highaltitude.log.20141121

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[03:36] <SpacenearUS> New position from 03RA4NHY after 039 hours silence - 12http://habhub.org/mt/?focus=RA4NHY
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[06:03] <det_> !dial EDUPICM8
[06:03] <SpacenearUS> 03det_: Can't find a flight doc matching your query
[06:04] <jededu> edupic is 434.225
[06:14] <det_> jededu thank you. I receive it now. will decode soon (DJ3AK on map)
[06:15] <pc1pcl> looks like just a little to northerly for me. but can hear..
[06:15] <det_> green
[06:16] <jededu> Thanks det you are in a perfect position
[06:16] <jededu> Cool :)
[06:17] <det_> if you can hear, you will probably also decode
[06:20] <det_> I wonder how long the battery of edupic lasts. any idea?
[06:23] <jededu> It should last another day at least
[06:24] <jededu> Well see when it warms up how much is left in it
[06:25] <det_> yes, that is great. Hope it goes for another day. nice copy here
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[06:32] <Upu> that got a shift on
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[07:01] <jededu> It has upu its doing 104kmh at the moment :)
[07:02] <jededu> http://x-f.lv/dev/habitat-graphs/payload/EDUPICM8#g/_speed
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[07:04] <pc1pcl> $$$$$$@DUPICM8,115<.0/:014,4349.84189,0075445246,06,736.6-0(-28
[07:04] <pc1pcl> 75132*2D1B
[07:05] <pc1pcl> that was about the best I could get here, unfortunately.
[07:06] <jededu> So close
[07:06] <jededu> Its warming up
[07:07] <pc1pcl> very successful experiment I guess so far.
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[07:08] <jededu> Luckily the good folks on here have managed to track it almost continuously
[07:10] <Rebounde1> morgnin!
[07:11] <Rebounde1> the dancing hysplit for edu8 :)
[07:11] <pc1pcl> ah, ah green.
[07:14] <Rebounde1> :)
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[07:19] <Maxell> pclpc1: meh remote RevSpace RX "$$$$$$$$EDUPICM8,116007:35:44,33f,00814182 2N\"
[07:19] <Maxell> lot of qsb
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[07:23] <jededu> ping upu
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[07:24] <Maxell> $$EFUPh\Uffffffff$1162,06:20z34,534\Uffffffff.23396$0082238903,06,7473.6,2,0,-16.4,1.38*1B80 etc
[07:28] <jcoxon> does B-64 count in this case? http://boingboing.net/2014/11/20/first-attempt-at-around-the-wo.html
[07:33] <jededu> EDUPIC battery at 1.4v :)
[07:34] <jcoxon> yeah it'll pick up nicely as it warms up
[07:34] <jcoxon> these lithiums seem to do better rather than worse in stratospheric conditions
[07:35] <thasti> !dial EDUPICM8
[07:35] <SpacenearUS> 03thasti: Can't find a flight doc matching your query
[07:35] <thasti> expired?
[07:35] <lz1dev> !flights
[07:35] <jededu> Does it need extending again?
[07:35] <SpacenearUS> 03lz1dev: Current flights: 03B-64 434.500 Contestia 64/1000 10(3afe)
[07:35] <jcoxon> looks like it
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[07:35] <thasti> !dial EDUPIC8
[07:35] <SpacenearUS> 03thasti: Can't find a flight doc matching your query
[07:36] <jededu> Thanks jcoxon :)
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[07:39] <pc1pcl> had my dial at 434.225.50, to end up between 500 and 1000 on the waterfall.
[07:40] <pc1pcl> Clearly out of range now though, just see it weakly in the WF
[07:45] <pc1pcl> seems it's transmission has slowly drifted down as it's warming up.
[07:45] <thasti> will get in range here in a couple minutes
[07:47] <pc1pcl> still visible in the WF here, not decodable anymore, even without the bursts of QRM ..
[07:56] <thasti> is the transmission time gps aligned?
[07:57] <thasti> or just about every two minutes?
[07:58] <jededu> Its every 120 secs with some small delays
[07:58] <jededu> Controlled by an external RTC
[07:58] <jcoxon> jededu, do you have a website/blog?
[07:59] <jededu> Not yet but will do
[07:59] <jcoxon> np
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[08:04] <fsphil> whoa still going
[08:06] <jededu> ping upuwork
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[08:16] <UpuWork> morning jededu
[08:18] <jededu> Morning are you dispatching items today I need a couple of M8's for tomorrow
[08:22] <UpuWork> yeah just going through orders now
[08:22] <UpuWork> put an order in and stick special delivery on it
[08:22] <jededu> Ok cool
[08:22] <UpuWork> I'll upgrade you to saturday guaranteed foc
[08:22] <jededu> :)
[08:27] <SA6BSS> you guis have postal service on saturdays?
[08:31] <jededu> Done upu
[08:31] <UpuWork> thx jededu
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[08:45] <jededu> ping det
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[08:52] <dl3yc> hi all
[08:52] <jededu> Hi
[08:53] <dl3yc> i hear edupic8 but can not decode it :/
[08:53] <jededu> Ah ok at least its alive :)
[08:54] <jededu> !payload EDUPICM8
[08:54] <SpacenearUS> 03jededu: Payload 03EDUPIC8 10(29b3) 03$$EDUPICM8 - 03RTTY Only - 03434.65 MHz USB 03RTTY 100/400Hz ASCII-8 none 2
[08:55] <jcoxon> jededu, SP3MCY is in there now
[08:56] <jededu> Nerve racking all this :)
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[09:06] <jcoxon> hehe look what i found in the channel logs
[09:06] <jcoxon> 11/01/2011 [11:59] <fsphil_> it's got great potential for long-duration flights
[09:06] <jcoxon> talking about pico balloons just before the first ever flight
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[09:08] <daveake> fsphil What are the lottery numbers for tomorrow?
[09:10] <fsphil> sadly that's the only accurate prediction I've ever made :)
[09:10] <dl3yc> can someone help me? i have such a good SNR for edupic but dl-fldigi do'nt want to decode it: http://dooce.de/~yc/edupic8_2.wav
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[09:18] <Maxell> SA6BSS: delivery every day even at midnight if you pay for it
[09:19] <Maxell> DHL/UPS etc
[09:19] <Maxell> dl3yc: whats happeing, screenshot of your dl-fldigi please
[09:22] <Maxell> is is set to
[09:22] <Maxell> RTTY, 100, 8N2
[09:23] <dl3yc> http://dooce.de/~yc/edupic_screen.png
[09:23] <dl3yc> yes with auto configure and i checked the settings
[09:23] <jededu> I cant decode that audio file either
[09:23] <dl3yc> ahh
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[09:24] <Maxell> jededu: dl3yc neither do I
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[09:25] <dl3yc> what is wrong with it?
[09:25] <dl3yc> are the first and the last tone high or low tones?
[09:26] <Maxell> Are you using Linux with pulseaudio?
[09:26] <dl3yc> yes
[09:26] <Maxell> I had problems with sampelingrate 44800 to 441o00 etc
[09:26] <Maxell> Try dist-upgrading your system or at least the pulseaudio-related packages
[09:27] <fsphil> edupicm8 was the first flight I've decoded through pulseaudio in a long time
[09:27] <fsphil> they seem to have finally fixed the bugs
[09:29] <Maxell> Yep no problems what so ever at my end anymore. But the audio file was recorded with 8000 Hz samplerate
[09:29] <fsphil> normal enough for fldigi
[09:29] <Maxell> fsphil: oh since I got the roof antenna I used pulseaudio w/ the yaesu
[09:30] <fsphil> same setup I was using
[09:30] <fsphil> I found the 100 baud a bit tricky
[09:31] <Maxell> Begin July this year. Did have the problem before though.
[09:32] <fsphil> hope to send something your way at the end of december
[09:35] Nick change: murb_ -> murb
[09:35] <Maxell> yay
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[09:38] <pc1pcl_work> dl3yc: I am using pulseaudio at my home too, seems to work well even got one green decode earlier this morning eventhough ballon supposedly over the horizon.
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[09:40] <LazyLeopard> Recent linux distributions have been a right royal pain for tracking...
[09:40] <pc1pcl_work> from that screenshot the signal looks a bit weak though, maybe need to mess with the volume settings somewhere. Also, no rig control it looks like, so I guess that 'lsb' setting on screen is bogus?
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[09:41] <pc1pcl_work> might help to set rig to CW instead of USB, depending on what type it is and how the filtering behaves then.
[09:41] <Maxell> pc1pcl_work: yah hes using sdr
[09:41] <Maxell> no
[09:41] <Maxell> it's just rtlsdr
[09:41] <Maxell> but there is no signal on
[09:41] <Maxell> config looks ook
[09:41] <Maxell> signal looks ok
[09:41] <LazyLeopard> Yeah. Havn't managed to get rig control working since I "upgraded" from Ubuntu 12.something...
[09:41] <Maxell> but the pulseaudio resampling bug remains
[09:42] <Maxell> LazyLeopard: oh no single problem here with 14.04
[09:42] <Maxell> Hamlib w/ Yaesu 897d
[09:42] <LazyLeopard> No single problem; just one whole heap of doggie doo...
[09:42] <Maxell> lol
[09:42] <craag> I still get the resampling bug in 14.04
[09:43] <Maxell> "pulseaudio 4.0"
[09:43] <LazyLeopard> The USB handling seems to be utterly borked.
[09:43] <LazyLeopard> ...which screws the audio and the rig control.
[09:43] <pc1pcl_work> only real issue with rigcontrol for me is that I have been to lazy to set up deterministic assignment of /dev/ttyUSB* to the 10 or so different usb-to-serial adapters plugged in.
[09:43] <LazyLeopard> ...and then puleaudio goes and messes further with it.
[09:44] <craag> I have a script that sets up my workspaces and configs once I've nuked and reinstalled - never upgrade ubuntu!
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[09:45] <Maxell> No I would advice against ubuntu
[09:45] Action: Maxell is just too lazy to uninstall it
[09:45] <Maxell> and getsome proper
[09:45] <LazyLeopard> Had no better luck with straight Debian.
[09:45] <craag> It's perfect for me - just avoid the version upgrade process
[09:45] <LazyLeopard> Clean installs not withstanding.
[09:46] <craag> (So I'm planning to stick with 14.04 for a while)
[09:46] <dl3yc> okay i have to check my setup (14.04 too)
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[09:47] <LazyLeopard> May give Debian testing a try, now that it's frozen...
[09:48] <fsphil> fedora 21 ain't looking too bad
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[09:54] <mikestir> edupic sped up a bit then :)
[09:54] <fsphil> had enough of scotland
[09:56] <amell> wow re edupic
[09:57] <amell> anybodys guess which way it will go. funny wind patterns.
[09:58] <amell> !hysplit edupicm8
[09:58] <SpacenearUS> 03amell: HYSPLIT for 03EDUPICM8 - 12http://spacenear.us/tracker/hysplit_cache/141121-04_111166_EDUPICM8.gif
[09:58] <amell> can someone hysplit run?
[09:59] <amell> !hysplit run edupicm8
[09:59] <SpacenearUS> 03amell: You need to be an admin to do that.
[09:59] <lz1dev> !ping edupicm8
[09:59] <SpacenearUS> 03lz1dev: Last contact with 03EDUPICM8 was 034 minutes ago
[09:59] <lz1dev> !hysplit run edupicm8
[09:59] <SpacenearUS> 03lz1dev: Your job has been added to the queue. Check in a few minutes
[09:59] <amell> eternally grateful :)
[09:59] <lz1dev> ill hold you to that
[10:01] <pc1pcl_work> re hysplit: looks like either goes north or south ;)
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[10:01] <amell> !hysplit edupicm8
[10:01] <SpacenearUS> 03amell: HYSPLIT for 03EDUPICM8 - 12http://spacenear.us/tracker/hysplit_cache/141121-09_119870_EDUPICM8.gif
[10:02] <amell> yeah, looks like no real change
[10:03] <amell> i believe that it will go north
[10:04] <pc1pcl_work> south would probbly be nicer for tracking, so I guess Murphy will kick in and take it up to the Baltic states.
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[10:10] <x-f> don't underestimate our and Scandinavian trackers
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[10:13] <Maxell> yeah oz1sky is it amazing setup
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[10:20] <jcoxon> oh wow http://www.raintoday.co.uk/
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[10:25] <lz1dev> https://www.planet.com/
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[10:28] <fsphil> that's a lot of rain incoming
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[10:29] <fsphil> planet labs are doing some very cool stuff
[10:29] <jcoxon> henry works at planet lab
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[10:31] <edmoore> context for new people, where new means not having done hab for the last 8 years - henry is Henry Hallam who was a founder of CUSF
[10:31] <edmoore> and he's been at planet since it was pretty nascent as I understand
[10:32] <jcoxon> :-)
[10:33] <edmoore> I am kind of fond of the notion at CUSF makes a good incubator for people to go into the space industry
[10:33] <jcoxon> i think its a fair thought
[10:35] <jcoxon> edmoore, cusf should make a list
[10:35] <jcoxon> to use in publicity
[10:35] <edmoore> i'm happy to do anything that helps them get sponsorship
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[10:36] <edmoore> i'm not in general keen on the self-aggrandisation of organizations that lean on classical scholarship notions to big themselves up
[10:36] <edmoore> eg
[10:36] <edmoore> the idea of a TED 'Fellow' makes me a bit sick in my mouth
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[10:36] <edmoore> or a google 'alum'
[10:37] <edmoore> but i don't understand the young people anymore so what does it matter
[10:38] <jcoxon> oh bless, you aren't that old edmoore
[10:38] <edmoore> I'm 27
[10:38] <edmoore> only 13 more years to win the fuelds medal
[10:38] <edmoore> fields*
[10:39] <daveake> I'm 2 Ed's then :/
[10:39] <daveake> Well that's cheered me up :/
[10:40] <LeoBodnar> only 2 eds
[10:40] <daveake> Yes only
[10:41] <LeoBodnar> strangely you will get younger when measured in eds
[10:41] <LeoBodnar> unless he dies
[10:41] <LeoBodnar> then you will get older in eds
[10:41] <LeoBodnar> now wral your mind about that one
[10:41] <LeoBodnar> wrap
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[10:43] <lz1dev> http://i.imgur.com/V00TeDk.png
[10:43] <lz1dev> is that their flock?
[10:43] <lz1dev> only 24 sats tho, page says 28
[10:44] <fsphil> we should challange them to image B-64
[10:44] <fsphil> I bet they could do it
[10:44] <lz1dev> they might have already one it :D
[10:44] <fsphil> they'd certainly see it moving against the ground
[10:45] <lz1dev> can they resolve it tho?
[10:45] <craag> depends what depth of field they've gone for I guess
[10:45] <craag> Could be way out of focus
[10:45] <edmoore> lz1dev, there are all sorts up in various stages of re-entry
[10:46] <edmoore> i don't think they have the resolution for b64
[10:46] <edmoore> but they could probably catch a large specular reflection from it
[10:46] <craag> 3 to 5m resolution on the ground apparently
[10:46] <edmoore> enough to count trees
[10:46] <fsphil> ah the balloon is transparant. forgot about that
[10:46] <edmoore> which is useful data
[10:47] <edmoore> or count shipping
[10:47] <edmoore> or basically whatever else you might want to count that you're willing to pay for for your speculation or whatever
[10:48] <lz1dev> http://i.imgur.com/JnbumsS.png
[10:48] <lz1dev> all cube sats currently up there
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[10:54] <edmoore> it's still a pricey business, getting cubesats launched
[10:54] <edmoore> which is a shame
[10:54] <Maxell> lz1dev: ETOOMANYCUBESATS
[10:55] <lz1dev> i can't find 28
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[10:59] <lz1dev> The 26 Flock 1d satellites were lost in a launch failure on the Cygnus CRS-3 mission, when the launch vehicle exploded shortly after lift off. They were to be deployed from the ISS in short-lived 400 km Orbit with an inclination of 52°.
[10:59] <lz1dev> i see
[10:59] <lz1dev> so it's pretty much throw away sats
[11:00] <lz1dev> 26 Flock 1e satellites are manifested to be launched on the Cygnus CRS-4 mission to be launched in 2015 to the ISS.
[11:04] <fsphil> I wonder if it's cheaper to launch lots of small satellites in these low short lived orbits, or larger sats with bigger optics in a higher orbit
[11:04] <edmoore> the market is too noisy to give a good answer
[11:04] <edmoore> not enough launch opportunities
[11:05] <edmoore> not enough launchers
[11:05] <edmoore> it's going to be a lot cheaper to ride as a secondary on a launch of a big sattelite, almost always
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[11:06] <lz1dev> fsphil: the thing with cubesat is taht they are small
[11:06] <lz1dev> and there is usually space for them on rockets
[11:07] <edmoore> sure, but there are all sorts on constraints with that
[11:07] <lz1dev> i knew a group people that wanted to make a 1U
[11:07] <lz1dev> and they had an opportunity for a free launch essentually
[11:07] <edmoore> and one approaches a crossover point where it's worth buying the whole launcher yourself to put your large deployment of cubesats into the right orbits, on your tersm
[11:08] <lz1dev> most of those sats are one offs
[11:08] <edmoore> but you'd have to be extremely strategic and know the right people for that to ever work, at the moment
[11:08] <lz1dev> its like wather sondes
[11:08] <edmoore> to purchase yourself an entire ex-soviet icbm or something
[11:08] <lz1dev> lol
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[11:08] <lz1dev> and that's how WW3 begins
[11:09] <lz1dev> i tried to launch a cubesat
[11:09] <fsphil> or put them all on an experimental test rocket
[11:09] <edmoore> the other thing is people say launchers as $20k/kg so therefore a cubesat must cost $20k to launch
[11:09] <edmoore> this is all total guff
[11:09] <edmoore> if you want to launch 1 tonne it might work out at 20k/kg, but that includes the 200k of time/paperwork to approve it all, regardless of what you launch
[11:09] <edmoore> someone has to do that
[11:09] <lz1dev> as i said cubesats are one offs
[11:10] Action: amell thinks recruitment agencies should receive ICBMs.
[11:10] <lz1dev> they are thrown in easy orbits where they decay eventually
[11:10] <edmoore> you might find your local friendly space agency has offered to absorb that cost, or you might not
[11:10] <lz1dev> there is no altitude control or anything
[11:10] <edmoore> cubesats aren't really 1-offs anymore
[11:10] <lz1dev> but they are
[11:10] <edmoore> this is all not true anymore lz1dev
[11:10] <edmoore> it was true in the beginning
[11:10] <edmoore> now there are cubesats with attitude control being deployed in constellations to do things
[11:11] <edmoore> even in 1u, and certainly loads up in 3u
[11:11] <lz1dev> its a 10x30cm cube
[11:11] <lz1dev> how much altitude control can you have on that>
[11:12] <edmoore> enough to point accurately to within a few arcseconds for earth observation
[11:12] <edmoore> since you ask
[11:12] <craag> attitude / altitude
[11:12] <edmoore> yes attitude i assume you meant
[11:12] <lz1dev> cheeky cubesats :P
[11:13] <craag> he said altitude
[11:13] <edmoore> sure
[11:13] <fsphil> no small ion drives yet?
[11:13] <edmoore> but 'altitude control' is not really a thing in sattelite land
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[11:14] <lz1dev> what
[11:14] <edmoore> there are some pulsed plasma thrusters for cubesats
[11:15] <edmoore> they discharge a cap across a block of teflon or similar, and the arc vapourises a tiny bit of the teflon
[11:15] <edmoore> accelerating it
[11:15] <edmoore> and you get your momentum exchange from that
[11:15] <fsphil> oh that's cute
[11:16] <lz1dev> you still need fuel
[11:16] <edmoore> the teflon
[11:16] <edmoore> that's the propellant
[11:17] <lz1dev> but it runs out eventually
[11:17] <edmoore> yes
[11:17] <edmoore> same with any rocket propulsion system
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[11:20] <superkuh> Estcube-1 deployed a conductive hoytether. It's a step in the right direction.
[11:21] <superkuh> (away from rocket propulsion)
[11:21] <edmoore> those are just for electrostatically increasing drag for de-orbit though, I thought?
[11:21] <SpacenearUS> New position from 03VK3YT-1 after 036 hours silence - 12http://habhub.org/mt/?focus=VK3YT-1
[11:22] <superkuh> That is what Estcube is using it for. Testing deployal, modeling how it behaves in space, etc. But the end goal is electrostatic sails.
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[11:23] <edmoore> i'll believe solar sails when I see them
[11:23] <superkuh> Not photon pressure. Solar wind ion pressure.
[11:24] <edmoore> that's not to say I have any inherent skepticism, it's just a question of getting the engineering down rather than the science
[11:24] <superkuh> I mean, no good for LEO, obviously. But the hoytether systems would apply to electrodynamic maneuvering.
[11:24] <edmoore> sure, sloppy language sorry. magnetic sail
[11:24] <superkuh> It's actually not a mag-sail.
[11:24] <Geoff-G8DHE-Lap> Airspy ARRIVED!
[11:25] <amell> no way
[11:25] <edmoore> but this has deviated from attitude control which doesn't need propulsive systems
[11:25] <amell> no actual way
[11:25] <superkuh> Electrostatic. But yeah, this isn't the point.
[11:25] <edmoore> so cubesats can do attitude control indefinitely
[11:26] <amell> Geoff: sold out? I did preregister but didnt get an email...
[11:26] <superkuh> The email was about 20 hours late.
[11:26] <amell> what a con
[11:26] <superkuh> Nah, just bad communication with the Chinese manufacturer.
[11:27] <amell> Geoff: have you actually got one?
[11:27] <Geoff-G8DHE_> 23 Delivered - Signed for by : G MATHER GATWICK 11:19
[11:27] <Geoff-G8DHE_> 1 Pieces
[11:28] <M6XIMan> Geoff-G8DHE_: Awesome!
[11:28] <M6XIMan> (so jealous)
[11:28] <amell> ive been waiting for that, there was supposed to be a notification email when preorders were starting.
[11:28] <Geoff-G8DHE_> https://www.facebook.com/groups/269871649792148/permalink/676920072420635/
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[11:28] <Geoff-G8DHE_> Excuse me whilst I remove all the wrapping!
[11:30] <amell> Dont mind us&
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[11:34] <gonzo_> you need to do some nausiating YT unboxing
[11:34] <Geoff-G8DHE_> Drivers installed
[11:35] <amell> need a will it blend video
[11:39] <Geoff-G8DHE_> http://360.g8dhe.net/HAB_Flights/2014_Flights/Airspy_20141121/
[11:40] <Geoff-G8DHE_> Need to twiddle the gains I reckon
[11:40] <prog> set the IF gain to 5
[11:43] <Maxell> Geoff-G8DHE_: wwowowow airspy ? :D
[11:43] <Maxell> nice
[11:45] <Geoff-G8DHE_> Noise flr about -80db compared to rtl-sdr at -55db
[11:46] <prog> change the usb port
[11:46] <prog> and crank the fft resolution a bit (32k is fine)
[11:47] <craag> s/n is roughly the same as the e4000 in those pics ?
[11:47] <craag> same at the rtl rather
[11:47] <prog> it should be better
[11:47] <craag> that's what I thought..
[11:47] <Geoff-G8DHE_> Give us a chance don't normally use SDR# !
[11:48] <Geoff-G8DHE_> The signal is a local low power FM Band Tx, lets try it on other bands
[11:49] <fsphil> Geoff-G8DHE_: take it apaaat
[11:49] <Geoff-G8DHE_> That comes later ;-)
[11:49] <Geoff-G8DHE_> need some reference points first!
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[11:59] <Maxell> ten times the duration, they say... https://plus.google.com/+ProjectLoon/posts/dqHoYWHjHxy
[12:00] <LeoBodnar> "our current record is 130 days"
[12:01] <Maxell> "Get on my level"
[12:02] <Maxell> :)
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[12:06] <LeoBodnar> B-64 is 131 :)
[12:07] <Geoff-G8DHE_> Congrats LeoBodnar
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[12:08] <prog> Geoff-G8DHE-Lap: use 10msps with decimation
[12:08] <Geoff-G8DHE_> Yes just trying various permutations out
[12:10] <prog> you also need a real antenna hehe
[12:10] <prog> you're just collecting the local noise
[12:11] <Geoff-G8DHE_> No thats on a 2m/70cms co-linear
[12:11] <prog> ew.
[12:16] <Maxell> Geoff-G8DHE_: uhh do you hear a pop every 1 second (am)?
[12:16] <Maxell> thats pretty nasty yeah
[12:17] <Geoff-G8DHE_> No pops ?
[12:17] <amell> B-64 should reappear late afternoon
[12:17] <Geoff-G8DHE_> Noise levels around here are quite high being in middle of a town
[12:18] <Maxell> Oh ok I remember therostats clicking every second all over the vhf 2 meter etc
[12:18] <Maxell> Oh here it's just HF
[12:18] <Maxell> thats swampt
[12:18] <amell> I didnt know this but most street lights in essex use 868mhz for street light network&
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[12:21] <Maxell> amell: wonder how easy to jam/send bogus information :)
[12:33] Action: daveake plans an 868 flight over Essex
[12:34] <UpuWork> yeah they do I heard that from my account manager at arrow
[12:35] <prog> Geoff-G8DHE_: any traces of overloading?
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[12:37] <SpacenearUS> New vehicle on the map: 03nikhil_chase - 12http://habhub.org/mt/?focus=nikhil_chase
[12:37] <Geoff-G8DHE_> NO overloading is a lot better as was hoped for.
[12:37] <jcoxon> edupic is hurtling along
[12:37] <Geoff-G8DHE_> Just got a low frequency burble at present
[12:37] <prog> usb noise..
[12:37] <prog> or your psu.
[12:38] <Geoff-G8DHE_> about 3-5Hz might be USB doesn't show up on the RTL devices nor is it pSU
[12:38] <prog> it's 20dB lower
[12:38] <Geoff-G8DHE_> whats 20db lower ?
[12:40] <prog> the ADC in airspy has more resolution and lower pp range
[12:40] <prog> this allows tuning lower signals without cranking the gain in the tuner (hence no overloading)
[12:40] <Geoff-G8DHE_> Yup that's why I wanted one!
[12:40] <prog> but you need to have a good shielded PC.
[12:41] <prog> the shielding is at its max on the airspy side..
[12:41] <Geoff-G8DHE_> The PC is well shielded, RF from the computers isn't a problem
[12:41] <prog> here it's LF ..
[12:41] <prog> low frequency noise
[12:42] <prog> as we tested, some usb ports are noiser than others
[12:42] <Maxell> prog: is there anything you can do when I take out the main breaker and the noise is still there? :P
[12:42] <prog> you won't have it.
[12:42] <prog> in the worst case, crank the IF level
[12:43] <prog> Geoff-G8DHE_: got some nice SNR yet?
[12:44] <prog> I sould finish the quick start document. people are not used to three gain stages in SDR
[12:45] <Geoff-G8DHE_> That's what I'm playing with at the moment
[12:45] <Geoff-G8DHE_> http://360.g8dhe.net/HAB_Flights/2014_Flights/Airspy_20141121/index.php?ind=0
[12:46] <prog> no images?
[12:46] <nats`> nice one Geoff-G8DHE-Lap !
[12:46] <nats`> nice one Geoff-G8DHE_
[12:46] <Geoff-G8DHE_> Sry ? prog
[12:47] <prog> I mean aliases and images
[12:47] <prog> "signals that shouldn't be there"
[12:47] <Maxell> takes some getting used to
[12:47] <jarod> why do you guys all have these empty bands?
[12:48] <Geoff-G8DHE_> Ah I see nothing that I've spotted so far, having just put the Pics up I thought you meant you had no images showing ;-)
[12:48] <jarod> i will scare the hell out of you guys with my FM band screenshots :P
[12:48] <prog> http://360.g8dhe.net/HAB_Flights/2014_Flights/Airspy_20141121/C360_2014-11-21-12-12-24-155_org.jpg
[12:48] <prog> nice one.
[12:48] <Geoff-G8DHE_> Its just that there consistent
[12:50] <Geoff-G8DHE_> horrible unflitered mux signal on the Tx, given its about 1m away not suprising!
[12:50] <jarod> http://x264.nl/dump/fmband-no-gaps.jpg lol
[12:50] <jarod> i have at least 20dB signal on each frequency
[12:51] <prog> always choose 10msps over 2.5 when you have the processing power
[12:51] <prog> then use the decimation to reduce the range.
[12:51] <prog> that gives 90 to 110 dynamic range
[12:52] <Maxell> no reason to paddle back on sample rate
[12:52] <Maxell> just let that baby scream
[12:52] <Maxell> oh man I already regret not buying this gadget
[12:53] <Maxell> However, soon..........
[12:53] <prog> you will have to wait the components
[12:54] <prog> for*
[12:55] <Maxell> components?
[12:55] <Maxell> oh, the new batch
[12:56] <Maxell> sure
[12:56] <Maxell> no biggie
[12:56] <Maxell> This makes me more excited :)
[12:57] <jarod> Maxell you can buy my second one for ¬998 (prog sells his for ¬999)
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[12:58] <Maxell> How about "nope"
[12:59] <Maxell> AirSpy diamond edition :)
[13:03] <prog> Geoff-G8DHE_: now the real tests.. how does it behave in the 70cm band?
[13:06] <Laurenceb> so if B-64 > loon, it really does look like longest flight since 1973
[13:06] <prog> jarod: mine is priceless.
[13:16] <Maxell> prog: even not ¬1337,- ? :)
[13:16] <Maxell> s/even not/not even/
[13:16] <prog> http://sdrsharp.com/downloads/airspy_field_testing.jpg
[13:16] <prog> this one.
[13:17] <prog> good times.
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[13:22] <LeoBodnar> does this antenna not need a counterpoise or GP?
[13:23] <prog> not at 800MHz
[13:23] <prog> the alu box is sufficient
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[13:28] <SpacenearUS> New position from 03B-64 after 0315 hours silence - 12http://habhub.org/mt/?focus=B-64
[13:28] <Laurenceb> wot
[13:28] <Laurenceb> spot on
[13:30] <Maxell> 13:17:54 < amell> B-64 should reappear late afternoon
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[13:37] <Laurenceb> google getting pwned
[13:37] <lz1dev> just as it hit sunrise
[13:37] <lz1dev> as expected
[13:38] <Laurenceb> yeah, vertical panels are best in winter
[13:39] <Laurenceb> in fact just swapping the existing panels to vertical orientation would give same output at 60N as horizontal panels at 35N
[13:40] <Geoff-G8DHE-Tab> Just having some lunch, will be back in the shack shortly.
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[13:57] <SpeedEvil> Laurenceb: the simplest way to alter the effective panel config is just to fly at 50S for the next several months
[13:58] <Laurenceb> heh
[13:59] <Geoff-G8DHE_> Well that burble seems to have departed from the Airspy/band not tottaly sure where it was coming from
[13:59] <Geoff-G8DHE_> just need some signals on 70cms to track! Maybe some Sondes about at this time
[13:59] <amell> ooh b-64 appeared a couple of hours earlier than i expected.
[14:00] <Oddstr13> Geoff-G8DHE_: the screenshots are horribly compressed :/
[14:00] <prog> Geoff-G8DHE_: try some weak signals please
[14:00] <Oddstr13> either set quality to 100%, or use png
[14:00] <amell> !hysplit run b-64
[14:00] <SpacenearUS> 03amell: You need to be an admin to do that.
[14:01] <amell> yeah yeah
[14:02] <craag> !hysplit sudo run b-64
[14:02] <SpacenearUS> 03craag: No HYSPLIT for that callsign
[14:02] <craag> heh worth a try
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[14:04] <M6XIMan> I would invest in an airspy if it wasn't for this QRM I now have 24/7: http://imgur.com/yzpIcft
[14:04] <jcoxon> wow M6XIMan what is that?
[14:04] <amell> looks severe
[14:04] <M6XIMan> That's a really good question
[14:05] <M6XIMan> Appeared a couple of weeks ago
[14:05] <M6XIMan> It's definitely very local, as I can set the rtlsdr gains to zero and still receive it
[14:05] <amell> can you localise it?
[14:05] <M6XIMan> I have a Baofeng GT-3 and a yagi, so yes
[14:05] <Maxell> amell: quite hard in the big city
[14:05] <Geoff-G8DHE_> Oddstr13, Are you looking at the thumbnails ? Click the image at the top dor fullsize image ...
[14:05] <M6XIMan> I will go hunt it down tomorrow
[14:06] <M6XIMan> I suspect it's something on a large building site just up the road
[14:06] <amell> do you think its a data stream?
[14:06] <M6XIMan> It sounds like a datastream
[14:06] <Oddstr13> Geoff-G8DHE_: I was refering to the JPEG artifacts.. I mean, just look at the waterfall here http://360.g8dhe.net/HAB_Flights/2014_Flights/Airspy_20141121/Recorded_audio.JPG
[14:07] <amell> try transmitting a few watts at that frequency& see what happens.
[14:07] <Oddstr13> seems to me you're on about 60% quality or some such
[14:07] <mattbrejza> that looks like its going to be more than 10mW though...
[14:07] <M6XIMan> amell: QRM the QRM? ;)
[14:07] <amell> well yes, see what happens, maybe a crane will stop
[14:07] <amell> could it be a video sender?
[14:07] <M6XIMan> "the accident occured when a local man keyed up his radio"
[14:08] <Maxell> JPEG image data, JFIF standard 1.01
[14:08] <Geoff-G8DHE_> Have you clicked the upper image for full size ?
[14:08] <Maxell> M6XIMan: "ISM frequency, deal with it"
[14:08] <Geoff-G8DHE_> Looks just like what is on screen here!
[14:08] <M6XIMan> Maxell: I may have to "deal with it". I have large cable cutters.
[14:09] <M6XIMan> Besides, just how difficult could it be to build a functional EMP?
[14:09] <Maxell> M6XIMan: nah, thats just wrong :(
[14:09] <Maxell> Try to be the friendly neighbour.
[14:09] <Maxell> Works for me...
[14:10] <M6XIMan> But... but... I'm a HAM operator! I have a licence and everything!
[14:10] <Oddstr13> Geoff-G8DHE_: Might be just me that is really sensitive to the jpeg artifacting.. I can assure you, it does /not/ look that bad on your monitor ;)
[14:11] <mfa298> M6XIMan: the HAM Operator license only allows you to be unfriendly to your neighbours by not practising personal hygene for weeks at a time and constantly talking about medical problems
[14:11] <Maxell> Oddstr13: jpeg for full size screenshots, why...
[14:12] <Laurenceb> lol
[14:12] <Oddstr13> Maxell: duno, I have my screenshot program set to png
[14:12] <daveake> HAM = Halitosis & Medical ?
[14:12] <mfa298> daveake: :D
[14:12] <M6XIMan> "I know, it's been terrible weather here. And I've just developed pluracy."
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[14:16] <Maxell> M6XIMan: do you have an audio sample in fm and usb?
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[14:16] <Maxell> there might be some clues based on "what" it is
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[14:19] <Geoff-G8DHE_> Oddstr13, There is a .png to compare up there now no difference that I c an see!
[14:21] <Maxell> lemme checkj
[14:21] <Oddstr13> Geoff-G8DHE_: Well, I can see it :P
[14:21] <prog> Geoff-G8DHE_: add more fft resolution and lower the s-attack/s-decay
[14:21] <Geoff-G8DHE_> I guess your always going to be visually dissapponited then!
[14:22] <Oddstr13> Geoff-G8DHE_: the difference I mean >.<
[14:22] <Oddstr13> there's no jpeg artifacts in the png
[14:23] <Oddstr13> http://360.g8dhe.net/HAB_Flights/2014_Flights/Airspy_20141121/Airspy%20FM%20band.JPG you can clearly see heavy jpeg artifacting around the signals on the waterfall here
[14:24] <Geoff-G8DHE_> Probably your browser then if your seeing it on everything
[14:25] <Oddstr13> could I have the exact same screenshot in both formats?
[14:26] <Oddstr13> preferably of a relativly dark waterfall with signals on it, like the fm one
[14:26] <Geoff-G8DHE_> No 'cause im playing with the Airspy, not sodding about with images
[14:28] <prog> try on sonde signlals
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[14:31] <DL7AD> afternoon
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[14:41] <Oddstr13> http://puu.sh/cZHCT/e809c4d941.png XOR of the raw screenshot, and saved to jpeg at 95% quality
[14:44] <Oddstr13> http://puu.sh/cZHNR/af19aac79b.png and this is 80%
[14:47] <amell> why does it matter?
[14:47] <prog> man, the spectral information is the same.
[14:47] <prog> it's not like it was blurring signals
[14:47] <Maxell> Geoff-G8DHE_: compare the sdr# logo on your jpeg and the png.
[14:48] <Maxell> Oddstr13: sick!
[14:49] <Oddstr13> prog: I guess it just annoys me that image quality is totaly sacrificed for a few kB of storage space
[14:49] <Maxell> yeah
[14:49] <Maxell> it's a one way trip to compression hell
[14:50] <prog> well. I always export screenshots as png. photos -> always jpg
[14:50] <Maxell> for some screenshots you are even better off using png than jpg
[14:50] <Maxell> prog: yeah, thats how it works
[14:50] <Oddstr13> http://puu.sh/cZI6m/1656199154.jpg http://puu.sh/cZI7o/555bf11d74.png jpeg at 80% and the png
[14:51] <Maxell> 210.66 KB (215,717 bytes) vs 197.96 KB (202,713 bytes)
[14:52] <Maxell> and yes, the 210 one is the jpeg!
[14:52] <prog> I'm more curious about the test results because I never tested airspy with sondes.
[14:52] <Maxell> hah
[14:52] <prog> tested on tough environments. but not sondes.
[14:53] <Maxell> Weather sondes are not tough :)
[14:54] Action: Oddstr13 tunes to 28.076 MHz
[14:55] <Maxell> Oddstr13: if you are into fast digimodes you are going to have a bad time :P
[14:55] <Maxell> JT65 whoohoo \o/
[14:55] <Oddstr13> indeed :3
[14:55] <prog> I guess sondes need good LNAs and high gain antennas (directive ones)
[14:55] <Oddstr13> I caught a signal from over 4000 km away a few days ago
[14:56] <Oddstr13> with my RTL-SDR and a random wire antenna :P
[14:56] <Geoff-G8DHE_> Nah, at the height they are the have good coverage, not worth using a beam on them
[14:57] <prog> line of sight?
[14:57] <Oddstr13> Maxell: I love how JT65 has error detection and includes grid location in most messages
[14:57] <prog> yep.
[14:57] <Geoff-G8DHE_> Of course until over the horizon normally copy them out to about 300Km
[14:58] <Oddstr13> Maxell: It's a bit late for this stuff tho :/
[14:58] <Maxell> Oddstr13: and almost all clients report back to pskreporter.info
[14:59] <Maxell> Oddstr13: yeah for 10 meters... Try 40 or 80 meters
[14:59] <prog> is phase noise detrimental to good copy?
[14:59] <Oddstr13> Maxell: unfortunatly I don't have the hardware to tune that low
[14:59] <Maxell> oh, just bare rtl-sdr
[15:00] <Oddstr13> the RTL-SDR is all I have for SDR, and my stereo dosn't do SSB :P
[15:00] <Oddstr13> I can tune down to the 12m band, but that dosn't help much :P
[15:01] <Ian_> M6XIman tune in your rig on USB next to the frequency. So it's not on the regular channel spacing and then change mode to FM so that you almost cover the signal and regularly make CQ calls or calls to another callsign. If challenged you are stupid but not malicious, if you can live with that..
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[15:02] <Oddstr13> http://puu.sh/cZIEl/9290fd43d1.png did get a signal from almost 3000 km away tho
[15:02] <Ian_> If it's burbling away 24/7 then is is obviously not site communication, but rather security or camera stuff.
[15:03] <Maxell> "camera stuff"? how would there be suffcient bandwidth?
[15:03] <SpeedEvil> sstv?
[15:03] <ChrisMostert> Hi guys, we have a question. We are planning on launching a HAB this sunday from the Netherlands, North Holland, we are transmitting our position in the following format: $$MEURS,15,15:00:52,5229.16628,00440.95607,46,20.25,20.25,250,7.43*102F and we can decode this using fldigi, but how would we configure this for the HAB mode, so that other
[15:03] <ChrisMostert> s can track it as well and it will appear on the spacenear.us map?
[15:03] <Maxell> Oddstr13: oh check out wsjt(x?) I think thats what most people run these days
[15:04] <Maxell> ChrisMostert: do you have dl-fldigi
[15:04] <ChrisMostert> Yes we do
[15:04] <Oddstr13> Maxell: I kinda liked the log facility of JT65-HF HB9HQX Edition
[15:04] <Maxell> ok "we can decode this using fldigi" confused me
[15:04] <ChrisMostert> We are able to reciebe our position using SDR-sharp and dl-fldigi
[15:04] <Maxell> ChrisMostert: then all you need is a flight document and get it approved
[15:04] <Oddstr13> it logs to a plaintext file :3
[15:05] <ChrisMostert> Is the syntax of our string correct right now?
[15:05] <Maxell> ChrisMostert: OK, and don't forget the mailling list
[15:05] <ChrisMostert> Or do we need to parse it?
[15:05] <Maxell> ChrisMostert: well, you can set that up in the flight document
[15:05] <Maxell> so spacenear.us knows how to extrat the data from your string
[15:05] <ChrisMostert> Alright, thanks. We'll check that out, thanks for you helo!
[15:05] <ChrisMostert> help
[15:05] <Maxell> Geen probleem
[15:06] <Geoff-G8DHE_> See http://habitat.habhub.org/genpayload/
[15:06] <ChrisMostert> :)
[15:06] <Maxell> Also, North Holland is a bit vague :P
[15:06] <Maxell> Do you guys plan on getting the balloon back, etc?
[15:06] <ChrisMostert> Ideally, yes
[15:07] <Maxell> But more important, mail the mailinglist so people know when to tune their radios
[15:07] <ChrisMostert> We wanted to wait to see what the weather conditions are like this sunday for the best place to launch te balloon
[15:07] <ChrisMostert> Where can I find this mailing list?
[15:07] <Maxell> expected landing spot would be east, higher up?
[15:07] <Maxell> https://groups.google.com/forum/?fromgroups=#!forum/ukhas
[15:08] <Maxell> Make sure "Netherlands" is somewhere in the title for maximum effect :P
[15:08] <ChrisMostert> The original plan was to launch it from Ijmuiden, and it calculates to land in Groningen
[15:08] <Maxell> oef thats a bit far out for The Hague here :)
[15:09] <ChrisMostert> We will be chasing the car ourselves, do you mean for recieving the signal?
[15:09] <Maxell> No, recieving will hit the UK
[15:09] <Maxell> Chasing :)
[15:10] <Oddstr13> I wish I was within range of the HABs :P
[15:10] <Maxell> Oddstr13: loc?
[15:10] <ChrisMostert> We are doing this HAB project as a school project, and we have an enthousiastic teacher who is willing to drive us through the Netherlands :)
[15:10] <Oddstr13> JP52AQ
[15:11] <Maxell> ChrisMostert: ok, sounds nice
[15:11] <Maxell> well, OK, check out that flight doc and mail the maillinglist so all dutch stations know whats up
[15:12] <ChrisMostert> How long will it take for a flight document to be approved?
[15:12] <ChrisMostert> Our school project deadline is this sunday but we still need to tinker a bit
[15:12] <Maxell> ChrisMostert: you could go to #habhub and paste the ID there so they can take a look at it
[15:13] <Maxell> Oddstr13: ah, so only B's would be your thing :P
[15:13] <Oddstr13> Maxell: sadly
[15:13] <ChrisMostert> Alright, thanks again, we will do that once we've got everything configured
[15:13] <Maxell> OK!
[15:13] <Oddstr13> or arctic circle 'loons, possibly
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[15:17] <Oddstr13> *sigh* HF seems to be dead for today
[15:17] <Oddstr13> seems to die around 16 local time (15 UTC)
[15:21] Action: Oddstr13 tunes to 131.725 MHz, and immediatly hears this thing http://puu.sh/cZJAi/ff60356ae8.png
[15:21] <Oddstr13> what software do you guys recommend for decoding ACARS?
[15:26] <SpacenearUS> New vehicle on the map: 03MEURS - 12http://habhub.org/mt/?focus=MEURS
[15:27] <Maxell> ChrisMostert: tadah!
[15:31] <ChrisMostert> I see :)
[15:32] <ChrisMostert> Now for the flight documents
[15:32] <ChrisMostert> This is very cool :D
[15:33] <ChrisMostert> Did I accidentally add it to the active flights?
[15:33] <ChrisMostert> We're just testing the payload right now but we were wondering if it was supposed to show up on the map like that
[15:35] <ChrisMostert> We hope we didn't do anything we were not supposed to do.
[15:35] <craag> Any uploads with a valid payload doc will show on the map
[15:35] <jcoxon> but there isn't such a thing as an active flight, people will ignore it
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[15:36] <craag> A flight doc that has been approved will show up in dl-fldigi
[15:36] <craag> and on the launch calendar
[15:36] <Maxell> ChrisMostert: to only see your own ballon use the link http://habhub.org/mt/?filter=MEURS
[15:36] <Maxell> it filters out the rest :P
[15:36] <ChrisMostert> Ah okay, we haven't issued any flight documents yet so it was a surprise to see it on the map already
[15:39] <ChrisMostert> Thanks again for your help Maxell!
[15:40] <Maxell> np
[15:40] <Maxell> oh not sure why it's already on tem
[15:40] <Maxell> the map
[15:40] <craag> Any uploads with a valid payload doc will show on the map
[15:41] <ChrisMostert> Ah okay, thanks for the information.
[15:41] <Maxell> so the payload doc is already ok?
[15:42] <ChrisMostert> Payload doc seems to be working fine
[15:42] <ChrisMostert> We only need to issue the Flight documents still
[15:42] <Maxell> top
[15:43] <ChrisMostert> But we want to wait a bit, our teacher is sick at the moment so we don't know 100% sure this sunday
[15:43] <ChrisMostert> Won't want to issue a flight plan and then not launch the thing
[15:43] <jcoxon> its probably best to issue the flight doc just in case
[15:43] <jcoxon> its one less thing to do and if you don't launch its not problem
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[15:47] <ChrisMostert> Alright, I'll send an e-mail and issue the flight documents. Once I've issued them I need to put the id in #habhub, right?
[15:49] Nick change: day- -> day
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[15:50] <craag> yep
[15:50] <ChrisMostert> Alright, thanks!
[15:50] <craag> and ask kindly for an admin to check them and approve
[15:50] <craag> good luck :)
[15:52] <SpacenearUS> New vehicle on the map: 03_M0XER-4 - 12http://habhub.org/mt/?focus=_M0XER-4
[15:52] <Rebounde1> Oddstr13: win7unix?
[15:53] <SpacenearUS> New vehicle on the map: 03_KJ4GQV - 12http://habhub.org/mt/?focus=_KJ4GQV
[15:54] <SpacenearUS> New vehicle on the map: 03_AETH28-3 - 12http://habhub.org/mt/?focus=_AETH28-3
[15:54] <SpacenearUS> New vehicle on the map: 03_WB8ELK-15 - 12http://habhub.org/mt/?focus=_WB8ELK-15
[15:55] <Rebounde1> Oddstr13: check the osmocom page for link to acars decoder
[16:03] <LeoBodnar> woo AETHER floater is over Spain at 20km
[16:03] <lz1dev> seems like it
[16:06] <lz1dev> hey LeoBodnar
[16:06] <lz1dev> how does the aprs telemetry work
[16:06] <lz1dev> i see you can set a name for each channel
[16:06] <Oddstr13> Rebounde1: Booted into Win7 right now, but I do have Linux too
[16:07] <lz1dev> !hysplit run _AETH28-3
[16:07] <SpacenearUS> 03lz1dev: Your job has been added to the queue. Check in a few minutes
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[16:09] <jcoxon> lz1dev, where did AETH come from?
[16:09] <lz1dev> check #habhub
[16:10] <Laurenceb> how come there are >45k B-64 points on x-f.lv, yet ~23k on habitat?
[16:10] <jcoxon> you need to go back 7 days to find out when it was launched
[16:10] <lz1dev> Laurenceb: diplicates
[16:10] <Laurenceb> ah
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[16:11] <tweetBot> @G8DHE: Received my Airspy today - seem to be the first! Working great! Images http://t.co/BnpIbNWXIb brill dynamic range!! #airspy #ukhas #hamr
[16:11] <lz1dev> wow
[16:11] Action: daveake tries to be patient
[16:11] <lz1dev> this things is flying for at least 7 days
[16:12] <Laurenceb> its from US
[16:12] <Laurenceb> they have flown at least to italy before
[16:12] <Laurenceb> but battery life is limited... or was
[16:12] <jcoxon> daveake, are you taking calming deep breaths
[16:12] <jcoxon> ?
[16:13] <Laurenceb> AETH seem to have cracked >12km superpressure diy envelopes
[16:13] <daveake> trying :)
[16:13] <Laurenceb> id love to know how they are making them
[16:13] <Laurenceb> hmm
[16:13] <Laurenceb> previous AETH had 4 day battery life, maybe they have solar now :D
[16:14] <jcoxon> well its got solar in the data
[16:14] <navrac_2E0VKK> kicking myself as I forgot to place an order.
[16:14] <jcoxon> in a similar arrangement to leo's...
[16:15] <Laurenceb> wait wut
[16:16] <Laurenceb> arko?
[16:16] <Laurenceb> im confused
[16:16] <jcoxon> looking at the voltage is a lipo cell
[16:16] <SpacenearUS> New vehicle on the map: 03AETH28-3 - 12http://habhub.org/mt/?focus=AETH28-3
[16:16] <jcoxon> and hte solar is low voltage so i suspect a step up
[16:16] <Laurenceb> i was confusing AETH with something else
[16:16] <lz1dev> aw crap
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[16:19] <jcoxon> its a bit strange it didn't get picked up a bit earlier
[16:19] <Laurenceb> oh arko is habex
[16:20] <Laurenceb> but it seems to be from JPL
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[16:20] <lz1dev> jcoxon: i really wanted to run autotrack all the time
[16:20] <lz1dev> but there are like a thousand aprs sondes every day
[16:20] <jcoxon> hehe
[16:21] <jcoxon> i think we just need to be vigilant for people we know
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[16:22] <jcoxon> lz1dev, perhaps have a list of known calls
[16:22] <Laurenceb> https://www.facebook.com/w4cue/posts/519459424775864
[16:22] <Laurenceb> ^is this guy
[16:22] <lz1dev> no
[16:22] <lz1dev> i need a blacklist
[16:22] <Laurenceb> http://amsat-uk.org/2014/09/30/help-needed-to-track-144-390-mhz-aprs-balloons/
[16:23] <jcoxon> that was a while ago!
[16:23] <jcoxon> they've moved up their version numbers
[16:23] <lz1dev> maybe he figured out aprs in other places is on 144.8 :)
[16:23] <Laurenceb> wish there was info on their envelope
[16:23] <Laurenceb> heh
[16:24] <Laurenceb> but imo they are too high now :P
[16:24] <Laurenceb> lots of ozone and UV
[16:24] <Rebounde1> Oddstr13: rtl1090 is good
[16:24] <Rebounde1> on win
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[16:34] <UpuWork> ping chrisstubbs
[16:34] <vincentsan> hello guys, craag, are you there ?
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[16:36] <Laurenceb> hmm
[16:36] <craag> vincentsan: pong
[16:36] <Laurenceb> habitat seems to be broken?
[16:36] <Laurenceb> "$$B-64,7665,225947,140718,44.6794,142.0261,12967,7,0,4.15,0.56*F104"
[16:36] <Laurenceb> "$$B-64,3886,070902,140731,48.9751,-11.3097,12666,10,6,3.91,0.52*1D34"
[16:36] <Laurenceb> ^why the huge gap?
[16:36] <vincentsan> craag, check out http://www.up-in-the-air.com/#up2 Thank you for your help ;)
[16:37] <craag> :)
[16:38] <craag> re the voltage divider resistors - we've also seen the variance with temperature when using large values, so will be using ~100K or less from now on.
[16:38] <vincentsan> craag, yep seems more reasonable
[16:39] <craag> nice little payload :)
[16:39] <vincentsan> I was quite impressed by Lora mod
[16:39] <vincentsan> All receptors received all packets
[16:39] <craag> what lora settings did you use?
[16:40] <UpuWork> dinky
[16:40] <UpuWork> p.s use tag connect programming header :)
[16:41] <vincentsan> craag, 62.5k BW, 10 spreading factor and 4/8 coding rate
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[16:42] <vincentsan> UpuWork, yes, Pogo pins are great
[16:42] <UpuWork> there is the AVR version of the tag connect in library
[16:42] <craag> vincentsan: cool
[16:43] <jonsowman> ace tagconnect you say
[16:43] <jonsowman> *avr
[16:43] <jonsowman> interesting
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[16:43] <UpuWork> well its just a normal one with the pins marked up for AVR
[16:44] <jonsowman> oh ok
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[16:45] <UpuWork> all this pic based nomenclature was confusing me so I redid the libaray
[16:45] <vincentsan> yes, and you win precious weight with this: https://www.sparkfun.com/products/11591
[16:45] <UpuWork> nice
[16:46] <jonsowman> $40 r u kiddin
[16:46] <jonsowman> pogo pins it shall be
[16:46] <UpuWork> lol yeah they aren't cheap
[16:46] <UpuWork> but take up way less space
[16:46] <jonsowman> true
[16:47] <vincentsan> party balloon are cheap too ;)
[16:47] <SpeedEvil> http://en.wikipedia.org/wiki/ISIS_neutron_source - at least they're doing worthwhile science.
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[16:48] <vincentsan> what strategy against cold ?
[16:48] <SpeedEvil> Buld the project to take it
[16:49] <vincentsan> hard with the RFM module (rate to -20°C)
[16:49] <vincentsan> everything else should be fine
[16:49] <craag> Insulate the RFM module well is really the only answer
[16:50] <vincentsan> -54°C was in the insulated RFM module...
[16:50] <Laurenceb> http://x-f.lv/dev/habitat-graphs/data/get-data/payload_configuraion? seems to be doing something more than just using habitat export?
[16:50] <Laurenceb> it has more data
[16:51] <vincentsan> and the Lipo cell is also rated only to -20°C
[16:51] <craag> -54 is very very cold for a daylight up-down flight
[16:51] <Laurenceb> who runs x-f.lv?
[16:52] <craag> did you have any other temp sensors on it vincentsan ?
[16:53] <qyx_> Laurenceb: i would say x-f
[16:53] <Laurenceb> oh hes here :P
[16:53] <vincentsan> no, Up3 will have a barometer. Maybe the RFM temp is precise
[16:53] <qyx_> hes's also here
[16:53] <Laurenceb> x-f: how do you access raw data from habhub?
[16:53] <vincentsan> -54°C was during the fall (5m/s)
[16:54] <craag> vincentsan: Ah that would make sense
[16:54] <vincentsan> the fall or the RFM bad precision ?
[16:54] <craag> If you can seal it up any more to avoid the cold air getting in during descent, that would help
[16:54] <craag> Also I'm not sure of the RFMs low temperature accuracy
[16:54] <vincentsan> yep, convection is much more powerfull than conduction
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[16:56] <vincentsan> -47°C just before fall
[16:56] <craag> You're already transmitting as much as you can (which'll generate a bit of heat)
[16:57] <vincentsan> yes, so I have telemetry every 10s
[16:57] <craag> the weak point must be your insulation.
[16:57] <craag> 1s packet every 10s right?
[16:57] <vincentsan> yes, I have to test some other materials
[16:57] <craag> Did the cold cause any noticable problems?
[16:58] <vincentsan> I wonder in what LeoBodnar wrapped B64
[16:58] <vincentsan> Lipo voltage started to drop
[16:59] <craag> yep - leo uses a low-temp variant lipo that helps a bit
[16:59] <SpeedEvil> Also bubble-wrap
[16:59] <SpeedEvil> or is this one naked
[16:59] <vincentsan> Then it burst (hopefully), voltage dropped even more with the cooling of the fall and went up at lower altitude
[16:59] <craag> SpeedEvil: http://www.up-in-the-air.com/#up2
[17:00] <vincentsan> It had a really light bubble-wrap around
[17:00] <vincentsan> Lipo do exist for less than -20°C ? Is it not a technology constraint ?
[17:01] <craag> None of them really work well <-20
[17:01] <craag> Leo relies on the sun to heat his payload up during the day
[17:01] <Laurenceb> it is possible to get lipo that run to -50C
[17:02] <craag> Which works quite well as there isn't as much air up there
[17:02] <Laurenceb> Leo has some
[17:02] <SpeedEvil> http://electronicdesign.com/power/operating-conditions-get-tougher-li-ion-batteries
[17:02] <SpeedEvil> . Boston Power offers cells that specify and support moderate current delivery at 40°C
[17:03] <craag> You can spend more money to get low-temp ones basically - but there'll always be some capacity drop
[17:04] <vincentsan> I see, so the best strategy would be to power down during night and wait for the sun
[17:04] <SpeedEvil> http://www.boston-power.com/products
[17:04] <SpeedEvil> -40 discharge, -20 charge
[17:04] <SpeedEvil> but 95 grams
[17:05] <SpeedEvil> http://www.boston-power.com/products/order-evaluation-cells
[17:05] <SpeedEvil> otoh
[17:07] <vincentsan> yep, its seems that some exist
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[17:08] <vincentsan> have some experienced with any kind of altitude control methods ?
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[17:11] <vincentsan> I'm planning to control the release of the balloon for next flight but they are maybe more general altitude control methods
[17:14] <jededu> Are there any trackers as far down as Romania? if it makes it that far
[17:19] <lz1dev> !hysplit
[17:19] <SpacenearUS> 03lz1dev: HYSPLIT available for: 03B-64, EDUPICM8
[17:19] <lz1dev> !hysplit add _AETH28-3
[17:19] <SpacenearUS> 03lz1dev: Added 03_AETH28-3 to defaults
[17:19] <lz1dev> !hysplit run _AETH28-3
[17:19] <SpacenearUS> 03lz1dev: Your job has been added to the queue. Check in a few minutes
[17:19] <Laurenceb> lz1dev: do you know how x-f is processing the data?
[17:19] <lz1dev> no idea
[17:19] <lz1dev> ask x-f
[17:19] <Laurenceb> there really are twice as many points as on habitat
[17:19] <Laurenceb> away :-/
[17:20] <lz1dev> duplicates i guess
[17:20] <Laurenceb> no
[17:20] <Laurenceb> there are huge gaps in habitat data
[17:20] <Laurenceb> something is wrong
[17:20] <lz1dev> vehicles['B-64'].positions.length
[17:20] <lz1dev> 44921
[17:20] <Laurenceb> hmm
[17:20] <Laurenceb> whats that?
[17:20] <lz1dev> mt
[17:20] <Laurenceb> i was using the csv download
[17:21] <lz1dev> ohhh
[17:21] <Laurenceb> how do you get the data?
[17:21] <lz1dev> some of position might no be going through habitat
[17:21] <Laurenceb> yes
[17:22] <lz1dev> like backlog etc
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[17:23] <Laurenceb> vehicles['B-64'].positions.length <- what is that?
[17:23] <lz1dev> javascript
[17:23] <Laurenceb> can you pastebin the output?
[17:24] <lz1dev> it's just an array of [lat,lng]
[17:24] <Laurenceb> is there altitude?
[17:24] <lz1dev> no
[17:24] <Laurenceb> im after time, lat,long, alt
[17:25] <lz1dev> why not get them from snus?
[17:25] <Laurenceb> where do you get the data from?
[17:25] <Laurenceb> ok
[17:25] <Laurenceb> how?
[17:25] <LeoBodnar> i know mattbrejza knows
[17:25] <LeoBodnar> :D
[17:25] <Geoff-G8DHE_> Habitat doesn't get the APRS data does it, it only gets fed direct to SNUS and the MT
[17:26] <lz1dev> Laurenceb: http://spacenear.us/tracker/datanew.php?type=positions&format=json&max_positions=0&position_id=0&vehicles=BCALLSIGN
[17:26] <lz1dev> set the callsign at the end
[17:27] <Laurenceb> aha thanks
[17:27] <Laurenceb> what formats are available?
[17:28] <lz1dev> json and kml
[17:28] <Laurenceb> boo
[17:28] <Laurenceb> ill have to convert to csv
[17:28] <lz1dev> shouldn't take you more than minute to do
[17:29] <Laurenceb> <- javascript n00b
[17:32] <lz1dev> do you have python?
[17:32] <mattbrejza> i know something?
[17:33] <Laurenceb> yes
[17:33] <mattbrejza> i know how to get all the data that got sent to habitat but but have been missed due to flight doc issues
[17:33] <mattbrejza> but not if it was sent directly to snus
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[17:38] <lz1dev> Laurenceb: got a one liner for you
[17:39] <lz1dev> python -c "import json,urllib;a=json.load(urllib.urlopen('http://spacenear.us/tracker/datanew.php?type=positions&format=json&max_positions=0&position_id=0&vehicles=B-64'))['positions']['position']; a = ['%s,%s,%s,%s'%(p['server_time'],p['gps_lat'],p['gps_lon'],p['gps_alt']) for p in a]; print '\n'.join(a);" > b64.csv
[17:39] <Laurenceb> thanks
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[17:40] <lz1dev> you should probably change 'server_time' to 'gps_time'
[17:41] <Laurenceb> works perfectly :D
[17:47] <SpeedEvil> :)
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[18:00] <x-f> Laurenceb, i don't care about the flight doc, only payload doc (like snus) - that should be the only difference if you compare to habhub export and select a flight and a payload, not just payload
[18:00] <Laurenceb> i see
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[18:11] <Laurenceb> ok im hysplitting the missing data
[18:11] <Laurenceb> hopefully i dont get banned this time
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[18:18] <SpacenearUS> New vehicle on the map: 03SP8TOM_chase - 12http://habhub.org/mt/?focus=SP8TOM_chase
[18:24] <pnephos> Hello, do you know where can I find the details of the string that I have to send via radio module so that it can be well interpreted and shown on screen by dl-fldigi?
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[18:25] <pnephos> I know that the string has to start with $$ and that data must be separated by commas, but just that.
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[18:28] <craag> !wiki Communication Protocol
[18:28] <SpacenearUS> 03craag: No results for your query
[18:28] <craag> !wiki Communication
[18:28] <SpacenearUS> 03craag: Found 0321 results for you query - 12http://ukhas.org.uk/start?do=search&id=Communication
[18:28] <craag> pnephos: http://ukhas.org.uk/communication:protocol
[18:29] <pnephos> Thanks!
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[18:42] <LeoBodnar> this one should due soon http://aprs.fi/#!mt=roadmap&z=5&call=a%2FAETH28-4&timerange=604800&tail=604800
[18:43] <arko> he never got back to me :/
[18:43] <arko> emailed him
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[18:43] <mattbrejza> is it changing frequency now?
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[18:46] <LeoBodnar> what do you expect, they are using aadamson trackers [16:14] <jcoxon> in a similar arrangement to leo's...
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[18:48] <Laurenceb> did it freeze or go out of tfrequency range?
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[18:49] <Laurenceb> LeoBodnar: are there any details of the balloon online?
[18:49] <mattbrejza> if only someone lived nearby who could have had a cheeky look...
[18:49] <Laurenceb> heh
[18:51] <Laurenceb> they dont seem to have low temp lipos
[18:52] <LeoBodnar> whoosh http://aprs.fi/telemetry/a/AETH28-3?range=day
[18:52] <LeoBodnar> only -45C
[18:53] <Laurenceb> oops
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[18:57] <SpacenearUS> New vehicle on the map: 03PS-25 - 12http://habhub.org/mt/?focus=PS-25
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[19:01] <SpacenearUS> New vehicle on the map: 03EDUPIC9 - 12http://habhub.org/mt/?focus=EDUPIC9
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[19:11] <SpacenearUS> New vehicle on the map: 03PS-26 - 12http://habhub.org/mt/?focus=PS-26
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[19:29] <jededu> $$$EDUPIC9,108,19:28:38,5232.31909,-00152.67946,07,145.6,0,0,22,1.4*01C0 padding fixed
[19:35] <jededu> !hysplit EDUPICM8
[19:35] <SpacenearUS> 03jededu: HYSPLIT for 03EDUPICM8 - 12http://spacenear.us/tracker/hysplit_cache/141121-16_126597_EDUPICM8.gif
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[21:16] <Geoff-G8DHE_> hehe B-64 about to overfly New York at 80mph!
[21:18] <kc2pit_> I'm waiting in Buffalo. Haven't had a chance to hear ol' -64 directly.
[21:18] <kc2pit_> Well, it looks like it went nearish once, but I must not have been watching when that happened.
[21:19] <Geoff-G8DHE_> Sounds a bit chilly and white in Buffalo according to the news ?
[21:19] <kc2pit_> Not much chillier than normal, and the whiteness is distributed very unevenly. I've got less than a foot of snow near me. Ten miles south, you can't find cars under the stuff.
[21:20] <Geoff-G8DHE_> Ah if we believed the news then the whole NE is under 10-20 feet of snow !
[21:20] <theRealSIbot> In real units: 20 ft = 6.10 m
[21:22] <kc2pit_> There's a region south of Buffalo that gets that sort of treatment on a regular basis. It's somewhat sparsely populated for reasons you can probably imagine. The wind patterns took Lake Erie's anger a bit further north than usual this time.
[21:22] <Geoff-G8DHE_> Ah I see KC2PIT-3 is that you ?
[21:22] <jededu> EDUPICM8 may last untill morning :)
[21:23] <kc2pit_> Not the 3-6m version, but "ski country" is generally up to a meter by the new year.
[21:23] <kc2pit_> Yeah, that was me.
[21:23] <Geoff-G8DHE_> Oh yes updated 234days ago!
[21:24] <kc2pit_> Yep. 'Twas a fun day. Two days if you count until it was recovered.
[21:24] <kc2pit_> [grumble grumble damn trees being taller than damn human arms]
[21:25] <Geoff-G8DHE_> dusk approaching B-64 I see
[21:26] <Geoff-G8DHE_> battery not looking to good either
[21:26] <kc2pit_> Yeah, dropped about 10C since I started watching the tracker, oh, an hour ago?
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[21:27] <DL7AD> evening
[21:28] <DL7AD> D-6 does not appear on the map
[21:28] <DL7AD> !hysplit EDUPIC8
[21:28] <SpacenearUS> 03DL7AD: No HYSPLIT for that callsign
[21:28] <Geoff-G8DHE_> Is it not tomorrow ? or are you testing ?
[21:28] <DL7AD> currently testing
[21:29] <DL7AD> but the flight should go tomorrow
[21:29] <DL7AD> hopefully there's sun
[21:29] <DL7AD> for the solar balloon
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[21:31] <DL7AD> hi jcoxon
[21:31] <jededu> !hysplit EDUOICM8
[21:31] <SpacenearUS> 03jededu: No HYSPLIT for that callsign
[21:32] <jededu> ! HYSPLIT EDUPICM8
[21:32] <jededu> !hysplit EDUPICM8
[21:32] <SpacenearUS> 03jededu: HYSPLIT for 03EDUPICM8 - 12http://spacenear.us/tracker/hysplit_cache/141121-16_126597_EDUPICM8.gif
[21:32] <pc1pcl> ah, ah green.s]
[21:33] <pc1pcl> oops.. misclick..
[21:33] <jcoxon> hey DL7AD
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[21:46] <jededu> EDUPICM8 > 60 hours :)
[21:55] <jcoxon> good work jededu
[21:55] <jcoxon> back in the day you'd be considerably out of range of a listening station
[21:55] <jcoxon> but these days there are more stations outside the uk then inside
[21:56] <jcoxon> i sometimes think that if we hadn't called ukhas - UKhas then we'd have a world wide society
[21:56] <jcoxon> (not that we don't have one already as everyone is welcome)
[21:57] <DL7AD> D-6 will be launched tomorrow at about 8 utc (if possible)
[21:58] <jcoxon> DL7AD, is this the solar balloon?
[21:58] <DL7AD> yes
[21:58] <jcoxon> excellent - will follow its progress online
[21:58] <DL7AD> all pictures can be deleted
[21:59] <DL7AD> we have two trackers. the byonics AIO tracker. but it has a weight of 500g itself.
[21:59] <jededu> Yes jcoxon I really appreciate the time everyone has taken to track it
[22:00] <DL7AD> mine (gps and ssdv) with radar refletor does only 430g weight
[22:01] <jededu> The next step has to be APRS
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[22:02] <jededu> The solar board is ready but without trackers there isnt much point
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[22:04] <DL7AD> https://www.dropbox.com/s/48i94oe8ln03ed3/IMG_20141121_230157.jpg?dl=0
[22:04] <DL7AD> https://www.dropbox.com/s/5gkuxbnluhz35j7/IMG_20141121_230135.jpg?dl=0
[22:04] <DL7AD> its a team containing about 20 members
[22:04] <DL7AD> the balloon is already build for 5 hours
[22:04] <DL7AD> and still unfinished
[22:04] <arko> are you guys taping it together?
[22:05] <arko> at the seams?
[22:09] <DL7AD> yes we do
[22:09] <DL7AD> @arko
[22:10] <DL7AD> takes a lot of time
[22:10] <arko> is this for hot air?
[22:10] <DL7AD> the balloon guess contains 150qm
[22:10] <arko> for pressure?
[22:10] <DL7AD> yeah
[22:11] <arko> oh ok, i was gonna say, i'd be worried about leaks at those tape seams
[22:11] <DL7AD> yes thats no problem
[22:11] <DL7AD> theres a hole at the bottom anyway
[22:12] <arko> cool
[22:12] <arko> good luck
[22:12] <DL7AD> thanks
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[22:44] <mattbrejza> is the usual altitude above ellipsoid or above mean sea level?
[22:44] <mattbrejza> for hab
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[22:46] <kc2pit_> Yay, finally heard M0XER-4. With a very unhappy-looking battery. Wonder how long into the night it'll last.
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[23:15] <Maxell> kc2pit_: is the battery dead?
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[23:40] <kc2pit_> Seems to be holding up. 2.998V, -48.4C, and still transmitting.
[23:41] <kc2pit_> I'm amazed that you can still squeeze the odd coulomb out of a lithium battery that cold.
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[23:41] <DL7AD> https://www.dropbox.com/s/owq0lsye3ec75lz/IMG_20141122_003431.jpg?dl=0
[23:42] <DL7AD> https://www.dropbox.com/s/j5n7el20835t7kz/IMG_20141122_003427.jpg?dl=0
[23:42] <DL7AD> https://www.dropbox.com/s/h6v411itw0kdj4i/IMG_20141122_003312.jpg?dl=0
[23:42] <DL7AD> balloon D-6
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[23:43] <kf7fer> Wow! Now that's a balloon!
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[23:43] <DL7AD> kf7fer: yeah :D i was myself amazed how big it is
[23:44] <DL7AD> now everyone is dacing to the music inside the balloon :D
[23:44] <kf7fer> Just need 98 more.... or does that expose just how old I am?
[23:45] <kf7fer> what sort of payload goes along with that envelope?
[23:45] <DL7AD> :D
[23:45] <kf7fer> more than 11g I'd expect ;-)
[23:45] <DL7AD> ?
[23:46] <kf7fer> (was just thinking music and german balloons... like 99 of them is all)
[23:46] <DL7AD> yeah :D
[23:46] <DL7AD> gps + ssdv
[23:47] <DL7AD> and radar reflector
[23:47] <DL7AD> 430g
[23:47] <DL7AD> the balloon has a weight of 3500g
[23:47] <DL7AD> ah okay
[23:48] <kf7fer> so where are you flying from?
[23:49] <DL7AD> wolfenbüttel (center of north germany)
[23:50] <DL7AD> we will launch in the morning
[23:50] <DL7AD> 8 utc hopefully
[23:51] <kf7fer> cool! good luck!
[23:52] <DL7AD> thanks :)
[00:00] --- Sat Nov 22 2014