highaltitude.log.20100617

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[07:06] <jcoxon> morning
[07:29] <fsphil> morning jcoxon, all ready?
[07:31] <jcoxon> sort of
[07:31] <jcoxon> :-p
[07:31] <fsphil> know the feeling :)
[07:31] <jcoxon> i've setup to autoupload to flickr
[07:31] <jcoxon> as i can't work out whats wrong with the tracker
[07:32] <jcoxon> hope that'll be okay
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[07:39] <griffonbot> @jamescoxon: #peg7 #cusf - Final packing and then heading off after 8am to Cambridge. When in range will go onto GB3PY [http://twitter.com/jamescoxon/status/16369256397]
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[07:44] Action: fsphil remembers to turn off his own payload
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[08:17] <griffonbot> @geenweer: @jamescoxon - Good luck with the launch! #peg7 #cusf http://spacenear.us/tracker/ [http://twitter.com/geenweer/status/16370804236]
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[08:59] Nick change: edmoore -> edmoore|NOVA18
[08:59] <edmoore|NOVA18> morning all
[09:00] <fsphil> morning .. how goes it?
[09:00] <edmoore|NOVA18> i am having a coffee in churchill car, surrounded by all the kit
[09:01] <edmoore|NOVA18> just got a text from the biology experiment payload team - they are ten minutes away
[09:01] <edmoore|NOVA18> haven't heard from james yet
[09:01] <junderwood> edmoore|NOVA18, Any chance you could let me have the payload mass (all except the balloon) and parachute type?
[09:01] <junderwood> (once you've weighed it)
[09:01] <edmoore|NOVA18> will get you that number asap
[09:01] <junderwood> I would like to try out my prediction code again
[09:01] <edmoore|NOVA18> i think it's about 2.5kg though
[09:01] <edmoore|NOVA18> it's landing near you
[09:01] <junderwood> OK. Will use that as starting point and refine later.
[09:02] <junderwood> How about the parachute?
[09:02] <edmoore|NOVA18> i think in the triangle formed by buckingham, milton k and towcester
[09:02] <edmoore|NOVA18> chute is a ornage jellyfish thingy
[09:02] <edmoore|NOVA18> let me get you the link
[09:02] <junderwood> rofl
[09:02] <edmoore|NOVA18> i reckon the CdS is about 0.8, would be interested to know what you think
[09:02] <junderwood> If it comes close I may go and look for it.
[09:03] <junderwood> give me a link and I'll let you know!
[09:03] <edmoore|NOVA18> http://aeroconsystems.com/cart/products/72_inch_orange_parachute-70-65.html
[09:04] <edmoore|NOVA18> the chute is so pretty someone really mut get a photo of descent
[09:04] <junderwood> Looks like a guide surface of some sort
[09:05] <junderwood> Ooh. Cd for a guide surface isn't very high. 0.30 to 0.34
[09:05] <junderwood> What's the flat diameter?
[09:05] <edmoore|NOVA18> 1.8m
[09:06] <junderwood> Is that measured diameter or reference diameter from the web page?
[09:06] <edmoore|NOVA18> the mass is distributed as a train of several little payloads so it shouldn't make too much of a thud
[09:06] <edmoore|NOVA18> i think I measured it but then I've yet to sleep
[09:07] <junderwood> :)
[09:07] <junderwood> Well. If the ref diameter is 72" and it is a guide surface, you're on the button with the CdS value
[09:07] <junderwood> (assuming you're talking square metres!)
[09:08] <junderwood> edmoore|NOVA18, did you get my e-mail yesterday?
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[09:11] <fsphil> I've setup a stream today so I can monitor the radio from work, it's up here if anyone else wants to listen: http://www.sanslogic.co.uk:8000/radio.ogg
[09:11] <fsphil> nice clean static at the moment :)
[09:12] <junderwood> GTG. Should be back in time to track.
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[09:56] <G8DSU> Any suggestions re (windows) software to decode Martin1 SSTV images?
[09:56] <jcoxon> G8DSU, MMSSTV definitely
[09:57] <jcoxon> morning all
[09:57] <griffonbot> @jamescoxon: #peg7 #cusf Arrived at Cambridge, just setting up [http://twitter.com/jamescoxon/status/16374673202]
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[09:59] <fsphil> I see we have a listener in france today
[10:01] <alexandre> unfortunately I live in London, UK
[10:01] <cuddykid> i'm going to test out my new yagi, listening from worcester. I should get good signal shouldn't I?!
[10:01] <alexandre> I won't bring that much exotism
[10:02] <fsphil> London isn't that bad :)
[10:02] <fsphil> absolutely cuddykid
[10:03] <cuddykid> good stuff! Should be bang on due east for me!
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[10:06] <alexandre> it seems that high altitude photography with balloons became trendy very recently, like one year ago
[10:06] <alexandre> this is quite surprising as it's not using any new technologies
[10:16] <fsphil> it could be because the price has come down, and things like the predictor and tracker make it a lot easier to recover
[10:17] <russss> I'm in Malta. Don't think I could receive from here.
[10:17] <russss> I'm in quite a tall building though.
[10:18] <jcoxon> okay pegvii is off for a bit
[10:18] <alexandre> OK fsphil, that makes sense
[10:20] <edmoore|NOVA18> yo
[10:20] <edmoore|NOVA18> things progressing well here
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[10:27] <jcoxon> anyone planning to listen?
[10:28] <fsphil> looking good, I see both payloads on the tracker
[10:28] <fsphil> for some reason I'm not on the map
[10:30] <jcoxon> lat/lon correct?
[10:31] <fsphil> yea, it was on it this morning. I've restarted dl-fldigi
[10:31] <fsphil> ah there I am
[10:32] <fsphil> I even managed to stay out of the north sea this time
[10:34] <fsphil> what's the separate rig control app from fldigi called?
[10:35] <jcoxon> flrig
[10:37] <fsphil> that's it, thanks
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[10:41] <cuddykid> jcoxon, planning to listen from worcester, will be my first attempt! testing out new yagi :)
[10:42] <junderwood> jcoxon, 2EJCU listening from Bicester. See how close you can get!
[10:44] <M0DTS> Will be listening from Middelsbrough intermittently until ~1pm.
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[10:56] <cuddykid> anyone know if the launch is still going to schedule? (11am launch)
[10:56] <junderwood_> looks like they've left the bar
[10:57] <fsphil> hehe
[10:57] <cuddykid> haa
[10:59] <jcoxon> great
[10:59] <griffonbot> @jamescoxon: #peg7 #cusf in the field, just waiting for the biology payload... [http://twitter.com/jamescoxon/status/16377102383]
[10:59] <jcoxon> no haven;t started filling
[10:59] <jcoxon> soon...
[11:00] <junderwood_> jcoxon: do you have the exact current frequency for PegVII?
[11:03] <jcoxon> .07102
[11:03] <jcoxon> junderwood_ are you in a position to decode sstv
[11:03] <junderwood_> don't know. Never tried. I have the software, though!
[11:04] <jcoxon> considering its coming your way?
[11:04] <jcoxon> great
[11:04] <junderwood_> A little QRM on that freq.
[11:11] <gonzo_> it seems in this place, people move between posn's pretty easily, so could be other poss if you can get your foot in the door.
[11:12] <gonzo_> sry, mis-post there
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[11:29] <fsphil> hmm, flrig is a bit nuts.
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[11:40] <GW8RAK> Do we have a launch time yet?
[11:43] <junderwood_> they seem to be walking into the middle of the field again
[11:43] <fsphil> if they launch about 12:30, it should just be over my horizon by about lunch time :)
[11:43] <juxta_> fsphil: I dont really like flrig - what sort of radio do you have?
[11:44] <fsphil> FT-817ND .. it was giving me random frequencies on the display, and won't tune
[11:44] <fsphil> I'm not liking it either, but the HAB interface doesn't have the rig controls
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[11:44] <timbobel> woow lots of people here
[11:45] <timbobel> anyone here?
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[11:46] <timbobel> question: which radio <$500 is the most sensitive to 434MHz SSB? i found the yagi 817 is pretty sensitive right?
[11:46] <juxta_> fsphil: i just use standalone CAT software
[11:46] <juxta_> there's lots out there for yaesu/icom
[11:46] <fsphil> for linux?
[11:47] <juxta_> fsphil: yeah, lemme have a look again
[11:47] <fsphil> timbobel, the FT-817 is about as sensitive as you'll need
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[11:48] <juxta_> fsphil: http://www.dxzone.com/catalog/Software/Linux/
[11:49] <M0DTS> Does not look like it's going to be over my horizon before work....bye all, maybe next time.
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[11:51] <juxta_> fsphil: more here it seems
[11:51] <juxta_> http://radio.linux.org.au/?sectpat=rigcontrol&ordpat=title
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[11:53] <G8KHW> its filled
[11:54] <jonsowman> hows it going with the nova18 launch
[11:55] <G8KHW> video http://www.ustream.tv/channel/xaben
[11:55] <G8KHW> live video
[11:55] <jonsowman> ta
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[11:57] <fsphil> cool
[11:58] <cuddykid> wicked! Fab stream
[12:00] <jonsowman> Randomskk: ping
[12:00] <jonsowman> asleep or going to launch... i wonder
[12:01] <cuddykid> looks like its about to be launched any second!
[12:02] <jcoxon> up
[12:02] <cuddykid> cool!
[12:02] <junderwood_> gone
[12:02] <M0DTS> might just hear it then ..!
[12:02] <jonsowman> \o.
[12:03] <jcoxon> refresh spacenear.us pease
[12:03] <fsphil> good luck :)
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[12:05] <G8KHW> ok dropping video (literally)
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[12:13] <fsphil> how's the sstv working?
[12:13] <jonsowman> why isnt nova18 on spacenear
[12:13] <junderwood_> jcoxon: what are the settings for SSTV. Getting nothing here. Can see the signal on fldigi but no sense from mmsstv
[12:14] <fsphil> martin 1 -- but mmsstv should detect that automatically
[12:18] <junderwood_> OK. Seem to be getting something. Does it auto-save images or do I need to do something?
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[12:19] <cuddykid> clear signal in worcester! I'll plug into fldigi now, see if i can decode..
[12:20] <fsphil> my default it does, check the history tab
[12:21] <fsphil> my=by
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[12:22] <junderwood_> good photo received!
[12:23] <junderwood_> fsphil: so it does. Thanks
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[12:24] <fsphil> hmm, I'm off the map again
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[12:33] <M0DTS> Hearing both frequencies but not strong enough yet.. good work.
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[12:37] <cuddykid> the only room which provides me with clear LoS, doesn't get wifi signal! typical!
[12:38] <fsphil> cat5 ftw :)
[12:38] <fsphil> what's the current pegvii frequency?
[12:41] <junderwood_> 434071000
[12:41] <fsphil> is that dial frequency?
[12:42] <junderwood_> yes
[12:42] <fsphil> thanks
[12:43] <junderwood_> mmsstv isn't finding the start of the sstv pics. otherwise ok
[12:44] <M0DTS> got a pic :-)
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[12:47] <G8TMV> oops - that looks like a duff data point
[12:47] <jcoxon> back
[12:47] <jcoxon> sorry
[12:47] <jcoxon> just got internet
[12:48] <fsphil> wb
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[12:57] <jcoxon> is anyone else getting images?
[12:58] <M0DTS> yes not great images but getting them..
[12:59] <DanielRichman> oh of course! How is the flight going?
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[13:00] <cuddykid> jcoxon, can't seem to get multiscan (mac sstv program) to work :S .. fldigi is working great for data strings though :)
[13:00] <junderwood_> I'm getting images of sorts. Should improve now my Yagi isn't pointing the wrong direction any more!
[13:01] <timbobel> wow cool is one up right now?
[13:01] <russss> yes
[13:01] <timbobel> cool
[13:01] <G8TMV> http://spacenear.us/tracker/
[13:02] <fsphil> should be up over my horizon shortly
[13:02] <G8TMV> are the images anywhere on the web for us to see?
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[13:02] <timbobel> whats the landing prediction/alt prediction?
[13:02] <mw0cqu> good pm all
[13:02] <mw0cqu> what mode is the sstv ?
[13:03] <junderwood_> not mine. too advanced for me at the moment!
[13:03] <fsphil> 434071 still the dial frequency?
[13:03] <cuddykid> timbobel, its all on http://spacenear.us/tracker/
[13:03] <junderwood_> martin1
[13:03] Action: mw0cqu reinstalls mmsstv frantically
[13:03] <junderwood_> no 434072500
[13:04] <timbobel> i'm near amsterdam, do you think it's worth it tuning in?
[13:04] <cuddykid> timbobel, give it a go, apparently they've achieved up to 600km before!!
[13:04] <junderwood_> yes. Definitely
[13:05] <junderwood_> thus photo is a beauty
[13:05] <jcoxon> http://www.flickr.com/photos/jcoxon77/
[13:05] <mw0cqu> hearing sstv io81mo 434.073924 - stilla bit weak
[13:05] <timbobel> hey do we have a listener in cambridge?? M6JCX? the balloon is right on top
[13:07] <junderwood_> The red one is the one noone is listening to
[13:12] <M0DTS> pictures are more interesting than the numbers ;-)
[13:12] <timbobel> woow, the flickr, too cool for school.
[13:13] <fsphil> where be the flickr?
[13:13] <mw0cqu> trying to DSP out all of the keyfobs and other crap on the frequency :(
[13:13] <timbobel> http://www.flickr.com/photos/jcoxon77/4708339199/in/photostream/
[13:13] <fsphil> I hear RTTY!
[13:14] <GW8RAK_> Signal strengths increasing and seeing some shapes in the SSTV
[13:16] <fsphil> nothing now
[13:16] <griffonbot> @jamescoxon: In the air! #peg7 #cusf http://spacenear.us/tracker/ [http://twitter.com/jamescoxon/status/16383649330]
[13:17] <jcoxon> sorry guys about hte lack of upload
[13:17] <mw0cqu> so is it <martin1>telemetry<martin1> ??
[13:19] <fsphil> can see something on the waterfall that could be sstv
[13:19] <M0DTS> Here's what i have received so far... http://m0dts.co.uk/images/pegasusVII/pegasusVII.htm I'm off to work now so no more to come sorry! Thanks for the efforts. ttfn
[13:20] <DanielRichman> M0DTS, 25element yagi +preamp :O
[13:20] <M0DTS> yeah ;-)
[13:20] <M0DTS> it helps.. normally have two yagi's combined!
[13:20] <fsphil> more power, ar ar ar
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[13:21] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708385931/
[13:22] <fsphil> got a single line on the waterfall, drifting about a bit so I assume that's the payload
[13:22] <jcoxon> fsphil, nova18 might be best
[13:22] <jcoxon> .650
[13:22] <fsphil> I'm after some images ;-)
[13:23] <fsphil> I don't normally get a good signal until about 19km
[13:25] <mw0cqu> s7 of bursts that sound like a table saw here versus below s1 from baloon
[13:25] <GW8RAK_> Nova18 is much stronger here and getting good decodes.
[13:25] <jcoxon> http://www.flickr.com/photos/jcoxon77/4709033434/
[13:26] <cuddykid> what frequency is nova18 now?
[13:26] <GW8RAK_> 434.650 exactly here
[13:27] <fsphil> that wee camera is working well
[13:27] <G8TMV> Hmm... why have we got two ballons showing up?
[13:28] <fsphil> two payloads
[13:28] <G8TMV> Ah
[13:28] <jcoxon> http://www.flickr.com/photos/jcoxon77/4709038070/
[13:29] <mw0cqu> @jcoxon - nice one
[13:29] <fsphil> it's nice to see complete images ;-)
[13:29] <SpeedEvil> neat
[13:30] <GW8RAK_> F4ACD is now decoding
[13:30] <cuddykid> i need a tripod for the aerial! my arms starting to hurt !
[13:30] <fsphil> sstv getting stronger
[13:30] <SpeedEvil> I'm quite surprised to see rainbows at that altitude though.
[13:30] <SpeedEvil> cuddykid: Feel the burn!
[13:30] <SpeedEvil> cuddykid: Push through the pain!
[13:30] <cuddykid> haha
[13:30] <cuddykid> nova 18 is decoding well
[13:32] <cuddykid> got some complete strings!
[13:32] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708401357/
[13:32] <fsphil> hmm, pegvii is stronger than nova18 here
[13:35] <mw0cqu> on the spacenearus page - which "icon" is the baloon - the targets ??
[13:35] <mw0cqu> or the ballon icon ?
[13:35] <cuddykid> balloon
[13:36] <mw0cqu> what are the "targets" then ?
[13:36] <G8TMV> landing prediction
[13:36] <mw0cqu> ah makes sense ;-))
[13:37] <G8TMV> and the "puff of smoke" symbol between them is the burst prediction
[13:37] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708409149/
[13:39] <jcoxon> http://www.flickr.com/photos/jcoxon77/4709054982/
[13:39] <fsphil> the extension cable I have at home must be really killing the signal, I'd expect to be decoding by now
[13:43] <fsphil> jcoxon, are you idling the signal between the two rtty tones?
[13:44] <jcoxon> yes
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[13:46] <mw0cqu> confirming i'm supposed to be decoding the images on USB ??
[13:47] <jcoxon> yeah
[13:47] <jcoxon> 434.07348
[13:47] <mw0cqu> cheers - this "saw" like data flattens everything , cant DSP it out either :(
[13:48] <fsphil> I ca nsee the sstv signal but no decode
[13:48] <fsphil> trying for nova18 now
[13:48] <juxta_> are there 2 balloons up?
[13:48] <juxta_> or 1 with 2 payloads?
[13:48] <fsphil> 1 with 2 payloads
[13:48] <juxta_> alrighty
[13:49] <jcoxon> 1 balloon with 2 payloads
[13:50] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708432581/
[13:53] <juxta_> recent pics are looking good jcoxon :)
[13:54] <mw0cqu> the buz saw here goes off 9 times per martin frame - VERY difficult to keep lock
[13:55] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708439827/
[13:57] <fsphil> yay, decoded "NOVA18"
[13:58] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708446227/
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[13:59] <G8TMV> hmmm... dodgy data there I think
[13:59] <G8DSU> At least I'm being fair! Duff decodes for both payloads rather making a mess of the tracking page... Sorry!
[13:59] <G8TMV> looks like we need a better checksum system
[14:00] <fsphil> unless it's being transmitted like that?
[14:00] <jcoxon> everyone stop tracking nova18
[14:00] <jcoxon> as its 24km
[14:00] <jcoxon> so won't work
[14:01] <fsphil> oh yea
[14:01] <fsphil> jcoxon, what dial frequency for sstv atm?
[14:02] <cuddykid> what gps module is being used on nova18?
[14:02] <jcoxon> .07348
[14:03] <fsphil> woo, that worked
[14:03] <jcoxon> http://www.flickr.com/photos/jcoxon77/4709096950/
[14:03] <cuddykid> wow! looks good!
[14:04] <fsphil> mmsstv keeps stopping, is there a squelsh setting?
[14:04] <jcoxon> no
[14:04] <jcoxon> but i find that you need to line everything up
[14:04] <jcoxon> so that the sync speak is on 1200
[14:04] <jcoxon> peak*
[14:05] <G8TMV> what burst alt are we expecting?
[14:05] <fsphil> the sync peak is the top line in the waterfall? (frequencey qise)
[14:05] <fsphil> quise = wise
[14:06] <jcoxon> G8TMV, 30km
[14:06] Action: G8TMV nods, Ta
[14:07] <mw0cqu> getting lock here now , but b&W picture only ??
[14:09] <jcoxon> should be colour
[14:10] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708468635/
[14:10] <jcoxon> oops we have started to descent
[14:10] <fsphil> heard that
[14:12] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708472855/ (on descent
[14:13] <cuddykid> heading for bedford!
[14:15] <mw0cqu> I take it ther rate of descent decreases as the air pressure increases ?
[14:15] <juxta_> mw0cqu: yep, as air density & pressure increases
[14:16] Action: mw0cqu was thinking wouldnt want that landing on my roof @20m/S ;-)
[14:16] <jcoxon> http://www.flickr.com/photos/jcoxon77/4709122994/
[14:17] <mw0cqu> you guys ever considered running this on SRD860 band C with 500mW ?? a LOT less interference and smaller antennas = high gain
[14:18] <juxta_> mw0cqu: is 860mhz license free in the UK?
[14:18] <mw0cqu> most of europe
[14:19] <mw0cqu> band "D" @5mW for voice , but 500mW for data
[14:19] <GW8RAK> Yes, it is licence free, but the permitted duty cycle is very low, about 10%
[14:19] <timbobel> oh my god coxon, respect for that SSTV, you're the man
[14:19] <mw0cqu> in band C
[14:21] <jcoxon> hehe still getting sstv
[14:21] <jcoxon> its because of the large parachute
[14:21] <jcoxon> so its drifting down gracefully
[14:21] <timbobel> hey
[14:22] <juxta_> hey timbobel
[14:22] <juxta_> you've been commenting on my blog I think :)
[14:22] <timbobel> really?
[14:22] <timbobel> are you thomas?
[14:23] <juxta_> i'm terry
[14:23] <timbobel> oh right
[14:23] <timbobel> sorry
[14:23] <timbobel> terry
[14:23] <juxta_> ;)
[14:23] <timbobel> i finally found the NTX2 HP supplier near, in Belgium, for just e17,- a piece (!!)
[14:23] <juxta_> excellent :)
[14:23] <timbobel> yeah
[14:23] <juxta_> cheaper than here, hehe
[14:24] <timbobel> and i think im going for that yeasu 817.. but not sure, the icom706 seems excellent too, but hte yaesu is twice as sensitive on 443mhz ssb i think..
[14:24] <timbobel> and, i have NO idea where to get the balloon
[14:24] <mw0cqu> http://www.ofcom.org.uk/radiocomms/ifi/tech/interface_req/IR2030final.pdf<--document which IDs lolicence free low power bands and modes in the uk
[14:24] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708492687/
[14:24] <russss> rocketboy sells them
[14:25] <juxta_> timbobel - pm?
[14:26] <russss> nice images
[14:26] <russss> shame I wasn't around to receive
[14:27] <mw0cqu> based upon the current landing prediction, i hope someone shouts "FORE!"
[14:27] <fsphil> how cool would it be if it landed on a hole
[14:28] <mw0cqu> heh well presently its on the green, but theres a bunker nearby !!
[14:28] <fsphil> haha
[14:30] <mw0cqu> "i'm sorry Sir , you cant recover your spacecraft, your not wearing ties and your not members"
[14:31] <jcoxon> http://www.flickr.com/photos/jcoxon77/4709141710
[14:34] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708514899/
[14:34] <mw0cqu> prediction has moved now...you're in the rough...might have to forefeit !! ;-)))
[14:35] <juxta_> jcoxon: nova18 path seems a bit wonky here - was there invalid data?
[14:36] <DanielRichman> it almost looks like the - sign on the latitude is being skipped
[14:36] <DanielRichman> quite often
[14:36] <DanielRichman> and the point is flipping to the other side of 0'
[14:36] <juxta_> oh right
[14:37] <juxta_> same issues as last time ferret was flown?
[14:37] <DanielRichman> were there issues before? I thought it had a checksum anyway; programming bug|?
[14:38] <juxta_> yeah - there was a bug with the handling of the GPS coords from memory
[14:38] <mw0cqu> total loss here now
[14:38] <jcoxon> still getting images
[14:38] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708523649/
[14:38] <juxta_> unsigned int not handled correctly or something from memory
[14:39] <DanielRichman> http://www.robertharrison.org/listen/view.php yes it does appear to regularly get replaced with a 0
[14:39] <juxta_> jcoxon: where are you atm?
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[14:40] <jcoxon> cambridge
[14:40] <jcoxon> but ed is under
[14:42] <chembrow> did many images get sent successfully?
[14:43] <G8TMV> I guess it's on the ground by now
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[14:46] <jcoxon> final pic
[14:46] <jcoxon> http://www.flickr.com/photos/jcoxon77/4708540483/
[14:46] <juxta_> jcoxon: were you using the track-o-tron?
[14:46] <juxta_> were/are
[14:46] <griffonbot> @jamescoxon: #peg7 #cusf has landed nr Bedford - received pictures: http://www.flickr.com/photos/jcoxon77/ [http://twitter.com/jamescoxon/status/16389952198]
[14:47] <jcoxon> juxta_, nope
[14:47] <jcoxon> just the yagi
[14:47] <juxta_> oh, nice
[14:52] <mw0cqu> nice one guys - back to work here - cheers - FAR more fun that watching 24 blokes kick a bag of wind around a south african field ;-)
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[14:52] <jcoxon> haha
[14:53] <jcoxon> i'm very pleased with the sstv downlink
[14:53] <jcoxon> didn't expect that much
[14:53] <jcoxon> now i hope it gets recovered
[14:53] <juxta_> seems to have worked really well, congrats jcoxon
[14:53] <juxta_> do you know final landing coords yet?
[14:54] <jcoxon> not yet
[14:57] <jcoxon> 52.14013 -0.52798
[14:57] <timbobel> ty
[14:58] <timbobel> congratulations
[14:58] <timbobel> im out
[15:00] <jcoxon> found
[15:01] <juxta_> great :)
[15:03] <cuddykid> well done!
[15:05] <G8DSU> Thanks for an enjoyable few hours - now to get some work done!...
[15:10] <jcoxon> hehe
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[15:16] <jcoxon> bbl
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[16:54] <timbobel> who can give me advise: what are the differences between the iCom 706mk2 and the Yaesu 817(nd).. im looking for a good 434mhz ssb..
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[17:40] <fsphil> from just looking at it -- much bigger screen, and detachable
[17:41] <fsphil> not sure it does 70cm though?
[17:41] <timbobel> i knew that ;)
[17:41] <timbobel> they both do 70cm
[17:41] <timbobel> MKII version of the icom706 has 70cm.. "juxta_" has one.
[17:42] <timbobel> he likes it
[17:42] <fsphil> it's also a much more powerful transmitter than the FT-817
[17:42] <timbobel> although today, there were like 4 listeners with a 817!
[17:42] <timbobel> yeah allright, but im more of the receiver type.
[17:43] <fsphil> does the icom have a battery?
[17:44] <timbobel> hmm yeah there is some kind of adapter around for untethered, yeah.
[17:47] <fsphil> it's quite a bit more expensive
[17:50] <fsphil> I think for receiving it won't offer you much more than the 817, other than the nice big screen
[17:58] <stilldavid> I've got an 817 and like it a lot FWIW. Not had experience with the icom
[18:01] <timbobel> yeah i am leaning towards the 817.. anyway.. is $110 a good price for a 1200g ballon? i only have a 600g one, but i dont seem to find bigger ones?
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[18:04] <fsphil> http://randomsolutions.co.uk/
[18:05] <timbobel> "All Balloon Sizes are now out of stock (except KCI-3000) - New Stocks expected around the end of the month (May 2010)"....
[18:05] <fsphil> more sizes, though they're all out of stock at the moment
[18:05] <timbobel> its what it says for weeks now
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[18:05] <timbobel> 3kg one is a bit too much
[18:05] <fsphil> a bit lol
[18:05] <timbobel> althrough harrison used it right
[18:05] <timbobel> icarus III
[18:06] <fsphil> He used a pretty big one, not sure exactly. I think it was to try and get the altitude record
[18:06] <fsphil> though it burst at 33km
[18:08] <fsphil> I'll be using 1kg balloons on my own, should be more than enough
[18:09] <timbobel> yeah but where to get!
[18:09] <timbobel> :(
[18:11] <SpeedEvil> np: Nena - 99 Red 1Kg balloons.
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[18:14] <cuddykid> any photos yet from the flight? apart from the sstv ones?
[18:15] <sbasuita> timbobel: you need to talk to this dude ^
[18:15] <sbasuita> steve randall, he runs random solutions
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[18:56] <timbobel> which dude is that?
[18:56] <timbobel> anyone have an opinion on the Yaesu VR5000
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[18:59] <jcoxon> hey all
[18:59] <jcoxon> just got home
[19:03] <timbobel> welcome again
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[19:04] <cuddykid> Hi!
[19:04] <cuddykid> managed to get any photos from memory yet?
[19:04] <jcoxon> cuddykid, yup
[19:04] <jcoxon> the downlinked images are pretty good to tell the truth
[19:04] <cuddykid> good stuff! yeah, they were!
[19:05] <cuddykid> didn't manage to get the sstv program for mac running correctly though :/
[19:05] <jcoxon> yeah its not very good on hte mac
[19:05] <jcoxon> i run MMSSTV in wine on my mac
[19:06] <cuddykid> yeah, i was going to boot up vmware, but the balloon was descending by that time!
[19:06] <jcoxon> next time then
[19:06] <jcoxon> :-D
[19:07] <cuddykid> yes!
[19:07] <cuddykid> hope to have my first balloon ready for some time either mid july or later august if all goes to plan!
[19:08] <jcoxon> great
[19:08] <jcoxon> tracking a balloon is good experience
[19:08] <jcoxon> thanks for helping with that
[19:09] <cuddykid> it is good, though holding the antenna up for longer than a few mins started to hurt badly! Just ordered a tripod stand so should be easier next time
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[19:11] <timbobel> i've got almost everything ready for a flight (from NL) though i sill need a UHF receiver, NTX2, and 1.2kg baloon..
[19:11] <jcoxon> cool
[19:13] <timbobel> yaesu 897 for $600, good deal? is that more valuable than a 817 (which are pretty xxx scare btw)
[19:13] <jcoxon> 817 is a great radio
[19:13] <jcoxon> and very portable
[19:14] <cuddykid> yes, totally agree, 817 works great for hab
[19:14] <timbobel> yeah
[19:14] <edmoore> yeah unless you want to transmit a lot i don't see why you shouldn't get the 817
[19:15] <edmoore> it's a gorgeous rig
[19:15] <timbobel> i am looking at the icom 7000 for 300 quid, though i dont think that fits inside anything else but a trunk
[19:15] <edmoore> used it today to recover nova18
[19:15] <timbobel> yeah i saw, there were like 817's being used.
[19:15] <jcoxon> edmoore, thanks for collecting the payload today :-)
[19:15] <edmoore> timbobel: the ic-7000?
[19:15] <timbobel> in holland its pretty scarce; i saw two advertisements today of people wánting one
[19:15] <timbobel> yeah
[19:16] <timbobel> no
[19:16] <timbobel> wait
[19:16] <timbobel> R7000
[19:16] <edmoore> yeah
[19:16] <edmoore> i have the ic-7000
[19:16] <timbobel> wow
[19:16] <edmoore> i prefer it to the 817... but it's a bit overkill for hab
[19:16] <edmoore> we use it for uplinking though
[19:16] <timbobel> ic7000 is a big bit for starting on uhf
[19:17] <edmoore> I bought the 817 for the club based on a blind comparison of hab needs
[19:18] <timbobel> hmm, are you saying you have one spare?
[19:18] <timbobel> by the way, what is a 'decent' price
[19:18] <timbobel> if my questions are annoying to anyone, please tell
[19:19] <jcoxon> hehe no keep asking
[19:19] <jcoxon> i'm just looking to see how much i paid for mine
[19:20] <edmoore> timbobel: no, afraid that we cling to our radios like children
[19:20] <edmoore> no spares
[19:20] <jcoxon> so an 817 is ~ 350 pounds
[19:20] <jcoxon> might be able to get cheaper on ebay
[19:20] <timbobel> are you serious
[19:20] <timbobel> that's cheap..
[19:20] <cuddykid> btw, talking of uplink, what do you guys do in regards to cutdown devices? Do you send an uplink or is it just on a timer? And if uplink, what frequency/band and receiver do you use?
[19:21] <edmoore> we have used both
[19:21] <cuddykid> timbobel, i think if i remember rightly i got mine for around 250 pounds
[19:21] <edmoore> when autonomous, usually a radius from a launch site
[19:21] <jcoxon> cuddykid, for starting i'd to a timer
[19:21] <edmoore> or a simple polygon map of the coast
[19:21] <jcoxon> or what edmoore says :-)
[19:21] <edmoore> cuddykid: for our uplink, we have used simplex. so same freq as downlink
[19:21] <cuddykid> yep, ok, will put a timer code into arduino
[19:22] <edmoore> i recommends radius...
[19:22] <timbobel> cuddykid; that was a good deal.
[19:22] <edmoore> it's as trivial to do
[19:22] <jcoxon> cuddykid, yeah go for radius
[19:22] <cuddykid> yeah
[19:22] <edmoore> well actually it relies on a working gps of course
[19:22] <jcoxon> don't listen to me
[19:22] <cuddykid> lol
[19:23] <edmoore> the thing about timers is you always get caught by the unforseen 30 minute delay on the ground as you inflate the balloon, having turned the payload on
[19:23] <edmoore> cuddykid: where are you based?
[19:23] <cuddykid> yeah, in fact another question has just come into my head on the gps front! .. Got a lassen with antenna.. not receiving great lock atm, need a ground plane apparently :S .. do you just glue a piece of square metal to the bottom?
[19:23] <cuddykid> edmoore, worcester
[19:23] <edmoore> i was just trying to think why we hadn't bothered with cutdowns for a while - but i have remembered. landing prediction software; we're usually pretty confident it'll land on land
[19:24] <cuddykid> yes! I worry about the timer, especially as its my first time filling balloon etc..
[19:24] <edmoore> whereas in the old days we'd let it go somewhat into the unknown
[19:24] <jcoxon> bbl
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[19:24] <timbobel> i actually live 5 minutes driving away from where the ballasthalo landed btw :)
[19:24] <sbasuita> cuddykid: personally i wouldn't bother with a cutdown, since as edmoore says the landing predictions are awesome
[19:24] <sbasuita> kiss
[19:24] <cuddykid> yep, if i get a south/easterly wind I should be fine
[19:25] <edmoore> if there's a decent margin in the predictor you can sleep fairly soundly
[19:25] <cuddykid> cool
[19:25] <edmoore> so we saw nova/peg come down today
[19:25] <sbasuita> wow
[19:26] <edmoore> the parachute was clearly visible in the sky about 300m away
[19:26] <edmoore> orange chutes ftw
[19:26] <sbasuita> edmoore: i must ask, did you get it on film?
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[19:26] <edmoore> afraid not, i was driving
[19:26] <sbasuita> :(
[19:26] <edmoore> and at a reasonable clip
[19:26] <sbasuita> yeah fair enough
[19:26] <sbasuita> bbl
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[19:31] <DanielRichman> how did you manage to get an 817 for ~£250, cuddykid ?
[19:32] <cuddykid> ebay, though it wasn't in the best of conditions, stank of cig smoke, only just managed to get rid of smell (almost) after a year of airing!
[19:32] <cuddykid> i'll see if i can find the exact price
[19:32] <DanielRichman> ahh I see
[19:32] <DanielRichman> no that's OK
[19:32] <fsphil> ooch
[19:33] <edmoore> good price!
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[19:34] <cuddykid> yeah, did seem like a bargain!
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[19:35] <fsphil> can I ask a favour, could someone set the rtty shift for hadie to 425 in the payload xml file?
[19:35] <cuddykid> £248 was the price, a year ago yesterday bought it!
[19:35] <DanielRichman> cool thanks for info
[19:35] <DanielRichman> exams almost over; HAB season is about to begin
[19:35] <cuddykid> danielrichman, same! last exam next week
[19:35] <DanielRichman> cuddykid, what is it ?
[19:35] <cuddykid> D1 AS maths
[19:36] <DanielRichman> ahh sounds fun
[19:36] <fsphil> maths is cool
[19:36] <cuddykid> no, its not! haha
[19:36] <DanielRichman> what's in D1?
[19:36] <cuddykid> algoriths, stuff like route inspection problems etc.. tbf, its better than the normal core maths imo
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[19:37] <DanielRichman> I am yet to have the pleasure of gracing that module yet; expect we will do so next year. I've got 4 exams; two of which are tomorrow
[19:38] <cuddykid> haha, got stats tomorrow!
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[19:54] <timbobel> what kind of exams are these?
[19:54] <timbobel> HAM?
[19:56] <sbasuita> timbobel: maths
[19:56] <sbasuita> timbobel: looks like cuddykid is taking a levels
[19:56] <sbasuita> timbobel: british qualification for 16-18 year olds
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[19:57] <timbobel> oh thats young, i expected 30~40 year olds
[19:58] <sbasuita> timbobel: yeah me and dan will be there after the summer ;)
[19:58] <timbobel> where=
[19:59] <DanielRichman> timbobel, we'll be doing a levels after the summer
[20:02] <timbobel> what is "a levels"
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[20:02] <timbobel> im not really into the english country-slang ;)
[20:05] <fsphil> They're exams
[20:05] <fsphil> big scary ones ;-)
[20:05] <sbasuita> timbobel: http://en.wikipedia.org/wiki/GCE_Advanced_Level
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[20:07] <timbobel> doh really
[20:07] <timbobel> you guys are all young?
[20:07] Action: fsphil isn't lol
[20:07] <fsphil> I'm 30
[20:07] <timbobel> thats' nice
[20:07] <fsphil> no exams for me :)
[20:07] <timbobel> not too old, but old enough to be wise.
[20:08] <timbobel> i'm 21
[20:08] <timbobel> please tell me that jcoxon isn't 15
[20:08] <fsphil> lol
[20:09] <fsphil> woo-hoo! I got one-pin rtty working
[20:10] Nick change: zilvis -> LY2SS
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[20:12] <LY2SS> Hi all! Congratulations! What max altitude was achieved?
[20:16] <fsphil> about 26km I think
[20:16] <fsphil> they got some really nice images
[20:16] <fsphil> (sstv)
[20:18] <timbobel> here's the track
[20:18] <timbobel> http://spacenear.us/tracker/
[20:18] <timbobel> and check jamescoxons flickr for the sstv pics
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[20:19] Nick change: G8KHW -> RocketBoy
[20:20] <fsphil> I like the idea of uploading to flickr directly
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[20:26] <mc-> Rocketboy, do you have any pics that I could borrow, I'm on a stand at a science festival next week.
[20:26] <mc-> that is HAB pics
[20:30] <timbobel> personal opinion, flickr sucks for big amount of pics
[20:34] <SpeedEvil> Flicr sucks by intent.
[20:34] <SpeedEvil> In that there is intentionally no way to order the pics other than in upload order.
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[20:40] <RocketBoy> todays launch http://www.ustream.tv/recorded/7716153
[20:43] Action: DanielRichman pokes timbobel
[20:53] <fsphil> what size is that balloon? seems big
[20:56] <timbobel> why this poking
[20:56] <DanielRichman> timbobel, RocketBoy is the one who sbasuita was referring to earlier
[20:57] <DanielRichman> if you excuse "this one"
[20:57] <DanielRichman> <sbasuita> timbobel: you need to talk to RocketBoy (balloons)
[20:58] <RocketBoy> fsphill: 1500g
[20:59] <fsphil> excellent .. that was a nice long line too
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[21:33] <timbobel> thanks Daniel
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[21:44] <Hiena> Well...This looks promising. Welded the end of a 2" 45cm tube and set two 8mm brake tube fittings at the cap. One was 8mm through, the another was centered 0.7mm spray. I filled the tube with a charcoal burner rod (2" outer, 0.5" inner diameter), and connected air compressor and a peroxide pump to the fittings. After lit the burner rod, and adjusted 0.2 atm the compressor the charcoal went cherry red.
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[21:45] <Hiena> After starting the peroxide pump the charcoal went white, and produced plenty of steam.
[21:48] <sbasuita> Hiena: so how long exactly is your doomsday device going to take?
[21:48] <timbobel> are you planning on creating your own clouds or something?
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[21:49] <Hiena> Total burn time was 45 sec. Seems adjusting the airflow could restrict the steam quality, and the flame temperature.
[21:50] <Hiena> Just playing with a tought of the hybrid steamrocket engine idea.
[21:53] <Hiena> The peroxide industrial grade, off the self one (30%), the burner rod is barbecue charcoal glued and sun dried, nothing fancy or expensive.
[21:53] <timbobel> barbeque
[21:53] <timbobel> sounds tasty
[21:53] <timbobel> so your organising a bbq at 60k feet ;)
[21:54] <timbobel> but seriously, what ex are you planning with it
[21:54] <Hiena> The basic idea was balance the peroxide water content with a compressed air.
[21:54] <Hiena> Dunno yet. It was just proof of the concept.
[21:55] <fsphil> I just uploaded a few test strings to the tracker, sorry. please delete
[21:57] <SpeedEvil> HYou can get 98% commercially in 'small' quantities
[21:58] <SpeedEvil> I vaguely recall a price for 800 euro for a 360l pallet of 60l drums
[21:58] <sbasuita> fsphil: i wouldn't worry about it too much
[21:58] <sbasuita> fsphil: as long as its not during or close to a launch ;)
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[22:00] <Hiena> SpeedEvil, not here. That thing is still under the restricted chemical control.
[22:01] <SpeedEvil> ah
[22:01] <SpeedEvil> Forgot where you were for a moment.
[22:01] <SpeedEvil> You can boost a bit from 30% easily.
[22:02] <SpeedEvil> Fractional crystallisation will get you to 50% without too many problems
[22:02] <SpeedEvil> Distillation has all sorts of really fun issues, that I'd basically try real hard to avoid.
[22:03] <Hiena> I know, but as i get older, i feel less and less the need for battle with the authorities and dance on the edge of the legality.
[22:06] <Hiena> Since the last two years, here had some stupid wannabe terrorist groups which resulted asking too much questions if you tries to buysome "supicious" material.
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[22:08] <Hiena> Also the authorities dumb, and i don't want to spend days explaning the differenties between a pipe bomb and a constant diameter combustion chamber.
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[00:00] --- Fri Jun 18 2010