highaltitude.log.20100708

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[00:13] <jcoxon> hey juxta
[00:13] <jcoxon> all set?
[00:13] <juxta> yup yup, mostly :)
[00:15] <jcoxon> great
[00:15] <juxta> any idea what's up with jonsowman's predictor?
[00:15] <jcoxon> nope
[00:16] <Randomskk> what is up with it?
[00:16] <Randomskk> the hourly or the one off one?
[00:21] <juxta> the one off one - just gives me invalid predictions
[00:22] <juxta> they go way up north, off the map of the world
[00:22] <jcoxon> does the old one work still?
[00:22] <juxta> yep, that one works :)
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[00:26] <Randomskk> it's working fine for me from chu, where are you launching from?
[00:31] <juxta> Randomskk: wistow
[00:32] <Randomskk> http://hexoc.com/hab/predict/predict/#!/uuid=d6816c7b0a66fceb277d3bb061af3ce7b3a8b0df
[00:34] <juxta> hmm
[00:34] <juxta> let me try it again
[00:35] <juxta> http://hexoc.com/hab/predict/predict/#!/uuid=c00dfb9cf7a8b0b20082dce163b5203eb47648b3
[00:35] <juxta> (i set the alt to 33,000)
[00:39] <Randomskk> hmm
[00:39] <Randomskk> it seems to weird out a bit
[00:39] <Randomskk> odd.
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[01:04] <juxta> ok, I'm off
[01:04] <juxta> I'll be on the tracker soon :)
[01:05] <Randomskk> good luck!
[01:05] <SpeedEvil> good luck
[01:06] <SpeedEvil> !
[01:07] <Randomskk> hmm. anyone have any comments on http://github.com/randomskk/SelWX/raw/master/pcb/selwx_r1/selwx_r1_board.png ?
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[01:20] <jcoxon> oooo car on the map
[01:22] <Chris____> hi, all! I'm a little confused about timezone conversion. the map says 10:51 while tracking the car, but I thought it was only 9:51 based on ACTS timezone conversion from GMT.
[01:23] <jcoxon> oh the tracker does funning things with time
[01:23] <jcoxon> funny*
[01:23] <Chris____> ok :)
[01:24] <jcoxon> i think natrium went the wrong way with a conversion once and since then its been haunted
[01:24] <jcoxon> i'd just take it with a pinch of salt
[01:24] <jcoxon> if the minutes line up then its proberly right
[01:25] <Chris____> I wanted to let a couple friends know about the project and wondered if it was an hour from launch, or 2 hours (didn't want to get them bored)... ;)
[01:26] <jcoxon> its in an hour i think
[01:26] <jcoxon> according to my previous calcs
[01:27] <jcoxon> Chris____, i think the car time is correct
[01:27] <Chris____> cool. thx
[01:28] <Chris____> I'll go with that for telling my friends. if they have to sit around another hour, then so be it.. :)
[01:28] Nick change: Chris____ -> ChrisP
[01:28] Nick change: ChrisP -> ZenCow
[01:28] <ZenCow> there... easier to type
[01:31] <ZenCow> did he miss his turn-off?
[01:32] <jcoxon> oh one of the chase cars is going ahead
[01:32] <jcoxon> to try and catch it coming down
[01:33] <ZenCow> heh... a 2nd car now... ok
[01:33] <jcoxon> hmmm might be 2hrs :-p
[01:33] <jcoxon> i can't do timezones
[01:33] <ZenCow> I was googling for it again just now ;)
[01:34] <jcoxon> 10:04 am right now
[01:34] <ZenCow> ok, yeah, I feel confident with that now :)
[01:35] <jcoxon> weird they are reporting 10:52 and 11:52
[01:36] <jcoxon> also balloon launches are always late :-)
[01:37] <ZenCow> yeah, they just jumped 2 hours and some
[01:37] <ZenCow> hehe
[01:38] <ZenCow> also interesting how the red car leaves a blue trail and the blue car leaves a red trail ;)
[01:38] <jcoxon> ZenCow, what map are you following?
[01:39] <ZenCow> http://spacenear.us/tracker/
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[01:39] <rjharrison> I'm here to gloat
[01:39] <jcoxon> no trail on my map
[01:39] <jcoxon> rjharrison, gloat about what?
[01:39] <rjharrison> Just got my full licence
[01:39] <jcoxon> hurrah
[01:39] <ZenCow> it's an option on the right, with the location data... click "Path" to toggle
[01:39] <jcoxon> good work
[01:39] <rjharrison> Need to sort out call sign now
[01:40] <rjharrison> M0IRE
[01:40] <jcoxon> eek
[01:40] <rjharrison> I'm thinking of
[01:40] <rjharrison> M0HAB has gone
[01:40] <jcoxon> something weird about that
[01:40] <rjharrison> Pron. More HAB
[01:41] <rjharrison> M0RPH
[01:41] <jcoxon> remember you spell callsigns out rather then say them
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[01:41] <rjharrison> Yep I'm going to go for something sensible
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[01:42] <rjharrison> RJH has gone :(
[01:42] <rjharrison> Any how you have loast your track?
[01:42] <rjharrison> olost
[01:42] <griffonbot> @jamescoxon: #ukhas Horus 3 launch 2hrs time from Australia - follow on http://spacenear.us/tracker/ [http://twitter.com/jamescoxon/status/17994075430]
[01:42] <rjharrison> BTW why the change of launch time
[01:42] <rjharrison> Is that due to CUSF
[01:43] <jcoxon> no me
[01:43] <rjharrison> Something come up
[01:43] <jcoxon> got a house viewing for august at 2pm on friday
[01:43] <jcoxon> would never make it up to cambridge
[01:43] <jcoxon> does mean that the balloon is coming your way
[01:43] <rjharrison> Cool
[01:43] <rjharrison> I'll be able to collect if you like
[01:46] <ZenCow> time looks correct for blue car now, but red car is still an hour ahead
[01:53] <rjharrison> nights all
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[01:58] Action: jcoxon wonders why he is still awake
[01:58] <ZenCow> jcoxon, what time is it for you?
[01:58] <jcoxon> and watching 2 cars travel across South Australia
[01:58] <jcoxon> 2am
[01:59] <ZenCow> 6pm for me
[01:59] <jcoxon> states?
[02:02] <ZenCow> yup. California... between San Francisco and San Jose
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[02:10] <jcoxon> oops
[02:12] <ZenCow> welcome back
[02:13] <jcoxon> according to the predictor the flight will land around Lameroo off to the east
[02:13] <andysa> Good Morning, any Project Horus followers here?
[02:13] <jcoxon> looks like thats where the red car is going
[02:13] <jcoxon> andysa, hey yeah we are following
[02:13] <jcoxon> on http://spacenear.us/tracker/
[02:13] <andysa> Great
[02:15] <jcoxon> they could do with a few more listening stations for the flight
[02:15] <andysa> I am the one in Camden Park
[02:16] <jcoxon> ooo cool
[02:16] <ZenCow> any experience with Google Earth? I'm not able to see the data on the map in GE, but see it on the website's flat map ok.
[02:16] <andysa> However, given this is my first attempt at this, and only possessing basic equipment, I am not overly confident
[02:16] <jcoxon> ZenCow, ummm only the balloon track goes into the GE kml
[02:16] <ZenCow> ah-ha!
[02:16] <jcoxon> andysa, don't worry i can help you with that
[02:17] <andysa> cheers
[02:18] <andysa> jcoxon, are you in Adelaide?
[02:18] <jcoxon> no UK
[02:19] <jcoxon> i'm one of the developers of dl-fldigi though
[02:19] <andysa> you have done a good job!
[02:19] <jcoxon> are you running the old or new version?
[02:20] <andysa> 3.11.4
[02:21] <jcoxon> okay
[02:21] <jcoxon> old version
[02:21] <jcoxon> there is a new version - its a little bit more beta but is cooler
[02:21] <jcoxon> http://github.com/jamescoxon/dl-fldigi/downloads
[02:22] <jcoxon> though i've only got binaries for OS X and Windows
[02:22] <andysa> I will check it out
[02:23] <jnd> the git version doesn't like new libpng
[02:23] <jcoxon> jnd, danielrichman has patched this
[02:24] <jnd> fine then
[02:25] <jcoxon> but its not in the my github yet
[02:25] <jcoxon> can pull it if you want
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[02:26] <jnd> I don't need it, maybe for others
[02:26] <jcoxon> yeah dl-fldigi development has fallen behind a little
[02:27] <jcoxon> quite a few bugs i need to fix
[02:27] <jcoxon> but have been focusing on my payload
[02:27] <andysa> Anyone know the frequency of the repeater the chase cars are using to communicate with?
[02:29] <jcoxon> they said it was VK5RMB
[02:29] <jcoxon> just looking for the freq now
[02:30] <jcoxon> 146.875 apparently
[02:30] <andysa> yes, thats what I thought.
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[02:42] <juxta> hi all, in the field now
[02:42] <jcoxon> hey juxta
[02:42] <juxta> ahoy - quite late for you I imagine :)
[02:42] <jcoxon> indeed
[02:42] <jcoxon> launch!
[02:42] <juxta> hehe
[02:42] <juxta> soon soon, just getting ther payload setup
[02:43] <juxta> will start inlfation soon
[02:43] <jcoxon> just tried to find a local IRLP repeater
[02:43] <jcoxon> none in range of me
[02:44] <jcoxon> balloon on map
[02:44] <juxta> :(
[02:44] <juxta> having some issues with my 2m here anyway, 70cm radio is working good though
[02:44] <juxta> also my han dheld 2m is ok
[02:44] <juxta> I think we have an echolink node up too
[02:44] <juxta> number is 28300 from memory
[02:44] <juxta> try give me a call there if you like
[02:45] <jcoxon> not sure i'm registered
[02:45] <jcoxon> let me see
[02:45] <jcoxon> - get on with your balloon launch
[02:46] <juxta> will do!
[02:48] <andysa> jcoxon, quick question... does dl-fldigi cache the telemetry it receives.
[02:49] <andysa> If I lose internet conn for a few minutes, does will it resend the received telemetry once the internet connection is restored
[02:49] <jcoxon> andysa, its more of a live system so it 'should' just move on
[02:50] <jcoxon> the system is designed ti have lots of listeners who fill in the gaps for each other
[02:51] <andysa> ok
[02:52] <andysa> just that if I cant receive it from my base location, I will need to go mobile. Problem is I dont have an internet connection
[02:53] <jcoxon> see how it goes - from your position it'll need to get quite high before you can hear it
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[02:55] <jcoxon> if not we can upload the data later
[02:57] <andysa> ok
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[02:57] <andysa> sounds like a plan
[02:57] <jcoxon> i've got over 100km from a whip indoors in a city
[02:58] <andysa> well that gives me some confidence then.
[02:58] <jcoxon> the longest range currently is 555km
[02:58] <andysa> The Radiometrix modules are only 25mW, arent they?
[02:59] <jcoxon> this one is
[02:59] <jcoxon> the ones we use are 10mW
[02:59] <andysa> thats mighty impressive
[02:59] <jcoxon> (can't any more)
[02:59] <jcoxon> can't use any more power*
[03:01] <juxta> hey jcoxon, andysa
[03:01] <juxta> balloon inflation has started
[03:01] <juxta> weather here is perfect
[03:01] <juxta> :)
[03:01] <jcoxon> juxta, can't do echolink as have to be validated
[03:01] <jcoxon> another day
[03:02] <juxta> no worries
[03:02] <andysa> hope its a bit warmer then here in Camden Park
[03:02] <juxta> thanks for helping with tracking andysa! :)
[03:02] <juxta> nice and sunny, wind is very low
[03:03] <juxta> do you have a voice radio andysa?
[03:03] <andysa> my pleasure.... I am a newbie, so dont expect too much
[03:03] <andysa> No, I dont unfortunately. I will just be using a Scanner today.
[03:03] <juxta> no worries
[03:04] <ZenCow> stepping out to grab dinner (California, US). hope to be back to catch the launch, but if not... best of luck on the launch and flight.
[03:04] <andysa> how high do you anticipate Horus will need to be, before I am likely to pick up anything here in Camden Park (near Glenelg)
[03:04] <jcoxon> andysa, 3000m i reckon
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[03:14] Action: SpeedEvil sighs.
[03:14] <SpeedEvil> Now I realise why my net was slow.
[03:14] <SpeedEvil> I blew off a search on get_iplayer - and it was downloading it all.
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[03:16] <jcoxon> ouch
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[03:17] <SpeedEvil> Want a nice get_iplayer interface on the phone.
[03:17] <juxta> balloon inflation is coming along well
[03:17] <juxta> balloon was slightly discoloured from being old i guess
[03:17] <SpeedEvil> It's _much_ lighter on battery to play nice movs or something than in flash
[03:17] <juxta> will see if it impacts max alt
[03:19] <andysa2> lets hope it doesnt impact inflation :)
[03:23] <andysa> last minute confirmation guys.... 434.650 is the Telemetry Freq?
[03:26] <juxta> andysa: yes
[03:28] <jnd> 12C outside, that's about as cold as here, only it's 4 am :)
[03:30] <juxta> okay, we're getting close now
[03:30] <juxta> measuring lift with a digital scale beats the manual way for sure
[03:30] <andysa> :)
[03:30] <andysa> ready to go
[03:32] <ZenCow> awesome... made it back in time for launch. good luck!
[03:32] <jcoxon> whats the time in Oz andysa?
[03:33] <andysa> 12:02
[03:33] <jcoxon> pretty close to planned launch time
[03:33] <jcoxon> ZenCow, you flown balloons before?
[03:33] <ZenCow> I have not, no
[03:34] <ZenCow> but some friends and I were sharing email about some balloon video and stills earlier today
[03:34] <jcoxon> fair enough
[03:34] <ZenCow> I found Project Horus while Googling for more stuff, just 2 hours before launch :)
[03:34] <jcoxon> yeah balloon launches are more common then you think
[03:34] <jcoxon> especially in the states
[03:35] <jcoxon> though they usually are based upon amateur radio systems
[03:35] <ZenCow> thanks to Google, Horus came up on top when I searched :)
[03:35] <jcoxon> this is more the non-amateur radio setup
[03:35] <jcoxon> :-p
[03:35] <andysa> not bad for a sleepy little Australian city like Adelaide
[03:35] <andysa> this is probably the most exciting thing to happen here, since we hosted the Gran Prix
[03:35] <andysa> lol
[03:36] <ZenCow> heh
[03:36] <jcoxon> well i'm launching on saturday
[03:36] <ZenCow> I'm on vacation and when I saw this, with tracking, I got excited. :)
[03:36] <ZenCow> I sent an email to the local robotics club mail list about it
[03:36] <jcoxon> 18:00 UTC - same place
[03:36] <ZenCow> cool :)
[03:37] <jcoxon> (as in spacenear.us/tracker/ , it'll be from the UK)
[03:41] <andysa> I will watch with interest
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[03:46] <pschulz01> Waiting for the horus3 launch
[03:46] <andysa> not far off now pschulz01, we have been told
[03:46] <ZenCow> you charged your batteries for the camera ;)
[03:46] <pschulz01> :-)
[03:48] <pschulz01> High cloud about.
[03:52] <ZenCow> out my way at the end May, was an event called the Maker Faire. I saw a high-altitude project there, with video that was stitched and re-oriented to make viewing easier. neat video to watch
[03:53] <ZenCow> was trying to find it online when I found Project Horus
[03:53] <jcoxon> looks like they are moving out to release
[03:53] <andysa> where are you Zencow?
[03:54] <andysa> yes jcoxon, little bit of movement I noticed
[03:54] <jcoxon> ZenCow, http://www.nivnac.co.uk/blog1.php
[03:54] <jcoxon> its off
[03:54] <ZenCow> California, between San Francisco and San Jose
[03:55] <juxta> jcoxon, andysa: balloon is up
[03:55] <andysa> yes... standing by
[03:55] <ZenCow> woooo
[03:57] <ZenCow> not seeing it in Google Earth... :( tho, I've only just installed GE, so not sure if I'm doing anything right ;) I do see the link doing a periodic refresh, tho
[03:58] <jcoxon> yeah appears to be broken
[03:58] <jcoxon> best stick to the spacenear.us map
[03:58] <ZenCow> been holding out all this time, and you have a cool enough thing going on to make me install Google Earth... ;)
[03:59] <jcoxon> okay i'll fix it
[04:00] <ZenCow> I was just sharing the irony, but if you can, that would be cool :)
[04:00] <andysa2> i can hear it
[04:00] <andysa2> however, not decoding at this stage
[04:03] <juxta> jcoxon will the automatic predictions run on the tracker?
[04:03] <juxta> burst altitude is 33km
[04:04] <jcoxon> juxta, oops
[04:04] <jcoxon> never grabbed the gfs data
[04:04] <jcoxon> hold on
[04:05] <jcoxon> downloading now
[04:05] <jcoxon> will take a little while
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[04:06] <Darkside> arghhhh
[04:06] <Darkside> what frequency?
[04:07] <jcoxon> 434.650
[04:07] <juxta> thanks
[04:07] <jcoxon> juxta, i think the cars are breaking the system
[04:07] <jcoxon> might delete them (they'll get re added but at the bottom)
[04:07] <Darkside> ok theres something there
[04:08] <Darkside> etting a carrier anyway
[04:09] <jnd> funny that path of the red car is blue and vice versa
[04:09] <jcoxon> juxta, hmmm i grabbed the gfs but i fear that its too late
[04:10] <Darkside> aww man SSB
[04:10] <Darkside> dammit, i don't have a UHF SSB receiver
[04:10] <andysa2> $$HORUS,413,2:38:45,-35.1454,138*8294,345,7(8;27;*2823
[04:10] <andysa2> $$ORUS,44,12:38:58,-35.1455,18.8295,3481,8,9;25;3*2B96
[04:10] <andysa2> $$HORUS,415,12:39:11,-35.1456,138.29(1518,11,8;27;2*52A8
[04:10] <andysa2> $$ORUS,416,12:39:24(-5.1458,138.83003556,17,9;27;1*3452
[04:10] <andysa2> $$HORUS,417,1839:37,-351462,138.8303,3515,03,9;26;2*F917
[04:10] <andysa2> $$HORTS,418,12:39:50$%35.1465,138.8306,3631,16,8;26;2*50D1
[04:10] <andysa2> $$HORUS,419,12:40:03,-35.1469,138.0308,3668,14,8;"6;0*DD0D
[04:10] <jcoxon> ZenCow, fixed
[04:10] <jcoxon> andysa, we need to get that uploading to the server
[04:10] <ZenCow> oooh, neat... I see it on GE :)
[04:11] <jcoxon> did you follow the guide?
[04:11] <andysa2> there seems to be lots ff errors
[04:11] <andysa2> yes
[04:11] <andysa2> followed it to the letter
[04:12] <jcoxon> oh wait data is getting through
[04:12] <jcoxon> is SQL turned on (bottom right corner)
[04:12] <jcoxon> if so turn it off
[04:12] <ZenCow> the Google Earth plot is cooler than I thought it could be. kudos for fixing it.
[04:13] <jcoxon> np was something i broke in the first place
[04:13] <andysa2> it was on
[04:13] <andysa2> off now
[04:13] <jcoxon> that should help
[04:15] <andysa2> still doesnt seem to be uploading
[04:15] <andysa2> any ideas?
[04:15] <jcoxon> juxta if you change your dl-fldigi callsign to chase-vk5vzi it'll show green lines to your car
[04:15] <jcoxon> andysa2, it is
[04:15] <andysa2> ok
[04:16] <andysa2> good
[04:16] <jcoxon> well it was...
[04:16] <jcoxon> you've got 1 string through complete
[04:17] <jcoxon> you are just getting an error every string
[04:17] <jcoxon> so it rejects the string
[04:20] <jcoxon> yay
[04:20] <jcoxon> another one got through
[04:20] <jcoxon> saw your name in the receiver box
[04:21] <juxta> how is the prediction coming jcoxon?
[04:21] <jcoxon> can't seem to get it to work
[04:21] <andysa2> signal is fairly clean now
[04:21] <jcoxon> i've grabbed the gfs data
[04:21] <jcoxon> but its just not appearing
[04:22] <ZenCow> end-of-line characters?
[04:24] <jcoxon> refresh your map to remove that glitch in the path
[04:25] <ZenCow> until I refreshed, I was still seeing paths in the original colors
[04:26] <ZenCow> now Horus is blue, no path for the Red car, and a green path for the Blue car (but not back to it's start)
[04:26] <jcoxon> yeah i had to remove some of the track for the cars
[04:26] <jcoxon> to get the kml to work
[04:27] <jcoxon> but actually that didn't fix it - something else did
[04:27] <jcoxon> sorry
[04:27] <jcoxon> thought we could afford to lose the cars
[04:27] <ZenCow> funny how the map still had the data until I refreshed
[04:27] <juxta> oh well, not the end of the world. Don t stay up for too long
[04:27] <jcoxon> juxta, its a time issue
[04:27] <ZenCow> yeah, Red car's clock is an hour ahead
[04:32] <juxta> thank for removing the bad balloon spot
[04:32] <jnd> andys time off too
[04:33] <andysa2> DE VK5VZI, PROJECTHORU.ORG*838E
[04:33] <andysa2> $$HORUS,521,13:02:13,-35.2128,138.9139,8219,34,8;19;-32*1A04
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[04:33] <andysa2> pc time?
[04:35] <jnd> in the map it's last data 4:31
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[04:36] <andysa2> getting a bit of drift in the modulation now
[04:36] <andysa2> temperature related?
[04:37] <jcoxon> yeah will be
[04:37] <juxta> andysa2 baud rate change to 100 at 10,0000m
[04:37] <andysa2> ok, cheers
[04:38] <andysa2> polarisation is shifting a lot
[04:38] <andysa2> but i guess thats to be expected
[04:40] <pschulz01> nerly at 10k
[04:41] <jcoxon> juxta, i can't do it
[04:41] <jcoxon> sorry
[04:41] <jcoxon> tis a job for natrium
[04:42] <jcoxon> night all
[04:42] <ZenCow> nite jcoxon
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[04:46] <andysa2> can anyone confirm if we have hit 10km
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[04:47] <rjharrison> ping juxta
[04:47] <rjharrison> Do we have a GPS issue here
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[04:47] <ZenCow> tracker says it's at 11,565 on last update
[04:47] <ZenCow> 11,599m
[04:48] <juxta> rjharrison, seem to be having an issue with the higher baud rates
[04:48] <rjharrison> Ohh opps doh. It's 4.47 and my brain aint in gear
[04:49] <rjharrison> juxta cool np
[04:49] <rjharrison> 300 baud?
[04:49] <andysa2> are you interleaving 50 and 100 transmissions ?
[04:49] <rjharrison> Perhaps the oscillator is getting affected by temp
[04:49] <pschulz01> andysa2: Website says 11959m
[04:50] <juxta> current baud is 100, 12km at present
[04:51] <ZenCow> internal temp reads 9C
[04:51] <jnd> 1km per ~4,5 minutes
[04:52] <juxta> ok, it's a code issue guys
[04:52] <ZenCow> slow and steady drop in internal temp, but external temp reading is bouncing around, sometimes values look bogus (eg: 85C)
[04:52] <juxta> it's mainly transmitting at 50b and switching to 100b for a few seconds
[04:52] <juxta> ZenCow: yeah, another bug ;p
[04:53] <jnd> what's range of the temp sensor?
[04:53] <andysa2> 100 baud........... $$HORUS,672,13:22:34,-35.1956,139.1431,12678,69,8;8;-38*BBF4
[04:55] <rjharrison> need to get natrium to get the cars to point in the direction of travel :)
[04:56] <rjharrison> Juxta just got my full ham licence
[04:56] <rjharrison> Need to get the callsign sorted next
[04:56] <pschulz01> rjharrison: Or have a velocity vector.
[04:56] <ZenCow> altitude for the cars would help the plots, too (at least on Google Earth, where the lines are under the surface, unless you zoom out to let them bleed thru the ground).. :)
[04:57] <jnd> it follows the prediction image pretty well
[04:57] <andysa2> Receiving 150 baud
[04:57] <ZenCow> yeah, the path is looking quite close
[04:57] <ZenCow> 13,740m
[04:58] <pschulz01> What was the maximum height in the prediction?
[04:59] <rjharrison> The def alt should be 500m I guess for cars
[05:00] <ZenCow> pschulz01: does this help? --> [20:03] <juxta> burst altitude is 33km
[05:00] <pschulz01> vk5vzi is off like a bullet.
[05:00] <pschulz01> ZenCow: Yep.. thanks.
[05:01] <ZenCow> that's my local timestamp... just a few mins shy of 1 hour ago
[05:02] <ZenCow> would be better if there was some way to specify altitude as "ground level" for cars, or use the actual alt
[05:03] <rjharrison> Actual alt would be easy as tracking is normally done by gps that reports alt
[05:03] <ZenCow> figured that would be easiest
[05:03] <rjharrison> Will have a look at the tracker code
[05:04] <ZenCow> very cool stuff done with the tracker, guys
[05:05] <ZenCow> 15,465m alt... 2C internal temp!
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[05:08] <andysa2> starting to lose you now unfortunately
[05:09] <jnd> turn on the heaters now :)
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[05:13] <rjharrison> Do we know hte size of the balloon?
[05:13] <rjharrison> 1500g?
[05:17] <natrium42> hey
[05:17] <natrium42> a launch going on?
[05:17] <pschulz01> What happened?
[05:17] <pschulz01> burst?
[05:18] <natrium42> oh, juxta launched
[05:18] <natrium42> cool
[05:18] <pschulz01> Website seems to indicate that it is under a parachute
[05:18] <pschulz01> No.. balloon is back
[05:19] <jnd> it's frozen inside
[05:19] <pschulz01> -1 C
[05:19] <natrium42> maybe ascent rate went negative briefly
[05:20] <rjharrison> hey natrium42
[05:20] <rjharrison> Evening sir
[05:20] <pschulz01> The outside temperature rose as well. -33 (ish - wasnt watching) to -29 now
[05:20] <rjharrison> juxta I'm going to wish you the best of luck and say goodnight 5:20 here
[05:21] <ZenCow> last update was almost 19km up and climbing (4.2 m/s)
[05:21] <rjharrison> nights all
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[05:21] <jnd> lowest external I saw was -38
[05:22] <jnd> oh we have the prediction
[05:22] <natrium42> :)
[05:22] <pschulz01> Excellent.. well done :-)
[05:23] <pschulz01> Aim for lameroo people.
[05:23] <natrium42> does anybody know target burst altitide?
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[05:23] <rjharrison> Hey natrium42 nice update
[05:23] <natrium42> wb rjharrison
[05:23] <natrium42> :)
[05:23] <pschulz01> 33km was the prediction mentioned earler..
[05:23] <pschulz01> earlier
[05:23] <rjharrison> wow smack on the road too
[05:23] <ZenCow> <juxta> burst altitude is 33km
[05:24] <natrium42> ok, prediction parameters are 33km burst and 7 m/s descent
[05:24] <natrium42> descent will be recalcualted once it's actually descending
[05:24] <ZenCow> alt now reads 20k
[05:24] <pschulz01> height - 20115m
[05:24] <pschulz01> rjharrison: Bombing Lameroo..
[05:24] <natrium42> lol, "Lameroo"
[05:25] <rjharrison> hehe
[05:25] <natrium42> aussie names
[05:25] <pschulz01> natrium42: South Aussie names..
[05:25] <rjharrison> natrium42 it would be cool to calc flight duration
[05:25] <natrium42> yeah, should add it
[05:25] <ZenCow> oh cool. the flight path prediction also marks the predicted burst location. nice.
[05:25] <rjharrison> Assuming we can guess launch ish
[05:26] <natrium42> it will land further than lameroo if descent rate is lower than 7 m/s
[05:26] <ZenCow> how long does it take to calculate the prediction? can it be re-calculated on each position update?
[05:26] <ZenCow> or is that what it's already doing?
[05:26] <natrium42> yeah, less than a second
[05:26] <rjharrison> nights again.
[05:27] <natrium42> nite rjharrison
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[05:27] <jnd> how do you calculate it?
[05:27] <natrium42> ZenCow, it just updates the prediction from the server less frequently than position updates
[05:27] <natrium42> using GFS data
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[05:27] <juxta> shoud be reverting to 50 baud now
[05:27] <natrium42> hey, juxta, looking great
[05:28] <ZenCow> ok, so it is updating as it goes? I thought it might, but also thought it might be right on the predicted path :)
[05:28] <juxta> code was fucked but back to 50 and seems to be working again
[05:28] <natrium42> ZenCow, yep, it updates with every new position
[05:28] <ZenCow> awesome. makes perfect sense to do that, and you did. :)
[05:29] <juxta> andysa2, you should be able to decode now
[05:30] <natrium42> hrm, times are not UTC?
[05:32] <juxta> sorry natrium42, thats my fault
[05:32] <jnd> those times looks almost random
[05:32] <natrium42> juxta, no prob, i adjusted the prediction just now
[05:32] <juxta> but dont worry about the predictor
[05:32] <natrium42> too late! :)
[05:33] <juxta> ah cool :)
[05:33] <pschulz01> hehe.. now it's coming down in Victoria.
[05:34] <pschulz01> back to bombongLameroo
[05:34] <pschulz01> bombing
[05:35] <ZenCow> was a little garbage in the data output on the site for that odd update
[05:35] <ZenCow> was in the temp readings (appended to internal temp, with no external temp output)
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[05:42] <andysa2> guys, I am still getting a reasonable signal
[05:42] <andysa2> however the shift is less then 425
[05:42] <andysa2> how do I change dl-fldigi to a custom shift?
[05:42] <ZenCow> internal temp last posted as -4C
[05:46] <jnd> andysa2: right click in lower left corner on rtty
[05:47] <ZenCow> wow... so after getting to 33km, even if it falls as fast as 7m/s, it will still take nearly 80 minutes to return
[05:48] <andysa2> yes, but I need to fine tune the shift
[05:48] <andysa2> I dont see a way to do that. Tthe shift changes are fixed
[05:49] <jnd> last option is custom
[05:50] <pschulz01> andysa2: 30min to return
[05:50] <pschulz01> andysa2: Sorry.. that was for ZenCow
[05:51] <andysa2> I must have a different version. I dont have a custom
[05:52] <ZenCow> pschulz01: well, it will have to come down faster than 7m/s then :)
[05:52] <jnd> pschulz01: that would be avg 18 m/s from 33km
[05:52] <pschulz01> jnd: I'm just looking at the time stamps in the predictor.
[05:53] <jnd> andysa2: are in config in rtty tab?
[05:53] <pschulz01> Burst 5:15, land 5:49
[05:53] <ZenCow> we should be finding out in about 20 mins +/-
[05:54] <natrium42> ZenCow, the times are off, since juxta didn't use UTC
[05:54] <jnd> here the carrier shift list is 350, 425, 850, then custom
[05:54] <natrium42> hmm, actually they are fine, just in UTC
[05:55] <ZenCow> I was doing the math myself, but nice to see I don't have to :)
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[05:56] <jnd> let's hope for Lameroo :p
[05:56] <natrium42> lol
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[05:58] <pschulz01> vk5vzi - turn left!
[05:58] <ZenCow> heh
[05:58] <juxta> hehe
[05:58] <juxta> will wait here for a little bit and stretch our legs
[05:59] <juxta> we'll just find somewhereto stop
[05:59] <pschulz01> vk5vzi .. sorry.. go straight ahead!
[05:59] <pschulz01> juxta: Which car you in?
[06:01] <pschulz01> Height: 30219m
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[06:02] <ZenCow> woo.. over 30k
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[06:04] <ZenCow> 31k
[06:06] <ZenCow> about 5 mins to predicted burst
[06:08] <ZenCow> seeing less frequent data updates now
[06:08] <ZenCow> 32k
[06:08] <pschulz01> ZenCow: last change of baud?
[06:08] <ZenCow> the project site says:
[06:09] <pschulz01> No.. that was at 21k
[06:09] <ZenCow> 0 m - 10,000 m = 50 baud 10,001 m - 13,000 m = 100 baud 13,001 m - 16,000 m = 150 baud 16,001 m - 19,000 m = 200 baud 19,001 m - 21,000 m = 200 baud > 21,000m = 50 baud.
[06:09] <pschulz01> Yesh.
[06:09] <ZenCow> ick.. that didn't read well
[06:09] <jnd> there are trees in the way where blue car stopped :)
[06:09] <pschulz01> ZenCow: np
[06:09] <ZenCow> see http://projecthorus.org the baud rates are at the top
[06:10] <ZenCow> should be at 50 now (above 21k and for descent)
[06:10] <pschulz01> 32.5km
[06:10] <ZenCow> was about to type that :)
[06:10] <ZenCow> lol
[06:11] <juxta> yep, my baud rate code had errors obviously ;p
[06:11] <juxta> and yes, there are trees where we stopped now
[06:11] <pschulz01> juxta: Which car are you in?
[06:11] <juxta> but we'll move shortly
[06:11] <andysa2> jnd, I dont have a custom, for some reason. Must be an older version of the software I am using
[06:11] <juxta> pschulz01: blue one - vk5vzi is me
[06:11] <ZenCow> 32,887m
[06:12] <ZenCow> any minute...
[06:12] <pschulz01> juxta: You might get lucky.. predicted landing point due north of you ATM.
[06:12] <juxta> :)
[06:13] <juxta> popped i think
[06:13] <juxta> signal is almost gone
[06:13] <juxta> changing antennas
[06:13] <ZenCow> the antenna was in the balloon itself?
[06:13] <juxta> yeah
[06:13] <ZenCow> heh, I was making a joke, but that's cool :)
[06:13] <andysa2> i still have good signal
[06:14] <ZenCow> haven't seen any new data for a few mins now
[06:15] <ZenCow> popped and vaporized in the atmosphere...;-p
[06:15] <andysa2> just cant get the shift right
[06:15] <jnd> andysa2: you could get regular fldigi
[06:16] <andysa2> yes, but will that upload to the server?
[06:16] <jnd> no but you can save the log
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[06:17] <juxta> got the yagi on
[06:17] <juxta> should get some valid data here
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[06:19] <jnd> got it
[06:19] <pschulz01> pop
[06:19] <jnd> vk5zsn
[06:20] <ZenCow> much faster than 7m/s
[06:20] <ZenCow> that's closer to a 30min descent
[06:20] <pschulz01> Ignore the predictor.. thinks baloon is still going up.
[06:20] <ZenCow> looking at telemetry... -21.3 m/s
[06:20] <pschulz01> 30sec to impact.
[06:21] <natrium42> it just needs a few more descent points
[06:21] <jnd> it should slow down later right?
[06:21] <pschulz01> (guess)
[06:21] <ZenCow> external temp -46
[06:21] <ZenCow> heh
[06:21] <ZenCow> windy and cold
[06:22] <jnd> good test for the sensor
[06:23] <natrium42> descent rate is equivalent to 4.5 m/s near ground
[06:23] <natrium42> so chute is working well
[06:26] <ZenCow> ok, so when it gets lower, the chute can catch more air. that's a good thing.
[06:27] <ZenCow> and that will let it drift further downwind than a linear line from its start of descent.
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[06:27] <ZenCow> it's slowing some
[06:29] <jnd> it took some wormhole :)
[06:29] <natrium42> lol
[06:29] <ZenCow> but the wormhole rejected it and spit it back into our space :)
[06:29] <natrium42> refresh tracker
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[06:32] <ZenCow> ahhh... the lines drawn when following the path show the source of the data. I get it. had to zoom out to see that.
[06:33] <natrium42> :)
[06:33] <natrium42> although it'
[06:33] <natrium42> s getting the tower VK5VZI
[06:33] <natrium42> instead of the car chase-vk5vzi
[06:34] <ZenCow> and draws a line to the car where it is now and not where it was when it got the data
[06:34] <natrium42> yep, not sure what's the best way is...
[06:35] <ZenCow> you should have all the data and maybe even decent timestamps. can match it all up later :)
[06:35] <ZenCow> with a slider for "time" to review the flight
[06:36] <ZenCow> don't get your hood dented by falling objects, guys
[06:39] <ZenCow> if you could properly seal a small container of water, you could bring back ice from space :)
[06:39] <ZenCow> might be too risky for the electronics, tho
[06:40] <natrium42> juxta, see the chute in the sky yet?
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[06:42] <pschulz01> ZenCow: Nothing stopping it being hung below the electronics as a separate payload.
[06:42] <ZenCow> there ya go
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[06:45] <ZenCow> ground elevation around there is about 90 meters
[06:46] <ZenCow> 2400 to go
[06:47] <ZenCow> 1 mile to go ;)
[06:50] <ZenCow> they're using a big electromagnet to draw it to them... nice
[06:50] <natrium42> lol
[06:50] <natrium42> they better have a visual
[06:50] <ZenCow> too bad we don't see them running across the field outside the cars
[06:51] <natrium42> needs more cowbel^Wtrackers
[06:51] <natrium42> wow, look at that precision landing
[06:51] <ZenCow> nice
[06:52] <andysa> got to hand it to the boys.... they have done a superb job
[06:52] <ZenCow> definitely
[06:52] <natrium42> yeah, great launch, juxta !
[06:53] <natrium42> now we'll see them carry it into the car
[06:53] <ZenCow> didn't expect I was going to spend my evening watching something like this, but glad I ran across the site earlier today :)
[06:53] <natrium42> :)
[06:54] <natrium42> launches are fun
[06:54] <pschulz01> big magnet
[06:54] <natrium42> blue and red, standard magnet pole colours
[06:54] <andysa> I havent been following the progress, cause I was tracking... but it got to about 32000?
[06:55] <natrium42> North
[06:55] <natrium42> Pole Red and the South Pole Blue
[06:55] <natrium42> andysa, 32805 m according to tracker
[06:56] <ZenCow> the last reading on the site before it went quite a while was 32,887m
[06:56] <natrium42> not sure if it's recorder onboard
[06:56] <natrium42> *recorded
[06:56] <natrium42> oh, ZenCow is right
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[06:56] <ZenCow> er... "quiet", not "quite"
[06:57] <andysa> well, I guess thats it...
[06:57] <andysa> looks like its down
[06:57] <natrium42> temperature is rising
[06:57] <pschulz01> Well done guys!
[06:57] <andysa> applause
[06:57] <ZenCow> hope they brought gloves :)
[06:58] <ZenCow> heh, yeah... hoots and hollers from California (still Wed night)
[07:01] <ZenCow> congrats to all involved! looking forward to pics and video being posted!
[07:02] <natrium42> was a camera on board?
[07:03] <ZenCow> oh, maybe not
[07:03] <ZenCow> I didn't read up much on the project :)
[07:04] <ZenCow> just the telemetry electronics and temp sensors
[07:04] <pschulz01> No camera this time round.
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[07:05] <andysa> not this time
[07:06] <natrium42> lol, they are carrying the payload into the car
[07:06] <natrium42> live tracking ftw
[07:07] <ZenCow> :)
[07:07] <andysa> They are lucky it landed so close to the road
[07:08] <ZenCow> was there any on-board data logging? or just telemetry data over radio?
[07:08] <andysa> I dont know
[07:08] <andysa> I believe the main aim of the flight was to test different baud rates at different altitudes
[07:09] <pschulz01> andysa: so how did it go?
[07:09] <ZenCow> yeah, I'm reading about the flight of Horus 2
[07:09] <andysa> I received it successfully up to 150 baud
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[07:10] <andysa> at about 20km, the modulation started to drift and I couldnt successfully decode any longer
[07:10] <juxta> landed!
[07:10] <andysa> Congratulations
[07:10] <natrium42> hey juxta, great launch!
[07:10] <natrium42> did you see it land?
[07:10] <andysa> it was a lot of fun
[07:10] <juxta> saw it land, was about 30 seconds from being able to catch it
[07:10] <natrium42> haha, nice
[07:11] <andysa> you were lucky it landed so close to the road
[07:13] <andysa> when is the next one guys?
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[07:15] <andysa> I have a couple of people who have been watching the progress, who are so inspired that they would be interested in tracking the next one
[07:17] <juxta> andysa: excellent!
[07:17] <ZenCow> I'd love to do this sort of thing with telemetry, but with robots. At least your project has a more reasonably attainable goal... ;)
[07:17] <juxta> next one should be soon :)
[07:18] <juxta> got some photos of me running to catch it as it came down
[07:18] <andysa> We will look forward to seeing them on the Horus website.
[07:18] <juxta> time to pack up and head home
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[07:19] <andysa> Cheers guys...
[07:19] <ZenCow> Congrats again from California.
[07:19] <ZenCow> doh
[07:19] <andysa> just missed him ZenCow
[07:19] <ZenCow> I noticed that
[07:19] <andysa> Im out of here... bye for now
[07:20] <natrium42> bye andysa
[07:20] <ZenCow> nite all... me too. thanks for the entertaining evening!
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[07:37] <jonsowman> morning all
[07:37] <jonsowman> people having issues with the predictor last night?
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[07:41] <natrium42> jonsowman, that was for the predictor on the tracker
[07:41] <jonsowman> oh right ok :)
[07:42] <fsphil> looks like it was a great flight
[07:45] <jonsowman> http://balloon.hexoc.com/gallery/apex-ii/index.php/Software/untitled89
[07:45] <jonsowman> heh 300 baud looks weird
[07:46] <fsphil> yea, sounds weird too -- like a scratching
[07:47] <earthshine> morning
[07:53] <fsphil> morning earthshine
[08:03] <earthshine> what's new ?
[08:14] <fsphil> not too much here. wish I'd stayed up for juxta's flight
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[08:40] <earthshine> Yeah I missed that one too
[08:40] <earthshine> Didn't even know he was doing a flight - can't remember seeign an announcement on the mailing list
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[08:45] <fsphil> there wasn't, now that you mention it
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[08:55] <earthshine> hmmm
[08:55] <earthshine> wonder why not
[08:56] <fsphil> probably just forgot, we forgot ourselves the last time though I think jcoxon might have posted something about it
[08:57] <earthshine> I see
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[09:14] <fsphil> ah, wasn't on the wiki either
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[09:30] <rharrison_> morning all
[09:35] <fsphil> morning rharrison_
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[09:40] <rharrison_> morning fsphil
[09:41] <rharrison_> Just cot my full licence Radio
[09:41] <rharrison_> M0RJX
[09:42] <earthshine> congratz rharrison_
[09:42] <rharrison_> Thanks
[09:44] <fsphil> congratulations! how was the test?
[10:00] <rharrison_> Not too bad
[10:00] <rharrison_> Bit more work than I thought it would be but I quite enjoyed it
[10:00] <rharrison_> Learnt a bit along the way
[10:09] <fsphil> so you can now operate abroad and at full power
[11:12] <fsphil> rharrison_, got the car adapter for the ft817 -- works really well. good filtering, though no over-voltage protection but I'm not sure I need it
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[11:22] <jcoxon> morning all
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[11:26] <jcoxon> ooo glad to see the flight was a success
[11:26] <fsphil> aye! looked like a good one
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[11:26] <jcoxon> i stayed up til 4.30
[11:26] <jcoxon> couldn't stay up any longer
[11:27] <fsphil> you did better than me! I set my alarm for 3am but it didn't budge me
[11:27] <russss> heh
[11:29] Action: jcoxon consults BH5 list of things to do
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[11:36] <m1x10> hello mates
[11:44] <m1x10> my SM5100B GSM module seems to suck a bit
[11:44] <m1x10> got it from sparkfun
[11:45] <m1x10> it stops respoding at any time it wants
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[11:55] <Satman04> Hello
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[12:00] <fsphil> I had the same problem with a big gsm modem, never did figure out what I'd done wrong - it broke a few months ago
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[12:50] <rharrison_> jcoxon, M0RJX
[12:50] <rharrison_> Seemed the best option in the end
[12:51] <rharrison_> BTW I happend to watch a couple of hours of the launch this morning
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[12:52] <m1x10> fsphil, can you tell me the model?
[12:52] <jcoxon> rharrison_, yeah that sounds good
[12:52] <m1x10> I got disconnected.
[12:53] <fsphil> not of the top of my head, but it was huge. a proper modem rather than a module
[12:53] juxta (fourtytwo@ppp203-122-193-94.static.internode.on.net) joined #highaltitude.
[12:53] <fsphil> we got it to send order updates via sms, but it never worked well
[12:53] <rharrison_> Talk of the devil
[12:53] <rharrison_> Hey juxta congrats
[12:54] <rharrison_> any interesting events / pics?
[12:54] <juxta> hey rharrison_
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[12:54] <m1x10> fsphil, check mine: http://www.sparkfun.com/commerce/product_info.php?products_id=9533
[12:54] <juxta> yup - we got an excellent view of it coming down!
[12:54] <rharrison_> Well done
[12:54] <rharrison_> Any video
[12:54] <rharrison_> or pics
[12:54] <juxta> pics yes, not sure on video, looking now
[12:54] <rharrison_> most cool
[12:55] <juxta> I think my buddy had a hard time with the movie mode on the dslr and the bright sun
[12:55] <juxta> as you can't use the viewfinder in movie mode, only the LCD
[12:55] <jcoxon> bbl
[12:55] <fsphil> m1x10, it's a lovely little module. have you tried slowing down the communications a bit? maybe you're sending data too fast for it
[12:56] <m1x10> It comes preconfigured from sparkfun to 9600 baud.
[12:56] <juxta> hmm, memory card not reading on this pc. let me try the laptop
[12:56] <m1x10> Im able to send and receive AT command/responses
[12:56] <m1x10> I even sent an SMS
[12:56] <m1x10> but
[12:57] <m1x10> It stops responding
[12:57] <m1x10> at any time it likes
[12:58] <rharrison_> juxta, any pics up?
[12:59] <fsphil> m1x10, what voltage are you supplying it?
[12:59] <juxta> just copying the data off the cards now rharrison_ - big day, 500km of driving, just got back home :)
[13:01] <m1x10> fsphil, i bought it with its arduino shield. In fact I bought this: http://www.sparkfun.com/commerce/product_info.php?products_id=9607
[13:02] <m1x10> I plug power in the arduino and the GSM simplt powers on. All electrical regulating things are done propably on the shield
[13:02] <m1x10> rebooting..plz wait
[13:02] <fsphil> if you look at the datasheet on page 9, it mentions the current consumption can peak at 2A for short times
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[13:06] <rharrison_> juxta did you get much misting
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[13:07] <rharrison_> Or more importantly did you blast past it
[13:07] <m1x10> fsphil, did you say something?
[13:07] <fsphil> <fsphil> if you look at the datasheet on page 9, it mentions the current consumption can peak at 2A for short times
[13:07] <m1x10> oh wait
[13:08] <fsphil> your voltage might be dropping for those moments
[13:08] <jonsowman_work> DanielRichman ping
[13:08] <m1x10> --> GSM850/900mode During TX bursts 2 A
[13:08] <m1x10> this?
[13:09] <fsphil> yea
[13:09] <rharrison_> juxta, 32887m max?
[13:09] <juxta> hey rharrison_ - yeah I think around that
[13:09] <m1x10> but when does it have TX bursts?
[13:09] <juxta> perhaps a little higher, will check the SD log
[13:09] <juxta> but no cameras onboard
[13:09] <m1x10> on just sending AT responses?
[13:10] <fsphil> when TX'ing, every 4.615ms
[13:11] <SpeedEvil> m1x10: at psuedo-random intervals when on
[13:11] <SpeedEvil> m1x10: including when apparantly doing nothing - for example logging into network or changing cell
[13:11] <fsphil> can the arduino be powered directly, instead of over usb?
[13:11] <m1x10> yes
[13:12] <m1x10> this morning I got a 1500mA AC-DC wall adapter
[13:12] <fsphil> usb can only supply 500mA, might be worth trying the wall adapter
[13:12] <m1x10> and now I have it on arduino
[13:12] <fsphil> aah you already have
[13:12] <m1x10> yes, I got it some hours ago
[13:13] <m1x10> 14euros
[13:15] <juxta> rharrison_: http://bogaurd.net/landing/IMG_0933.jpg
[13:15] <juxta> there I am running for it
[13:15] <rharrison_> Hehe
[13:16] <rharrison_> Everyone happering your server
[13:16] <rharrison_> hammering
[13:16] <fsphil> :)
[13:16] <fsphil> is that the first picture of a payload descending?
[13:16] <juxta> haha
[13:17] <rharrison_> juxta did you catch it
[13:17] <rharrison_> That has nerver been done to my knowledge
[13:17] <juxta> nearly, hehe
[13:18] <juxta> it didn't occur to me to try to until we'd stood there for a minute or two
[13:18] <rharrison_> How close
[13:18] <rharrison_> How fast more to the point
[13:18] <juxta> perhaps 30-50m I guess
[13:18] <SpeedEvil> juxta: neat - looking at the tracker - seems you had track all the way down?
[13:18] <juxta> SpeedEvil: yup, we did
[13:18] <SpeedEvil> :)
[13:19] <juxta> dynamic predictor was awesome!
[13:19] <juxta> massive thanks to natrium42 for getting it going
[13:19] <fsphil> ooh is the chase car showing up on the tracker now?
[13:19] <juxta> fsphil: they're both there, at the landing site on the tracker
[13:20] <fsphil> that's brilliant!
[13:20] <SpeedEvil> Including being able to toggle chasecar paths
[13:20] <SpeedEvil> shiny
[13:21] <juxta> our cars just post their positions to the tracker every 10 seconds
[13:21] <fsphil> that's got to be really handy for chasing
[13:21] <rharrison_> juxta, do you post alt?
[13:22] <juxta> rharrison_: not for cars
[13:22] <griffonbot> @TWGeary: follow @brendengeary Launching a camera to 100,000 feet today Check out www.BrendenGeary.com for pics later today #ARHAB #GPSL [http://twitter.com/TWGeary/status/18030278381]
[13:22] <rharrison_> Do you have the info to hand
[13:22] <rharrison_> It causes problems with the paths on gearth
[13:22] <rharrison_> we need to either pass alt or set it at say 500m
[13:22] <juxta> ah
[13:22] <juxta> right, didn't realise
[13:23] <rharrison_> gearth = google earth
[13:23] <juxta> I'll pass alt next time
[13:23] <rharrison_> Not sure of it's implemented to be honnest
[13:23] <rharrison_> Prob need to check with nat
[13:23] <m1x10> fsphil, well the GSM module now seems to respond ok. The power jack of the wall adapter was not put firmly in the arduino.
[13:23] <juxta> I think it should work, I pass the data as basically a big GET query, alt is one of the parameters, I just pass 0 at the moment
[13:24] <juxta> lightroom is frustratingly slow dealing with 18mp RAW's
[13:29] <m1x10> So, if my arduino with GSM module sucks 1500mA for example, a 1500mAh battery will last 1 hour ?
[13:30] <juxta> m1x10: yes
[13:30] <m1x10> juxta thx
[13:30] <juxta> assuming the battery delivers 100% of its capacity at that current draw
[13:30] <juxta> (in the real world it would struggle with such a high discharge likely)
[13:30] <m1x10> sure
[13:31] <m1x10> so If I want the module to be alive for 3 hours
[13:31] <m1x10> what kind of lithium batteries I have to get?
[13:31] <juxta> you should be fine, likely the draw will be 100mA - 200mA
[13:32] <m1x10> juxta, when GSM modulke was drawing power from usb it was malfunctioning
[13:32] <SpeedEvil> What are you doing withthe module?
[13:33] <m1x10> GSM based APRS
[13:33] <SpeedEvil> If it's 'idle' - expect average of 5mA or so
[13:33] <SpeedEvil> how much data are you transmitting?
[13:33] <m1x10> few
[13:33] <juxta> m1x10: I see - I don't know the power consumption of the GSM module. I was guessing average consumption.
[13:33] <SpeedEvil> http://wiki.maemo.org/N900_Hardware_Power_Consumption
[13:33] <SpeedEvil> has notes ona GSM connection
[13:33] <SpeedEvil> this will not be hugely far off
[13:34] <m1x10> I speak with GPS module every 1 minute, I get its GGA-altitude. If its <3000 meters I send SMS
[13:34] <SpeedEvil> Under '2g data'
[13:34] <SpeedEvil> ah - then it's mostly idle
[13:34] <m1x10> yes
[13:34] <SpeedEvil> so around 5-10mA is reasonable
[13:35] <SpeedEvil> you know you might not get lock on the way down if unlucky?
[13:35] <m1x10> I also have the ATmega sleep all this time with some low level register instructions
[13:35] <juxta> watching the payload come down was cool - it came down nice and slow
[13:35] <juxta> I was actually surprised at how slowly it came down
[13:36] <m1x10> SpeedEvil, seems that GSM module needs more than usb can deliver
[13:36] <m1x10> more power*
[13:36] <m1x10> its cant be 5-10mA
[13:36] <m1x10> I now have with wall adapter to make it work stable
[13:37] <m1x10> with usb it gets paranoid :)
[13:37] <m1x10> so I assume its drawing much more that the 500mA of the USB
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[13:42] <SpeedEvil> in peaks
[13:42] <SpeedEvil> the average is 10mA or so
[13:43] <SpeedEvil> under 10mA
[13:43] <m1x10> you mean peak, when its almost doing nothing?
[13:43] <SpeedEvil> yes
[13:44] <m1x10> oh ok.
[13:44] <SpeedEvil> It's registering to the network
[13:44] <SpeedEvil> which takes several bursts of some milliseconds each at 1.5A or so
[13:44] <m1x10> hmm
[13:44] <m1x10> Agree
[13:44] <m1x10> never though of this
[13:47] <m1x10> maybe that was the reason it couldnt get connected
[13:47] <m1x10> now its gets registered to a cell quite fast !
[13:48] <m1x10> maybe I should return the wall adapter with one at 2000mA
[13:54] <juxta> ping jcoxon
[13:57] <fsphil> I wonder if that was the cause of our gsm modem problems, too weak a power supply
[13:58] <fsphil> or just a bad psu
[13:58] <fsphil> have had plenty of those
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[13:59] <m1x10> fsphil, dont know about yours. But with the wall adapter I solved all my problems
[14:00] <m1x10> except that it was not responding, it couldn't also connect to a cell
[14:00] <m1x10> now I get clean responses and fast network registration
[14:00] <m1x10> in 5 secs its connected
[14:00] <fsphil> yea, looks like the usb power just wasn't able to handle the short bursts of current
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[14:01] <m1x10> Sure. I just didnt know that usb delivers only 500mA.
[14:01] <fsphil> your battery should be able to handle it better
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[14:05] <fsphil> a capacitor to smooth the bumps might help too
[14:07] <SpeedEvil> a large one, yes
[14:08] <russss> you can't go wrong with a big-ass capacitor
[14:08] <russss> that's my motto
[14:08] <m1x10> Im gone. going to change the adapter with some at 2000mA
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[14:15] <jcoxon> juxta, yup
[14:16] <juxta> hey jcoxon
[14:16] <jcoxon> you pinged
[14:16] <juxta> massive thanks for your help today :)
[14:16] <jcoxon> no problem
[14:16] <juxta> we managed to watch the payload coming down
[14:17] <juxta> all went very nicely
[14:17] <jcoxon> oh great
[14:17] <jcoxon> very cool
[14:17] <juxta> pics here: http://projecthorus.org/?p=971
[14:18] <jcoxon> amazing!
[14:18] <juxta> :D
[14:28] <fsphil> looks like you had great weather.. it almost looks warm :)
[14:29] <juxta> yeah, it was nice
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[14:59] <jsowman_work> so he is
[15:00] <jsowman_work> ping jcoxon
[15:00] <jcoxon> helo jsowman_work
[15:00] <jcoxon> hello*
[15:00] <jsowman_work> hiya
[15:00] <jsowman_work> any chance you could whack our XML on the tracker?
[15:00] <jcoxon> yup
[15:00] <jcoxon> link?
[15:00] <jsowman_work> http://github.com/mattbrejza/APEX/blob/master/XML/apex.xml
[15:02] <jcoxon> done
[15:02] <jsowman_work> thank you :)
[15:02] <jsowman_work> there are sample strings in view.php?reg=/APEX/
[15:03] <jsowman_work> some of the fields are empty at the moment but will be filled soon
[15:05] <jcoxon> done
[15:05] <jcoxon> it works
[15:05] <jcoxon> one small change
[15:06] <jcoxon> increased the size of the lat and longitude fields to 12 to accomadate it
[15:06] <jcoxon> and reduce the number of fields to 18
[15:06] <jsowman_work> ok thank you
[15:06] <jsowman_work> will sort that out in the git version later
[15:06] <jcoxon> http://www.robertharrison.org/listen/apex.xml
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[15:12] <m1x10> back with an 2250mA wall adapter :)
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[15:44] <jnd> how long is usually the PPS output?
[15:45] <gonzo_> gps 1pps?
[15:45] <gonzo_> Usually vert short. in units of uS
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[15:48] <jnd> too bad I don't have scope
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[15:49] Nick change: cuddykid_ -> cuddykid
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[16:02] <jonsowman_work_> jcoxon: what do I need to change to make temps and sats to show up on the tracker, like Horus?
[16:02] Nick change: jonsowman_work_ -> jonsowman_work
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[16:12] <cuddykid> what does everyone use to cover up the hole for the camera lens? I've read about using a UV filter but can it just be a clear sheet of plastic (or the likes)?
[16:12] <jcoxon> jonsowman, magic
[16:12] <jcoxon> or a chat with natrium
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[16:16] <cuddykid> jcoxon, what do you use for covering the hole for the camera lens? Just about to pop to shops so would be able to grab something to cover the hole!
[16:26] <fsphil> I'm not jcoxon, but we didn't use anything and the pictures came out ok
[16:27] <juxta> I *did* use UV filters, and my pictures came out misty as anything :)
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[16:29] <russss> yeah I think there's some consensus that *not* using a filter reduces the risk of misting/icing
[16:29] <juxta> seems like the way to go for next time
[16:30] <russss> the other interesting alternative would be to have a slightly more sealed payload and purge it with helium before launch
[16:30] <russss> but less complicated = better.
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[16:58] <cuddykid> ok, thanks guys :)
[16:58] <jnd> wouldn't heating the filter help?
[16:59] <russss> <russss> but less complicated = better.
[16:59] <russss> ;)
[16:59] <russss> the only reason you'd want a filter is to maintain internal temperature
[16:59] <russss> but it seems like a) temperature doesn't matter that much, and b) cameras seem to keep themselves quite nicely warm anyway if they're taking photos.
[17:00] <jcoxon> i'd avoid a lens filter but instead chose a camera with good optics
[17:00] <jcoxon> well at least a fliter that covers the whole hole
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[18:40] <junderwood> HelioSS found!!!!!
[18:40] <DanielRichman> :O
[18:40] <junderwood> Will collect from the farmer tomorrow
[18:43] <DanielRichman> and then you'll tell us what broke :P
[18:43] <DanielRichman> jonsowman: pong (?)
[18:45] <LazyLeopard> Excellent!
[18:54] <junderwood> DanielRichman, if I can confirm my suspicions. Yes
[18:54] <DanielRichman> what do you think it was?
[18:54] <junderwood> Although I suspect slightly more may be broken due to interaction with the vehicle which found it :)
[18:55] <DanielRichman> :(
[19:00] <fsphil> oh wow, sorta good news ;)
[19:03] <junderwood> As long as the uSD card aren't trashed I don't really care
[19:04] <LazyLeopard> Chewed by a combine harvester?
[19:04] <junderwood> No. Quad bike
[19:05] <junderwood> (checking it was ready for the combine)
[19:05] <LazyLeopard> Ah. Funny how payloads seem to like landing on tracks...
[19:06] <junderwood> Rather a track than a major road
[19:06] <LazyLeopard> Indeed. :)
[19:06] <LazyLeopard> Recovery options aren't good if the landing's on, say, the M1...
[19:09] <m1x10> junderwood, congrats. I can't wait for some near-space pictures :)
[19:09] <junderwood> mee too
[19:10] <m1x10> when are you going to get it?
[19:11] <junderwood> tomorrow evening
[19:12] <m1x10> :):)
[19:12] <m1x10> I wont be at home this weekend but I will come from an internet cafe tommorow
[19:12] <m1x10> to check the pics
[19:12] <m1x10> :)
[19:13] <m1x10> will you them ready until tomorrow night?
[19:13] <m1x10> have them*
[19:14] <m1x10> fsphil, have you ever faced an GSM error saying that you need to insert PUK in order to proceed a command?
[19:14] <m1x10> +CMS ERROR: 313 + CMS ERROR: SIM PUK required
[19:14] <m1x10> I get this when Im sending an sms
[19:15] <m1x10> I put the SIM card in my mobile and it works ok
[19:16] <junderwood> m1x10, busy weekend. Not sure whether I'll get chance to post pics (assuming there are some!)
[19:16] <m1x10> plz dont be pessimistic !!
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[19:42] <fsphil> m1x10, afraid not - that's new to me
[19:45] <Randomskk> what happened to griffonbot D:
[19:47] <DanielRichman> wazn't me
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[19:48] <DanielRichman> eh what
[19:48] <DanielRichman> it just disappearede
[19:48] <Randomskk> yea
[19:48] <Randomskk> start it D:
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[19:49] Action: griffonbot is GriffonBot [http://github.com/ssb/griffonbot]
[19:49] Action: griffonbot is following: #ukhas #arhab #cusf
[19:49] <DanielRichman> the latest version has detailed logging but the current "stable" (if you can call it that) didn't
[19:49] <DanielRichman> but even the bash process that was its parent disappeared
[19:49] <Randomskk> :/
[19:49] <DanielRichman> the screen window in which it was just vanished
[19:49] <Randomskk> cleric's still got 20 days uptime
[19:50] <DanielRichman> mmm
[19:50] <DanielRichman> what does cleric do apart from griffonbot?
[19:51] <Randomskk> hmm
[19:51] <Randomskk> nothing
[19:51] <DanielRichman> eeeh
[19:52] Action: DanielRichman spots an exim process
[19:53] <Randomskk> exim is just for sending mail
[19:53] <Randomskk> it is exim lightweight
[19:53] <DanielRichman> right. If cleric is just sitting there doing nothing you're free to shut it down; we can move griffonbot
[19:53] <Randomskk> as it happens I am about to start up a different irc bot on it for another channel
[19:54] <DanielRichman> ahh fair enough
[19:58] <m1x10> bb all
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[20:07] Action: DanielRichman enables screen's zombie mode
[20:07] <Randomskk> it has a zombie mode?
[20:07] <DanielRichman> it's the very last one in man screen
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[20:08] <DanielRichman> keeps the windows alive even if the program inside exits
[20:08] <DanielRichman> so you can see the output still
[20:09] <Randomskk> why not just
[20:09] <Randomskk> screen
[20:09] <Randomskk> then
[20:09] <Randomskk> oh, right
[20:09] <Randomskk> bash quit
[20:09] <DanielRichman> there's a way you can modify screen's config while it's running
[20:09] <DanielRichman> C-a : I think
[20:09] <DanielRichman> haaaa it works
[20:10] <DanielRichman> that's going in my .screenrc
[20:10] <DanielRichman> although it is worthwhile to note that you need to disable the clear command in bash_logout
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[22:16] <fsphil> Hmm.. for some reason my code is saying: s = 0xDA + (0x00 << 8) == 0x03E0
[22:16] <fsphil> yet if I run the same calculation twice it gets the right answer both times
[22:18] <Randomskk> huh
[22:18] <DanielRichman> eeeh?
[22:19] <Randomskk> I haven't actually thought about that yet
[22:19] <DanielRichman> 0xDA + (0x00 << 8) == .... 0xDA?
[22:19] <Randomskk> depends
[22:19] <fsphil> in the real world, yea :)
[22:19] <Randomskk> depends on a lot of subtle things
[22:20] <Randomskk> at least it's consistent fsphil
[22:20] <DanielRichman> :D
[22:20] <fsphil> that's true, it's always wrong :)
[22:20] <DanielRichman> bug is elsewhere in the code?
[22:20] <DanielRichman> try replacing that line simply with s = 0xDA and see what it says
[22:21] <fsphil> I've got an interrupt doing rtty, I thought maybe there was some issue between them but I've removed all that now
[22:21] <Randomskk> in C locally it says DA
[22:22] <Randomskk> as you'd expect really
[22:22] <DanielRichman> Randomskk: I saw that bot on your github. The omegle script is evil
[22:22] <Randomskk> oh yes.
[22:22] <Randomskk> it's a /lot/ of fun
[22:22] <DanielRichman> I got really boring ones :X
[22:22] <Randomskk> :(
[22:22] <Randomskk> it was better when omegle was new I think
[22:22] <Randomskk> haven't used it in a while
[22:23] <DanielRichman> yeah
[22:23] <fsphil> s = 0xDA gives the right answer, yay :)
[22:23] <Randomskk> I made the first prototype of that way back when
[22:23] <DanielRichman> they've added captchas if you do it too much I think
[22:23] <Randomskk> aww.
[22:23] <DanielRichman> oh now that's not good.
[22:23] <Randomskk> http://ask.metafilter.com/158740/You-were-doing-it-wrong
[22:24] <DanielRichman> if s = 0xDA results in 0xDA, and s = 0xDA (0x00 << 8) results in something different I am confused
[22:24] <DanielRichman> * +
[22:24] <fsphil> ok, I've simplified it above - the values are coming from an array
[22:25] <Randomskk> yea, so your error almost certainly lies elsewhere
[22:25] <DanielRichman> Surely gcc would have optimised s = 0xDA + (0x00 << 8); to s = 0xDA; anyway
[22:25] <Randomskk> only if it was in fact that code, rather than variables being called in from elsewhere
[22:25] <Randomskk> check out that ask mifi thread, it's fantastic :D
[22:25] <fsphil> rxbuf[2] == 0xDA
[22:25] <fsphil> rxbuf[3] == 0x00
[22:25] <Randomskk> can I see the code?
[22:25] <fsphil> s = rxbuf[2] + (rxbuf[3] << 8) + 6
[22:26] <fsphil> the answer to that is s == 0x3E0
[22:26] <fsphil> it should be 0xE0
[22:26] <Randomskk> uhm
[22:26] <fsphil> I don't know where the 3 is coming from
[22:26] <Randomskk> 21:25:36 <fsphil> rxbuf[2] == 0xDA
[22:26] <Randomskk> is that assignment or
[22:27] <Randomskk> could I see the actual code? :P
[22:27] <fsphil> hold on
[22:28] <fsphil> http://github.com/fsphil/hadie/blob/master/c328.c
[22:28] <fsphil> the c3_get_package() function
[22:28] <Randomskk> fwiw http://github.com/fsphil/hadie/blob/master/c328.c#L180
[22:29] <fsphil> that's the line
[22:29] <Randomskk> click the line numbers
[22:29] <fsphil> ah cute
[22:29] <fsphil> I love github
[22:29] <fsphil> the rxbuf should point to what the camera is returning
[22:30] <fsphil> the first two bytes are the package number, the next two which I'm trying to read are the package size
[22:30] <fsphil> after the function fails, I have code to dump the buffer out over rtty
[22:30] <fsphil> and the values are fune
[22:30] <fsphil> fine too
[22:31] <Randomskk> what
[22:31] <Randomskk> so you want the second two bytes?
[22:31] <fsphil> yea
[22:32] <fsphil> I have to read the package size as it's not guaranteed to be what was requested
[22:32] <Randomskk> your line 175 could really do with being separated a bit, it's really confusing as to what a) is happening b) you intend to happen
[22:33] <Randomskk> UDR0 is being stored in rxbuf[rxbuf_len], rxbuf is being incremented, and then what value is being added to checksum? if you separate it it's much clearer
[22:33] <Randomskk> not that it's directly related to this more pressing issue
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[22:33] <Randomskk> so you dump rxbuf and its third and fourth bytes are DA and 00?
[22:33] <Randomskk> (brb)
[22:34] <fsphil> yes, the first 8 bytes in rxbuf are: 00 00 DA 00 FF D8 FF E0
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[22:35] <fsphil> brb2, weremutts bed time
[22:35] <DanielRichman> if rxbuff_len == 4 does that mean that the last byte written was rxbuf[3] or rxbuf[4]? (I think it's the former?)
[22:36] <SpeedEvil> 0 would normally start
[22:37] <SpeedEvil> so 0-3 is 4 elements
[22:37] <DanielRichman> with specific reference to fsphil's code, SpeedEvil
[22:37] <Randomskk> yea but rxbuf is being incremented after stuff
[22:37] <DanielRichman> checksum += rxbuf[rxbuf_len++] = UDR0;
[22:37] <Randomskk> 175 is a really confusing line
[22:37] <fsphil> back
[22:38] <Randomskk> you know what else is terrible though, hard tabulators
[22:38] <DanielRichman> iirc rxbuf_len++ increments it yet returns the old value?
[22:38] <Randomskk> yes
[22:38] <SpeedEvil> sorry
[22:38] <DanielRichman> hmm I accidentally pasted some tabs, didn't i?
[22:38] <Randomskk> vs ++rxbuf_len which increments and then returns
[22:38] <DanielRichman> d/w SpeedEvil you had a untimely /join which placed the question out of context :)
[22:38] <fsphil> DanielRichman, I was wondering that too so I have it reading 10 bytes here - no diff
[22:39] Action: fsphil was quite proud of 175 ;-) but point taken, will fix that
[22:39] <Randomskk> thing is, rxbuf[rxbuf_len++] is kind of evaluated twice
[22:39] <DanielRichman> well I originally wondered whether rxbuf[3] was written when the if block is executed
[22:39] <DanielRichman> fsphil: you won't have achieved more or less optimisation by splitting it up providing the new split up lines are in close proximity
[22:40] <SpeedEvil> I should fix my interents.
[22:40] <DanielRichman> neh your internets should fix themselves. I find that threatening the internets w. a hammer works well
[22:40] <SpeedEvil> :/
[22:40] <DanielRichman> or go find a screen+irssi host
[22:40] <SpeedEvil> I have a bouncer host
[22:40] <SpeedEvil> I need to set it up
[22:41] <DanielRichman> tastey
[22:41] <DanielRichman> GCC is pretty cleveh
[22:42] <Randomskk> okay so "checksum += rxbuf[rxbuf_len++] = URD0" does do what you might think
[22:43] <Randomskk> namely, after executing that line, rxbuf_len has gone up by one, checksum has been incremented by URD0, and rxbuf at the previous value of rxbuf_len is also now equal to URD0
[22:43] <fsphil> yes
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[22:44] <Randomskk> so then I maintain that rxbuf probably doesn't contain what you expect or something
[22:44] <fsphil> if I remove the package size check, the function works as normal -- the checksum is correct
[22:44] <Randomskk> what are you actually trying to work out here
[22:44] <Randomskk> with that line 180
[22:45] <Randomskk> are you trying to combine rxbuf[2] and rxbuf[3] into one two-byte value?
[22:45] <fsphil> yes, it's the number of bytes in the package payload
[22:45] <fsphil> + 6 for the package overhead
[22:45] <Randomskk> usually, | is used for that purpose
[22:45] <Randomskk> as in
[22:45] <Randomskk> s = (rxbuf[3] << 8) | rxbuf[2];
[22:45] <Randomskk> s += 6;
[22:46] <Randomskk> however
[22:46] <Randomskk> rxbuf is a uint8
[22:46] <Randomskk> s = ((uint16_t)rxbuf[3] << 8) | rxbuf[2]; might be needed
[22:47] <fsphil> trying that now
[22:47] <fsphil> casting hasn't helped
[22:48] <Randomskk> and also the ORing?
[22:48] <DanielRichman> see if you can grab the value of rxbuf[2], rxbuf[3] and s just after that line is executed
[22:48] <Randomskk> yea
[22:48] <DanielRichman> Idunno, save them to globals or something hacky
[22:48] <fsphil> s = (uint16_t) rxbuf[2] | ((uint16_t) rxbuf[3] << 8);
[22:48] Nick change: boreger__ -> Hiena
[22:48] <fsphil> globals it is
[22:49] <DanielRichman> I don't think casting is necessary
[22:49] <Randomskk> fsphil: careful with brackets there
[22:49] <DanielRichman> also if UDR0 is volatile maybe the crazy line causes two accesses to it?
[22:49] <fsphil> I've removed the crazy :)
[22:49] <Randomskk> you could be <<8ing the ORd combination
[22:49] <Randomskk> wait, no
[22:49] <Randomskk> I just can't read brackets
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[22:50] <DanielRichman> Personally I'd: ((uint16_t) rxbuf[2]) | (((uint16_t) rxbuf[3]) << 8);
[22:50] <DanielRichman> you can never have enough brakketz
[22:50] <Randomskk> certainly no need to cast the first part, but quite possibly not the second
[22:51] <DanielRichman> I think gcc is clever enough to do byte1 | (byte2 << 8) correctly
[22:51] <DanielRichman> on an 8bit micro I think it will even do it without a shift; will just save the second byte straight into the MSB of the uint16
[22:52] <RocketBoy> I'm trying to make fltk (in preparation for building dl-fldigi) - but the make ends in error - when compiling filename_list.cxx (but actually after quite a few warnings for other files) - any clues?
[22:52] <fsphil> ok, I'm putting rxbuf[2] and rxbuf[3] into globals ... the rest of the code is unchanged
[22:52] <DanielRichman> RocketBoy: host & target O/S?
[22:52] <fsphil> t1 = 0xDA and t2 = 0x00
[22:53] <DanielRichman> and s
[22:53] <DanielRichman> fsphil: grab the value of s too
[22:53] <fsphil> but s = 736 (0x2E0)
[22:53] <fsphil> the lower 8 bits are ok
[22:53] <fsphil> the 3 is now a two
[22:54] <DanielRichman> are you appreciating endianness when dumping the values?
[22:55] <fsphil> snprintf(msg, 100, "$$" CALLSIGN ",Get package %i failed, had %i bytes: %02X %02X\n", pkg_id - 1, pkg_len, t1, t2);
[22:55] <fsphil> is how I'm dumping it
[22:55] <RocketBoy> DanielRichman: ubuntu 9.10 - its a AMD processor - standard PC stuff
[22:55] <DanielRichman> You're compiling on ubuntu 9.10 and you intend to run the result on ubuntu 9.10?
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[22:56] <RocketBoy> DanielRichman: yes
[22:56] <DanielRichman> ok stuff the fltk compile and # apt-get build-dep fldigi
[22:57] <DanielRichman> http://ukhas.org.uk/projects:dl-fldigi:build-ubuntu
[22:57] <RocketBoy> DanielRichman: most of the wanings are like this - warning: suggest parentheses around ‘&&’ within ‘||’
[22:57] <DanielRichman> RocketBoy: fltk is a mess, I wouldn't be suprised
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[23:03] <RocketBoy> DanielRichman: thanks - I din't know there were instructions on the wiki - i'll give them a go
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[23:05] <RocketBoy> DanielRichman: but tomorrow night now
[23:05] <RocketBoy> nights
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[23:12] <fsphil> this is getting stranger
[23:13] <fsphil> s = (t1 = rxbuf[2]) | ((t2 = rxbuf[3]) << 8);
[23:13] <fsphil> s += 6;
[23:14] <fsphil> answer s = 0x2E0
[23:14] <fsphil> t1 = 0xDA, and t2 = 0x00
[23:20] JamesLeeds (~chatzilla@5ad6baad.bb.sky.com) joined #highaltitude.
[23:22] <ms7821> fsphil: sure that's s you're printfing?
[23:23] <fsphil> yea, after calculating s it compares it against what it expected, and that is failing
[23:23] <fsphil> s definitely contains the wrong answer
[23:24] <fsphil> it seems to be rxbuf[3]
[23:24] <fsphil> that is returning the wrong answer, but only sometimes
[23:25] <fsphil> all I can think of is that it's some kind of compiler bug, or something external to that function is messing about with the values
[23:26] <ms7821> what compiler? can you view the assembler output?
[23:26] <fsphil> avr-gcc
[23:26] <fsphil> I don't have a disassembler .. well I don't think I do, hold on
[23:29] <Randomskk> -s to gcc outputs asm
[23:31] <fsphil> aaah, here we go
[23:32] <fsphil> http://pastebin.com/m2cXEy9G
[23:32] <fsphil> that's the entire program as it is here, debug code and all
[23:33] <fsphil> ah, disregard that
[23:33] <fsphil> I've got a fixed value in there
[23:36] <fsphil> http://pastebin.com/mDFDZQfF
[23:36] <fsphil> just the get_package function
[23:36] <ms7821> where's the call to printf?
[23:36] <fsphil> it's in the parent function
[23:38] <fsphil> line 58 seems to be where it's OR'ing the values
[23:38] <fsphil> then it adds the 6
[23:39] <ms7821> erm, that looks a bit different to the function in c328.c
[23:39] <ms7821> you're comparing with 0x165 for a start
[23:39] <fsphil> hold on a sec
[23:40] <fsphil> ldi r25, 0x00
[23:40] <fsphil> it's clearing r25, but not r24
[23:40] <ms7821> lds r10, 0x0165
[23:40] <ms7821> that's not 0xda
[23:42] <fsphil> the C function that this was compiled from --> http://pastebin.com/LCh0W71X
[23:42] <ms7821> aha, ta
[23:42] <fsphil> lds r24, 0x02EA
[23:42] <fsphil> I think this is where the 0x02 is comingfrom
[23:43] <fsphil> be honest, I don't know what LDS does -- not familiar with avr assembly
[23:43] <ms7821> yup
[23:43] <ms7821> lds loads a value from the constant segment
[23:43] <fsphil> one of the first things I do is set s = pkg_len;
[23:44] <fsphil> where pkg_len is the expected length of the package
[23:44] <ms7821> but you'll see there's a ldi r25, 0 on line 57
[23:46] <ms7821> I really don't think the problem is adding the two values
[23:46] <ms7821> it's what the value of pkg_len is
[23:47] <ms7821> so this function returns -1, is that right?
[23:47] <fsphil> yes
[23:47] <fsphil> at line 34
[23:47] <fsphil> of the C code
[23:48] <fsphil> s should be equal to pkg_len
[23:48] <ms7821> and it's definitely not any of the other return(-1)s?
[23:48] <ms7821> and is pkg_len is const?
[23:48] <fsphil> definitely not, if I comment this out the rest of the function runs fine
[23:49] <fsphil> no, pkg_len is set when I send the command to the camera to set the package length
[23:50] <fsphil> http://github.com/fsphil/hadie/blob/master/c328.c#L132
[23:55] <fsphil> what's the difference between lds and ldi
[23:55] <ms7821> lds loads a value from static memory, ldi loads an immediate value (the value in the assembler)
[23:56] <ms7821> are you sure that's the correct packet format?
[23:56] <ms7821> have you tried printfing t1 and t2?
[23:57] <fsphil> yes, t1 == 0xDA and t2 = 0x00
[23:58] <fsphil> I print them immediately after the function returns -1
[23:58] <ms7821> why not do it before the function returns -1?
[23:59] <fsphil> just trying to keep the function tidy, will give it a go now though
[00:00] --- Fri Jul 9 2010