[00:00] <Laurenceb> unfortunately I've flashed the radio with the dominoex code and fixed it inside the rogallo now
[00:00] <Laurenceb> dont really want to get it out - the coax is glues in ect
[00:00] <fergusnoble> yeah, and domino is cooler anyway :)
[00:01] <Laurenceb> slower than 300 baud rtty tho
[00:01] <Laurenceb> ~8 seconds per packet
[00:02] <Laurenceb> as opposed to 5
[00:02] <fergusnoble> but in theory better noise performance than 50baud rtty though
[00:02] <fergusnoble> on badger the packets do take ages though
[00:02] <fergusnoble> it is quite annoying
[00:02] <Laurenceb> yeah but I still get the odd corrupted character
[00:02] <Laurenceb> even with a strong signal on my desk
[00:03] <Laurenceb> we need a hab mode
[00:04] <Laurenceb> all these ham modes are annoying me
[00:06] <fergusnoble> yeah, i want psk!
[00:07] <Laurenceb> arg what the hell
[00:08] <Laurenceb> avr studio just reverted some code to a 6month old version
[00:09] <Laurenceb> ok... a c file on my hdd has just gone back in time 6 months
[00:09] <Laurenceb> how is that possible?
[00:10] <SpeedEvil> typo?
[00:11] <Laurenceb> hmm think its an issue I had a while back
[00:11] <Laurenceb> I accessed the partition from ubuntu
[00:11] <Laurenceb> weird things start happening on here when you try that
[00:11] <Laurenceb> files start duplicating themselves
[00:12] <SpeedEvil> :/
[00:12] Action: SpeedEvil stabs microsoft.
[00:13] <Laurenceb> if you hibernate xp, boot ubuntu then do any work on the xp partition, things go screwy soon as windows boots back up
[00:14] <SpeedEvil> err
[00:14] <SpeedEvil> you're not mounting the partition RO in ubuntu?
[00:14] <Laurenceb> - duplicate files, deleted files ect
[00:14] <SpeedEvil> Because if you're not, that's entirely expected.
[00:14] <Laurenceb> oh ok
[00:15] <SpeedEvil> In hibernate mode, it'll cache large fractions of the disk structure in RAM.
[00:15] <Laurenceb> well I wasnt writing files
[00:15] <Laurenceb> yeah
[00:15] <SpeedEvil> Even mounting RW may change stuff.
[00:15] <SpeedEvil> access times, ...
[00:15] <Laurenceb> I see
[00:15] <SpeedEvil> I mean if you don't intentionally change files.
[00:17] <SpeedEvil> Neglecting stuff that does stuff in the background.
[00:21] <Laurenceb> restored from backup
[00:22] <Laurenceb> thanks for that, I though it was safe doh
[00:33] <Laurenceb> hmm how do I fix this in ubuntu?
[00:34] <SpeedEvil> Work out how to mount read-only
[00:34] <SpeedEvil> /etc/fstab?
[00:34] <SpeedEvil> sorry - dunno ubuntu
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[00:43] <Laurenceb> just mounting RW couldnt change the contents of a file?
[00:43] <SpeedEvil> I'm unsure.
[00:44] <SpeedEvil> REading a file certainly might - it might for example trigger optimisation of the block placement for example.
[00:44] <Laurenceb> well what could it chaneg the contents to...?
[00:44] <Laurenceb> hmm
[00:44] <SpeedEvil> Generally, the answer in these sorts of questions is anything up to massive filesystem corruption.
[00:44] <Laurenceb> well all my files seem ok
[00:45] <SpeedEvil> Unless you've actually read and understood all the code, or ran it by someone who has, it's best to mount RO
[00:45] <Laurenceb> just some problems with ones that were read
[00:45] <Laurenceb> yeah
[00:50] <SpeedEvil> http://www.theregister.co.uk/2009/02/13/jlens_cdr/
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[01:03] <Laurenceb> according the #ubuntu the xp partition should be fine
[01:04] <shellevil> Well - given that it's manifestly not...
[01:05] <Laurenceb> yeah
[01:05] <Laurenceb> :P
[01:06] <shellevil> Is there an /etc/fstab that lists the windows partition - or does it do something more magical to find partitions?
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[10:06] <natrium42> only 20 airwires left \o/
[10:06] <natrium42> bed time :S
[10:08] <jcoxon> :-)
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[16:27] <rjharrison> Have you fixed the weather yet?
[16:30] <jcoxon> hey rjharrison
[16:30] <jcoxon> sadly not
[16:32] <jcoxon> had a useless day, all my teaching was cancelled :-p
[16:34] <rjharrison> Arse
[16:34] <rjharrison> I hate days like that
[16:35] <rjharrison> I have had quite a productive day so fa
[16:35] <rjharrison> far
[16:35] <rjharrison> Unusually so
[16:37] <jcoxon> that said now that i'm bored i've improved my antenna a little
[16:39] <rjharrison> cool
[16:39] <rjharrison> ground?
[16:39] <jcoxon> now just made it a bit straighter and outside now
[16:39] <rjharrison> cool
[16:39] <jcoxon> hanging between 2 windows, up against the roof which will make it rubbish but its seems a little better
[16:39] <rjharrison> Dangling over the balcony / out of window
[16:40] <rjharrison> Being out side is good
[16:42] <rjharrison> 40m still
[16:43] <jcoxon> yeah even though i said i wouldn't play
[16:43] <rjharrison> hehe, I know what that is like
[16:44] <rjharrison> Apparently it's unlikely that we are going to be able to have a QSO due to the problems with propagation
[16:44] <jcoxon> as in too close?
[16:46] <rjharrison> Yep, in some ways. Ground propagation of AM is limited to about 150 nautical miles
[16:46] <rjharrison> at 3Mhz
[16:46] <rjharrison> and thats on sea apparently it's worse on land
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[16:47] <rjharrison> I think that unless we get the cloud bounce correct there is little chance
[16:47] <rjharrison> Proof is in the pudding though. So we'll keep on trying
[16:47] <rjharrison> What would be good is to graduate the distance and test
[16:48] <rjharrison> 10 miles, 20 miles, 30 miles ...
[16:50] <jcoxon_> yeah, i'm more interested in whether i can actually transmit
[16:52] <jcoxon_> it works on 70cm so i guess i must be transmitting
[16:53] <rjharrison> Yep that's a bugger. I have solved it by having two radios but other than that you are a bit blind.
[16:54] <rjharrison> The local repeaters are good for testing simplex
[16:54] <shellevil> moonbounce.
[16:54] <rjharrison> Get some person who is prepared to help
[16:54] <shellevil> Use the delay!
[16:54] <rjharrison> hehe shellevil it has been done but not by me
[16:55] <jcoxon_> hmmm i can't add myself to teh qrz.com database
[16:55] <rjharrison> humm
[16:55] <rjharrison> I did
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[16:59] <jcoxon__> welrd i keep getting disconnected
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[17:06] <rjharrison> Hum, not me
[17:06] <rjharrison> Must be your end!
[17:07] <rjharrison> Have you tried to rope in the local ham people to see if you are txing ok?
[17:08] <jcoxon> that aren't really any HAM people around
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[17:22] <jcoxon> okay registerd my callsign now
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[19:03] <Laurenceb> hi
[19:13] <SpeedEvil> Hi
[19:13] Action: Laurenceb has a virus :(
[19:13] <SpeedEvil> :/
[19:13] <Laurenceb> maybe its time to format C
[19:14] <Laurenceb> this is really odd, first page of google is swapped with spam
[19:14] <Laurenceb> dont get how thats even possible
[19:15] <Laurenceb> filtering netwrok traffic?
[19:15] <Laurenceb> does it on yahoo as well
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[19:18] <SpeedEvil> understand the search page, and reweite I guess
[19:19] <SpeedEvil> or add keywords
[19:19] <Laurenceb> where would that be running?
[19:19] <Laurenceb> could it even be on the network somewhere... ?
[19:19] <SpeedEvil> Dunno how windows does it.
[19:19] <Laurenceb> hmmm
[19:20] <SpeedEvil> Somewhere between the network driver, protocol stack, kernel, or even application layers
[19:20] <Laurenceb> mcafree says everythings fine
[19:20] <SpeedEvil> what happens if you go to google.ie?
[19:21] <Laurenceb> same
[19:21] <SpeedEvil> http://www.bleepingcomputer.com/forums/lofiversion/index.php/t175838.html
[19:22] <Laurenceb> aha thanks
[19:22] <Laurenceb> yeah thats got to be it
[19:22] <Laurenceb> I was searching around but its a bit hard :P
[19:23] Action: SpeedEvil isn't good at viruses/trojans.
[19:24] <SpeedEvil> (being on linux)
[19:24] <Laurenceb> yeah
[19:24] <Laurenceb> this looks a pain to fix
[19:24] <Laurenceb> dunno how it got here
[19:24] <SpeedEvil> SUMMARY: In short, there are some sites that performing remote code execution based on security vulnerabilities in unpatched or un-updated versions of Adobe Acrobat (Reader and Full) version 7 and 8. The rootkit is sent encapsulated in a PDF file and security holes in Acrobat allow the rootkit file to execute after reception
[19:24] <Laurenceb> what with the overxelous firewall ect
[19:24] <Laurenceb> oh crap
[19:25] Action: Laurenceb has 8
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[19:34] <Laurenceb> hmm cant see those files :-/
[19:36] <Laurenceb> maybe I'll just reinstall windows
[19:36] <SpeedEvil> probably a different one.
[19:36] <Laurenceb> yeah
[19:37] <SpeedEvil> I just googled rootkit yahoo google
[19:37] <Laurenceb> problem is I dont have enough storage to back everything up
[19:37] <Laurenceb> yeah
[19:37] <SpeedEvil> :/
[19:37] <Laurenceb> oh well I'm going out, cya later
[19:37] <SpeedEvil> good luck.
[19:37] <SpeedEvil> Wave.
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[21:24] <natrium42> jcoxon!!!!
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[21:27] <natrium42> rocket boy!!!!
[21:29] Action: natrium42 resumes routing
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[21:46] <jcoxon> hello natrium42
[21:50] <natrium42> hi :)
[21:50] <jcoxon> you called
[21:51] <natrium42> jcoxon, have you ever tried to share SD card between camera and microcontroller?
[21:51] Action: natrium42 is going to try it
[21:51] <jcoxon> no i haven't
[21:51] <jcoxon> though it has crossed my mind before :-p
[21:51] <natrium42> :)
[21:52] <natrium42> it's not a bad idea if it works
[21:52] <natrium42> i don't see anything that would prevent it from working
[21:53] Action: natrium42 desided to scrap verdex and connect micro to satphone
[21:53] <natrium42> *decided even
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[21:54] <jcoxon> interesting
[21:55] <natrium42> almost done with the routing, will upload a rendering once i am done
[22:00] <jcoxon> are you using a micro then? instead of the verdex?
[22:02] <natrium42> yep
[22:02] <natrium42> going to dial in to modem at home
[22:02] <natrium42> no need for tcp/ip
[22:04] <natrium42> so i can just implement a reliable protocol myself
[22:07] <jcoxon> fair enough
[22:07] <jcoxon> there ppp stacks for avrs
[22:09] <jcoxon> been playing with HF, definitely think i'll be able to pick up a balloon from quite a distance
[22:09] <natrium42> yeah, going to check it out definitely
[22:09] <natrium42> mmh, awesome
[22:09] <jcoxon> managed to pick up psk31 from USA last night with a 10m wire
[22:09] <natrium42> wow, neat
[22:09] <natrium42> how high does your wire go?
[22:09] <SpeedEvil> :)
[22:10] <jcoxon> oh it was looped outside my window to the next window along
[22:10] <jcoxon> so probably the worst antenna ever
[22:10] <natrium42> haha, looks like it works well, though
[22:10] <jcoxon> plan to put a wire over the apex of our roof on the weekend as permenant antenna
[22:10] <natrium42> any ideas for a HF transmitter to put on balloon?
[22:10] <jcoxon> G8KHW, had some designs
[22:10] <SpeedEvil> freq?
[22:11] <natrium42> are they ready for manufacture?
[22:11] <SpeedEvil> I'd be thinking real simple.
[22:11] <jcoxon> G8KHW, ping
[22:11] <natrium42> i still didn't send my PCB order
[22:11] <SpeedEvil> Digikey has some nice vcxos.
[22:11] <SpeedEvil> ~2.5ppm, $4 or so.
[22:11] <SpeedEvil> vcxo, filter, simple amp.
[22:12] <jcoxon> psk31 all the way
[22:13] <jcoxon> natrium42, it would take me an afternoon to sort out a gumstix with a psk31 generator
[22:13] <jcoxon> which we could attach to a HF radio
[22:21] <G8KHW> Yo - havn't done anything on the HF transmitter recently
[22:22] <G8KHW> I decided to go to dominoex or MFSK as its simpler to generate then PSK31
[22:22] <G8KHW> (from an RF point of view)
[22:23] <natrium42> G8KHW, i am sending off a PCB order tomorrow, need anything made?
[22:23] <G8KHW> I ordered up some Si570 chips
[22:23] <G8KHW> nope - not in a fit state
[22:23] <natrium42> i may have to send satphone before HF is ready then
[22:24] <natrium42> since my minutes run out at the end of march
[22:24] <G8KHW> at the mo - in any event I suspect the 1st couple will be "breadboarded"
[22:24] <G8KHW> yeah that sounds best
[22:24] <natrium42> jcoxon, did you see bill brown's page? he's using the SPOT also
[22:25] <G8KHW> I have a HF rig now (FT817) so its much easier to test than with the old scanner
[22:25] <jcoxon> oh thats new
[22:25] <jcoxon> i'm just looking to see if i could find a kit that allows audio in
[22:25] Action: natrium42 will continue hacking it once he's done with the PCBs
[22:25] <jcoxon> then i could generate it on a gumstix in an afternoon
[22:25] <jcoxon> bbiab
[22:25] <natrium42> audio in? gpsstix?
[22:27] <jcoxon> audio out of the gumstix into a radio transmitter
[22:27] <natrium42> gotcha
[22:27] <natrium42> usb audio dongles are pretty neat
[22:28] <SpeedEvil> http://cgi.ebay.co.uk/TH300S-2-Band-Transceiver-kit-SSB-CW_W0QQitemZ280286662429QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item280286662429
[22:28] <SpeedEvil> hmm
[22:28] <SpeedEvil> (not really suitable for balloon use tho :) )
[22:30] <jcoxon> http://www.njqrp.org/warbler/index.html
[22:32] <jcoxon> http://www.smallwonderlabs.com/
[22:34] <jcoxon> while not efficient it literally would take a weekends work
[22:36] <SpeedEvil> too heavy, probably not well suited to temp swings, ...
[22:36] <SpeedEvil> But it is damn easy
[22:36] <natrium42> if you're up to it :)
[22:38] <natrium42> too heavy? satphone is pretty heavy too
[22:38] <natrium42> got it lighter by removing batteries
[22:38] <G8KHW> take all the casing off and its not gonna be that heavy
[22:38] <SpeedEvil> I mean heavy compared to a little SMD PCB
[22:39] <G8KHW> what are the power specs?
[22:39] <natrium42> G8KHW, probably, but from pictures it has pretty heavy shielding inside
[22:39] <natrium42> so it's not going to matter much
[22:39] <natrium42> bbl, sorry
[22:39] <SpeedEvil> natrium42: any attempt at logging interaction with satphone module? k
[22:43] <jcoxon> i could do it
[22:43] <jcoxon> but its a lot to lose...
[22:43] <jcoxon> we could also take off the receiveing bits as well to save weight
[22:43] <G8KHW> don't like the warbler - seems to be based arounf
[22:43] <G8KHW> around
[22:44] <G8KHW> US colour burst crystals
[22:44] <G8KHW> which means 1 fixed freq
[22:45] <SpeedEvil> WEll not really
[22:45] <gordonjcp> tbh single-chip synthesizers are easy enough to get these days
[22:45] <SpeedEvil> 1Khz band /PSK31
[22:45] <SpeedEvil> it's more than 1 band
[22:46] <SpeedEvil> that too.
[22:46] <SpeedEvil> But $50, for a working kit.
[22:46] <gordonjcp> to the extent that it's cheaper for me to etch a board and buy a couple of synth chips, than it is to buy two crystals for a repeater
[22:46] <gordonjcp> and if I need to change repeater frequency, guess what? I get to spend 60 quid on two more crystals
[22:46] <gordonjcp> FTN
[22:48] <G8KHW> The rockmite looks better - and you could just sub-populate the board with the TX componnets to save weight
[22:49] <G8KHW> Its includes a varicap to change freq - which you could generate MFSK/dominoex with
[22:51] <G8KHW> replace the onboard PIC with somthing that generates MFSK/Dominoex
[22:51] <G8KHW> all very doable
[22:52] <jcoxon> this is the thing
[22:52] <jcoxon> we could really do this if we got off our arses and did it
[22:53] <G8KHW> so true
[22:53] <SpeedEvil> AD has some nice quite cheap DDS chips that take phase inputs
[22:53] <jcoxon> rockmite is 0.5W
[22:54] <jcoxon> will that be enough?
[22:54] <SpeedEvil> Reciever functionality could be of use for avoiding other contacts.
[22:54] <SpeedEvil> Also for mesh :)
[22:54] <G8KHW> its only 8db down on 3W
[22:55] <gordonjcp> is this for HF ballooning?
[22:56] Action: G8KHW inserts the sound of static
[23:01] <jcoxon> hehe
[23:04] <G8KHW> looks like the warber requires sound card input/output
[23:04] <jcoxon> G8KHW, that was my theory
[23:05] <jcoxon> add a gumstix
[23:05] <jcoxon> then do psk31
[23:05] <G8KHW> I was about to say that
[23:05] <G8KHW> I think MFSK will be easier and more efficent
[23:06] <jcoxon> while perhaps overkill its very easy
[23:06] <G8KHW> MSFK can be all class C/E
[23:06] <G8KHW> so more efficent
[23:06] <G8KHW> PSK-31 is typically generated using balannced mixers
[23:07] <G8KHW> so the PA stage needs to be linear
[23:08] <jcoxon> G8KHW, in theory if we took the gumstix route it would be easy to upgrade later on
[23:08] <jcoxon> a bit of sstv, things like htat
[23:08] <jcoxon> that*
[23:08] <jcoxon> gumstix would love it - so i don't think we'd need to worry about that cost
[23:09] <jcoxon> http://cgi.ebay.co.uk/QRP-40C-40m-QRP-Transmitter-Kit-NEW!_W0QQitemZ370155315947QQcmdZViewItemQQimsxZ20090206?IMSfp=TL090206149004r13188
[23:09] <natrium42> bck
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[23:15] <natrium42> SpeedEvil, not yet
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[00:00] --- Wed Feb 18 2009