <gonzo_> yep, anly went about 10 miles
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[16:38] <craag> Well better than mine then ;)
[16:38] <gonzo_> reflew the tracker last weekend
[16:39] <gonzo_> which mike recovered. So it will fly a 3rd time
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[16:42] <griffonbot> Received email: Mike Willis "Re: [UKHAS] BONZO4 Launch Announcement - Sun 17th February - Dorset
[16:43] <fsphil> hah
[16:43] <fsphil> wonder if it'll swing west and head my way
[16:43] <NigeyS> i aint going to manchester for it! lol
[16:43] <craag> :P
[16:44] <NigeyS> if i tlands just outside cardiff ill take the bike and get it
[16:44] <craag> Anyone on the IoW incase things go *really* badly wrong?!
[16:44] <NigeyS> might get a few odd looks with a yagi sticking off it mind...
[16:44] <fsphil> we'll need a chase bike icon
[16:45] <NigeyS> lol
[16:46] <fsphil> is there a prediction if it floats?
[16:46] <fsphil> for if*
[16:47] <NigeyS> ok so .. gonzo_ 1m/s ascent put its in the sea lol
[16:47] <craag> NigeyS: link?
[16:47] <NigeyS> http://www.nigey.co.uk/predict/
[16:48] <NigeyS> fsphil, nope.. dunno how to do those
[16:48] <fsphil> 0.00001 m/s descent rate
[16:48] <fsphil> or that nasa predictor
[16:49] <NigeyS> ahh oki ill give it a try
[16:49] <craag> NigeyS: You've got descent rate as 0.5 m/s, maybe set that to 1m/s also?
[16:49] <NigeyS> k..
[16:49] <fsphil> predicting a foil is fairly iffy anyway
[16:49] <NigeyS> very!
[16:50] <craag> That'll definetely put it on the Bristol side of the channel :(
[16:50] <craag> You can try for 0.5m/s ascent, if it floats then fsphil might be able to recover!
[16:50] <fsphil> if it comes this way. it could easily end up in scotland too :)
[16:51] <NigeyS> good point
[16:51] <NigeyS> fsphil, running the float pred now
[16:52] <fsphil> the cusf predictor isn't really kitted out for floats
[16:52] <NigeyS> nope
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[16:54] <gonzo_> well where ever it ends up, it's worth doing
[16:54] <gonzo_> if it did float I'd be just as happy
[16:54] <NigeyS> yush! :D
[16:54] <NigeyS> at least going this way there's no live firing range to land on :p
[16:55] <griffonbot> Received email: gonzo_ "Re: [UKHAS] BONZO4 Launch Announcement - Sun 17th February - Dorset
[16:56] <gonzo_> sailsbury plane would have been quiet when you landed there. But I thought it could take a bit of explaining why I was sneaking around on MoD land with aerials and kit
[16:57] <gonzo_> could earn me an orange jump suit
[16:57] <NigeyS> haha yeah that would not be nice!
[16:58] <fsphil> I hear the food is nice
[17:00] <gonzo_> yep they do, full board, half board... And water board!
[17:00] <NigeyS> lol
[17:03] <jiffe1> you guys still use helium or you using hydrogen these days?
[17:03] <eroomde> mostly helium
[17:04] <jiffe1> gotcha, last time I checked local suppliers were only selling helium to their commercial clients because of a shortage but that was probably 6 months ago
[17:05] <eroomde> i think the situation is a bit better now
[17:05] <eroomde> though it seems to be slightly geographically dependent
[17:05] <jiffe1> yeah that might be the case
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[17:09] <S_Mark> Hi Craag sorry I think I missed your message earlier
[17:10] <craag> S_Mark: No worries, there may be others here now who can help you better.
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[17:11] <Hix> my reg specifies that it has a ground pad, is it a case of sticking some big vias under it and connecting them to GND then filling with "Sodder"
[17:11] <S_Mark> Ok thanks, did you have success with the Pawan though?
[17:13] <craag> ^^ Asking about the Pawan 1200 balloon.
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[17:14] <craag> I haven't used any latex 'real' balloons myself, so can't help you there.
[17:15] <fsphil> there where issues with the last pawan launch, I think it burst a bit low?
[17:15] <Upu> yeah they are faily unproven
[17:15] <fsphil> early even
[17:16] <S_Mark> Ah ok
[17:16] <fsphil> though it does happen the hwoyee ones occasionally to
[17:18] <S_Mark> Is it worth the risk do you think?
[17:18] <fsphil> is it cheaper?
[17:18] <fsphil> there really hasn't been enough flights with the pawan ballons to be certain
[17:18] <fsphil> a short flight isn't too bad a thing, bit of a waste of He
[17:19] <S_Mark> roughly the same
[17:19] <S_Mark> In what way a waste?
[17:24] <gonzo_> depends what you want to do. Our group want to do some photo launches with the next latex. so will overfill and get it up quick and down close
[17:25] <gonzo_> so short flight is the aim there
[17:26] <S_Mark> That is our aim too
[17:29] <fsphil> waste as in, the same amount of helium would have gone higher with a better balloon
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[17:30] <fsphil> or less helium would have gotten to the same height with a smaller balloon
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[17:31] <S_Mark> Ah I see now, due to the pawan possibly being of lesser quality
[17:31] <S_Mark> ?
[17:31] <Upu> we just don't know
[17:31] <fsphil> they might be as good
[17:31] <fsphil> but with so few flights there just isn't the data
[17:31] <Upu> the performance over a number of flights has been mediocre
[17:31] <Upu> however
[17:31] <Upu> not enough to make a call on it
[17:31] <Upu> just stick with Hwoyee or the other ones for the moment
[17:32] <fsphil> even that's a risk, but it's a better known risk :)
[17:32] <fsphil> most hwoyee flights have been fine
[17:33] <fsphil> and some better than fine
[17:33] <S_Mark> Ok sounds like good advice
[17:33] <cuddykid> mine burst well below expected altitude :(
[17:33] <cuddykid> got another to try though
[17:33] <fsphil> hwoyee?
[17:34] <cuddykid> pawan
[17:34] <fsphil> that's right, remember now
[17:34] <eroomde> woopang
[17:34] <Upu> Mick wasn't that impressed
[17:34] <cuddykid> yeah, it just didn't seem great quality compared to hwoyees
[17:34] <cuddykid> inflated to an odd shape too
[17:35] <S_Mark> Defo dont want odd shapes haha
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[17:36] <S_Mark> I'm gunna stick with the hwoyee
[17:36] <cuddykid> I would - not much price difference too
[17:38] <S_Mark> Ok, cool thanks very much all
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[17:51] <Hix> could someone explain how the Cout capacitance is so wide open in this spec sheet? http://i.imgur.com/BGa0F9Q.png
[17:53] <eroomde> wee my friends are taking me to some special place for my last breakfast
[17:53] <eroomde> apparently better than Jodie's, a restaurant where you don't so much pick something off the menu as negotiate with jodie about what you like
[17:54] <Hix> going by the standards of the food you've been dining on it should be pretty good!!!
[17:54] <eroomde> 'ya like grits? meat? whose about spicey food? on meet?... ok, i'll do you veggie hash'
[17:54] <eroomde> http://www.flickr.com/photos/eroomde/8462943758/in/set-72157632591417825
[17:55] <eroomde> 'don;t ask what's good.... everything here is good'
[17:56] <eroomde> 'here's how it works. you crossed the threshold of jodie's, now you a regular. don;t ask what the regula's eat, cos you a regula now too! just have what you feel like'
[17:56] <eroomde> then another round of questioning about your foodie desires before you've had a chance to properly examine the menu
[17:57] <eroomde> but he was right, the thing he picked for me absed on the phase of the moon and my hair colour or whatever was super nice
[17:57] <eroomde> based*
[17:57] <Hix> the bacon burger looks dam fine http://goo.gl/Z3d9J
[17:57] <eroomde> wowsa
[17:57] <eroomde> i had his take on egg's benedict
[17:57] <Hix> in fact a lot of it looks pretty mean http://goo.gl/OQDh3
[17:57] <eroomde> called Egg's Royston
[17:57] <Hix> vasey
[17:58] <eroomde> it was all v hgonest and v delicious and made in the kitchen right infront of you (the place is just a bar around the kitchen, can only seat about 7 inside and a coupla tables outside)
[17:58] <eroomde> he'd not heard of royson vasey
[17:58] <eroomde> the place or the person
[17:58] <Hix> :D
[17:59] <Hix> GSM/GPRS board is designed http://i.imgur.com/y8Hsln7.png
[18:00] <eroomde> this chap is amazing
[18:00] <eroomde> http://www.mattstuart.com/photographs/black-white/16-BRITISH-MUSEUM
[18:00] <Hix> Mitch getting another order
[18:00] <eroomde> the only living photographer i've found who has a sort of cartier-bresson-like abaility to see and capture amusing candid moments
[18:00] <eroomde> http://www.mattstuart.com/photographs/black-white/12-SOHO
[18:01] <eroomde> i've been really trying, but it just seems to require super human abilities to see a moment, see the picture, and then capture it before it's gone forever
[18:01] <eroomde> i must keep practicing
[18:02] <Hix> that is very C-B, he's good
[18:02] <eroomde> he is
[18:04] <eroomde> i saw this on the net the other day which made me giggle
[18:04] <eroomde> The Decisive Moment, parent-edition
[18:04] <eroomde> http://i.imgur.com/4miyT.jpg?1
[18:07] <eroomde> http://www.mattstuart.com/photographs/commissioned/18-MARWELL-ZOO
[18:07] <eroomde> i am loving this chap
[18:07] <Hix> Eggs Royston http://goo.gl/rCzHZ
[18:08] <eroomde> that's the one
[18:08] <eroomde> the sauce was like a mustardy creamy garlicy delicious thing
[18:08] <eroomde> really very good think strips of bacon on an english muffin then a couple of fried eggs
[18:08] <Hix> whats in the back? Rosti?
[18:08] <eroomde> and his spicy hash browns which were potatoes and veggie
[18:08] <eroomde> ^
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[18:11] <eroomde> i recommend it if you ever get round there. there's not really that much reason to go there if you're visiting the bay area, but if you do get a chance it's really nice
[18:12] <eroomde> brb food
[18:13] <Hix> can i assume that 2 x 150uF for in and out are ok, or is there some dark magic to this chart? http://i.imgur.com/BGa0F9Q.png
[18:20] <NigeyS> i normally use 47uf on the input and 10uf on the output
[18:20] <NigeyS> thatd a ld33v though not sure what you are using
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[18:23] <Hix> NCP5662
[18:23] <Hix> it needs to cope with 2A
[18:23] <NigeyS> ah right
[18:24] <Hix> hopefully I can now use these little beautys http://i.imgur.com/SPrOoti.jpg
[18:25] <NigeyS> nicey
[18:25] <NigeyS> that an infineon chip ?
[18:25] <Hix> hopefully. got 8 of em Siemens MC55
[18:26] <NigeyS> schweet
[18:26] <NigeyS> id experiment a bit with those caps, try 100in and 100 out or something..
[18:27] <Hix> its probably better to have an external board to cut the interference down with NTX2 and uBlox
[18:27] <Hix> 100uF?
[18:27] <NigeyS> yups
[18:28] <NigeyS> it's only for smoothing out ripple
[18:28] <Hix> ok, though I'm on a bit of a wing and a prayer with the board as it is, I've just used a schematic I saw online and doctored it
[18:28] <Hix> haven't got a clue how i'm going to communicate with it yet :D
[18:29] <NigeyS> lots of crossed fingers :D
[18:29] <Hix> and toes :D
[18:29] <NigeyS> lol
[18:31] <Hix> I've just use the schematic from this dev board http://goo.gl/R71NW
[18:31] <Hix> but made it HABable
[18:32] <Hix> I cant breadboard the modules as they have a 50 pin Hirose connector on them so, I'm getting 10 boards from Hackvana to see how it goes
[18:32] <Hix> If anyone wants to use one to test let me know
[18:32] <Hix> once I've got them and populated them
[18:32] <NigeyS> looks pretty neat
[18:33] <Hix> I could have just used the Sparkfunb boards, but where's the fun in making life easy?
[18:33] <NigeyS> :p
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[18:41] <SP9UOB_Tom> hi all
[18:41] <Hix> hi SP9UOB_Tom
[18:41] <NigeyS> Hi
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[18:49] <Hix> grrr, after spending ages creating parts in eagle for the hirose DF12-50 and the vreg sparkfun have them in the files for this board http://goo.gl/o7wNU
[18:49] <Hix> oh well, all good learning experience i spose
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[18:54] <griffonbot> Received email: James Coxon "Re: [UKHAS] BONZO4 Launch Announcement - Sun 17th February - Dorset
[18:55] <NigeyS> that sounds interesting jcoxon ... ?
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[18:55] <Lunar_Lander> hello
[18:55] <craag> jcoxon: Interesting idea, doesn't sound too hard to do either.
[18:55] <Hix> hi Lunar_Lander
[18:56] <Lunar_Lander> how is everyone?
[18:56] <fsphil> explosive
[18:56] <Hix> starving
[18:57] <SP9UOB_Tom> Lunar_Lander: sputnik-3 in tests ;-) 1.8V design, 47mA@1.5V in GPS cyclic mode
[18:57] <fsphil> you might need heating for that SP9UOB_Tom :)
[18:57] <SP9UOB_Tom> 0.08V battery voltage drop after 5 hours
[18:57] <Lunar_Lander> SP9UOB_Tom, cool!
[18:57] <Lunar_Lander> that is awesome
[18:58] <SP9UOB_Tom> fsphil: 2.5cm thick styro-ball :-)
[18:58] <griffonbot> Received email: Philip Crump "[UKHAS] HABrotate v0.5"
[18:58] <fsphil> might not be enough
[18:58] <Hix> hmm from looking at sparkfuns schematic it seems I have the answers to how to communicate with the MC55
[18:58] <Lunar_Lander> SP9UOB_Tom, I am looking at making a weather station with a standalone atmega328 :)
[18:58] <Hix> looking better now
[18:59] <SP9UOB_Tom> Lunar_Lander: i prefer PICs :-)
[18:59] <Hix> though I think as I am running 3v3 i can just talk straight to the module with no 232
[18:59] <fsphil> the low power of these new payloads means they don't generate enough heat to keep them above -40c, where bad things happen
[18:59] <Lunar_Lander> yea
[18:59] <SP9UOB_Tom> fsphil: yeah, i consider using mylar thermo film
[19:00] <SP9UOB_Tom> to reflect generated heat back to board
[19:00] <Hix> shame they're so heavy, but these put out awesome heat http://goo.gl/dZvrs
[19:01] <fsphil> there might not be enough heat
[19:01] <fsphil> I'd consider putting some kind of heating element on there, a resistor maybe
[19:01] <fsphil> just for when it gets really cold
[19:03] <Lunar_Lander> yea
[19:03] <Lunar_Lander> or we go back to 24 V payloads
[19:03] <Lunar_Lander> :P
[19:04] <fsphil> back to? I think you've been doing it wrong :)
[19:04] <SP9UOB_Tom> ;-)
[19:04] <Lunar_Lander> well I think Manhigh in 1957 used a 24 V system
[19:04] <Lunar_Lander> :P
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[19:07] <Upu> thanks craag I have updated
[19:08] <Lunar_Lander> evening anthony
[19:08] <Upu> hi Lunar
[19:09] <Lunar_Lander> how's your weekend?
[19:09] <Upu> still going
[19:09] <Lunar_Lander> nice to hear that
[19:09] <Upu> been coding this APRS payload
[19:09] <Upu> afk for a bit
[19:09] <Lunar_Lander> I am starting to look into using AVR GCC and how to program without arduino
[19:09] <Lunar_Lander> ah
[19:09] <Hix> Upu got a board done for the MC55
[19:11] <costyn> evening all
[19:11] <costyn> Maxell and I got the antenna mounted on our hackerspace today: http://imgur.com/a/q2tea#0
[19:11] <costyn> we should be able to listen in on future launches now :D
[19:12] <Hix> costyn: cool
[19:12] <NigeyS> looks good!
[19:12] <NigeyS> what cable is that btw ?
[19:12] <Hix> looked like a bit of an ordeal
[19:12] <costyn> NigeyS: aircell7
[19:12] <Lunar_Lander> evening NigeyS
[19:12] <costyn> Hix: actually it wasn't that bad
[19:13] <NigeyS> evening Kev
[19:13] <Hix> the routing down the chimney the other day
[19:13] <costyn> Hix: the only real problem we had was that the alu tube we got had walls 1.8mm thick instead of 1.5 as the vendor specified. this required quite some dremelling and sanding to get it to fit
[19:14] <Hix> pants
[19:14] <costyn> Hix: yea the chimney was a nice bonus
[19:15] <Hix> :D
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[19:17] <Hix> How do W-50 antennae perform on the whole?
[19:18] <costyn> this is a Diamond X-50
[19:18] <fsphil> my X-50 does a great job
[19:19] <Hix> i was thinking of getting one so I don't have to use a rotator to get the yagi to work.
[19:19] <Hix> problem is im at 32masl and in a glacial river valley
[19:19] <costyn> Hix: that could be a problem
[19:19] <Hix> yup
[19:19] <fsphil> even with a yagi
[19:19] <costyn> Hix: where are you located?
[19:20] <Hix> tbh it's ok, I was tracking Horizon and Artemis[?] last weekend for a bit
[19:22] <Hix> costyn: http://goo.gl/maps/33Ivi
[19:26] <costyn> Hix: ah
[19:26] <Hix> surrounded by small rises to ~100m
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[19:28] <Hix> though my local is on the top of a hill with swathes of open air around it http://goo.gl/9sp2X
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[19:28] <Hix> maybe I should put a dongle and antenna there :)
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[19:37] <chrisstubbs> Time for attempt no. 2 at learning Eagle
[19:37] <Lunar_Lander> yea
[19:39] <Hix_> chrisstubbs: RPC electronics on youtube have some very good tutorials
[19:40] <Lunar_Lander> and Jeremy Blum as well
[19:40] <Hix_> http://goo.gl/zmR5O
[19:40] <chrisstubbs> I followed the hackaday one before, but none of it stuck in my head
[19:40] <eroomde> just need to commit to a whole pcb
[19:40] <eroomde> then get it built quickly
[19:41] <eroomde> then quickly find out what's wrong with it and design a v2
[19:41] <eroomde> that helps reinforce things
[19:41] <Hix_> what I've been doing
[19:41] <Hix_> second board done today
[19:41] <chrisstubbs> cheers hix will give that a go :)
[19:41] <Hix_> ready for Mitch
[19:42] <Hix_> its pretty good if a little long winded
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[20:19] <HixPad> Just had a horrible thought. When you use Tqfp Atmega and swap it to bottom on eagle
[20:20] <HixPad> Do you have to manually reverse it? I think it's mirrored but pin 1 is top right as opposed to top left
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[20:22] <HixPad> This is the view of the bottom as seen from the top i.imgur.com/tHCew3e.png
[20:22] <HixPad> It's wrong isn't it
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[20:31] <mattbrejza> HixPad: looks fine
[20:32] <HixPad> This is the view from eagle so effectively looking through the board
[20:32] <HixPad> Whereas in real life you would turn it over and it will then be wrong.
[20:32] <HixPad> Pin 1 would be top right...
[20:33] <mattbrejza> so the pins go clockwise rather than anticlockwise
[20:33] <HixPad> I reckon
[20:33] <mattbrejza> the power pins are to hte right of pin 1 in that image whilst iff you were looking at the ic the right way up they would be to the left
[20:34] <HixPad> Th
[20:34] <HixPad> Pot got the Pinout with me so can't comment on pin functions
[20:34] <HixPad> But it looks like they are just transferred to bottom without flipping left right over
[20:35] <HixPad> The circle in the PDF should be top right
[20:35] <Randomskk> swapping to bottom does mirror parts in eagle
[20:35] <mattbrejza> its just been rotated 90o? :/
[20:35] <Randomskk> you can't get parts wrong unless your library was wrong
[20:36] <mattbrejza> (compared to what you tihnk)
[20:36] <Randomskk> if you mirror a part in eagle it swaps its layer
[20:36] <HixPad> I think from memory I clicked middle mouse to get it to bottom layer
[20:36] <mattbrejza> and also yea eagle works fine
[20:36] <Randomskk> yes
[20:36] <Randomskk> that is the same as mirroring
[20:36] <HixPad> And I think that is where it's ballsed up
[20:37] <Randomskk> ?
[20:37] <Randomskk> eagle won't balls it up
[20:37] <Randomskk> if you have a part
[20:37] <Randomskk> and the part is correct
[20:37] <Randomskk> it will be correct on either layer
[20:38] <mattbrejza> i checked against the datasheet and its fine
[20:38] <HixPad> The. Part was from Upu lib
[20:38] <mattbrejza> despite using eagle enough to know it doesnt mess up
[20:38] <mattbrejza> just get the board make, and if its wrong blame Upu
[20:38] <mattbrejza> sorted
[20:38] <mattbrejza> *made
[20:38] <mattbrejza> also your 50ohm trace should be wider
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[20:39] <HixPad> So much for rock solid apple stability
[20:39] <mattbrejza> what was the last thing you saw?
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[20:40] <mattbrejza> "20:38:06 < HixPad> The. Part was from Upu lib
[20:40] <HixPad> Sorry what did I miss after despite using eagle enough to know.....
[20:40] <mattbrejza> 20:38:14 < mattbrejza> despite using eagle enough to know it doesnt mess up
[20:40] <mattbrejza> 20:38:38 < mattbrejza> just get the board make, and if its wrong blame Upu
[20:40] <mattbrejza> 20:38:39 < mattbrejza> sorted
[20:40] <mattbrejza> 20:38:43 < mattbrejza> *made
[20:40] <mattbrejza> 20:38:54 < mattbrejza> also your 50ohm trace should be wider
[20:40] <HixPad> :)
[20:40] <mattbrejza> "
[20:40] <HixPad> From the ntx2
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[20:40] <mattbrejza> yea
[20:40] <HixPad> Ok
[20:41] <HixPad> But the chip still looks wrong to me http://i.imgur.com/Y7gyQNp.jpg Is a photo of it this morn
[20:41] <mattbrejza> is thats 1.6mm board it should be 0.1" (or as close as because that is quite wide)
[20:41] <mattbrejza> *if thats
[20:41] <HixPad> Ok so 2.54mm for ntx ant
[20:41] <mattbrejza> the IC has been flipped in the top left to botto right axis
[20:42] <mattbrejza> along the diagonal
[20:42] <HixPad> Hope so, you know them shit panic moments...... It's one of them
[20:43] <HixPad> But if you reckon it's right I trust your better judgement
[20:43] <HixPad> Not at home so can't physically check
[20:44] <mattbrejza> na its fine dw
[20:44] <HixPad> Phew
[20:44] <HixPad> Panic stations over
[20:45] <HixPad> The 50 pin connector on the gsm board would have hurt if that was screwed too
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[20:52] <HixPad> I think my pulse is back to normal now :)
[20:52] <HixPad> I've spent too much time on eagle today my head is playing tricks on me
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[21:50] <chrisstubbs> When i try to "use" Ava.lbr I get "Invalid data in file" :(
[21:51] <chrisstubbs> Eagle v5.11.0 Windows
[21:51] <HixPad> Where did you get the lbr from
[21:51] <chrisstubbs> github
[21:52] <HixPad> Did you download it as a zip?
[21:52] <chrisstubbs> at first, then i did it throught the proper github program
[21:53] <HixPad> I seemto remember GitHub files being weird unless you take them as zip
[21:53] <HixPad> Try the zip
[21:53] <Upu> chris_99
[21:53] <Upu> grr
[21:53] <Upu> chrisstubbs
[21:54] <Upu> use Eagle 6.4
[21:54] <Upu> or 6.3
[21:54] <chrisstubbs> Will give it a go Upu cheers
[21:54] <HixPad> Hi Upu, spent the day doing a board for the mc55s
[21:55] <Upu> It does say on the readme with it needs Eagle 6 or above :)
[21:55] <Upu> oh cool I'll post you these modules back, I also have a molex sim holder and the connector for them you can have
[21:55] <HixPad> Gonna get Mitch to make em up
[21:55] <Upu> yep
[21:56] <HixPad> Sure you don't wanna use em?
[21:56] <Upu> nah
[21:56] <HixPad> Ok
[21:56] <Upu> thx for offer
[21:56] <HixPad> I need to order a gps ant from you too
[21:57] <HixPad> As good as it is the pikey wire isn't going to cut it in real life :)
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[21:57] <Upu> no :)
[21:58] <HixPad> Got the gsm board down to 50,50 mm too
[21:58] <HixPad> So. Über cheap
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[22:00] <HixPad> http://i.imgur.com/y8Hsln7.png
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[22:02] <HixPad> Is there a way to ssh into a pc from iPad anyone know?
[22:03] <x-f> windows pc?
[22:04] <HixPad> Yup, just googled issh and it is an app :)
[22:04] <HixPad> Predictably
[22:05] <HixPad> Or was it seems
[22:05] <OZ1SKY_Brian> gn
[22:05] <x-f> i don't think there is an ssh-server for windows
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[22:05] <x-f> you could use Remote Desktop or VNC
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[22:11] <HixPad> Hmm
[22:11] <chrisstubbs> logmein is a handy service Hix
[22:11] <chrisstubbs> iphone and android apps are paid though :(
[22:11] <HixPad> Yeah, just trying to access something on a friends pc
[22:12] <chrisstubbs> teamviewer?
[22:13] <chrisstubbs> :O there is an ipad app and its free
[22:14] <HixPad> I'm going to just take the hard drive home with me, easier.
[22:15] <HixPad> How did you get on with eagle tuts?
[22:15] <chrisstubbs> they were great thanks
[22:16] <chrisstubbs> got the libs working in v6.3 but i cant find the RFM22b
[22:17] <Upu> sparkfun.lbr
[22:20] <chrisstubbs> cheers
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[22:26] <HixPad> chrisstubbs: Are you in Essex?
[22:26] <chrisstubbs> HixPad yes
[22:27] <HixPad> Thought so, I'm near junction 26 m25
[22:29] <chrisstubbs> Im chelmsford, off j28
[22:30] <chrisstubbs> HixPad you live there, or just there atm?
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[22:35] <HixPad> Live there
[22:36] <HixPad> Working in Laindon now.
[22:36] <chrisstubbs> oo cool, a (fairly) local HABber haha
[22:36] <HixPad> LocalHAB :)
[22:37] <chrisstubbs> i really regret not going to the conference last year
[22:37] <HixPad> Snap
[22:37] <chrisstubbs> will it be on again this year?
[22:37] <fsphil> looking good yea
[22:37] <HixPad> Hope so, judging by numbers I'd say so
[22:37] <HixPad> Oh^^^
[22:37] <chrisstubbs> :)
[22:38] <HixPad> You got any launches planned
[22:38] <chrisstubbs> yeah, my payload is pretty much set up and ready to go, just waiting on the CAA
[22:38] <chrisstubbs> called them last week and my application was in "the pile"
[22:39] <chrisstubbs> launching from bicknacre, south of chelmsford OR cambridge depending on weather
[22:39] <HixPad> Cool. I'm getting ready soon, waiting for pcbs
[22:39] <HixPad> Ok is bicknacre accessible?
[22:40] <chrisstubbs> the jous of PCB design never ends
[22:40] <HixPad> I'm under he's throw stack and in stansted tmz so need to find alt locns
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[22:41] <HixPad> Got 2 designs ready to make now
[22:41] <HixPad> Tracker and gsm/GPRS board as a ground backup
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[22:42] <HixPad> He's throw wtf heathrow grr apple evil
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[22:43] <chrisstubbs> oooo the sea:land houry prediction ratio is much better
[22:43] <chrisstubbs> http://hourly.chris-stubbs.co.uk/
[22:44] <HixPad> Bit LGW unfriendly tho :(
[22:45] <HixPad> Was the hourly easy enough to set up? Looking to do it on a vm on my server
[22:45] <chrisstubbs> Not tooo bad, im pretty hopeless at linux
[22:45] <chrisstubbs> i made a vid tut for it based around various peoples instructions
[22:45] <chrisstubbs> http://ukhas.org.uk/frontpage:guides:hourlypredictor
[22:46] <HixPad> Just seen your blog, good work
[22:47] <HixPad> Loving the highest point thing
[22:47] <chrisstubbs> oh jesus its terrible
[22:47] <chrisstubbs> i started dry running an algorithm for a thing that runs the XML flight path and figures out what points of the flight you have line-of-signt to
[22:48] <HixPad> I'm in the bottom of lea valley so I'm in shitsville for VHF
[22:49] <chrisstubbs> ah :( Im on the side of (almost) the highest point in essex, brilliant VHF one side, and a massive hill in the way the other
[22:50] <chrisstubbs> south west is great, north east not so
[22:50] <HixPad> To be fair north east of you is pretty much sea, so not too bad
[22:50] <HixPad> Or was that north and east?
[22:50] <chrisstubbs> i dont get the cambridge balloons until they are a fair fey km up
[22:51] <HixPad> I normally ag
[22:51] <HixPad> Uh? Have to wait for about 3000+
[22:51] <chrisstubbs> surprising what you can get then the transmitter is at such a high altitude
[22:51] <HixPad> Sure
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[22:52] <HixPad> Just look at fsphil and Upu ranges
[22:53] <HixPad> Anyone here done night launches?
[22:53] <fsphil> there's been a few really early launches
[22:53] <HixPad> Quiet for ATC and some great opportunities for night imagery
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[22:54] <fsphil> the low light levels makes it tricky
[22:54] <HixPad> And pink strobing led action
[22:54] <HixPad> Massive ISO
[22:54] <fsphil> transmit RTTY with a 2W LED
[22:55] <HixPad> Did pop into my head
[22:55] <fsphil> easy to do with a bit of pwm
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[22:57] <chrisstubbs> BT seem to have destroyed the entire HTTP protocol on my broadband...
[22:57] <HixPad> Is that a porn said with a mouthful of food ;P
[22:58] <HixPad> Or pulse width modulation
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[22:59] <fsphil> whether you'd get enough signal on the ground to decode is another matter
[22:59] <fsphil> there's people out there with some great optical receivers
[23:00] <HixPad> Drop the baud
[23:01] <HixPad> I'd really love to launch a new dslr with ability to do ISO of 25600 or more at night
[23:02] <fsphil> that would be brilliant
[23:02] <HixPad> Think you could get some amazing shots
[23:02] <SpeedEvil> yes and no
[23:02] <HixPad> Talking to Nikon, problem is weight
[23:02] <SpeedEvil> you'd really need stabilisation
[23:03] <HixPad> A 28 1.4 at about 1/20th should be ok
[23:04] <chrisstubbs> brb homehub restart time
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[23:06] <SpeedEvil> now look at 1/20th, and the slew rate that implies to get a couple of pixel motion blur
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[23:14] <gonzo_> could someone approve a flight doc please?
[23:14] <gonzo_> id: 55f5f5d3a916a5c61ef744dbd0962c0f
[23:16] <Laurenceb_> chrisstubbs: you know homehubs run linux :P
[23:16] <Laurenceb_> maybe you could recompile...
[23:17] <chrisstubbs2> i will try and find the photo of what i did to the old homehub...
[23:17] <chrisstubbs2> all im saying is dont put thermite down a drainpipe
[23:17] <Laurenceb_> lolz incoming
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[23:24] Nick change: chrisstubbs2 -> chrisstubbs
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[23:38] <arko> looks like the university of oxford has some fine folks http://i.imgur.com/kYEtXQf.jpg
[23:38] <arko> also
[23:39] <Laurenceb_> i should know :P
[23:39] <arko> here's a nice video just put together of the back to the future car we just restored http://www.youtube.com/watch?v=SU0FdTybqOc
[23:40] <Laurenceb_> http://www.dailymail.co.uk/news/article-2279391/Student-takes-Oxford-University-college-court-claiming-discriminates-poorer-background.html
[23:40] <Laurenceb_> ^lolz
[23:40] <arko> wat
[23:41] <Laurenceb_> i went to that college :P
[23:42] <Lunar_Lander> hi arko
[23:42] <arko> sup
[23:42] <arko> Laurenceb_: nice
[23:42] <arko> ee?
[23:43] <Laurenceb_> no
[23:43] <Laurenceb_> thatd be a waste of time
[23:43] <Laurenceb_> you can learn ee on the internets
[23:43] <Laurenceb_> physics
[23:43] <arko> shhhh
[23:44] <arko> LOL
[23:44] <arko> physics
[23:44] <arko> you really dont need college
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[23:45] <Lunar_Lander> XD
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[23:49] <griffonbot> Received email: Steve Daniels "RE: [UKHAS] BONZO4 Launch Announcement - Sun 17th February - Dorset
[23:50] <griffonbot> Received email: Adrian Hicks "Re: [UKHAS] BONZO4 Launch Announcement - Sun 17th February - Dorset
[23:51] <griffonbot> Received email: gonzo_ "Re: [UKHAS] BONZO4 Launch Announcement - Sun 17th February - Dorset
[23:54] SP9UOB_Tom (~verox@matrix.verox.pl) left irc: Quit: night all
[23:56] <griffonbot> Received email: gonzo_ "Re: [UKHAS] BONZO4 Launch Announcement - Sun 17th February - Dorset
[23:58] <griffonbot> Received email: Adam Greig "Re: [UKHAS] BONZO4 Launch Announcement - Sun 17th February - Dorset
[23:58] <arko> EMAIL ALL THE THINGS!
[23:59] <Maxell> yay for daily summary ;)
[00:00] --- Sun Feb 17 2013