highaltitude.log.20080220

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[08:08] <natrium42> anybody awake?
[08:21] <Simon-MPFH> yes
[08:21] <natrium42> yay
[08:21] <natrium42> does this work for you? --> http://natrium42.com/robot
[08:22] <Simon-MPFH> Yes - looks good
[08:22] <Simon-MPFH> No nickname
[08:22] <natrium42> enter something
[08:23] <Simon-MPFH> Woooooh - TOYS!
[08:23] <natrium42> does the video feed work?
[08:23] <Simon-MPFH> With the laser - yes!
[08:24] <natrium42> hehe, for some reason the laser On/Off doesn't work anymore
[08:24] <natrium42> going to fix it tomorrow and also get a camera for the left view
[08:25] <natrium42> the one i had before was used on halo1 and broke on landing :S
[08:25] <Simon-MPFH> Loads of fun
[08:26] <natrium42> thanks, i used to keep that bot running 24/7 for months
[08:26] <natrium42> brought it back to life today
[08:26] <Simon-MPFH> Sound scared my kids
[08:26] <natrium42> oops
[08:26] <natrium42> :)
[08:27] <natrium42> the page used to be so busy
[08:27] <natrium42> got posted to a few big sites
[08:27] <natrium42> now it's a ghost town
[08:28] <Simon-MPFH> I did the same with a model railway and JMRI 2 Christmases ago but only for my pals - wasn't so sure about security!
[08:28] <Simon-MPFH> Was only 2 locos and 2 webcams but loads of fun
[08:28] <Simon-MPFH> Must uncover the shelf
[08:29] <natrium42> cool, i like that kind of stuff
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[15:31] <prpplague> any of you guys got some online references about issues regarding radiation and space based electronics?
[15:32] <edmoore> not me I'm afraid
[15:32] <edmoore> nevder made it high enough to worry :)
[15:32] <prpplague> hehe
[15:32] <prpplague> edmoore: this is more academic in nature
[15:33] <prpplague> edmoore: i doubt anything i make will ever go there anyway, but i'm curious
[15:34] <prpplague> edmoore: i've got radiation hardened parts for the hammer module, just curious what other issues might crop up
[15:35] <edmoore> sure
[15:36] <edmoore> well I'm having a look now for a nasa reference
[15:36] <edmoore> I recently saw their reference on electronic systems installation and workmanship - very interesting
[15:37] <prpplague> edmoore: yea, i've got a some that bookmarked
[15:37] <prpplague> edmoore: i was reading up on their COTS program and how they retrofitted some ibm laptops
[15:38] <edmoore> oh?
[15:39] <prpplague> edmoore: yea, the use the ibm laptops for mission operations
[15:39] <prpplague> edmoore: basically they had to additional fans, some different power connectors, and velcro
[15:40] <prpplague> edmoore: from what i gather, no major electronics re-work was done
[15:41] <edmoore> hmm nice
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[19:57] <Hiena> Good evening!
[20:23] <Simon-MPFH> Hi Hiena
[20:25] <Hiena> How things going?
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[20:38] <Simon-MPFH> Slowly
[20:38] <Simon-MPFH> I'm shifting virtual machines to new hardware 145Gb each - s l o w
[20:41] <Hiena> Oh. clustering up?
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[23:00] <Laurenceb> hi all
[23:00] <natrium42> hi
[23:01] Action: Laurenceb is playing with 2D FFT deconvolution
[23:02] <Laurenceb> seems to be working well, but I'm not sure if its the best technique
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[23:11] <Laurenceb> http://imagebin.org/14167
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[23:13] <Laurenceb> ^ thats a simple text, there are three "chip codes" at various frequencies and times, the deconvolution finds them and gives delta functions
[23:15] <Laurenceb> that plot just has the magnitude, but if the chip code is inverted in frequency space, the delta function will be -ive
[23:16] <Laurenceb> it seems to handle noise really well, but you can get divide by zero errors.... hopefully in real life there will be noise all over the place and that wont happen... I need to think about it
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[23:20] <Laurenceb> http://imagebin.org/14168
[23:21] <Laurenceb> ^ thats the sound card interface (me whistling :P )
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[23:36] <Laurenceb> hehe sweet - http://imagebin.org/14169
[23:36] <Laurenceb> thats how it responds to some noise
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[00:00] --- Thu Feb 21 2008