highaltitude.log.20130224

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[00:12] <Hix> any unix bods know how to keep /etc/resolv.conf from resetting itself? My dns is screwed and it'd be cool if I could keep it at 8.8.8.8 but it keeps going back to 192.168.1.254
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[00:32] <arko> Upu: get my message about the try stuff?
[00:33] <arko> Rtty*
[00:34] <DanielRichman> Hix: can you run the system-config-network program? You will need the graphical desktop rather than a terminal to do that though
[00:35] <Hix> nope, it's minimal install of CentOS
[00:35] <DanielRichman> okay, plan B: from http://www.centos.org/docs/5/html/Deployment_Guide-en-US/s1-dhcp-configuring-client.html
[00:35] <DanielRichman> we want to edit /etc/sysconfig/network-scripts/ifcfg-eth0 and set PEERDNS=no
[00:36] <Hix> nice - I'll give it a go
[00:36] <DanielRichman> once you've set PEERDNS=no you can reboot or do whatever, then edit resolv.conf once setting it to 8.8.8.8; hopefully for the last time
[00:36] <DanielRichman> I have to go, but good luck ;-)
[00:37] <OZ1SKY_Brian> gn
[00:37] <Hix> tried it we'll see, cheers DanielRichman
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[00:37] <Hix> gn
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[00:56] <griffonbot> @ProjectBlast: We will be looking to reschedule the launch from Dovers Hill for next Saturday, all eyes on @metoffice and http://t.co/lpCtrKHl8N #UKHAS [http://twitter.com/ProjectBlast/status/305481408242135040]
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[01:36] <cstubbs_M6EDF> Im off, night all!
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[06:17] <arko> damn it
[06:17] <arko> epoxy takes forever to dry
[06:17] <arko> i want my antenna already!
[06:17] <arko> stupid chemistry
[06:19] <Darkside> haha
[06:19] <Darkside> what on the antenna are you epoxying?
[06:20] <arko> http://i.imgur.com/4IIx0Ri.jpg
[06:21] <arko> gonna talk to some noaa sat's
[06:21] <arko> well... listen to
[06:21] <arko> http://www.youtube.com/watch?v=fopnIkYnFPI
[06:21] <arko> liek dis
[06:21] <arko> <3 hilti tools
[06:22] <Darkside> ahh
[06:22] <arko> it's a quadrifilar
[06:22] <Darkside> eggbeater
[06:22] <arko> haha
[06:22] <arko> yeah
[06:23] <arko> i'm taking this opportunity to drink saki
[06:23] <Darkside> haha
[06:23] <Darkside> i've got a cross yagi i've been meaning to fix up for a while now
[06:23] <Darkside> i need to re-do the matching and phasing
[06:23] <Darkside> which is of course the hardest part..
[06:23] <arko> oh nice
[06:23] <arko> yeah
[06:23] <arko> thats why i wish i had a network analyzer
[06:23] <Darkside> this is for 70cm tho
[06:23] <Darkside> yes
[06:23] <arko> my old job had one and it was amazing
[06:23] <Darkside> a network analyzer is *Really* damn useful
[06:23] <arko> fixed all my antennas
[06:23] <arko> srsly
[06:24] <Darkside> you can do a limited subset with a SWR meter
[06:24] <Darkside> but it doesn't tell you the antenna impedance
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[07:28] <jcoxon> we should make balloons priority on spacenear.us
[07:28] <jcoxon> so that chase cars always go at hte bottom of the list
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[07:35] <SP9UOB_Tom> morning all
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[07:38] <radim_OM2AMR> SP9OUB_Tom, what's your launch time today ?
[07:42] <arko> Spent a few hours building a slightly ghetto quadrifilar antenna, time to talk to NOAA satellites :) http://i.imgur.com/Y0HllQC.jpg
[07:43] <arko> except the next pass is at 3am >_>
[07:43] <arko> if only the epoxy dried earlier
[07:49] <SP9UOB_Tom> radim_OM2AMR: 10:00 local time
[07:49] <radim_OM2AMR> Tomek, great. Good luck ! :-)
[07:50] <SP9UOB_Tom> radim_OM2AMR: this time straight to north" http://habhub.org/predict/#!/uuid=24e902d2fe8bb2c1b8633f8abf7b142c770029f5
[07:50] <SP9UOB_Tom> radim_OM2AMR: thank You :-)
[07:51] <SP9UOB_Tom> arko: cool :-)
[07:51] <costyn> SP9UOB_Tom: looks good
[07:51] <SP9UOB_Tom> yeah, i try to archeive floating
[07:52] <costyn> ah, so if it does it should keep going north ?
[07:52] <radim_OM2AMR> small balloon again ?
[07:54] <SP9UOB_Tom> radim_OM2AMR: yes :-) The last was found in Hungary - near Romanian border: http://sp9uob.verox.pl/sputnik-2/sputnik-3-land.jpg
[07:54] <radim_OM2AMR> Tomek, yes, I read it :-) When you get it back, you can investigate GPS issues probably
[07:54] <SP9UOB_Tom> costyn: yes
[07:55] <radim_OM2AMR> arko, great antenna, looking forward the first NOAA images from you :-)
[07:56] <SP9UOB_Tom> ok is time to cal to the ATC
[07:56] <SP9UOB_Tom> call
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[08:04] <SP9UOB_Tom> ok to go :-)
[08:04] <SP9UOB_Tom> sooooo maaaannny stations on the map :-)
[08:05] <mclane> Tom- flight today??
[08:05] <costyn> SP9UOB_Tom: wow!
[08:05] <costyn> SP9UOB_Tom: you really got a lot of Polish amateurs up & running :)
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[08:13] <SP9UOB_Tom> costyn: yeah! Polish HAMS are awesome :-)
[08:13] <SP9UOB_Tom> mclane: at 9:00 UTC
[08:17] <SP9AMH> cze[ 437.600?
[08:22] <SP9AMH> t sp9uob leci juz bo nic nie szlysze?
[08:26] <Upu> morning
[08:30] <SP9UOB_Tom> SP9AMH: o 10:00 lokalnego start
[08:30] <SP9UOB_Tom> morning Upu
[08:30] Action: SP9UOB_Tom is going to tha launch site
[08:30] <Upu> good flight
[08:31] <SP9UOB_Tom> thank You
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[08:49] <arko> SP9UOB_Tom: radim_OM2AMR: thanks :) I look forward to tomorrow as well
[08:49] <arko> Upu: great tutorial dude, got things running in like 5 mins
[08:49] <arko> Very straight forward :)
[08:50] <arko> Gonna slap on the GPS tomorrow and do a hab packet
[08:50] <arko> Tom: good flight dude!
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[08:55] <mclane> Tom: good flight!
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[09:04] <Elwell> launched?
[09:05] <number10> looks like it
[09:06] <Maxell> Yep.
[09:06] <Maxell> On time. Wow :)
[09:06] <daveake> Shocking :-)
[09:06] <fsphil> raintoday has been down all weekend
[09:07] <fsphil> who broke it? :)
[09:08] <number10> no rain expected so they shut it down to save power ;)
[09:09] <daveake> 404 - rain not found
[09:09] <number10> http://www.bbc.co.uk/news/entertainment-arts-21563344
[09:10] <fsphil> exterminated
[09:15] <fsphil> interesting ascent rate
[09:15] <fsphil> going for a float SP9UOB_Tom?
[09:16] <SP9UOB_Tom> fsphil: i hope so
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[09:17] <jcoxon> morning Upu
[09:20] <Maxell> CC
[09:22] <Maxell> s/CC//
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[09:27] <jcoxon> just loading up the flight predictions for sp9uob
[09:27] <Hix> Maxell is that the new hackspace setup showing up on spacenear?
[09:28] <Hix> jcoxon: this is from SP9UOB_Tom las night http://habhub.org/predict/#!/uuid=24e902d2fe8bb2c1b8633f8abf7b142c770029f5
[09:30] <jcoxon> i'll get the realtime ones working
[09:30] <Maxell> Hix: yes. I was ready for the launch that is happening today :(
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[09:31] <jcoxon> so many polish hams!
[09:31] <Hix> oh, BLAST? bummer, Poland is a little too far i reckon, but worth a go
[09:31] <SP9UOB_Tom> im proud :-)
[09:31] <fsphil> always worth a try
[09:31] <jcoxon> its always worth a try
[09:31] <Hix> hey SP9UOB_Tom on time?!?!
[09:32] <fsphil> the atmosphere does sometimes throw 70cm signals further
[09:32] <jcoxon> 800km is the record
[09:32] <SP9UOB_Tom> Hix: what on time? Launch ?
[09:32] <Hix> what better way to test than if you could pick that up :)
[09:32] <Hix> yup SP9UOB_Tom
[09:32] <SP9UOB_Tom> Hix: exactly!
[09:32] <SP9UOB_Tom> :-)
[09:32] <Hix> damn polish efficiency :)
[09:33] <SP9UOB_Tom> ;-)
[09:33] <Hix> you need ISH factor
[09:34] <daveake> polish time already includes ish
[09:34] <fsphil> there *that* efficient
[09:34] <fsphil> they're*
[09:35] <daveake> Doesn't work for Irish or Engish mind ...
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[09:35] <daveake> +l
[09:36] <SP9AMH_Mariusz> shift 470Hz
[09:37] <SP9UOB_Tom> SP9AMH_Mariusz: just pick the flight from the list and click "autoconfigure"
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[09:44] <Maxell> Yeah .pl is more then 1000 kilometers away. :(
[09:44] <fsphil> only 200km more than the record then :)
[09:45] <Maxell> And at the best point just 915 kilometers.
[09:45] <x-f> if it bursts where predicted, i'll be just 200 km from its horizon :)
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[09:51] <Jess--> can someone just confirm a couple of things for me?
[09:52] <fsphil> it is definitely a Sunday
[09:52] <fsphil> and I can confirm that it is not raining here
[09:52] <Jess--> 1. no radar reflectors on high altitude balloons in the UK
[09:52] <fsphil> correct
[09:52] <Jess--> 2. no permission needed for pico balloons (under 2m in any dimension)
[09:53] <fsphil> also correct
[09:53] <Jess--> many thanks, have a memeber of the team here that is convinced we need a lightweight radar reflector
[09:53] <jonsowman> 2. includes remaining under 2m in any dimension for the entire flight
[09:53] <fsphil> that 2m includes the balloons
[09:53] <jonsowman> just to clarify
[09:54] <fsphil> yes which is annoying :)
[09:54] <Maxell> -6°C!
[09:55] <Jess--> I understood the 2m limit was for the entire duration (no expanding in flight) but I thought that 2m had to include the payload
[09:55] <fsphil> it does
[09:55] <jonsowman> it includes everythin
[09:55] <jonsowman> g
[09:55] <fsphil> it's everything
[09:55] <jonsowman> must fit within a 2m diameter sphere
[09:56] <fsphil> most of our flights could fit within a 2m sphere I suspect
[09:56] <fsphil> at launch
[09:56] <Jess--> and at retreival o doubt
[09:56] <fsphil> but they quickly expand
[09:56] <Jess--> 0 = no
[09:56] <fsphil> and the cord is usually pretty long
[09:56] <jonsowman> I usually put a good 30m of cord on latex HABs
[09:57] <daveake> Yeah me too
[09:57] <Elwell> so you have 2 2m spheres, they just happen to be connected...
[09:57] <daveake> Except when Upu helps as he can't measure :p
[09:57] <jonsowman> lol
[09:57] <jonsowman> I just pull it into thirds but I don't measure it :)
[09:57] <Jess--> is to try and keep the remains of the balloon away during descent (the length of cord)
[09:57] <jonsowman> Jess--: partly
[09:58] <daveake> We've calibrated the car park I usually fill at :)
[09:58] <fsphil> I'm normally using 10m
[09:58] <jonsowman> Jess--: that is helped by having the length of cord payload-chute be very different to that of chute-balloon
[09:58] <jonsowman> but also the longer the cord, the longer the swing period
[09:58] <jonsowman> you know, normal equation for a pendulum
[09:59] <jonsowman> which helps decodability
[09:59] <Jess--> i'm with you
[10:00] <Jess--> now for probably a silly question... chute or no chute on a pico that's around 20g
[10:00] <jonsowman> are you launching this on foils?
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[10:00] <Jess--> it will be
[10:01] <jonsowman> one or multiple?
[10:01] <Jess--> undecided
[10:01] <jonsowman> the problem is that they rarely burst cleanly, like latex
[10:01] <daveake> For 2, when one bursts the other one limits the descent rate
[10:01] <jonsowman> so you have your 20g of payload plus the dead weight of the foil
[10:01] <Jess--> in my mind I see quite a bit of drag from balloon remains on the descent
[10:01] <jonsowman> in the case of one balloon
[10:01] <daveake> For 1, well, usually they come down slowly enough
[10:02] <jonsowman> it depends a bit on where it's landing as well
[10:02] <jonsowman> if you're very confident it's going in the sea, then that changes things
[10:02] <daveake> Which for a pico is kinda random
[10:02] <daveake> indeed
[10:02] <jonsowman> yes exactly
[10:02] <jonsowman> with a pico that's quite hard to predict
[10:03] <SP9UOB_Tom> Receivers: SP9UOB, SQ3OOK, SP3VSS, SQ9KEJ, SQ5RTW, SQ9DIQ, SP5VR, SP9RTT, SP5MG, SP3RNY, SQ9PPT, SQ9SMC, SQ9ORD, SQ5AAG, SP9OHY, SQ9OKI, SP5MNC
[10:03] <SP9UOB_Tom> :-)
[10:04] <jonsowman> nice
[10:04] <jonsowman> so many trackers on the map
[10:04] <jonsowman> I think SP5ULN might have their position set wrong
[10:06] <SP9UOB_Tom> jonsowman: where is he?
[10:06] <fsphil> they need to be more positive
[10:06] <jonsowman> about 500 miles off the west Irish coast
[10:06] <SP9UOB_Tom> i see :-)
[10:06] <SP9UOB_Tom> fsphil: lol :-)
[10:06] <fsphil> that's a serious number of listeners
[10:06] <fsphil> seriously serious
[10:07] <jonsowman> if they really are there, they'd be hearing it from 2500km away
[10:07] <jonsowman> which is definitely a record
[10:07] <jonsowman> :P
[10:07] <daveake> they need to swap negative for positive.
[10:07] <daveake> In other words, swap poles
[10:07] <fsphil> lol
[10:07] <fsphil> heading for Sweden if it floats
[10:08] <SP9UOB_Tom> Lol
[10:08] <SP9UOB_Tom> im think - envelope is too small to float
[10:10] <SP9UOB_Tom> insulation is performing well :-)
[10:14] <bertrik> going pretty fast now, 95 km/h
[10:15] <jonsowman> is the predictor set up correctly?
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[10:23] <Hix> Randomskk: its near randomsko at the mo
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[10:35] <SP9UOB_Tom> its getting colder
[10:36] <daveake> Silly trooppause :)
[10:36] <daveake> -p
[10:36] <daveake> +o
[10:36] <daveake> or something like that
[10:36] <radim_OM2AMR> Tomek, what type of tem sensor are you using ?
[10:36] <radim_OM2AMR> temp
[10:37] <SP9UOB_Tom> radim_OM2AMR: rfm22b :-)
[10:37] <SP9UOB_Tom> internal sensor
[10:37] <radim_OM2AMR> great :-)
[10:40] <griffonbot> @daveake: Details of Tuesday's "Pi in the sky" flight here - http://t.co/s4IVCgSoz1 #raspberry_pi #UKHAS [http://twitter.com/daveake/status/305628228087853056]
[10:42] <daveake> Suppose I ought to make a Dalek to go with that ...
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[10:49] <radim_OM2AMR> Upu - HAB-MAX-6G - only two on stock ?
[10:52] <radim_OM2AMR> SP9UOB_Tom - what power are you using today ?
[10:52] <SP9UOB_Tom> radim_OM2AMR: +11 dBm and new experimental antenna - vertical dipole
[10:53] <radim_OM2AMR> nice, I'm looking forward the flight photos
[10:54] <daveake> wow 20 trackers
[10:54] <fsphil> insane eh
[10:54] <radim_OM2AMR> great Poland HAM community :-)
[10:54] Action: SP9UOB_Tom is so proud
[10:55] Action: fsphil is having a listen :)
[10:56] <fsphil> earth in the way, atmosphere no help
[10:58] <lz1dev> lol so many recievers
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[11:03] <SP9UOB_Tom> Receivers: SQ5OUZ, SQ9OKI, SP9UOB, SP5MG, SP5ULN, SP3RNY, SQ5RTW, SP9RTT, SP3VSS, SQ9ORD, SP6RYD, SP5VR, SP9OHY, SQ9KEJ, SQ6IUS, SQ5AAG, OM1ATS, SQ9UU, SQ9DIQ, SQ5CJZ, SP5MNC, SP8CGR, SQ9NFQ
[11:04] <SP9UOB_Tom> :-)
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[11:05] <Upu> hey radim_OM2AMR
[11:05] <Upu> yes at the moment
[11:05] <Upu> I'm holding off buying more
[11:06] <Upu> morning all
[11:06] <fsphil> morn
[11:06] <jcoxon> fsphil, there is a listener close to you
[11:06] <daveake> morning Upu
[11:06] <daveake> poles apart
[11:08] <Jess--> does anyonr have a code example for reading the temp from rfm22b?
[11:08] <fsphil> spotted him jcoxon. I actually think he's polish
[11:09] <fsphil> I'll get SP9UOB_Tom to announce my next flight :)
[11:09] <daveake> hah
[11:09] <daveake> Send a floater
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[11:09] <nosebleedkt> hi
[11:09] <fsphil> yes I must do that again
[11:10] <nosebleedkt> i found a bug in prediction
[11:10] <fsphil> morning nosebleedkt
[11:10] <nosebleedkt> who was to see it ?
[11:10] <nosebleedkt> wants*
[11:10] <nosebleedkt> exception+calltrace
[11:11] <radim_OM2AMR> ok, Upu, thanks, so you will buy more probably :-)
[11:12] <jcoxon> fsphil, EIHMB?
[11:13] <Upu> well hopefully MAX7's
[11:15] <Elwell> Jess--: yeah somewhere - lemme hunt
[11:16] <Elwell> oh no sorry - no not that module
[11:17] <Upu> how many are you after radim_OM2AMR ?
[11:17] <jcoxon> Jess--, https://github.com/jamescoxon/PicoAtlas/blob/master/Pico74/Pico74.ino#L533
[11:17] <radim_OM2AMR> Upu, I orderer that 2 now. We will see, I'm working on pico now :-)
[11:19] <Upu> ok no probs :)
[11:20] <radim_OM2AMR> atmega328p hard-wired on rfm22b :-) http://www.forum.radiosonda.sk/download/file.php?id=3066&mode=view
[11:20] <radim_OM2AMR> btw, I found the problem with my atmega328 not working under 2V ...
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[11:21] <radim_OM2AMR> broken power line on breadboard - so I had Avcc disconnected :-(
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[11:24] <Jess--> cheers jcoxon
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[11:26] <NickB1> a lot of receivers in poland
[11:28] <griffonbot> Received email: Anthony Stirk "Re: [UKHAS] Launch Announcement - Brightwalton, Monday 25th and
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[11:33] <griffonbot> Received email: David Akerman "Re: [UKHAS] Launch Announcement - Brightwalton, Monday 25th and
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[11:38] <griffonbot> @losklein: "@sebasrossa: Terminando la primera semana de curso de admision del #cusf con todo el equipo @Mariano817". [http://twitter.com/losklein/status/305642784927387648]
[11:39] <griffonbot> @losklein: "@sebasrossa: Terminando la primera semana de curso de admision del #cusf con todo el equipo @Mariano817". Aguante el CUSF, ej. de getion [http://twitter.com/losklein/status/305643104264937473]
[11:40] <fsphil> annoying
[11:41] <SP9UOB_Tom> got 18 km, not bad for 100g envelope :-)
[11:42] <fsphil> has it burst?
[11:42] <SP9UOB_Tom> no
[11:42] <NickB1> what is the dial on sputnik?
[11:42] <SP9UOB_Tom> still ascending
[11:42] <fsphil> nice
[11:42] <SP9UOB_Tom> 437,59966
[11:42] <SP9UOB_Tom> USB
[11:43] <Hix> good work SP9UOB_Tom
[11:44] <fsphil> -40c
[11:44] <daveake> What's the expected float alt, or is that just a guess? :)
[11:45] <fsphil> not showing any signs of slowing
[11:46] <daveake> 22 trackers
[11:46] <NigelMoby> how big do those 100g get to?
[11:46] <daveake> 1.8m allegedly
[11:46] <NigelMoby> oo
[11:46] <fsphil> there remains some debate :)
[11:46] <NigelMoby> heh I bet
[11:47] <fsphil> apart from altitude, these small balloons are doing some great flights though
[11:47] <NigelMoby> yup
[11:48] <SP9UOB_Tom> and needs almost no gas ;-)
[11:48] <daveake> And can be filled indoors at home
[11:49] <Hix> save me looking it up, how much He doe they need
[11:49] <daveake> Only a small fortune instead of a large one
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[11:51] <Hix> there's no 100g info on the wiki, smallest is 200g
[11:51] <Hix> they're pretty impressive considering the load is ~250g
[11:52] <SP9UOB_Tom> Hix: my payload weight is 70 gram
[11:53] <Hix> dunno where i got the 250 from, must've been the tyskie
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[11:54] <SP9UOB_Tom> Hix: i said "it can lift up to 250g"
[11:55] <Hix> ahhh that'll be it. I was concerned i was losing it then :)
[11:55] <SP9UOB_Tom> to resonable altitude
[11:56] <Hix> whats the concensus on UV filters these days? do they cause condensation problems?
[11:57] <SP9UOB_Tom> got 20 km !
[11:57] <fsphil> congrats!
[11:57] <fsphil> you've beat my last flight :)
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[11:57] <Hix> +3m ;p
[11:58] <fsphil> ooh is it slowing down?
[11:58] sp6ryd (4e090050@gateway/web/freenode/ip.78.9.0.80) joined #highaltitude.
[11:58] <fsphil> Hix: sometimes they do. but not always
[11:59] <Hix> nope back to 1.8m/s
[11:59] <Hix> just thinking they'll get rid of a lot of the nasty blue cast / haze
[11:59] <Hix> but if they mist up then its worse - cathc 22
[12:00] <zyp> doesn't the filter-pack on the camera sensor itself already have a decent UV filter?
[12:01] <Hix> not that I know of, I've always used a UV filter on all of my lenses, partly as a protecting element
[12:01] <Hix> but maybe they do now
[12:01] <zyp> they always did, UV filters is just a relic from film cameras
[12:02] <sp6ryd> flight "SP9UOB-5" very successful transmision :-)
[12:02] <Hix> can't say I've done any back to back tests to be honest
[12:02] <fsphil> it's going well sp6ryd!
[12:02] <fsphil> the uart cameras I fly don't have IR filters, which makes plants and fields appear red
[12:04] SQ5NWI (53181692@gateway/web/freenode/ip.83.24.22.146) joined #highaltitude.
[12:05] <Hix> just been doing some reaidng up, apprently they are still recommended at high altitudes due to the high levels of UV present
[12:05] <Hix> wonder if i can get freedom of information from U2 pilots :)
[12:06] <SP9UOB_Tom> got 21 km !!!
[12:06] <SP9UOB_Tom> very nice
[12:06] <daveake> They do help hix but of course they need to be kept frost-free so they need heating
[12:07] <Hix> are you tracing SP9UOB_Tom or relying on polska-post
[12:07] <Hix> hmm heating = battery weight.
[12:07] <daveake> camera = weight
[12:07] <Hix> sorry SP9UOB_Tom chasing
[12:08] <SP9UOB_Tom> Hix: some polish Hams from Wloclawek want to chase :-)
[12:08] <Hix> yes, but in my case essential weight, extra batteries = penalty
[12:08] <sp6ryd> fsphil: which uart cameras you use ? I found this one: http://pandatron.cz/?169&kamera_s_jpg_kompresi
[12:08] <daveake> filter = weight too :)
[12:08] <Hix> :D
[12:08] <Hix> i'll trim it down ;p
[12:09] <daveake> Let's put it another way. A filter without heating = mad
[12:09] <daveake> Got it? :)
[12:09] <Hix> yup, no filter it is
[12:09] <daveake> 23 trackers
[12:09] <daveake> impressive
[12:09] <NigelMoby> chuck a dew heater in there!
[12:09] <daveake> Cheap option - Google Picasa --> "Make it better"
[12:10] <fsphil> sp6ryd: I used this one, http://www.4dsystems.com.au/prod.php?id=75 , but they don't make them anymore
[12:10] <daveake> Does a good job on most
[12:10] <fsphil> there's also this one: https://www.sparkfun.com/products/10061
[12:10] <Hix> I use lightroom and photoshop
[12:10] <daveake> Like I said; cheap option
[12:11] <Hix> :)
[12:12] <sp6ryd> fsphil: tnx I need to learn more :-) now I'am only fascinated
[12:12] <Hix> IR images would be good
[12:12] <fsphil> you'd get much less haze with just IR
[12:13] <Hix> sure, but they all seem to put an ir filter in front
[12:13] <Hix> and i think the exposure times are pretty long for pure ir imaging
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[12:15] <SP9UOB_Tom> got 22 km! Veeeery nice :-) still no burst
[12:15] <fsphil> hah
[12:15] <daveake> Not slowing down either
[12:15] <fsphil> 24 stations
[12:15] <daveake> Let's all move to Poland
[12:15] <daveake> More listeners
[12:15] <daveake> More land mass
[12:15] <daveake> Less sea
[12:16] <NigelMoby> cold...
[12:16] <daveake> More Russia thoug
[12:16] <daveake> h
[12:16] <SP9UOB_Tom> huh about 2 million of poles escaped to the UK
[12:16] <SP9UOB_Tom> emigrated
[12:16] <daveake> Yes we know :p
[12:16] <Hix> did they, never noticed :)
[12:17] <fsphil> 26 stations that time
[12:17] <fsphil> that must be a record :)
[12:18] <daveake> blimey
[12:18] <daveake> they're in pole position
[12:18] <fsphil> oh dear
[12:18] <daveake> yeah sorry
[12:19] <fsphil> I think it's slowing
[12:19] <Hix> ascent seems to be tailing off
[12:19] <Hix> ^
[12:19] <fsphil> or just about to burst
[12:19] <Hix> its right on the predicted burst point
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[12:20] <Hix> oh no back up
[12:20] <fsphil> yea this thing's about to pop
[12:20] <Hix> doommerchant ;p
[12:21] <daveake> Nah it's got a way to go IMO :)
[12:21] <Hix> back @2.3
[12:21] <Hix> 2.4
[12:21] <fsphil> these waves seem to happen with the latex is near its limit
[12:22] <daveake> Yes but if I randomly disagree with what appears to be happening, and I'm right, then I get extra HAB points ;)
[12:22] <Hix> said the actres to the bishop
[12:22] <fsphil> c'mon balloon, stop proving me wrong
[12:22] <Hix> heh
[12:23] <NigelMoby> lol
[12:23] <Hix> do you get -ve HAB points fsphil
[12:23] <daveake> I've never seen so many Hams actually doing something useful all at once
[12:23] <SP9UOB_Tom> got 23 km :-)
[12:24] <SP9UOB_Tom> envelope is older than 10 years !
[12:24] <fsphil> well the ascent rate is still oscillating
[12:24] <fsphil> really?
[12:24] <fsphil> wow
[12:24] <daveake> ublox randomness?
[12:24] <daveake> Sure pushing that envelope
[12:25] <daveake> slowing down now
[12:25] <fsphil> it can't latex anymore of this
[12:25] <NickB1> ha
[12:26] <daveake> SP9UOB ... Unreliable Old Balloon?
[12:26] <SP9UOB_Tom> LOL
[12:26] <SP9UOB_Tom> UOBalloon ;-)
[12:26] <fsphil> Lublin .. where all the bad spellers from Ireland moved to
[12:27] <Elwell> heyup, looks like adelaide may not have the exclusive HABbing in australia - VK6MWD may have been one too
[12:27] <SP9UOB_Tom> floating ?
[12:27] <fsphil> not yet
[12:27] <daveake> nah
[12:27] <SP9UOB_Tom> no
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[12:27] <SP9UOB_Tom> stil ascending
[12:28] <fsphil> definitly slowed though
[12:30] <daveake> 1m/s just now
[12:30] <daveake> 23.5km
[12:30] <daveake> <fsphil> yea this thing's about to pop
[12:30] <daveake> <daveake> Nah it's got a way to go IMO :)
[12:30] <daveake> :)
[12:31] <fsphil> You knew this was going to happen. You've been using that TARDIS!
[12:31] <daveake> Damn, found out
[12:31] <daveake> That's also the reason I'm still buying toys
[12:31] <daveake> Plenty of space
[12:31] <Hix> daveake: http://imgur.com/gallery/5qe4c
[12:32] <daveake> :)
[12:34] <fsphil> haha
[12:34] <daveake> 24km Take that prediction :)
[12:34] <daveake> Speeded up again too
[12:34] <SP9UOB_Tom> got 24 km ! :-) Impressive
[12:34] <SP9UOB_Tom> whole Poland in big circle :-)
[12:35] <fsphil> I suspect I have time to go for lunch, tidy up the house a bit, and it'll still be up :)
[12:35] <fsphil> of course now that I say that ...
[12:36] <fsphil> no fair. this balloon is ignoring all my expectations
[12:36] <SP9UOB_Tom> lol
[12:36] <daveake> It's following mine instead :)
[12:36] <Hix> maybe upu should use a 100g for his APRS euro-invasion flight
[12:37] <daveake> This is nearly as high as my 1kg balloon from 2 weeka ago
[12:37] <Hix> :)
[12:37] <daveake> Though that was very much over-inflated, deliberately :)
[12:38] <fsphil> 1.1m/s
[12:38] <Hix> nah, you're just trying to talk yourself in fsphil
[12:38] <Jess--> 28 listeners
[12:40] <daveake> 0.9m/s
[12:40] <SP9UOB_Tom> burst
[12:40] <Hix> bugger
[12:40] <daveake> ?
[12:41] <fsphil> float
[12:41] <fsphil> nearly
[12:41] <SP9UOB_Tom> confirmed
[12:41] <daveake> aH YES THAT'S BURST
[12:41] <Hix> yup
[12:41] <daveake> 24.5KM WELL DONE :)
[12:41] <fsphil> wheeeee
[12:41] <Hix> nice work SP9UOB_Tom
[12:41] Action: daveake apologises for the caps lock :)
[12:41] <fsphil> it's about to burst ....
[12:41] <Hix> shhhh
[12:41] <fsphil> ooh I appear to be lagged ....
[12:41] <lz1dev> daveake: excitement :D
[12:41] <daveake> what's your ping time fsphil?
[12:41] <fsphil> silly IRC network ....
[12:41] <daveake> 20 seconds?
[12:42] <fsphil> oh it's back to normal now
[12:42] <daveake> <cynical face>
[12:42] <Hix> thats gonna drop schnell with no chute
[12:42] <daveake> fsphil https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcS2E5i8AHdDE7elQL0LvRu87-WaAQr8C76XCdH0W9U1xEEijLhEWg
[12:42] <radim_OM2AMR> Tomek, will SQ7HJL go chase for it ?
[12:43] <SP9UOB_Tom> radim_OM2AMR: no, some friends from Wloclawek
[12:44] <daveake> landing speed will be fine
[12:46] <daveake> ish
[12:47] <daveake> s/fine/fast/
[12:48] <fsphil> delete as appropriate
[12:48] <Hix> :D
[12:48] <fsphil> there's a place there called Radomsko, which I had to look twice at. Thought it said Randomskk
[12:48] <daveake> Looking like about 9.5m/s landing now
[12:49] <daveake> It should land there
[12:49] <fsphil> keeping pretty close to SQ7HJL
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[12:49] <daveake> Another place is called Stara Wies ... nice to have a place named aftera movie series
[12:50] <fsphil> it is pretty far far away
[12:54] <Hix> fsphil: did you say you needed a balun at each end of CAT5 for video or just RX end
[12:58] <zyp> every place where you are transforming a balanced signal into unbalanced or the opposite way around
[12:58] <zyp> cat5 is balanced, coax is unbalanced
[13:01] <Hix> so from a composite rca on the camera I'd need one on each end then
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[13:02] <chrisg7ogx> what's the latest frequency for the Polish balloon please?
[13:03] <lz1dev> chrisg7ogx: it landed
[13:03] <daveake> Er, it's landing, you waon't receive it
[13:04] <craag> 25km pico :O
[13:04] <chrisg7ogx> lol
[13:04] <chrisg7ogx> zzz
[13:04] <chrisg7ogx> tks
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[13:06] <SP9UOB_Tom> ok its time to chase ;-)
[13:06] <SP9UOB_Tom> http://aprs.fi/#!call=a%2FSP9UOB-9&timerange=3600&tail=3600
[13:06] <SP9UOB_Tom> But - dinner first :-)
[13:07] <SP9UOB_Tom> Thank You All
[13:07] <griffonbot> Received email: Jens Pirnay "Re: [UKHAS] Launch Announcement - Brightwalton, Monday 25th and
[13:07] <daveake> ^^ correct priority :)
[13:07] <SP9UOB_Tom> CU all
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[13:18] <Hix> right time to spank scotland in the Rugby, later guys
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[13:19] <fsphil> Hix: yea you need a pair
[13:20] <Hix> cool ta
[13:21] <fsphil> just wiring up my own today while there's a bit of sunshine
[13:21] <fsphil> bbl
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[13:32] <Upu> 24km from a 100g ?
[13:32] <Upu> nice
[13:33] <griffonbot> Received email: Anthony Stirk "Re: [UKHAS] Launch Announcement - Brightwalton, Monday 25th and
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[13:34] <griffonbot> Received email: chris G7OGX "Re: [UKHAS] Launch Announcement - Brightwalton, Monday 25th and
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[13:50] <PaulCDR> hi folks,
[13:50] <PaulCDR> anyone know of a way of being able to tell when the ublox 6 has a sat lock, id like to light an led when it has
[13:52] <jonsowman> there are several useful sentences
[13:53] <jonsowman> https://github.com/cuspaceflight/joey-m/blob/master/firmware/gps.c#L105-L133
[13:55] <jonsowman> see the NAV-STATUS section in the protocol documentation for more info :)_
[13:55] <PaulCDR> thats excellent jonsowman, thanks very much for that
[13:55] <jonsowman> no problem
[13:56] <jcoxon> if i've got an array:
[13:56] <jcoxon> byte testData[7] = {'R','E','M','O','T','E','0'};
[13:56] <jcoxon> and i want to change the final bit ('0')
[13:57] <jcoxon> i could just do:
[13:57] <jcoxon> testData[7] = count;
[13:57] <jcoxon> ?
[13:57] <Randomskk> testData[6] = count;
[13:57] <jonsowman> [6]
[13:57] <jonsowman> yea
[13:57] <jcoxon> oh
[13:57] <jcoxon> haha
[13:57] <jonsowman> <3 C
[13:57] <Randomskk> 7 is off into some other variable's memory
[13:57] <jcoxon> hence why it didn't work
[13:57] <Randomskk> cause all sorts of problems
[13:57] <Randomskk> :P
[13:58] <PaulCDR> i didnt know you could request data from the chip, i have it spitting out all the data and extracting what i need, thats me sitting to the small hours again tonight re coding it all :(
[13:58] <jonsowman> PaulCDR: polling it for stuff is much better
[13:58] <jonsowman> then it just shuts up the rest of the time
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[14:00] <PaulCDR> i have switched off everything apart from the location sentence, if i switch that off, i can poll for what ever i want??
[14:00] <jonsowman> yep
[14:01] <jonsowman> use the binary protocol rather than NMEA as well
[14:01] <jonsowman> much easier to parse
[14:01] <PaulCDR> cool, i thought i was near finished with this lol,
[14:02] <jonsowman> you'll be glad when it comes to launch day
[14:02] <jcoxon> yeah binary is so much better
[14:03] <PaulCDR> i have never seen the binary side, anywhere i can read up on that
[14:03] <jonsowman> the protocol doc has it all, though in a rather hard-to-parse format
[14:03] <jcoxon> jonsowman, pun intended?
[14:04] <jonsowman> heh
[14:04] <jonsowman> no
[14:04] <jonsowman> happy coincidence
[14:05] <jcoxon> hmmm now its printing REMOTE
[14:06] <PaulCDR> in here? http://www.u-blox.com/images/downloads/Product_Docs/u-blox6_ReceiverDescriptionProtocolSpec_%28GPS.G6-SW-10018%29.pdf
[14:06] <Randomskk> jcoxon: did you change it to a 0 rather than '0'?
[14:06] <jonsowman> that's the one PaulCDR
[14:06] <Randomskk> '0' is numerically 48
[14:06] <Randomskk> 0 is a NULL
[14:06] <PaulCDR> cheers guys
[14:07] <jonsowman> PaulCDR: page 82
[14:07] <Randomskk> jonsowman: so consider adding 48 (or +'0') to an integer if you need to display it
[14:07] <jonsowman> not me
[14:07] <jonsowman> jcoxon: ^
[14:07] <jcoxon> oh i see
[14:07] <jcoxon> so if i want the final byte to be a counter
[14:07] <Randomskk> should probably put a null byte at the end too
[14:07] <jonsowman> PaulCDR: there's 3 pages of description there, then documentation about messages
[14:08] <Randomskk> if you're very sure that the counter won't exceed 9
[14:08] <Randomskk> then like
[14:08] <Randomskk> int counter = 3;
[14:08] <Randomskk> byte myBytes[8] = "REMOTE0";
[14:08] <Randomskk> myBytes[6] = counter + '0';
[14:08] <Randomskk> counter++;
[14:08] <Randomskk> myBytes[6] = counter + '0';
[14:08] <PaulCDR> not launching till july, so got a while to get my head arround it
[14:08] <Randomskk> hmm I don't think you need the [8] if you use the double quotes format
[14:09] <jcoxon> Randomskk, hmmm
[14:09] <jcoxon> so i was hoping to do something that went from
[14:09] <jcoxon> REMOTE0 up to REMOTE255
[14:10] <Randomskk> that's not going to work like that
[14:10] <Randomskk> you either need to write your own functions to convert an integer to a string or use existing ones
[14:10] <jcoxon> yeah i'm beginning to realise that
[14:10] <Randomskk> really that's what sprintf is for
[14:10] <jcoxon> my transmit array requires a byte array
[14:11] <jcoxon> i mean my transmit function needs a byte array
[14:11] <Randomskk> ok?
[14:11] <Randomskk> a string is a byte array
[14:11] <jcoxon> okay
[14:11] <jcoxon> i'll construct an array with sprintf
[14:11] <Randomskk> byte myStr[10]; sprintf(myStr, "REMOTE%n", counter);
[14:11] <Randomskk> or whatever
[14:11] <jcoxon> cool
[14:16] <jcoxon> byte to char error
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[14:20] <Randomskk> blugh
[14:20] <Randomskk> shouldn't happen or be a problem
[14:20] <Randomskk> you can just
[14:20] <Randomskk> sprintf((char*)myBytes, ...
[14:20] <jcoxon> sprintf expects a char
[14:21] <jcoxon> which is probably a fault of arduino
[14:21] <Randomskk> meh
[14:21] <Randomskk> just do ^ anyway
[14:23] <jcoxon> cool
[14:23] <jcoxon> its working
[14:23] <jcoxon> on an interesting side note
[14:23] <jcoxon> i've been charging supercaps
[14:23] <jcoxon> and was tedious starting from 0v with a small solar panel
[14:23] <jcoxon> so i attahed a lipo
[14:23] <jcoxon> and it wouldn't charge
[14:24] <Randomskk> huh
[14:24] <Randomskk> lipo discharging through the panel maybe?
[14:24] <Randomskk> would expect the supercap to come up to voltage though
[14:24] <jcoxon> as the supercaps would pull the voltage down to 0.5v
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[14:24] <jcoxon> so the voltage protection would kick in
[14:24] <Randomskk> hmmmm
[14:24] <jcoxon> once i'd got it charged to aboe 2.7v
[14:24] <Randomskk> try putting a resistor in series
[14:24] <jcoxon> it worked fine
[14:24] <Randomskk> a small one
[14:25] <jcoxon> its okay now
[14:25] <Randomskk> sounds like perhaps the supercap is drawing so much current from the battery that the internal resistance causes the votlage drop
[14:25] <jcoxon> yeah
[14:25] <Randomskk> small resistor will solve that
[14:25] <jcoxon> don't need it charging now
[14:25] <Randomskk> fe
[14:26] <jcoxon> actually my solar cell is providing more then my little RFbee is drawing
[14:26] <Randomskk> nice
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[14:54] <griffonbot> @sebasrossa: RT @losklein: "@sebasrossa: Terminando la primera semana de curso de admision del #cusf con todo el equipo @Mariano817". Aguante el CUSF ... [http://twitter.com/sebasrossa/status/305692280617070592]
[14:55] <jonsowman> ¬.¬
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[15:03] <Elwell> craag: you seen http://amateurradiopi.com/ btw?
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[15:17] <Jess--> does anyone know the temp range of the sensor on the rfm22b? I'm getting some odd readings... at room temp (22 deg) I am getting 37 and in the freezer I got 0 and then 255
[15:20] <jcoxon> Jess--, one thing is that its not going to be that accurate
[15:20] <jcoxon> most of the time it'll be more
[15:21] <jcoxon> as its close to the rest of the radio and so warms up quite a bit
[15:21] <jcoxon> getting 255 suggests an overflow
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[15:23] <Jess--> not sure how it could get an overflow unless the sensor doesnt go below 0
[15:26] <craag> Elwell: I had not, looks very new.
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[15:26] <Lunar_Lander> hello
[15:27] <craag> I'm a bit swamped on non-pi projects at the moment, and most of the APRS-pi stuff needs updating, but I'll keep an eye on it.
[15:27] <craag> Thanks.
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[15:30] <Elwell> Jess--: you've not put the temp sensor into powersave have you?
[15:33] <Jess--> not that i'm aware of
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[16:01] <costyn> anybody have reliable delaymillis() for 100 baud?
[16:02] <nigelvh> What's happening costyn?
[16:02] <costyn> nigelvh: nothing yet, just adjusting my code
[16:03] <daveake> costyn Timers
[16:03] <nigelvh> Yeah
[16:03] <costyn> nigelvh: 50 baud is 20150 , so in theory 10075 should be 100 rigth?
[16:03] <jonsowman> oui
[16:03] <costyn> daveake: what do you mean?
[16:03] <nigelvh> Sure
[16:04] <jonsowman> using a hardware timer to measure time is far more accurate
[16:04] <daveake> I mean a timer is a nice reliable way of getting accurate timing
[16:04] <costyn> tentative flight next saturday for me with 2 payloads, 1 at 10mw and 50baud, and thinking of setting one to 25mW and 100mbaud
[16:04] <jonsowman> and doesn't busy wait the core
[16:04] <daveake> Also it means you can do the rtty sending under interrupt
[16:04] <daveake> So you can do other stuff at the same time
[16:04] <daveake> win, win, and another win
[16:04] <nigelvh> Also to be fair a bit more complicated.
[16:04] <jonsowman> true
[16:04] <daveake> yes a but
[16:04] <daveake> bit
[16:04] <costyn> i've been using delayMicroseconds up till now.
[16:06] <nigelvh> Also costyn, note that the arduino page for delayMicroseconds says "Currently, the largest value that will produce an accurate delay is 16383."
[16:06] <costyn> nigelvh: yes, aware of thaty
[16:06] <costyn> nigelvh: for 50 baud been splitting it up into 10000 and 10150
[16:06] <nigelvh> A timer is probably the best way to go
[16:07] <jonsowman> it's fine because relative to the bit period at 50 baud, the errors are negligible
[16:07] <jonsowman> but it matters more and more as you increase the baud rate
[16:07] <jonsowman> timers are definitely the way forward for all sorts of reasons
[16:07] <costyn> jonsowman: good to know
[16:07] <costyn> thanks for the tips guys
[16:07] <costyn> dinner time!
[16:11] <nigelvh> costyn, here's a pastebin with some code to get you started. http://pastebin.com/qpGdBZ7m
[16:12] <nigelvh> Please note that I was using an arduino mega for this. If you're using something closer to a duemilanove then you probably don't have timer 3 and will have to use timer 2. Consult the datasheet for your chip.
[16:13] <nigelvh> Also BTW, "scheduler" is the name of another function that's being called in the ISR. That's not necessary.
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[16:22] <Laurenceb_> http://www.amazon.com/Lexar-Professional-256GB-Memory-LSD256CTBNA400/dp/B00A66XLT0
[16:26] <nigelvh> Wow
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[16:35] <chrisstubbs> thats incredible
[16:35] <chrisstubbs> i wonder if they do a microsd version
[16:37] <SpeedEvil> I wish there was a 'get out of my way' mode for SDS.
[16:37] <SpeedEvil> that simply exposed the raw flash array
[16:38] <SpeedEvil> emulating a block device, and the computer trying to emulate proper flash behaviour on top of that is just retarded.
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[16:43] <chrisstubbs> jcoxon, could you please explain what this line of your code does :) http://bit.ly/WcmIGm
[16:43] <chrisstubbs> does it set the frequency, or just offset it?
[16:43] <jcoxon> offset it
[16:43] <jcoxon> you've set it already
[16:43] <chrisstubbs> ah okay
[16:44] <chrisstubbs> and the 0x03 is the offset in what units?
[16:44] <jcoxon> datasheet units
[16:44] <chrisstubbs> haha
[16:44] <jcoxon> :-)
[16:44] <jcoxon> you'd have to look
[16:44] <chrisstubbs> i did have a flick throught but wasnt sure what i was looking for tbh
[16:44] <chrisstubbs> will try again now, thanks
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[17:15] <chrisstubbs> Oh yay looks like i buggered the mega168
[17:16] <cm13g09> chrisstubbs: how?
[17:16] <chrisstubbs> avrdude.exe: Device signature = 0x000000
[17:16] <cm13g09> that's not good....
[17:16] <chrisstubbs> it was uploading to it fine last night...
[17:16] <chrisstubbs> didnt think i changed anything
[17:16] <cm13g09> I managed to do that to a 328P
[17:17] <chrisstubbs> this is why people use the bootloader :
[17:17] <chrisstubbs> :P
[17:17] <cm13g09> lol
[17:17] <cm13g09> I managed to do that with the bootloader!
[17:17] <chrisstubbs> oh man
[17:18] <chrisstubbs> any idea what causes it?
[17:18] <Randomskk> chrisstubbs: probably it's fine and there's just a dodgy connection or power or something
[17:18] <cm13g09> I honestly didn't bother looking at mine
[17:18] <Randomskk> those chips are very resiliant
[17:18] <chrisstubbs> ill rip it apart and reconnect it all :)
[17:18] <cm13g09> Randomskk: yeah, they are - which is why I was VERY confused when I managed to kill mine!
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[17:23] <chrisstubbs> Randomskk, yup must have been a connection problem
[17:23] <chrisstubbs> cheers man
[17:23] <chrisstubbs> thought i was going to have to make some kind of horriffic parallell programmer
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[17:40] <chrisstubbs> right, turns out when you upload the bootloader the chips sig. changes :P oh well all working perfectly now!
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[18:08] <domlin> hey guys
[18:08] <domlin> jeez chrisstubbs, looks like that smd training at work bloody paid off!
[18:09] <Upu> hey chrisstubbs yeah I doubt you've broken that chip
[18:09] <Upu> I've done some horrible horrible things tot hem
[18:10] <Upu> one thing you can do is put them in a state where you need a programmer that can operate at a very low frequency to burn the fuses
[18:10] <chrisstubbs> sorted it now, just the the ISP connected up wrong
[18:11] <chrisstubbs> got the programmed burned, but i had to change the sig. that avrdude was expecting to program it over TTL after
[18:11] <chrisstubbs> :)
[18:11] <mattbrejza> quick qn - does DM send paper work about notam or is 'yea thats fine' need chasing up if we havnt got anything?
[18:11] <jonsowman> need the paperwork
[18:11] <jonsowman> you're supposed to have it with you at the launch site
[18:12] <jonsowman> which of course, everyone does
[18:12] <mattbrejza> oh oc
[18:12] <mattbrejza> thats a phone call for tomorrow then
[18:12] <jonsowman> but yes you do actually need the paperwork to be allowed to fly
[18:13] <mattbrejza> it hasnt appeared on the list of notams site so can only assume he needs prodding
[18:15] <jonsowman> yep
[18:18] <griffonbot> Received email: Matthew Brejza "[UKHAS] Launch Announcement - UoS Physics Outreach, New Forest,
[18:19] <Randomskk> boo
[18:19] <Randomskk> uhm
[18:19] <Randomskk> wrong window
[18:19] <jonsowman> ahhhh
[18:19] <jonsowman> scary
[18:19] <Randomskk> you know it
[18:28] <daveake> Sneak peek at the webcam view from my flight this week - http://www.batc.tv/ch_live.php?ch=3&id=1010
[18:29] <daveake> Yes that is an LED on the roof
[18:29] <daveake> Yes it will flash :)
[18:31] <chrisstubbs> ooo
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[18:31] <chrisstubbs> thats cool
[18:32] <chrisstubbs> is the tracker inside the tardis?
[18:32] <chrisstubbs> you have no excuse if it "wont fit" :P
[18:33] <daveake> Yes tracker inside tardis, webcam outside
[18:33] <Elwell> daveake: got details on the broadcast / atv stuff?
[18:33] <daveake> And yes plenty of space inside :p
[18:33] <chrisstubbs> haha cool
[18:34] <daveake> Yeah I'll post to the list
[18:34] <chrisstubbs> oh ofc its the pi one
[18:34] <daveake> yup
[18:34] <chrisstubbs> awesome
[18:34] <chrisstubbs> brb dinner
[18:34] <daveake> That stream right now is via my netbook
[18:34] <daveake> For convenience
[18:34] <daveake> But it will be from the Pi and it'll have some telemetry overlaid
[18:34] <daveake> Just the altitude
[18:35] <daveake> and time
[18:37] <domlin> that will be very cool
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[18:43] <costyn> nigelvh: looked at your code, not sure what to make of it. :) looked at jcoxon/upu's ava/atlas code where they use it too, not sure what I'm looking at, so I'll just stick to delayMicroseconds for now, which they actually use in their code as well for RTTY (timers only for APRS)
[18:44] <craag> costyn: This for interrupt-driven rtty?
[18:45] <NickB1> you can take a look at upu's example
[18:45] <NickB1> http://ava.upuaut.net/?p=408
[18:45] <craag> Was just about to link that, that's what got me started.
[18:46] <NickB1> indeed
[18:46] <NickB1> integration into flightcode is not that difficult
[18:47] <costyn> craag: yea
[18:47] <NickB1> most important thing is that it doesnt take a copy of your telem string when the main loop is processing it
[18:48] <costyn> nigelvh: reading now, thanks
[18:48] <costyn> err NickB1 reading now, thanks
[18:48] <NickB1> np
[18:49] <costyn> agreed it's silly that the board is not doing anything while sending the string
[18:57] <griffonbot> Received email: David Akerman "[UKHAS] Re: Launch Announcement - Brightwalton, Monday 25th and
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[19:06] <Upu> [18:47] <NickB1> most important thing is that it doesn't take a copy of your telem string when the main loop is processing it <- This
[19:06] <Upu> also
[19:07] <Upu> as fsphil noted lock the variables whilst you perform line 86
[19:07] <Upu> i.e make sure nothing gets updated as it could change whilst running that strcpy
[19:10] <NickB1> hey upu
[19:10] <NickB1> you have a prediction for tomorrow?
[19:10] <daveake> cold
[19:10] <NickB1> haha
[19:10] <NickB1> flightpath I mean
[19:11] <daveake> He's cancelled his flight
[19:11] <Upu> cancelled sorry
[19:11] <Upu> blame the french
[19:11] <NickB1> flight app?
[19:11] <daveake> They're sore at losing all the time
[19:11] <Upu> nah we couldn't clarify the position with airborne APRS in France
[19:12] <mclane> in France, everything which is not explicitly forbidden is allowed ;-)
[19:13] <NickB1> they dont allow airborne aprs or?
[19:13] <Upu> well
[19:13] <Upu> officially the terms of the amateur radio license says not allowed in an aricraft
[19:14] <Upu> but then fails to define aricraft
[19:14] <Upu> aircraft..
[19:14] <Upu> however we have information balloons don't constitude aircraft and as long as amateur is the primary user of the band you are transmitting on you're ok
[19:14] <lz1dev> ah, usually means maned aircrafts
[19:15] <Upu> but you need to advise the <insert department of allowing things to fly with radio amateur gear on here>
[19:15] <NickB1> yes indeed
[19:15] <NickB1> in Belgium it must be manned to be defined as aircraft
[19:15] <Upu> so given we don't have a full picture
[19:15] <Upu> felt it best not to launch
[19:15] <Upu> is airborne APRS allowed in Belgium NickB1 ?
[19:16] <NickB1> that I don't know
[19:16] <NickB1> I only know the term aircraft :)
[19:16] <NickB1> needed it for insurance
[19:17] <Upu> are you a licensed HAM ?
[19:17] <NickB1> regretfully no
[19:17] <Upu> ok no probs
[19:18] <Upu> I'm going to start working my way round Europe working out who is responsible for the amateur licensing and enforcement and askign them
[19:18] <NickB1> ah yes thats a good plan
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[19:19] <NickB1> is rtty only to risky?
[19:19] <Upu> well I want to try APRS as although the RTTY dl-fldigi network is way better than it was when Apex Alpha went for a jaunt the APRS network is passive
[19:20] <Elwell> Upu: been in contact with f6agv
[19:20] <Elwell> ? he tracks radiosondes so may know about aprs
[19:20] <Upu> extensively
[19:20] <Upu> yeah he's assisting us
[19:21] <NickB1> was just going to mention http://alerte-radiosondes.blogspot.be/ :D
[19:21] <Upu> yeah he's great
[19:21] <Upu> I read that every day
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[19:21] <Upu> I love the chaotic but informative stylre
[19:21] <Elwell> yeah I suspect there;s some complex rule in ref-union that noone knows
[19:21] <NickB1> makes a report of every launch
[19:22] <Upu> Well Elwell the actual law in France :
[19:22] <Upu> http://www.legifrance.gouv.fr/affichTexte.do;jsessionid=3CC2D292F48EAD55C1DBDF5756769C55.tpdjo13v_2?cidTexte=JORFTEXT000022408790&dateTexte=&oldAction=rechJO&categorieLien=id
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[19:22] <Upu> See Article 6
[19:24] <Elwell> Cette interdiction vise notamment à éviter tout risque de brouillage avec les systèmes de l'Administration de l'aviation civile.
[19:25] <Elwell> which sounds like it to stop interference in manned as expected
[19:25] <Upu> yep
[19:25] <Upu> anyway its in hand
[19:25] <Upu> in other news
[19:25] <Upu> can anyone explain how I got ISS on my APRS :
[19:25] <Upu> http://i.imgur.com/sotSSrV.jpg
[19:25] <costyn> NickB1: found this article on Belgium: http://www.pi4raz.nl/index.php?option=com_content&task=view&id=855&Itemid=9 but it's 4.5 years old already
[19:26] <mclane> "Aeronef" means any kind of "airship" including balloons
[19:26] <NickB1> ISS also has aprs repeater I think
[19:26] <NickB1> saw something on youtube once
[19:27] <Upu> does that mean I received that ?
[19:27] <Elwell> normally its a diff freq - perhaps someone digipeated it to normal aprs
[19:27] <fsphil> interesting idea
[19:27] <Upu> I got 2 with RS0ISS in them
[19:27] <lz1dev> but looks is something sending a packet to somebody else
[19:28] <Upu> the SV2CPH-4 was via ISS
[19:28] <lz1dev> its recieved b RS0ISS and UPU
[19:28] <NickB1> thx costyn
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[19:28] <Lunar_Lander> hello
[19:28] <Upu> so I've digi repeated ISS?
[19:28] <NickB1> hello lunar
[19:29] <Lunar_Lander> what does "ServerError: 'Server error 0: "/gfs/gfs20130224/gfs_12z is not an available dataset"'" mean?
[19:29] <Lunar_Lander> hi NickB1
[19:29] <daveake> It means "try again later"
[19:29] <daveake> :)
[19:29] <Upu> oh
[19:29] <Upu> 2013-02-24 17:59:41 UTC: SV2CPH-4>APOTC1,TCPIP*,qAS,2E0UPU:!4018.17N/02147.41Er 13.8V 18C TELEMETRY KOZANI
[19:29] <Lunar_Lander> yea
[19:30] <Lunar_Lander> I am scared
[19:30] <Upu> I must have digi'd it
[19:30] <Upu> wow
[19:30] <Lunar_Lander> when I ran a prediction for March 1 before the weekend, it showed the balloon would land 77 km north of here
[19:30] <Lunar_Lander> now it says it would land 100 km south of here
[19:31] <daveake> Yup. Welcome to weather forecasting
[19:33] <costyn> Upu: so in your timer code, the main loop just constructs a string every second, and the ISR thing chugs along and jumps around to the various cases everytime it receives an interrupt?
[19:34] <Upu> yeah it just a state engine
[19:34] <Upu> so every 50mS or whatever it is
[19:34] <NickB1> machine
[19:34] <daveake> Mine is slightly different; there's a "give me another sentence" flag which the ISR sets when it's finished sending the last one
[19:34] <Upu> thats it
[19:35] <daveake> Then the main loop checks that and quickly constructs the next sentence
[19:35] <Upu> it just jumps in and goes "ok what should I be doing now?"
[19:35] <Upu> you can do the GPS via interupts
[19:35] <Upu> in fact you could do GPS via timer2 and rtty via timer1
[19:35] <costyn> interesting
[19:35] <Upu> you could then just have nothing in loop
[19:35] <Lunar_Lander> ah not 130 but 85 km
[19:35] <Lunar_Lander> stupid question
[19:35] <Upu> in fact
[19:36] <Lunar_Lander> what do you do in case of an unfavorable prediction before the launch?
[19:36] <Upu> when MAX7 is out and you can use 10Hz updates
[19:36] <Upu> may be worth doing it via interupts
[19:36] <costyn> heh
[19:36] <Upu> Lunar don't launch
[19:36] <NickB1> or you could do gps in the uart receive interrupt?
[19:36] <NickB1> but thats used by a circulaor buffer now
[19:36] <NickB1> -circular
[19:36] <Upu> or adjust your flight paramters i.e balloon size, parachute size, ascent / decent
[19:36] <chrisstubbs> lunar could crank up the ascent rate and have it pop earlier
[19:37] <chrisstubbs> Upu's explanation wins
[19:38] <Upu> balloon size is easiest but does rely on you having different ones to choose from
[19:38] <Lunar_Lander> yea
[19:38] <Lunar_Lander> I just got the 1500
[19:38] <NickB1> when are you planning to launch lunar?
[19:38] <daveake> Lunar_Lander You like movies; it's like that Bond movie. "Launch Another Day"
[19:39] <Lunar_Lander> march 5
[19:39] <Lunar_Lander> yea
[19:39] <Upu> is that the 1500g thats a funny brown colour ?
[19:39] <NickB1> hmm weekday :(
[19:40] <Lunar_Lander> no, it is one I bought from Steve
[19:40] <Upu> ok good
[19:42] <Lunar_Lander> yea
[19:43] <Lunar_Lander> I had that even before those brown balloons that I bought at ebay
[19:43] <NickB1> Upu, do you also apply for launch apps in the other countries?
[19:43] <Upu> no I don't think we need too
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[19:45] <NickB1> ah ok
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[19:47] <Lunar_Lander> well
[19:47] <Lunar_Lander> this project seems to be more difficult than before
[19:48] <Upu> Lunar don't worry about it until 2-3 days before
[19:49] <Lunar_Lander> yea
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[19:49] <Lunar_Lander> I need to convince my professor though that it is not uncommon for balloons to drift
[19:49] <Lunar_Lander> with that I mean that you can't expect a landing within a 50 km radius
[19:50] <daveake> Not between now and 5th you can't
[19:50] <daveake> Or between now and Wednesday actually
[19:50] <daveake> But as Upu says, wait till 2-3 days prior the launch
[19:51] <daveake> The predictions /usually/ settle down by then
[19:52] <Lunar_Lander> yea
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[19:52] <Lunar_Lander> the thing is that it seemed that he was taken by surprise when I told him that balloons can drift more than 200 km
[19:53] <costyn> was SP9UOB's recovered today?
[19:53] <Lunar_Lander> that was more like a general remark by me on friday
[19:55] <Lunar_Lander> what I was trying to do was just to collect the predictions of the whole available time range from now
[19:55] <daveake> Don't bother
[19:55] <Lunar_Lander> and then, I would like take the prediction for the 28th from yesterday and today and compare them
[19:55] <Lunar_Lander> but when you say that they can differ considerably, yea I shouldn't bother
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[19:56] <Lunar_Lander> but I can tell you that the problems of a car and a tracking computer have been solved
[19:56] <Lunar_Lander> and one of us was happy about mattbrejza's android version of dl-fldigi
[19:57] <Lunar_Lander> we will either have a laptop or the tablet of my colleague if habmodem is up for the job
[19:57] <mclane> Lunar: did it work for you?
[19:57] <Lunar_Lander> has it been tested on an ascent?
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[19:57] <Lunar_Lander> he didn't try it yet
[19:57] <Lunar_Lander> he tried to download it but he had spotty wifi
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[19:58] <mclane> if it works, let me know; I tried it on 2 devices and it crashes / does not decode
[19:58] <Lunar_Lander> oh
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[19:58] <Lunar_Lander> yeah I will talk to him that he installs it and then we try it out
[19:58] <Lunar_Lander> if it doesn't work, we will take a laptop with us
[19:59] <daveake> take one anyway
[19:59] <Lunar_Lander> yea
[19:59] <daveake> things can fail
[19:59] <Lunar_Lander> that is true
[19:59] <craag> mclane: Have you reported the crashes?
[19:59] <mclane> yes, through the built-in report generator
[19:59] <Lunar_Lander> we thought about contacting ham operators in the predicted landing zone
[19:59] <Lunar_Lander> do you think that is a good idea?
[20:00] <craag> Ok, matt should know about them then. It works great for me on my phone now he's fixed it up.
[20:00] <chrisstubbs> is there a .apk of habmodem. I would love to try it on my desireHD but its only 2.3.5
[20:00] <costyn> whee... time for Top Gear
[20:00] <craag> chrisstubbs: It won't work on gingerbread afaik.
[20:00] <mclane> craag: did you install the voltage divider?
[20:00] <chrisstubbs> so ive heard, but i figured it was worth a try
[20:01] <craag> mclane: No, haven't built myself one yet. I just have SDRs atm though, so no real reason for me to use it.
[20:01] <craag> Works fine through the mic though.
[20:02] <mclane> craag: does it indicate DATA and STOPS for you? - I see a nice waterfall but no decode
[20:03] <craag> mclane: Yep, it'll put those in once it decodes a valid string.
[20:03] <craag> You see the rtty on the waterfall?
[20:04] <cuddykid> ping Upu
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[20:05] <mclane> yes I see the two lines and after some time the green lines adjust to them
[20:05] <mclane> but only decoded garbage
[20:05] <craag> And you've selected the right baudrate?
[20:05] <mclane> yes
[20:06] <craag> hmm, I don't know then.
[20:06] <craag> Are you using it with a divider cable?
[20:06] <Lunar_Lander> daveake, were you excited/scared before your first launch?
[20:08] <daveake> excited/stressed
[20:08] <Lunar_Lander> yea
[20:09] <Lunar_Lander> I just hope that it goes well
[20:09] <Lunar_Lander> did you read my other question above?
[20:10] <mclane> craag: no
[20:10] <craag> mclane: It may be that the mic isn't working quite well enough for decode. Using the cable would help it a lot.
[20:11] <mclane> craag: I have a cable connection, but without divider
[20:11] <craag> Hmm, could be overloading with too much audio signal. I'm scratching around for ideas though.
[20:14] <Lunar_Lander> mclane, do you have from your three flights the range you had to travel to retrieve your payloads?
[20:17] <mclane> Lunar_Lander: 113 km, 54 km, 46 km (actual travel distance was bigger)
[20:17] <Lunar_Lander> ah
[20:17] <Lunar_Lander> thanks
[20:17] <mclane> details see on our website (easy since you are german ;-))
[20:17] <Lunar_Lander> yea
[20:17] <mclane> www.stratosphaere.net
[20:18] <Lunar_Lander> maybe you read above that my professor was astonished that balloons may travel farther than 100 km
[20:19] <daveake> Your prof needs educating :)
[20:19] <chrisg7ogx> Matt's modem does not have 600Hz shift facility so no good for Dave's launch
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[20:20] <daveake> It may not do SSDV anyway
[20:20] <daveake> dunno
[20:20] <mclane> can someone point me to a good error correction algorithm for jpeg file?
[20:20] <fsphil> don't believe it does
[20:20] <mclane> I have looked into the ssdv code, but have trouble to understand it
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[20:21] <fsphil> just feed it the jpeg mclane, it gives you back packets
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[20:25] <SP9UOB_Tom> evening all
[20:25] <SP9UOB_Tom> RECOVERED :-)
[20:25] <fsphil> congrats!
[20:25] <fsphil> no problems?
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[20:25] <SP9UOB_Tom> no problems. But white ball on the snow is almost invisible
[20:26] <daveake> :)
[20:27] Action: LazyLeopard waits for the pink lobby ;)
[20:29] <SP9UOB_Tom> LOL
[20:38] <SP9UOB_Tom> http://sp9uob.verox.pl/sputnik-3/20130224_181645.jpg
[20:39] <fsphil> you where not kidding
[20:41] <Adam012> How did you find it?
[20:41] <fsphil> guessing it was still transmitting
[20:41] <Adam012> Now I know why Ava is pink
[20:41] <LazyLeopard> Heh ;)
[20:41] <fsphil> other florescent colours are available :)
[20:42] <Adam012> Yellow is too light and blue or green are not so clear. That leave orange.
[20:42] <LazyLeopard> ...but pink is a good one ;)
[20:42] <Adam012> Not sure whether to put radiation stickers on the next payload to prevent the public from picking it up.
[20:43] <SP9UOB_Tom> it was still transmitting, so no special problems
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[21:09] <Upu> ping cuddykid
[21:11] <Upu> ping Adam012
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[21:16] <PaulCDR> upu, do you do any temp/pressure sensors??
[21:16] <Upu> not usually
[21:16] <Upu> pressure is fairly consistent by altitude
[21:16] <Upu> so never really saw the point
[21:17] <Upu> temperature also but is sometime useful from an electronics point of view
[21:17] <PaulCDR> fair point, wouldnt mind getting temp data just for interest sake
[21:17] <PaulCDR> outside temp data
[21:18] <Upu> yep
[21:18] <nigelvh> Pressure can be a good way to estimate altitude if GPS isn't working well.
[21:18] <Upu> DS18B20 temp sensor is a good bet
[21:18] <griffonbot> Received email: SP9UOB "[UKHAS] Re: Launch Announcement - Sunday 24th February - SPUTNIK-3,
[21:18] <Upu> yes we did consider using accelerometers and barometric pressure sensors with compass module for extreme power saving
[21:20] <PaulCDR> big money those upu, 98p on ebay
[21:20] <Upu> thats cheap
[21:20] <Upu> you can get a few freebies
[21:20] <Upu> if you go to the Maxim site and select samples
[21:21] <PaulCDR> just googled maxim and selected the first result, good site, very goos site in fact, but dont think they do temp sensors
[21:21] <chrisstubbs> haha same
[21:22] <jonsowman> lol
[21:22] <jonsowman> maxim-ic.com
[21:22] <Upu> lol
[21:22] <jonsowman> i've done that before
[21:22] <jonsowman> in school
[21:22] <PaulCDR> lol
[21:22] <jonsowman> Google's I'm feeling lucky button was a nightmare...
[21:24] <Lunar_Lander> hi Upu and jonsowman
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[21:24] <Lunar_Lander> and nigelvh
[21:24] <Upu> hey Lunar
[21:24] <jonsowman> hello
[21:24] <Lunar_Lander> I will try something with my wordpress
[21:24] <Lunar_Lander> hang on
[21:24] <Upu> congrats SP9UOB_Tom
[21:24] <Lunar_Lander> yeah congrats Tom :)
[21:24] <Upu> going to paint it something other than snow white next time ? :)
[21:24] <SP9UOB_Tom> thanks UPU
[21:24] <SP9UOB_Tom> Upu: yeah :-)
[21:25] <SP9UOB_Tom> 1.8V design was performing wery well
[21:25] <Upu> much drift ?
[21:25] <nigelvh> Afternoon Lunar_Lander
[21:25] <SP9UOB_Tom> few kHz but over loooonf time
[21:25] <SP9UOB_Tom> long
[21:26] <Upu> those poly balls insulate well
[21:26] <Upu> very well actually
[21:26] <SP9UOB_Tom> Upu: 2.5 cm thick
[21:26] <Upu> yeah
[21:26] <Upu> MAX6G & RFM22B ?
[21:26] <SP9UOB_Tom> half of payload weight :-(
[21:27] <Lunar_Lander> my payload colour http://s.gullipics.com/image/t/8/g/5yv91j-kl793j-0mmb/IMG6565.jpeg
[21:27] <Upu> I approve
[21:27] <SP9UOB_Tom> Upu: right, and MCP1640 + PIC18F26k22
[21:28] <Upu> nice
[21:28] <Upu> well congrats :)
[21:28] <SP9UOB_Tom> thanks :-)
[21:28] <SP9UOB_Tom> it was looong day night all
[21:28] <Upu> night
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[21:29] <Upu> nice quit message
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[21:29] <nigelvh> Indeed
[21:29] <jonsowman> dear me
[21:30] <chrisstubbs> Anything else from maxim worth sampling?
[21:30] <jonsowman> ds18b20s
[21:30] <jonsowman> I use them a lot for some reason
[21:30] <chrisstubbs> got that :)
[21:30] <jonsowman> :)
[21:30] <chrisstubbs> yeah i got one off ebay for the payload, pretty nice to use
[21:30] <jonsowman> one wire is horrible
[21:30] <jonsowman> if you're using a library it's fine
[21:31] <fsphil> not soo bad
[21:31] <chrisstubbs> samples are nice too :P
[21:31] <fsphil> I preferred doing 1-wire over i2c
[21:31] <chrisstubbs> i think i used the lib
[21:31] <jonsowman> you would remember if you wrote it from scratch
[21:31] <jonsowman> for the sake of one or two extra pins on the sensor, just use something sensible
[21:31] <jonsowman> OW has its place - temp sensors are not it
[21:32] <chrisstubbs> maybe
[21:32] <jonsowman> the precise timings are annoying
[21:32] <chrisstubbs> i thought the idea of powering it and getting data with it over only 2 wires was brillinat
[21:33] <jonsowman> it sounds it, until you realise how complicated that makes the drivers
[21:33] <chrisstubbs> yeah
[21:33] <fsphil> I really liked the method they use to detect devices
[21:34] <jonsowman> doesn't it just ping every address on the bus?
[21:34] <jonsowman> all 255 or whatever
[21:34] <fsphil> 1-wire's address is 64 bit or something stupid like that
[21:34] <jonsowman> oh ok
[21:34] <jonsowman> (why?)
[21:35] <fsphil> no idea why it's so big
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[21:35] <jonsowman> that's a lot of temp sensors
[21:36] <chrisstubbs> you could make a chain of them, suspend it from a HAB
[21:36] <jonsowman> lol
[21:36] <chrisstubbs> and get a reading of every possible altitude from earth to near space in one loop
[21:36] <jonsowman> you could
[21:36] <jonsowman> ...
[21:37] <chrisstubbs> i wonder what the limit for free samples is...
[21:37] <jonsowman> 4
[21:37] <jonsowman> see you in 25 years
[21:37] <nigelvh> 18,446,744,073,709,551,615 aught to cover it.
[21:37] <chrisstubbs> lol
[21:38] <chrisstubbs> for a 30 km launch
[21:38] <chrisstubbs> that only covers 614891469 per micrometer
[21:38] <chrisstubbs> not enough accuracy
[21:41] <nigelvh> Or, we could do eight sensors for every square centimeter of land on earth
[21:41] <chrisstubbs> sounds like a good idea to me!
[21:41] <fsphil> sadly 1-wire doesn't work well on wires more than 30cm or so :)
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[21:41] <chrisstubbs> put an arduino in every 30cm
[21:42] <nigelvh> No, you only need an arduino every 60cm because you can do 30cm on each side.
[21:42] <zyp> fsphil, it's specced to a few hundred meters
[21:42] <fsphil> cool, problem solved :)
[21:43] <jonsowman> lol
[21:43] <Adam012> Goodnight
[21:43] <nigelvh> All right, worldwide temp sensor platform. Get on it.
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[21:43] <chrisstubbs> hmmm we could do 17 sensors per m^3 of the earths volume
[21:43] <Lunar_Lander> Upu, would you have a moment to read something?
[21:44] <Lunar_Lander> or everyone else as well
[21:45] <nigelvh> I think we've probably got time on our hands if we're discussing setting up 18 septillion temperature sensors.
[21:45] <chrisstubbs> my bad, go on Lunar_Lander
[21:45] <Upu> shoot
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[21:46] <Lunar_Lander> this is the launch checklist I wrote today http://wp.me/a3docb-3
[21:46] <Lunar_Lander> and I wanted to ask for opinions if possible
[21:46] <Upu> 3 Canon
[21:46] <Upu> set camera to landscape
[21:47] <Upu> Remark: Only Start Ination if Payload is working OK! Only touch the Balloon
[21:47] <Upu> wearing gloves!
[21:47] <Upu> sound advise
[21:49] <Upu> If the balloon is directly above the payload, release payload
[21:49] <Upu> also consider running like an idiot
[21:49] <fsphil> and do a little jump, but release the balloon after you land
[21:49] <Upu> lol
[21:50] <arko> afternoon
[21:51] <Upu> hey arko
[21:51] <nigelvh> Howdy
[21:51] <chrisstubbs> "Call DFS and announce that Launch is Imminent! " are you launching a sofa? ;)
[21:51] <arko> sup
[21:52] <Lunar_Lander> xD
[21:52] <Lunar_Lander> DFS is our flight control agency
[21:52] <PaulCDR> id love a copy of that lunar when you get a final version, would be great as we are doing our first launch this year
[21:52] <chrisstubbs> Looks like a good list lunar, i should do the same
[21:52] <Lunar_Lander> is DFS some sort of transport company in britain?
[21:52] <chrisstubbs> evening arko
[21:52] <chrisstubbs> no they sell sofas etc
[21:52] <Lunar_Lander> ah xD
[21:53] <chrisstubbs> and in the TV adverts there is always a sale on that "must end soon"
[21:53] <nigelvh> Like matresses. Are they ever NOT on sale?
[21:53] <fsphil> probably the day I buy something
[21:54] <chrisstubbs> lol
[21:54] <arko> waiting for NOAA12 to pass overhead
[21:54] <chrisstubbs> DPD and DHL are transport companies btw lunar is thats what your thinking
[21:54] <bertrik> DFS sounds familiar like some ferry operator
[21:55] <bertrik> oh that's DFDS
[21:56] <chrisstubbs> has anyone seen the harry and paul sketch with the two old guys and the phones?
[21:57] <PaulCDR> i think these look the business http://www.ebay.co.uk/itm/Digital-Temperature-Temp-Sensor-Thermal-Probe-DS18B20-For-Thermometer-Waterproof-/281058706095?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item41706782af&_uhb=1
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[21:58] <Lunar_Lander> thanks for the comments :)
[22:00] <chrisstubbs> Lunar_Lander, do you also have a list of things to take, as well as to do?
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[22:06] <cuddykid> hey Upu - I think I've fried some part of one of the boards.. can't get any radio transmission at all - would I be able to send the board back to you to see if it's completely bust?
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[22:12] <Lunar_Lander> chrisstubbs, not yet
[22:17] <Upu> sure cuddykid send it back
[22:18] <cuddykid> cheers Upu, will get it in the post tomorrow hopefully
[22:18] <Upu> how did you fry it ?
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[22:43] <Lunar_Lander> chrisstubbs, I will write one
[22:43] <Lunar_Lander> balloon, payload, gloves, fill tube, helium, batteries
[22:44] <Lunar_Lander> xD
[22:46] <chrisstubbs> Lunar_Lander, http://paste.chris-stubbs.co.uk/nB0jq3wH
[22:47] <Lunar_Lander> cool, thanks
[22:48] <chrisstubbs> 41. jump leads... Yeah im anticipating a worst case scenaro
[22:48] <chrisstubbs> inverter running the laptop on a 14 year old car battery could end badly :P
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[22:53] <nigelvh> A 14 year old car battery is going to be less than ideal for starting a car anyway.
[22:54] <SpeedEvil> depends if it's been stored charged in the freezer or not
[22:54] <chrisstubbs> made in 99 and still going strong!
[22:55] <nigelvh> I'd bet if you put it on an analyzer it really isn't all that strong.
[22:55] <SpeedEvil> it,s weird
[22:55] <chrisstubbs> i could do with a new one i suppose, but until the car wont start im sticking with it!
[22:55] <SpeedEvil> some batteries just seem to last forever through abuse
[22:56] <jonsowman> yeah
[22:56] <nigelvh> How big is the engine in your car?
[22:56] <jonsowman> some will just go on forever
[22:56] <chrisstubbs> only 1.25
[22:56] <jonsowman> only just replaced the one in our 2003 1.6l petrol 307
[22:56] <nigelvh> Ah, yeah. small engines are easier to start and are easier on batteries
[22:57] <jonsowman> petrols easier than diesels as well
[22:57] <nigelvh> Yes
[22:57] <jonsowman> though modern diesels are pretty good
[22:57] <jonsowman> compared to older IDIs
[22:57] <nigelvh> Last I replaced was something like 10-12 years on a 2.4L engine.
[22:58] <Jess--> can't be as bad as a 3.9v8 running on LPG (no petrol at all)
[22:58] <jonsowman> I imagine that's pretty easy to turn over
[22:58] <jonsowman> relatively
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[22:59] <Jess--> a lot of turning over before you get the magic gas/air ratio into the cylinders
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[22:59] <jonsowman> sounds optimal :P
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[23:00] <Jess--> 22 year old range rover is the machine with that setup
[23:01] <Jess--> paid £2100 for it 14 years ago and have been trying to kill it ever since
[23:02] <jonsowman> nice
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[23:06] <Lunar_Lander> so people
[23:06] <Lunar_Lander> https://oernen2balloon.wordpress.com/ my new blog
[23:06] <Lunar_Lander> :)
[23:07] <fsphil> snazzy
[23:08] <fsphil> I keep thinking of doing a weblog but I've very little to say
[23:09] <Lunar_Lander> yea
[23:10] <chrisstubbs> Nice lunar
[23:10] <Jess--> just say what you're doing now and what you are planning to do
[23:10] <chrisstubbs> would like to see a write up of your payload hardware :)
[23:10] <fsphil> "Today I setup a weblog, and I plan to update it sometime" :)
[23:11] <Jess--> lol
[23:11] <chrisstubbs> lol, its now or never fsphil
[23:12] <Jess--> I'm sure a lot of people would be interested in others payloads
[23:12] <Jess--> problems encountered etc
[23:12] <chrisstubbs> Yes
[23:12] <fsphil> that's true
[23:12] <chrisstubbs> i was also thinking it would be cool to do a list of everyones blogs/websites on UKHAS
[23:12] <chrisstubbs> i allways forget who made what payload :P
[23:13] <fsphil> if it's pink it's Upu
[23:13] <fsphil> otherwise statistically it's probably Daviey
[23:13] <fsphil> er
[23:13] <fsphil> daveake
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[23:13] <fsphil> although I'm sure Daviey has launched loads too
[23:13] <SpeedEvil> https://mobile.twitter.com/DEVOPS_BORAT
[23:13] <SpeedEvil> -
[23:13] <SpeedEvil> :-)
[23:13] <chrisstubbs> he is brilliant
[23:14] <jonsowman> yeah I do like that one
[23:15] <SpeedEvil> Conflict resolution is most important skill of manager. In startup we are force all manager for use git.
[23:15] <jonsowman> :D
[23:16] <fsphil> now there's an idea
[23:16] <Elwell> planet.ukhas?
[23:16] <Lunar_Lander> thanks chrisstubbs
[23:17] <Lunar_Lander> well my post is like a good example
[23:17] <Lunar_Lander> you could say
[23:17] <Lunar_Lander> "in 2010 I started HABing and flew several times already"
[23:17] <Lunar_Lander> or sdo
[23:17] <Lunar_Lander> so
[23:19] <fsphil> I still remember my first HAB experience. I was 4 and I got a birthday balloon. It got away, and I was sad
[23:19] <Jess--> I guess the tracker wasn't very effective
[23:21] <fsphil> my record hasn't really improved since then to be honest
[23:22] <chrisstubbs> Why do i love setting up pointless php scripts so much
[23:22] <chrisstubbs> first php pastebin, now this http://u.cship.tk/
[23:22] <Jess--> I'm still building up to my first balloon, tracker seems to be working so far, butchering code from craag1 to learn the ins and outs
[23:22] <Lunar_Lander> Jess--, are you from the UK?
[23:23] <Jess--> yeap, (look at the location of vbrtest on the map
[23:23] <Jess--> it's sat on my desk
[23:24] <Lunar_Lander> how did you come to HAB?
[23:24] <chrisstubbs> Hah, balloon path has made an interesting pattern
[23:24] <Jess--> interest in gps, transmitters and looking for a project to do with some other hams in the area
[23:25] <fsphil> that's what I like about it, lots of interests all rolled up into one activity
[23:25] <fsphil> also the fine people here
[23:25] <chrisstubbs> Jess--, is your tracker based on the nano, ublox and RFM all hooked up with wires?
[23:25] <Jess--> sure is chris
[23:25] <chrisstubbs> Its a great idea, nice and small!
[23:26] <Jess--> first tracker I ever made was hidden away inside a transit van, it was a gps/gsm module hacked so you could dial into it as a modem and receive raw gps data
[23:26] <fsphil> did you own this van? :)
[23:27] <jonsowman> lol
[23:27] <Jess--> yes. it used to carry around 20k of equipment in it
[23:27] <fsphil> ah, quite sensible then
[23:27] <Jess--> these days it's left unlocked in the hope of someone taking it
[23:27] <Jess--> ;)
[23:27] <fsphil> I'd put a tracker in my car but that would probably be the most valuable part of it
[23:28] <chrisstubbs> i ran an insurance quote the other day to see how much my premium would go down if i put a tracker in it
[23:28] <chrisstubbs> 15p.
[23:28] <jonsowman> heh
[23:28] <fsphil> yikes
[23:28] <jonsowman> I'm after a decent dashboard camera
[23:28] <fsphil> yea!
[23:28] <chrisstubbs> jonsowman, planning on capturing some meteors?
[23:28] <jonsowman> the Blackvue ones look nice
[23:28] <fsphil> was just talking to some friends about those today
[23:28] <Jess--> I did frighten the life out of someone when I phoned them up and told them to slow down because they were approaching a bad corner
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[23:29] <Jess--> up until that point they thought I was joking about the tracker
[23:30] <Jess--> stuff has got a lot smaller (and cheaper) since then
[23:31] <Jess--> I would have killed for a ublox type gps receiver back then
[23:33] <chrisstubbs> i picked up a BT GPS from a boot sale for £2 last year. Nice SIRF board in there for a future project :)
[23:33] <chrisstubbs> what kinda thing did you have to use?
[23:34] <jcoxon> evening all
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[23:34] <chrisstubbs> Hello jcoxon
[23:35] <fsphil> howdy jcoxon
[23:35] <Jess--> this was the sort of module I was using Falcom a2d-si-900-1800
[23:38] <chrisstubbs> oo cool, they have a processor in too?
[23:38] <Lunar_Lander> jonsowman, do you know the Techmoan blog? he reviews car cameras from time to time but says himself he doesn't favor any of the current models
[23:38] <jonsowman> hmm fair enough
[23:38] <jonsowman> I'll have a look
[23:39] <Lunar_Lander> "I did frighten the life out of someone when I phoned them up and told them to slow down because they were approaching a bad corner"
[23:39] <Lunar_Lander> XD KITT
[23:39] <Jess--> pretty much onle enough to tell the modem to auto answer and loop out the nmea stream
[23:39] <jonsowman> I want one for when I start commuting 25k/year ish from next year
[23:39] <Jess--> bedtime for me
[23:39] <chrisstubbs> fair enough
[23:39] <chrisstubbs> night Jess--
[23:40] <chrisstubbs> im off too actually! night all
[23:40] <jonsowman> night
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[23:40] <Lunar_Lander> night Jess--
[23:40] <Lunar_Lander> jonsowman, http://www.techmoan.com/blog/2013/2/7/the-smallest-car-dvr-so-close-but-misses-by-a-mile.html
[23:41] <jonsowman> the blackvue ones have GPSes which seems like a good idea
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[23:42] <fsphil> I'd like one as the quality of drivers here seems to be dropping quickly
[23:47] <Lunar_Lander> yea
[23:48] <Lunar_Lander> I read that so many people in Russia have the cameras due to corruption and so on
[23:48] <Lunar_Lander> this is why the meteor was recorded by so many dashcams
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[00:00] --- Mon Feb 25 2013