highaltitude.log.20100714

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[00:05] <Wild-Wing> hello everyone
[00:05] <jcoxon> hi Wild-Wing
[00:07] <Wild-Wing> how are you jcoxon
[00:08] <jcoxon> good thanks Wild-Wing and you?
[00:08] <Wild-Wing> im good thanks for asking
[00:08] <jcoxon> here for balloons?
[00:09] <Wild-Wing> the story caught my eye yea
[00:09] <jcoxon> cool - which launch was that :-)
[00:09] <Wild-Wing> the one on sparkfun
[00:09] <jcoxon> oh cool
[00:09] Action: stilldavid looks side to side
[00:09] <jcoxon> well you are in the right place
[00:09] <fsphil> haha
[00:10] <stilldavid> not sure who mentioned #highaltitude on the sparkfun side of things
[00:10] <jcoxon> fsphil, i've pulled your changes and i've enabled Hell and also put back some tabs for WB8ELK
[00:11] <Wild-Wing> well i found it on some websites through my research
[00:11] <jcoxon> stilldavid, i think brennen mentioned #sparkfun
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[00:11] <jcoxon> oops
[00:11] <jcoxon> i mean mentioned #highaltitude
[00:11] <brennen> huh what?
[00:11] <stilldavid> ah, that's right
[00:12] <brennen> oh yeah, in comments somewhere.
[00:12] <fsphil> thanks jcoxon
[00:12] <jcoxon> trying to remember what other jobs i had
[00:12] <jcoxon> dl-fldigi requests please
[00:12] <jcoxon> (apart from the windows bug)
[00:14] <Wild-Wing> what kinda cameras do you guys/gals use?
[00:14] <jcoxon> the most popular is canon a560
[00:14] <fsphil> jcoxon, text box for upload url?
[00:14] <jcoxon> running the custom CHDK firmware
[00:16] <jcoxon> fsphil, yeah
[00:16] <jcoxon> fsphil, when you added you image tab did you use fluid?
[00:17] <fsphil> ah, no -- I didn't know about that until recently
[00:17] <jcoxon> okay - makes sense
[00:18] <jcoxon> would be worth 'porting' it over just to keep it in correct
[00:18] <fsphil> yes, agreed
[00:20] <jcoxon> will save off on the url for a little bit - need to decide how we are going to go about doing that
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[00:30] <Wild-Wing> this may sound like a stupid question but for those who dont have a ham license what radio would they use?
[00:30] <Randomskk> any, you don't need a license to get the radio in most places
[00:30] <Randomskk> well.
[00:30] <Randomskk> depends on where you are actually w.r.t transmitting
[00:31] <jcoxon> in the UK we use ham radios to receive and then licence-exempt radio modules
[00:31] <Wild-Wing> wrt?
[00:31] <jcoxon> such as the radiometrix ntx2
[00:31] <Randomskk> with regards to
[00:31] <jcoxon> on the balloon
[00:33] <Wild-Wing> ahh ok what about one of those 1 watt 900 mhz radios sparkfun sells would that be good?
[00:33] <jcoxon> they are pretty good
[00:33] <jcoxon> quite pricey
[00:33] <jcoxon> Wild-Wing, it depends a lot on what you want to transmit
[00:34] <jcoxon> they'll get a lot of data over quickly
[00:34] <jcoxon> there are simpler, cheaper, low powered modules which would work just as well
[00:34] <jcoxon> but only for say location data (from a gps)
[00:35] <jcoxon> time for bed for me
[00:35] <jcoxon> night all
[00:35] <Wild-Wing> night jcoxon
[00:35] <jcoxon> Wild-Wing, (check out http://wiki.ukhas.org.uk)
[00:35] <Wild-Wing> thanks for the info
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[00:38] <Wild-Wing> in theory what could you transmit back down?
[00:38] <fsphil> gps data, most importantly
[00:38] <fsphil> occasionally image data
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[00:39] <Laurenceb> SpeedEvil: ping
[00:39] <Wild-Wing> hmmm i think it would be cool to see a picture or two durring the flight
[00:40] <SpeedEvil> pong
[00:40] <Laurenceb> http://www.easyrigging.com/fibres/pbo-zylon-the-high-performance-fibre/
[00:40] <Laurenceb> (on the subject of tether propulsion)
[00:40] <fsphil> it is :)
[00:41] <Laurenceb> thats 20% better than spectra
[00:41] <SpeedEvil> DO you have any thoughts on the best algorithm to find the set of points from a GPS (1/s for around a week) that are inside given radii from the centre? Ignoring for the purposes of centrefinding the ones outside the points?
[00:42] <SpeedEvil> Actually - no - that's mostly a silly idea
[00:42] <Laurenceb> maybe a iterative process
[00:42] <Laurenceb> fairdoos
[00:42] <Laurenceb> yes, there are better statistical techniques to do wht you want there
[00:43] <SpeedEvil> I have a development n900, and I have had no energy for the last week or so, so I'm simply leaving it in a fixed position with a good skyview, and doing GPS accuracy tests on it
[00:43] <SpeedEvil> Interesting (fibre)
[00:43] <Laurenceb> fairdoos, whats the gps
[00:43] <SpeedEvil> But in practice, simply averaging is probably sane
[00:43] <Laurenceb> yeah, that fibre easily gives you a 4.5Km/s tip speed tether
[00:43] <SpeedEvil> Some TI chipset
[00:43] <Laurenceb> interesting, havent come across Ti GPS
[00:44] <SpeedEvil> You won't.
[00:44] <Wild-Wing> hmmm SpeedEvil thats a cool idea just leaving it in one place to see how accurate it is i like that
[00:44] <SpeedEvil> Unless you are willing to buy half a million
[00:44] <Laurenceb> yeah
[00:44] <Laurenceb> oh well I'd better get some sleep
[00:44] <Laurenceb> cya
[00:44] <SpeedEvil> wave
[00:44] <SpeedEvil> Interesing fibre
[00:45] <SpeedEvil> http://www.mauve.demon.co.uk/gps-average.gif
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[00:45] <SpeedEvil> average of various timescales of a GPS - for example. (not the GPS in question)
[00:45] <SpeedEvil> black crosses are 24h
[00:46] <SpeedEvil> There are only really significant gains averageing up to an hour in that case - or for >12h - in between doesn't buy you much
[00:47] <Wild-Wing> hmmm cool
[00:50] <Wild-Wing> how do you know what gps to use?
[00:51] <SpeedEvil> What do you mean?
[00:51] <SpeedEvil> This isn't directly a HA project
[00:52] <fsphil> re gps for balloons -- trial and error :)
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[00:58] <SpeedEvil> Tjere os a list on the wiki
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[01:05] <Wild-Wing> i have read that there is a software out there that predicts where the balloon could land could some one point me to it?
[01:07] <fsphil> tis here --> http://www.hexoc.com/hab/predict/predict/
[01:13] <Wild-Wing> hmm thats a cool one
[01:15] <Wild-Wing> im sorry if i ask too many questions but im a noob and would love experienced opinions
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[01:19] <fsphil> it's very cool
[01:25] <Wild-Wing> very stupid question but how do you know the altitude above 60k feet
[01:27] <fsphil> gps
[01:27] <Wild-Wing> well i read they shouldnt work above that height
[01:28] <fsphil> not all do
[01:28] <fsphil> there is a list on the wiki --> http://ukhas.org.uk/guides:gps_modules
[01:29] <Wild-Wing> lol of course i forgot to check the wiki
[01:29] <fsphil> yep lol, there's a ton of stuff on there. and if it isn't you'll usually get the answer here, though maybe not immediately :)
[01:30] <Wild-Wing> hehe some how i skipped it or i didnt look deep enough
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[01:33] <Wild-Wing> fsphill have you done any flights your self?
[01:33] <fsphil> I build a backup payload for one a few months ago, currently working on my own now
[01:34] <Wild-Wing> cool what are you going to to put in your own?
[01:35] <fsphil> for this one just a camera and the tracking module. I do have a little camera connected to the module for sending down small images during the flight
[01:36] <fsphil> I'll save the more adventurous stuff for later :)
[01:36] <Wild-Wing> cool that sounds fun and smart what are you using for the tracking system
[01:37] <fsphil> it's an avr microcontroller. it takes the strings from the gps module and transmits it out with the ntx2 radio module
[01:38] <fsphil> the guys here have developed a live tracking system that can receive the data and plot it on a map
[01:38] <Wild-Wing> ahh cool and thats insane
[01:38] <fsphil> --> http://spacenear.us/tracker/
[01:38] <Wild-Wing> do you live in england?
[01:38] <fsphil> n.ireland
[01:39] <Wild-Wing> oh cool mate id love to see ireland some time
[01:39] Action: fsphil looks out the window
[01:39] <fsphil> it's wet ;-)
[01:39] <Wild-Wing> lol
[01:40] <fsphil> it does make launching a bit more interesting, we're surrounded by water on three sides
[01:41] <fsphil> you're in the US?
[01:41] <Wild-Wing> yea it does i hope you dont loose yours?
[01:41] <fsphil> me too :) the predictor does help massively with that though
[01:41] <fsphil> takes some of the guesswork out of it
[01:42] <Wild-Wing> yes i bet it would how many flights have you been apart of?
[01:42] <fsphil> just the one so far
[01:43] <fsphil> if all goes to plan there'll be another two this year
[01:45] <Wild-Wing> cool i wish i knew of any clubs or org here id help out
[01:52] <juxta> morning all
[01:54] <fsphil> morning!
[01:54] <Wild-Wing> morning to juxta must be 7 wit hyou
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[01:55] <fsphil> and almost 2am here .. g'night all :)
[01:55] <juxta> 10:30 here :)
[01:56] <Wild-Wing> good night fsphil
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[01:57] <Wild-Wing> so what up juxta
[01:58] <juxta> late breakfast
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[01:59] <griffonbot> @BASE_DePauw: BASE 46 is on for 1400 UTC (10 AM Eastern Daylight Time) on 15 July from Northmont Schools, Crawfordsville, IN (40.11N,86.91W) #GPSL #ARHAB [http://twitter.com/BASE_DePauw/status/18480075756]
[02:00] <juxta> where are you from Wild-Wing?
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[02:00] <Wild-Wing> im from usa mass
[02:01] <Wild-Wing> where are you from juxta
[02:01] <juxta> oh nice
[02:01] <juxta> I'm from South Australia :)
[02:02] <Wild-Wing> cool an ausie!!!!
[02:04] <juxta> hehe
[02:04] <juxta> are you planning a launch yourself Wild-Wing?
[02:05] <Wild-Wing> well im thinking of it
[02:06] <Wild-Wing> i am doing alot of research so i have a clue of what im doing how about you?
[02:07] <juxta> I've done a few launches down here
[02:07] <Wild-Wing> that is so cool
[02:07] <juxta> did you say that you were from Massachusetts?
[02:08] <Wild-Wing> yes i did
[02:08] <juxta> there are some guys who launched from MIT a while ago
[02:09] <Wild-Wing> hehe i read that they did i forgot where they recovered the ballon
[02:10] <juxta> not too far away I think
[02:11] <Wild-Wing> i want to say they launched in sturbrige mass and recovered in a city west of sturbridge
[02:15] <Wild-Wing> so what up with you juxta
[02:15] <juxta> nothing exciting, weather here sucks at the moment
[02:15] <Wild-Wing> here too
[02:17] <juxta> I just submitted a NOTAM to get permission to launch again on Friday though
[02:17] <Wild-Wing> NOTAM?
[02:17] <juxta> notice to air-men
[02:18] <juxta> lets anybody who is flying a plane know to watch out for a big balloon :)
[02:18] <Wild-Wing> ahhhh hehe do you have to do that up in the usa?
[02:19] <juxta> not sure
[02:19] <juxta> I don't know the USA rules :)
[02:19] <Wild-Wing> hmm guess i would have to call the FAA to find out
[02:20] <juxta> there have been lots of launches in the USA
[02:20] <juxta> might be worth sending an email to someone who has launches before
[02:20] <Wild-Wing> true and good idea if i knew of any one here
[02:20] <juxta> I think WB8ELK is quite active: http://hiwaay.net/~bbrown/
[02:22] <Wild-Wing> thanks i will see if i can send him an email
[02:24] <Wild-Wing> what gear have you used in the past for your flights
[02:27] <Wild-Wing> im trying to think of what to use for the vechile
[02:28] <juxta> you can have a look at the flights on the blog Wild-Wing: www.projecthorus.org
[02:28] <juxta> basically a microcontroller + gps is what I use
[02:28] <Wild-Wing> im guessing your baby is called horus
[02:28] <juxta> ;)
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[02:35] <Wild-Wing> what do you use for your reciever when your on the ground
[02:35] <Wild-Wing> im looking but i cant find it yet
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[03:08] <Wild-Wing> Juxta?
[03:08] <juxta> hey Wild-Wing, I use an Icom IC-706MKIIG
[03:10] <Wild-Wing> ok i hope you dont mind me picking your brain
[03:21] <juxta> no worries :)
[03:21] <juxta> ping DanielRichman
[03:26] <Wild-Wing> thanks i hope to send one up one day
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[03:56] <Wild-Wing> ping juxta
[03:57] <juxta> hey Wild-Wing
[03:57] <Wild-Wing> hehe
[03:57] <juxta> what's up?
[03:57] <Wild-Wing> not much
[03:57] <Wild-Wing> whats up with you
[03:59] <juxta> plumber is here, back shortly
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[04:01] <Wild-Wing> ok
[04:20] <Wild-Wing> night
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[06:24] <m1x10> very morning ppl
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[08:15] <jcoxon> morning all
[08:17] <earthshine> morning all
[08:18] <jcoxon> ping juxta
[08:24] <jcoxon> hey fergusnoble, missed you on a floater flight
[08:25] <jcoxon> needed you ability not to sleep
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[08:44] <jonsowman_work> morning jcoxon
[08:44] <m1x10> hey jcoxon
[08:44] <m1x10> hey jonson
[08:44] <jcoxon> morning
[08:44] <m1x10> can you help me for 1 minute ?
[08:44] <jcoxon> me? sure
[08:45] <m1x10> some electronic stuff
[08:45] <m1x10> confusing me
[08:45] <jcoxon> i can try
[08:45] <m1x10> I have Arduino mini pro working at 5V
[08:45] <m1x10> ok?
[08:45] <jcoxon> yup
[08:45] <m1x10> I got the BMP085 pressure sensore
[08:46] <m1x10> which works at 3.3V
[08:46] <m1x10> someone ( dunno who )
[08:46] <m1x10> told thaty
[08:46] <m1x10> I need something
[08:46] <m1x10> in order to connect the 5V arduino to the 3.3V sensore
[08:47] <m1x10> I found this: http://www.sparkfun.com/commerce/product_info.php?products_id=8745
[08:47] <jcoxon> http://www.sparkfun.com/commerce/tutorial_info.php?tutorials_id=65
[08:47] <jcoxon> have a read of this
[08:47] <jcoxon> exactly the issue you hav
[08:47] <jcoxon> e
[08:47] <m1x10> so, this thing is exactly what I need?
[08:47] <jcoxon> well its a guide to connecting a 3.3v sensor to a 5v microcontroller
[08:48] <m1x10> Shall I include it to my next order from sparkfun? or it may not work ?
[08:48] <jcoxon> read the article!
[08:48] <m1x10> man I read
[08:48] <jcoxon> :-p
[08:48] <m1x10> but I dont get too much with electro stuff
[08:50] <jonsowman_work> jcoxon: prediction looking better :)
[08:50] <m1x10> can you take it a look and give some clear answer ?? plz .... :(
[08:51] <m1x10> jonson u still work on improving the prediction master tool ?
[08:51] <jonsowman_work> m1x10: there are still a few bits that need doing when I get time
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[08:52] <jonsowman_work> m1x10: http://github.com/jonsowman/cusf-standalone-predictor/issues
[08:52] <jcoxon> m1x10, the answer is yes it will work - however i was trying to give you a guide as you could easily do it yourself
[08:52] <m1x10> jcoxon, you mean without having to buy it?
[08:52] <jcoxon> the BMP085 is a i2c sensor and that logic convertor does i2c
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[08:52] <jonsowman_work_> whoops
[08:52] <jcoxon> m1x10, yes
[08:53] <m1x10> jcoxon, I appreciate your effort. But could me be able to do your strange electro things?
[08:53] <m1x10> :)
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[08:54] <jonsowman_work__> i seem to be collecting underscores
[08:54] <jcoxon> m1x10, hence why i pointed you in the direction of the guide
[08:54] <jcoxon> so you could see for yourself
[08:54] <m1x10> ok
[08:54] <m1x10> so, what is better for me to do? Buy it?
[08:55] <jcoxon> i would read the guide : http://www.sparkfun.com/commerce/tutorial_info.php?tutorials_id=65 and decide if you can do it yourself
[08:55] <jcoxon> if not then get the little board
[08:55] <m1x10> jonson, I think I can handle "cross browser compatibility" issue
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[08:57] <jonsowman_work__> it has a few quirks, including not working at all in IE7
[08:57] Nick change: jonsowman_work__ -> jonsowman_work
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[08:58] <m1x10> jonson, I got some work and family things to arrange. Plus its getting hot and brains stops responding. In a few hours we will get 38C
[08:58] <m1x10> I can work on it at night. ok?
[08:58] <jonsowman_work> you're welcome to fork the repo and work on it :)
[08:59] <m1x10> nice, I will see what I can do
[08:59] <m1x10> jcoxon, inline resistor method looks simple for me
[08:59] <m1x10> just put 10k resistor betwween the pins.
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[09:02] <jonsowman_work> jcoxon: http://balloon.hexoc.com/gallery/apex-ii/index.php/Apex-II-PCBs/IMG_0778
[09:02] <jonsowman_work> if you're interested
[09:02] <jonsowman_work> ionising radiation detectors for apex II
[09:02] <m1x10> me?
[09:03] <m1x10> loled
[09:03] <jcoxon> oh wow
[09:03] <jcoxon> very cool
[09:03] <jonsowman_work> should be interesting
[09:03] <jcoxon> m1x10, if you are careful and follow that guide you should be fine
[09:03] <DanielRichman> jcoxon: hows it going?
[09:03] <jcoxon> the inline resistors isn't hte 'best' solution as they say
[09:03] <jcoxon> but will certainly work
[09:03] <jcoxon> DanielRichman, hey - realised i don't have clue about your curl/fldigi mashup :-p
[09:04] <jcoxon> tis a bug i'm sure you know about
[09:04] <jcoxon> http://github.com/jamescoxon/dl-fldigi/issues#issue/1
[09:04] <DanielRichman> :-*
[09:04] <jcoxon> i got an output by running it in wine - it replicates the issue
[09:05] <DanielRichman> oh replication in wine makes things easier
[09:05] <jcoxon> pretty certain it replicates it
[09:05] <jcoxon> on a side not i've fixed hellschreiber in dl-fldigi and put back a tab to allow people to turn logging on and off
[09:05] <jcoxon> note*
[09:06] <DanielRichman> :-)
[09:06] <jonsowman_work> is the RV button back?
[09:06] <jcoxon> yes
[09:06] <jonsowman_work> :D
[09:06] <jcoxon> DanielRichman, how long are you in greece for?
[09:06] Nick change: m1x10 -> m1x10^Afk
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[09:09] <m1x10^Afk> jcoxon
[09:09] <m1x10^Afk> what is a pullup resistor?
[09:09] <m1x10^Afk> what's the diff between the normal resistor?
[09:09] <jcoxon> well they are normal resistors
[09:09] <jcoxon> but
[09:10] <jcoxon> you place them on a line to stop the line floating
[09:10] <DanielRichman> jcoxon, I'm half way through the first of two weeks. On the other hand, I am armed with putty and links
[09:11] <m1x10^Afk> line floating?
[09:11] <jcoxon> so on a sensor the output wire might be + or -, it'll vary lots
[09:11] <jcoxon> as its not doing anything
[09:11] <jcoxon> so your arduino might get confused
[09:11] <DanielRichman> just looking at the wine output you posted
[09:11] <jcoxon> so you put a resistor on there to keep it still - so its not 'floating'
[09:11] <jcoxon> DanielRichman, i've got the windows build env working
[09:11] <jcoxon> so can help out
[09:12] <m1x10^Afk> hmm
[09:12] <m1x10^Afk> so when the sensor does not do any output
[09:12] <m1x10^Afk> instead of getting false values
[09:13] <m1x10^Afk> the pullup resistor will keep it in a stable position?
[09:13] <DanielRichman> :-)
[09:13] <m1x10^Afk> something like that?
[09:13] <jcoxon> yes exactly
[09:13] <m1x10^Afk> !!!!!!!!!!!!
[09:13] <m1x10^Afk> experience+=1
[09:14] <m1x10^Afk> about the sensor is says: Connect VCC to VCC and GND to GND, SCL goes to analogue pin 5, SDA to analogue pin4.
[09:14] <jcoxon> yup
[09:14] <jcoxon> are you using the sensor on the sparkfun breakout board?
[09:14] <m1x10^Afk> I will put the 10k resistor only on the VCC line?
[09:14] <m1x10^Afk> yes
[09:14] <DanielRichman> I guess the first step is to find out which line is causing the segfault. We can't attach a debugger easily, so I guess I could add prints at multiple points to find it...
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[09:15] <jcoxon> DanielRichman, would it be easier if i did that
[09:15] <jcoxon> if i stuck a load of fprintf in there
[09:15] <jcoxon> and ran it
[09:16] <m1x10^Afk> jcoxon, I wait for your answer to leave home. cause I'll go but what you adviced me. :)
[09:16] <DanielRichman> yeah :-) I have to go but might be back later. Be sure to fflush or it might crash with stuff stil in the buffer
[09:17] <DanielRichman> well as long as the marker ends in \n I guess it should flush anyway
[09:17] <DanielRichman> bbl
[09:18] <jcoxon> m1x10^Afk, no you'll need to follow the guide
[09:18] <m1x10^Afk> or I need to put the stuff between everyting? that is, VCC, GND, SCL, SDA ?
[09:19] <jcoxon> not gnd
[09:19] <m1x10^Afk> that guide talks about SPI I think
[09:19] <jcoxon> similar to i2c
[09:20] <m1x10^Afk> yes but there is a difference
[09:20] <m1x10^Afk> their schema shows that the first device draws 3.3V from another supply
[09:20] <m1x10^Afk> my sensor will take power from arduino
[09:21] <jcoxon> does it provide 3.3v?
[09:22] <m1x10^Afk> no :) my Arduino mini provides 5V
[09:22] <m1x10^Afk> my normal arduino provides 3.3V
[09:22] <jcoxon> you'll kill the sensor if you give it 5v
[09:23] <m1x10^Afk> so I think I'd better connect the sensor straight to normal arduino board which provides a 3.3V pin hole
[09:23] <m1x10^Afk> and start the coding/tests there
[09:24] <m1x10^Afk> what do u think ?
[09:24] <jcoxon> thats an option yeah
[09:24] <m1x10^Afk> I forgot to tell you! I soldered the humidity and pressure sensors myself :)
[09:25] <m1x10^Afk> I got humidity working telling me I got 45% humidity in my room
[09:25] <m1x10^Afk> :P
[09:26] <jcoxon> great work
[09:27] <m1x10^Afk> :)
[09:28] <m1x10^Afk> jcoxon, I have some resistor with just a black line
[09:28] <m1x10^Afk> means 0
[09:28] <m1x10^Afk> can I use them just as wires?
[09:28] <jonsowman_work> yeh
[09:29] <m1x10^Afk> cause I run out of wire now
[09:29] <m1x10^Afk> ok
[09:29] <m1x10^Afk> I will connect arduino analog pin4,5 with sensor SCL, SDA
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[09:40] <fsphil> On fedora, the windows build gets as far as portaudio when gives a silly build error about deleting files
[09:41] <jcoxon> oh yeah
[09:41] <jcoxon> rm test/*dll
[09:41] <jcoxon> or something
[09:41] <jcoxon> yeah i removed that from the script
[09:44] <jcoxon> brb
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[09:54] <jcoxon> hmmm if you comment out the put_status_safe lines it doesn't crash
[09:55] <m1x10^Afk> damn, I get temp: 327
[09:55] <m1x10^Afk> celsius
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[09:56] <jonsowman_work> bit warm
[09:56] <m1x10^Afk> my room's thermometer shows about 32
[09:56] <m1x10^Afk> could be 32.7 ?
[09:56] <m1x10^Afk> and pressure 99700
[09:56] <m1x10^Afk> :P
[09:56] <fsphil> you live on venus?
[09:57] <m1x10^Afk> shit I need to go to do family affairs. (Mother got anxious)
[09:57] <m1x10^Afk> :)
[09:58] <fsphil> woo, I gots windows binary. now.. where to find a windows box
[10:00] <jonsowman_work> i've got a couple you're welcome to
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[10:01] <jonsowman_work> unfortunately you don't live very near me :p
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[10:02] <jcoxon> bingo
[10:02] <jcoxon> found it this time
[10:02] <jonsowman_work> jcoxon: the bug you mean? :)
[10:03] <jcoxon> yeah
[10:03] <jonsowman_work> \o/
[10:03] <fsphil> woo-hoo!
[10:03] <jcoxon> just tested it - disconnecting mid string, disconnected on start up etc
[10:03] <jonsowman_work> excellent
[10:04] <jonsowman_work> great news :)
[10:04] <jcoxon> not a 'fix' as such
[10:04] <jcoxon> just comment out the bad line
[10:04] <jonsowman_work> jcoxon: you able to roll windows binaries now?
[10:05] <jcoxon> yeah
[10:05] <jcoxon> doing it now
[10:05] <jcoxon> need lots and lots of testing
[10:05] <jcoxon> any one in a position to test now?
[10:05] <fsphil> which line jcoxon ?
[10:06] <jonsowman_work> jcoxon: I'll try and get hold of Matt_soton
[10:06] <juxta> hey jcoxon
[10:06] <jcoxon> 534 and 376
[10:06] <jcoxon> i commented them out and it works
[10:06] <fsphil> I can do some testing here, got windows on a laptop somewhere
[10:07] <fsphil> removing that rm temp line fixed the build too, I can now make an exe
[10:07] <jcoxon> binary coming up
[10:07] <fsphil> the fprintf's?
[10:07] <jcoxon> yes
[10:08] <jcoxon> http://www,pegasushabproject.org.uk/misc/dl-fldigi-3.20.16_setup.exe
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[10:09] <jcoxon> oops bad lin
[10:09] <jcoxon> k
[10:09] <jcoxon> http://www.pegasushabproject.org.uk/misc/dl-fldigi-3.20.16_setup.exe
[10:10] <jcoxon> ca139e76a1b82f8a8db61e02441fbe10 dl-fldigi-3.20.16_setup.exe
[10:11] <jonsowman_work> great stuff James, thanks
[10:11] <jonsowman_work> will get Matt_soton to test it ASAP
[10:11] <jcoxon> jonsowman_work, pah who knows if i'm really right
[10:11] <jcoxon> not a programmer
[10:11] <jcoxon> :-p
[10:11] <jcoxon> oh also thats the latest master as well - a few new features
[10:11] <jonsowman_work> excellent
[10:11] <juxta> hey jcoxon, nice work, I'll test it out shortly
[10:11] <jonsowman_work> well if it fixes the bug then that's all we really need
[10:12] <juxta> I was going through the source today to look at re-enabling the RV button in HAB mode
[10:12] <jcoxon> juxta, done
[10:12] <juxta> oh nice :)
[10:12] <jcoxon> also new button
[10:12] <jonsowman_work> switching the radio to LSB is just too much effort
[10:13] <juxta> jonsowman_work: my radio has a tighter RX filter on CW
[10:13] <jcoxon> allows you to define 2 or more modes and allows quick switching
[10:13] <juxta> oh nice
[10:13] <jcoxon> currently only works for rtty and dominoEx
[10:13] <jonsowman_work> that'll be good for apex II
[10:13] <jonsowman_work> transmitting on 50 and 300 baud alternating
[10:13] <jonsowman_work> we can define one mode as 50, one as 300?
[10:14] <jcoxon> jonsowman_work, thats slightly different though
[10:14] <jcoxon> not yet
[10:14] <jcoxon> but maybe if i have time
[10:14] <jonsowman_work> ah right OK
[10:14] <jonsowman_work> no don't worry it's fine :)
[10:14] <juxta> jcoxon: did you build a cross compiling toolchain to compile for windows?
[10:16] <jcoxon> juxta, danielrichman has - the scripts are on his github
[10:17] <juxta> awesome, I'll have a play once I rebuild this pc with a more modern distro
[10:17] <fsphil> breakfast time, then I'll see if I can crash stuff :)
[10:17] <jcoxon> yeah please get testing
[10:18] <juxta> righto, time to swap out this desk for the a new one, back after i've pulled everything apart
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[10:34] Nick change: m1x10^Afk -> m1x10
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[10:46] <jonsowman_work> morning eroomde
[10:47] <eroomde> morning jonsowman_work
[10:47] <jonsowman_work> lapwing?!
[10:47] <eroomde> webchat
[10:48] <jonsowman_work> ah i see
[10:48] <eroomde> cued ssid turns out to be as flaky as a dead scalp
[10:48] <jonsowman_work> :\
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[10:52] <eroomde_> test
[10:52] <eroomde_> hiccuping wifi
[10:52] <eroomde_> jonsowman_work: desired ascent rate?
[10:52] <jonsowman_work> depends on weather - minimum 5m/s
[10:52] <eroomde_> oh right
[10:52] <eroomde_> so quite substantial
[10:52] <jonsowman_work> yeh
[10:52] <jonsowman_work> big balloon and we don't want it to drift too much
[10:53] <eroomde_> was that you who changed the hourly-pred?
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[10:53] Nick change: eroomde_ -> eroomde
[10:53] <jonsowman_work> yes
[10:53] <eroomde> ah
[10:53] <jonsowman_work> sorry
[10:54] <jonsowman_work> was I not meant to?
[10:54] <eroomde> it was set for something else but it's no big deal
[10:54] <jonsowman_work> I have the previous scenario JSON here if you want it changed back
[10:54] <eroomde> it's fine, won't need it till after the w/e anyway
[10:54] <jonsowman_work> actually it's at home - but I do have it
[10:54] <jonsowman_work> OK
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[10:57] <jonsowman_work> eroomde: is the CUSF 817 and whip in the batcave at the moment?
[10:57] <eroomde> my car i think
[10:58] <jonsowman_work> right
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[11:11] <jonsowman_work> jcoxon: Matt_soton says on initial testing the new version seems fine :)
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[11:14] <jonsowman_work> he'll test properly later
[11:14] <jcoxon> okay - thats a relief
[11:14] <jonsowman_work> thank you again :)
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[11:43] <fsphil> my own windows build crashes as soon as the main window opens, regardless of internet connection or not :)
[11:43] <jcoxon> hehe
[11:43] <jcoxon> does mine crash?
[11:49] <fsphil> it works fine
[11:49] <jcoxon> how strange then
[11:50] <jcoxon> fsphil, any chance you could try and crash it
[11:52] <fsphil> right, without internet connection my build crashes immediately -- with net it only crashes after the wizard
[11:52] <fsphil> your's doesn't crash at all
[11:52] <jcoxon> fsphil, yeah that makes sense
[11:53] <fsphil> so that's probably mine crashing when it's downloading the payload xml
[11:53] <fsphil> where does stderr stuff go?
[11:53] <jcoxon> yeah
[11:53] <jcoxon> i suspect thats why its crashing
[11:54] <jcoxon> to do with threads and not having anywhere for hte fprintf to go
[11:54] <jcoxon> os x and linux cope but windows throws a fit
[11:54] <fsphil> there's an fprint on success too though
[11:55] <jcoxon> true
[11:55] <fsphil> the only difference is the call to curl_easy_strerror
[11:55] <jcoxon> yeah
[11:56] <jcoxon> while not the answer we don't need that fprintf there at the moment
[11:56] <fsphil> yea
[12:01] <m1x10> hey
[12:01] <m1x10> do u have exprerience with pressure values
[12:01] <m1x10> ?
[12:01] <jcoxon> m1x10, not me
[12:01] <m1x10> ok jcoxon
[12:02] <m1x10> I think my sensor module is almost finished
[12:02] <m1x10> I want to add a sd card to save the results
[12:02] <m1x10> Temp: 32
[12:02] <m1x10> Pressure: 22387
[12:02] <m1x10> Humidity: 40%
[12:02] <jonsowman_work> 22387 what?
[12:02] <m1x10> dunno
[12:03] <jonsowman_work> :\
[12:03] <m1x10> :P
[12:03] <m1x10> I am looking for that
[12:09] <m1x10> meteorological barometric pressure reports, where it occurs in the form of hectopascals (1 hPa ? 100 Pa)
[12:10] <m1x10> from wikipedia
[12:10] <m1x10> and the sensor's datasheet talks about hPa
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[12:12] <jonsowman_work> id expect around 100mb
[12:12] <jonsowman_work> *1000mb
[12:13] <jonsowman_work> ie 1000 hPa
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[12:16] <m1x10> datasheet says
[12:17] <m1x10> calculation of true temperature and pressure in steps of 0.1C and 1Pa
[12:19] <jonsowman_work> mhmm
[12:20] <m1x10> for temperature I get raw value 322 323
[12:20] <m1x10> which means 32.2 32.3
[12:20] <m1x10> which is actually my rooms temp
[12:21] <m1x10> the number 22387 is acceptable measured in Pa unit?
[12:21] <jonsowman_work> no
[12:21] <jonsowman_work> don't think so
[12:22] <m1x10> :)
[12:22] <jonsowman_work> it should be around 1000 hPa
[12:22] <m1x10> thx
[12:22] <m1x10> that a point to have in mind
[12:23] <m1x10> Also, 1 hPa = 100 Pa
[12:23] <m1x10> from wikipedia
[12:23] <jonsowman_work> indeed
[12:24] <jonsowman_work> and 1hPa = 1mb
[12:26] <m1x10> however, temp and humidity values are correct
[12:28] <jonsowman_work> :)
[12:28] <m1x10> I think the pressure is correct
[12:28] <m1x10> just needs some kind of unit conversion
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[13:20] <m1x10> Temp: 32.6000022888
[13:20] <m1x10> Pressure: 11239
[13:20] <m1x10> Humidity: 42%
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[13:21] <m1x10> its in Pa
[13:21] <jonsowman_work> that would be 112mb
[13:21] <jonsowman_work> definitely not correct given you're on the ground
[13:22] <jonsowman_work> i'd expect that pressure at 25km ish
[13:22] <m1x10> my altitude from gps is 120-130m
[13:22] <jonsowman_work> not 25km then :)
[13:22] <m1x10> :p
[13:22] <m1x10> still wrong then?
[13:23] <m1x10> Temp: 32.6000022888 C
[13:23] <m1x10> Pressure: 11238 Pa
[13:23] <m1x10> Humidity: 42%
[13:23] <m1x10> 11238 Pa = 112.38 hPa
[13:24] <jonsowman_work> yeh
[13:24] <jonsowman_work> i'd say that's wrong
[13:24] <m1x10> shit then :)
[13:24] <jonsowman_work> 1123.8 hPa would be *slightly* more believable
[13:24] <jonsowman_work> but still probably wrong, that'd be very very high pressure
[13:25] <m1x10> I followed exactly the C code from the datasheet
[13:25] <jonsowman_work> normally ground level is somewhere between 980 and 1040 hPa
[13:25] <m1x10> in it's example, he finds 69965 pressure in Pa
[13:27] <m1x10> im doing something wrong :)
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[13:54] <m1x10> Temp: 326 C
[13:54] <m1x10> Pressure: 1489 Pa
[13:54] <m1x10> Humidity: 42%
[13:55] <m1x10> ping jonson
[13:55] <m1x10> this pressure?
[13:55] <russss> sounds a bit warm
[13:55] <russss> 1489Pa is too high
[13:55] <m1x10> its 32.6 dont worry
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[13:56] <russss> normal atmospheric pressure is 980-1025hPa
[13:56] <m1x10> aaaaaah
[13:56] <m1x10> at least im getting closer
[13:56] <m1x10> before that I was 11238 Pa
[13:56] <m1x10> :P
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[14:24] <eroomde> p
[14:24] <SpeedEvil> hello
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[14:41] <jshriver> hiya
[14:42] <fsphil> hi jshriver
[14:43] <eroomde> spotify now runs natively on linux
[14:43] <eroomde> oh happy daaaaaaaaaaaays
[14:45] <eroomde> oh but premium users only. less happy days
[14:45] <SpeedEvil> Same with phones.
[14:46] <SpeedEvil> I'd love a client on the n900
[14:46] <eroomde> 9.99 a month is really quite a hit
[14:46] <SpeedEvil> yeah
[14:46] <fsphil> I used to love spotify but the adds drove me nuts
[14:47] <eroomde> they seem quite keen that i join the army
[14:47] <fsphil> lol
[14:48] <fsphil> if they did the adverts in such a way that the interface wasn't constantly moving about, it wouldn't be so bad
[14:49] <eroomde> the linux version is premium only because they can't get the adverts to work
[14:50] <fsphil> aah
[14:51] <m1x10> Temp: 323 C
[14:51] <m1x10> Pressure: 99541 Pa
[14:51] <m1x10> Humidity: 41%
[14:51] <eroomde> temp fail?
[14:52] <eroomde> l
[14:52] <m1x10> no, its 32.3
[14:52] <m1x10> I wonder about pressure
[14:52] <m1x10> <russss> normal atmospheric pressure is 980-1025hPa
[14:52] <eroomde> test#
[14:52] <m1x10> 99541 Pa = 995.41 hPa
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[15:10] <m1x10> ok, I think I did it
[15:10] <m1x10> Temp: 32 C
[15:10] <m1x10> Pressure: 995.27 hPa
[15:10] <m1x10> Humidity: 41%
[15:11] <m1x10> considering I live in hill above the city
[15:11] <m1x10> 120m from sea
[15:11] <m1x10> air pressure is less
[15:11] <m1x10> 120m above the sea
[15:13] <jshriver> what's spotify?
[15:14] <jshriver> nvm googled it :)
[15:17] <m1x10> cool
[15:17] <m1x10> now I can measure some altitude from pressure :)
[15:17] <m1x10> Temp: 32 C
[15:17] <m1x10> Pressure: 995.40 hPa
[15:17] <m1x10> Humidity: 41%
[15:17] <m1x10> Altitude: 149
[15:24] <juxta_> which balloon suppliers have people used in the past?
[15:24] <juxta_> I just called Kaymont who are out of 1500g balloons until september :(
[15:24] <m1x10> juxta, I hear most from Kaymont
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[15:25] <rjharrison> EARS in the media http://www.bbc.co.uk/news/10613579
[15:28] <jshriver> What's ears?
[15:29] <jshriver> <-- feels brain dead today
[15:29] <sbasuita> jshriver: east anglia rocketry society
[15:29] <jshriver> oh nice
[15:29] <jshriver> congrats :)
[15:29] <sbasuita> we launched our balloon there ;)
[15:30] <jshriver> very nice
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[15:45] <jonsowman_work> juxta_: steve has some 1500g in stock i think
[15:45] <juxta_> cheers jonsowman
[15:45] <jonsowman_work> i dont know how shipping will work out
[15:45] <jonsowman_work> compared to buying from kaymont
[15:45] <juxta_> yeah, it's kind of steep to Aus
[15:45] <jonsowman_work> yeh I thought it would be
[15:45] <juxta_> i'm actually hoping to try some others from around the place
[15:45] <juxta_> there are some Chinese, Indian & Korean manufacturers
[15:45] <juxta_> if the price is right I'll give them a go
[15:46] <jonsowman_work> there's Totex
[15:46] <jonsowman_work> nearly used them for Apex I
[15:46] <jonsowman_work> but went for Kaymont - I think Totex are Japanese
[15:47] <juxta_> hmm - did you get a response out of them? I've emailed Totex and got nothing back from them in the past
[15:47] <juxta_> I think Kaymont actually sell Totex balloons anyway
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[15:50] <jonsowman_work> juxta_: no, sorry
[15:51] <jonsowman_work> that's the reason I went for Kaymont instead
[15:51] <jonsowman_work> though I have seen Totex balloons on eBay very regularly
[15:51] <juxta_> jonsowman_work: any idea on how long balloons keep?
[15:53] <jonsowman_work> a long time when out of sunlight and UV
[15:53] <jonsowman_work> they are the main culprits for killing them
[15:53] <jonsowman_work> keep them somewhere dark, cool and dry
[15:53] <jonsowman_work> and they'll be fine for a long time
[15:55] <juxta_> i'll stockpile a bunch and put them in the cellar ;p
[15:57] <jonsowman_work> yeh should be fine
[15:57] <SpeedEvil> Also - some chemicals may attack them even in vapour form
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[16:00] <SpeedEvil> For example - ethelyne will make them go brown.
[16:00] <SpeedEvil> Or maybe that's just banannas.
[16:00] <rjharrison> Hey james
[16:00] <rjharrison> EARS in the media http://www.bbc.co.uk/news/10613579
[16:00] <jcoxon> hi rjharrison
[16:01] <juxta_> hmm
[16:01] <jcoxon> cool
[16:01] <juxta_> anything common likely to affect them? mine had turned orange when I pulled it out the other day
[16:02] <SpeedEvil> more seriuously.
[16:02] <juxta_> wow, you guys can launch rockets out in a field? that's awesome - here we have to go into the middle of the desert and in a bunker etc :(
[16:02] <jonsowman_work> juxta_: only because we don't have any deserts
[16:02] <SpeedEvil> I would expect them to be affected by nitrogen compounds, and also ozone and stuff
[16:02] <SpeedEvil> jonsowman: Woomera rocket range!
[16:02] <juxta_> SpeedEvil: yup :)
[16:03] <juxta_> how big are the rockets launched at EARS?
[16:04] <juxta_> (i see it says 4m, but what sort of altitudes/speeds are reached?)
[16:05] <SpeedEvil> IIRC ~few Km, and mach 1
[16:06] <SpeedEvil> GEtting past the bulk of the atmosphere for small rockets has hugely major isues
[16:06] <juxta_> similar to what we launch here then
[16:06] <SpeedEvil> basically that you need a small thrust for a long time.
[16:06] <SpeedEvil> Which basically absolutely makes control mandatory
[16:06] <juxta_> we launch Zuni's here, which do about mach 1.4 and reach 5km or so
[16:06] <SpeedEvil> as otherwise they tip over, and hit bystanders a few dozen km away
[16:06] <jcoxon> juxta_, i've closed your issue on dl-fldigi github
[16:06] <juxta_> jcoxon: awesome :D
[16:06] <jcoxon> as tis fixed
[16:07] <juxta_> well done
[16:07] <jonsowman_work> \o/
[16:08] <juxta_> all glory to those who are brave enough to navigate the code of fldigi
[16:08] <jcoxon> ha i wouldn't go that far
[16:08] <jcoxon> considering its a bug of our own making
[16:09] <juxta_> heh
[16:10] <juxta_> jcoxon: any idea why i was having issues with po/fr.gmo when compiling?
[16:10] <juxta_> SpeedEvil: the zuni's that get launched here have a somewhat bad rep: http://en.wikipedia.org/wiki/1967_USS_Forrestal_fire
[16:11] <SpeedEvil> Is Zuni a generic term?
[16:11] <jcoxon> juxta_, nope
[16:12] <juxta_> Zuni's were a rocket model/type I believe SpeedEvil
[16:12] <juxta_> ah well, we'll see how it goes when I upgrade the distro
[16:13] <m1x10> juxta, I think I made it
[16:13] <m1x10> I mean jcoxon
[16:13] <m1x10> :P
[16:13] <m1x10> Temp: 32.70 C
[16:13] <m1x10> Pressure: 995.01 hPa
[16:13] <m1x10> Humidity: 43%
[16:13] <m1x10> Altitude: 152m
[16:13] <m1x10> --------------------------
[16:15] <juxta_> that looks right for pressure at that altitude m1x10
[16:15] <m1x10> GPS reports almost the same alt
[16:16] <m1x10> 130-140
[16:16] <juxta_> great - what pressure sensor are you using?
[16:16] <m1x10> BMP085 from sparkfun
[16:17] <m1x10> it includes an temperature sensor too
[16:17] <m1x10> so you have temp, alt, pressure in a small chip :)
[16:18] <juxta_> oh right, I know the one :)
[16:18] <m1x10> pretty easy to code it
[16:18] <m1x10> I started 4-5 hours ago and just finished
[16:19] <juxta_> only downside is the alt/pressure limit
[16:19] <m1x10> what limit? !
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[16:19] <juxta_> that sensor will only give you a reading down to 300hPa, anything lower than that it'll just give you the same reading
[16:20] <jonsowman_work> blimey 300mb
[16:20] <jonsowman_work> that's not great :\
[16:20] <juxta_> which translates to ~9km
[16:20] <m1x10> oh :(
[16:20] <juxta_> yeah, it's a bit of a shame
[16:20] <m1x10> not again limits
[16:20] <m1x10> first with gps
[16:20] <juxta_> m1x10: you'll get a graph that looks like this:
[16:20] <jonsowman_work> apex 2's pressure sensor bottoms out at 150mb
[16:20] <m1x10> now with pressure
[16:20] <jonsowman_work> but then that's a free sample job and we're not using it for altitude
[16:21] <juxta_> http://projecthorus.org/wp-content/uploads/2010/02/temp.png
[16:21] <juxta_> I used a different sensor there, it went to 115hPa
[16:21] <m1x10> crap
[16:21] <juxta_> so you can see it zeros out at 15km
[16:21] <m1x10> y
[16:21] <juxta_> but that's okay - it lines up with the GPS nicely!
[16:21] <m1x10> man
[16:22] <m1x10> I started to be happy for a while
[16:22] <m1x10> again same shit
[16:22] <m1x10> so is there any normal pressure sensor?
[16:22] <juxta_> m1x10: not the end of the world - I don't think there are any reasonably priced sensors that run on nice voltages that do a decent range
[16:22] <juxta_> at least none that I've seen
[16:22] <jonsowman_work> juxta_: lines up with the GPS *very* nicely
[16:23] <jonsowman_work> that's neat
[16:23] <jonsowman_work> m1x10: there are sensors (Honeywell do them) but they're not MEMS type
[16:23] <jonsowman_work> they are big, need more power, and are not at all cheap
[16:23] <juxta_> they all bottom out somewhere that makes them annoying for HAB use, or need high voltages
[16:24] <juxta_> jonsowman_work: yeah, we took a reading at ground level so that we could apply the correct offset for the days weather :)
[16:24] <jonsowman_work> nice
[16:24] <jonsowman_work> good work - that's really cool
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[16:25] <juxta_> cheers - it was really handy as we launched without GPS lock (as you can see in the graph)
[16:25] <juxta_> we had out own offline tracking software which did the conversion to pressure alt too, so that we had an idea of the height until it got lock
[16:26] <jcoxon> juxta_, launch without a lock
[16:26] <jcoxon> eek
[16:26] <juxta_> haha
[16:26] <jonsowman_work> brave
[16:26] <rjharrison> juxta_ is brave
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[16:26] <rjharrison> lol
[16:26] <juxta_> yes, Ed said the same I recall :)
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[16:26] <juxta_> we didn't really have a choice! nothing was getting lock on the ground, even my car GPS
[16:26] <juxta_> so we figured it was something going on around us
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[16:27] <juxta_> we had 3 gps systems on that payload too: the flight computer, a SPOT tracker & a commercial radiosonde
[16:28] <juxta_> but sshh, don't tell the met beauro about the radiosonde :)
[16:29] <m1x10> http://jz10.java.no/java-4-ever-trailer.html
[16:29] <m1x10> some fun
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[16:36] <m1x10> how is possible to measure external temperature without freezing the payload/
[16:36] <m1x10> ?
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[16:36] <juxta_> m1x10: a wire hanging out with a temp sensor on it
[16:37] <m1x10> the sensor wont fail outside?
[16:37] <m1x10> can you tell me which did u use?
[16:37] <juxta_> the ds18b20
[16:38] <juxta_> and no, they'll give you a reading down to -55 I think
[16:38] <juxta_> or -50
[16:38] <m1x10> sparkfun?
[16:38] <juxta_> yep, sparkfun have them
[16:41] <m1x10> good
[16:41] <m1x10> Tomorrow i will load paypal
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[16:41] <m1x10> and make some orders :)
[16:43] <m1x10> juxta, where did you save the results?
[16:45] <fsphil> what have the bbc done to their website?
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[16:45] <juxta_> m1x10: what do you mean?
[16:46] <fsphil> I'm gonna have to make a point of attending ears next year
[16:48] <m1x10> the graphs juxta
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[16:48] <m1x10> you saved the results somewhere
[16:49] <m1x10> and then used them to produce the graphs
[16:50] <juxta_> oh
[16:50] <juxta_> excel ;)
[16:50] <m1x10> noooo
[16:51] <m1x10> i mean during flight
[16:51] <m1x10> where they were saved !!
[16:51] <m1x10> inside the payload man !
[16:51] <juxta_> oh right, an SD card
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[16:51] <m1x10> microSD arduino shield?
[16:51] <juxta_> but they were transmitted down too
[16:52] <juxta_> not microsd, just regular SD, but essentially the same thing
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[16:52] <m1x10> you had communication all the time?
[16:52] <juxta_> yeah, the normal telemtry
[16:53] <m1x10> :)
[16:53] <juxta_> alrighty, bed time here
[16:53] <juxta_> night all
[16:53] <m1x10> bb
[16:54] <fsphil> night juxta_
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[18:58] Nick change: brennen -> brennen|lunch
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[19:09] <jonsowman> hi DB10
[19:09] <DB10> hi
[19:09] <fsphil> all still go for saturday jonsowman?
[19:10] <jonsowman> DB10: how did things go today?
[19:10] <jonsowman> fsphil: we are indeed
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[19:10] <jonsowman> predictions are quite changeable at the moment but by tomorrow night we should have a good idea
[19:10] <fsphil> good good!
[19:11] <jonsowman> aiming to be at the launch site by 10:00
[19:11] <jonsowman> but we might delay it a bit
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[19:34] <fsphil> nice thunderstorm in the north of england at the moment
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[19:37] Action: LazyLeopard checks for thunderstorms nearer home. Got the radio connected to the HF antenna outside...
[19:39] <fsphil> aah
[19:39] <fsphil> I've heard the end connector on an hf antenna can arc during a storm
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[19:42] Nick change: JamesLeeds_ -> JamesLeeds
[19:44] <Wild-Wing> hi
[19:46] <jonsowman> hi Wild-Wing
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[19:47] <Wild-Wing> how are you
[19:47] <jonsowman> fine thanks
[19:47] <jonsowman> yourself?
[19:47] <Wild-Wing> im decent
[19:47] <jonsowman> :)
[19:47] <jonsowman> good good
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[19:50] <Wild-Wing> jonsowman have you sent up a balloon before?
[19:50] <jonsowman> yes
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[19:51] <Wild-Wing> thats cool how many have you sent up? did you loose any?
[19:52] <jonsowman> apex I was lost due to GPS error
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[19:52] <jonsowman> have been involved with a few launches at CUSF
[19:52] <jonsowman> next launch saturday :)
[19:53] <rjharrison> jonsowman, i'm going to be in france :(
[19:53] <jonsowman> rjharrison: sounds nice!
[19:54] <Wild-Wing> cool so you only lost one that cool
[19:55] <jonsowman> hopefully we will be getting apex-ii back
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[20:00] <Wild-Wing> hehe what are you putting in apex 2
[20:01] <jonsowman> http://www.hexoc.com/pages/apex/apex-ii.php
[20:01] <jonsowman> :)
[20:02] <jonsowman> brb
[20:02] Nick change: brennen|lunch -> brennen
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[20:10] <Wild-Wing> ok i like your gear page
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[20:28] <Wild-Wing> wow lot of people leaving
[20:28] <jonsowman> hyeh
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[20:37] <jonsowman> rjharrison: ping
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[20:56] <Wild-Wing> hehe
[20:59] <Wild-Wing> jon what is your case going to be made of?
[21:00] <jonsowman> carbon fibre plates with expanded polystyrene sandwiched
[21:01] <Wild-Wing> ah nice rigid with carbon fiber nice choice how thick is the rigid going to be?
[21:01] <jonsowman> about 6mm plates
[21:01] <jonsowman> maybe 8mm
[21:01] <jonsowman> can't remember offhand
[21:02] <Wild-Wing> the polystryene? is going to be 2.5 inches thick?
[21:03] <jonsowman> roughly
[21:03] <jonsowman> the google sketchup files are on github
[21:03] <jonsowman> we will see how much poly we need to fit it all in
[21:05] <Wild-Wing> wow i am thinking of using some high density polystyrene
[21:07] <Wild-Wing> any sugestions on how to keep the box together
[21:09] <Randomskk> duct tape
[21:09] <Randomskk> of course
[21:09] <jonsowman> definitely
[21:10] <Randomskk> this tiny13 is cute
[21:10] <Randomskk> they're so much better than pic12f625s
[21:10] <Wild-Wing> whats a tiny13
[21:10] <Randomskk> small microprocessor
[21:10] <Randomskk> plus check it out, 240µA running at 1MHz 1.8V
[21:10] <Randomskk> <0.1µA in sleep mode
[21:10] <jonsowman> wow
[21:10] <Wild-Wing> thats decently fast man
[21:11] <g8tmv> which arch is it?
[21:11] <Randomskk> this thing will be waking up something like every ten seconds for some tiny fraction of a second
[21:11] <Randomskk> g8tmv: AVR
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[21:11] <g8tmv> ok, so an ARM clone
[21:11] <Randomskk> so hopefully run for a good long while on a single coin cell
[21:11] <Randomskk> might put in two
[21:11] <Randomskk> g8tmv: well
[21:11] <Randomskk> not really
[21:11] <Randomskk> I don't think I'd call AVRs ARM clones exactly
[21:11] <g8tmv> coin cells are bad at low temp I thought
[21:11] <Randomskk> this isn't going in to space, but they should be fine - lithium
[21:12] <Randomskk> AVRs and ARMs are both RISC style micros
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[21:14] <Wild-Wing> hmmm how do you program one of those suckers
[21:15] <Randomskk> ICSP
[21:15] <Randomskk> 6 pin interface
[21:15] <Randomskk> but the pins can be used for i/o otherwise
[21:15] <Randomskk> 6 pins including power
[21:15] <Randomskk> it's basically SPI for AVRs
[21:15] <Wild-Wing> ok that went over my head
[21:15] <Randomskk> you buy a programmer
[21:16] <Randomskk> it connects to the device with 6 connections
[21:16] <Randomskk> you write code in C
[21:16] <Randomskk> or assembler
[21:16] <Wild-Wing> oh k
[21:16] <Wild-Wing> i get it now
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[21:21] <Wild-Wing> i think i hear crickets
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[21:24] <rjharrison> ping RocketBoy
[21:24] <RocketBoy> yo!
[21:24] <rjharrison> pm
[21:24] <RocketBoy> ok
[21:27] <jonsowman> rjharrison: can i borrow you for a minute
[21:29] <rjharrison> Sure
[21:29] <jonsowman> could you please replace robertharrison.org/listen/apex.xml
[21:29] <jonsowman> with this:
[21:29] <jonsowman> http://github.com/mattbrejza/APEX/blob/master/XML/apex.xml
[21:29] <rjharrison> sure
[21:29] <jonsowman> thank you :)
[21:37] <rjharrison> jonsowman done
[21:37] <jonsowman> rjharrison: thanks very much
[21:37] <rjharrison> Please test
[21:37] <rjharrison> I'll give you login if needed
[21:38] <jonsowman> if you don't mind that'd be great
[21:38] <jonsowman> it's likely to need changing again
[21:41] <rjharrison> jonsowman pm
[21:42] <jonsowman> rjharrison: cheers :)
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[21:59] <Randomskk> so this thing can actually wake itself up from power down mode
[21:59] <Randomskk> in other words, less than 0.1µA current
[21:59] <Randomskk> I suspect the coin cells have a higher self discharge
[21:59] <jonsowman> :)
[22:13] <Wild-Wing> boo
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[22:15] <fsphil> hoo
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[22:36] <m1x10> hi
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[22:43] <Wild-Wing> how isevery one
[22:54] <fsphil> somewhat awake
[22:54] <fsphil> not long back from the local mountain, watching some storms
[23:01] <m1x10> storms..these days im looking to arm my canon with a CHDK script which does catch-lighting
[23:01] <m1x10> :)
[23:02] <Wild-Wing> thats cool
[23:02] <fsphil> ooh yea, I forgot chdk could do that
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[23:07] <m1x10> sure it can
[23:23] <m1x10> gnite HABS
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[23:23] <jnd> I used the lightning script, works great, but sometimes the angle is just not enough to catch them all
[23:40] Nick change: brennen -> brennen|out
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[00:00] --- Thu Jul 15 2010