highaltitude.log.20160901

[00:03] <SpacenearUS> New vehicle on the map: 03BALLOONOLO-CHASE_CAR - 12https://tracker.habhub.org/#!qm=All&q=BALLOONOLO-CHASE_CAR
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[04:28] <SpacenearUS> New position from 03M0SBU-10 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=M0SBU-10
[04:28] <SpacenearUS> New position from 03UBSEDS20 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=UBSEDS20
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[04:49] <SpacenearUS> New vehicle on the map: 03BALOON-11 - 12https://tracker.habhub.org/#!qm=All&q=BALOON-11
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[06:35] <SpacenearUS> New position from 03K6RPT-11 after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=K6RPT-11
[06:37] <PE2BZ> !payload K6RPT-11
[06:37] <SpacenearUS> 03PE2BZ: Can't find a flight doc matching your query
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[07:17] <SpacenearUS> New vehicle on the map: 03CALLSIGN123_chase - 12https://tracker.habhub.org/#!qm=All&q=CALLSIGN123_chase
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[08:04] <jakeio> Would anyone happen to know roughly what price AirProducts and BOC charge for Helium and Hydrogen per cubic meter if you purchase directly from them?
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[08:09] <edmoore> Their sales reps would
[08:09] <edmoore> They have phones too
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[08:13] <Vaizki> I got me a new phone btw, one of these :) http://img.ebyrcdn.net/648941-583689-800.jpg
[08:14] <jakeio> Haha, point taken edmoore, I wanted to ask here before I phoned them up, as I thought someone might have used them recently.
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[08:14] <edmoore> Well it usually depends a bit on circumstances
[08:14] <Vaizki> works as a standalone GSM phone or BT "headset", takes a 32GB memory card, works as a power bank and the battery lasts for 3 months
[08:14] <edmoore> E.g delivery to you vs depot pickup
[08:15] <Vaizki> and it cost 22 euros
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[08:15] <edmoore> Might be a depot 2 miles away, they might run a truck to a big customer next to you, it's often circumstancial
[08:15] <edmoore> The total cost, i mean
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[08:47] <daveake> jakeio For helium, 1-off, it's cheaper to go through click4balloons or whoever than it is to buy direct from BOC or AP
[08:50] <jakeio> balloonhelium is who I've used in the past.
[08:50] <jakeio> Thank you both.
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[09:22] <SpacenearUS> New position from 03MAVIS_1 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=MAVIS_1
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[10:09] <rharrison_> I need someone bright who can work on an rf project for 6 months. Need to be a proven coder and original thinker would probably be a bright student with good rf comms knowledge
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[10:33] <rharrison_> The above can be worked on out of hours and in own timeframe
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[10:42] <SpacenearUS> New vehicle on the map: 03DB0KL-11 - 12https://tracker.habhub.org/#!qm=All&q=DB0KL-11
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[10:49] <craag> rharrison_: What kind of rf project? (personally don't have the time, but might know people who do)
[11:02] <daveake> So this new antenna has an FME on it. This is left my ordered collection of "all RF adapters I need" in complete disarray :/
[11:02] <daveake> has ^
[11:06] <fsphil> new column in the matrix? :)
[11:07] <fsphil> suppose you could cut it off, put something a bit more sane on there
[11:07] <daveake> Looks a bit integral
[11:08] <fsphil> ah not on coax
[11:08] <daveake> Does come with a cable with SMA on t'other end, but that's 5m of RG58
[11:08] <daveake> Anyway FME --> SMA adapter ordered
[11:08] <Geoff-G8DHE-Lap> Which is why I asked if you wanted an adaptor!
[11:08] <daveake> You did? Ah sorry missed that :/
[11:08] <Geoff-G8DHE-Lap> Is the supplied cable not long enough?
[11:08] <daveake> too long
[11:09] <daveake> I have a waterproof lora gateway which I put on the pole under the aerial
[11:09] <Geoff-G8DHE-Lap> ? So cut and replace plug on Rxend ?
[11:09] <daveake> So I just nee 1m of cable, if that
[11:09] <Geoff-G8DHE-Lap> Ah
[11:09] <daveake> Yeah could do
[11:09] <daveake> "Putting plugs on coax" isn't one of my favourite things
[11:09] <Geoff-G8DHE-Lap> The adaptor was to N-type anyway
[11:10] <daveake> ah right
[11:10] <Geoff-G8DHE-Lap> I replaced my 3.4GHz aerial with the 869 Mhz one
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[11:16] <gonzo__> usually "watching other people put plugs on coax" is worse
[11:17] <gonzo__> especially when it's bloody pl259
[11:23] <rharrison_> craag, i'll chat later in a pm if ok
[11:23] <rharrison_> in a board meeting atm
[11:24] <fsphil> those are always fun
[11:25] <craag> np rh.
[11:25] <SpacenearUS> New position from 03IV3SRD-11 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IV3SRD-11
[11:26] <daveake> s/board/bored/ usually
[11:27] <craag> daveake have you got an omni outdoor 868 antenna?
[11:27] <daveake> No not yet
[11:28] <craag> ok - might add one to the farnham tower sometime.
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[11:30] <Laurenceb> uh oh https://i.reddituploads.com/9b6a0d7ee23048bd9bd34e0f5de6aecd?fit=max&h=1536&w=1536&s=d07730a9dd4f505e29e6d19d11eba60e
[11:33] <superkuh> Laurenceb, what am I looking at here? Something SpaceX?
[11:34] <superkuh> Oh. Not what I expected. Hyperloop tunnel.
[11:34] <russss> hyperloop, I think
[11:34] <AndyEsser> 1 person hyperloop
[11:34] <AndyEsser> I guess
[11:34] <Laurenceb> nope 2 side by side
[11:34] <Laurenceb> its 1.8m tube
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[11:35] <Laurenceb> I'm v sceptical that helical tube can hold a vacuum
[11:35] <Laurenceb> its crazy cheap, like $400/tonne, but aiui the cheap stuff is only ever pressure rated
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[11:43] <Laurenceb> https://www.youtube.com/watch?v=RNFesa01llk
[11:54] <AndyEsser> "Microsoft Surface Pro 4 - 256GB / Intel Core i7 (16 GB) Ordered"
[11:54] <AndyEsser> oops... how did that happen
[11:54] <AndyEsser> :P
[11:56] <gonzo__> very expensivly
[11:56] <fsphil> they still make surface?
[11:56] <AndyEsser> fsphil: why wouldn't they?
[11:56] <AndyEsser> gonzo__: *waves hands* ssh ;)
[11:56] <AndyEsser> using it to reduce my VAT liability ;)
[11:56] <fsphil> it didn't seem to be selling well
[11:56] <gonzo__> and written off against tax
[11:57] <fsphil> or maybe that was the phones
[11:57] <AndyEsser> fsphil: the Surface Pro has been doing fine
[11:57] <AndyEsser> and is actually a great device
[11:57] <AndyEsser> from when I was using my mate's in Boston last year
[11:57] <fsphil> microsoft's naming system has always been pretty bad
[11:57] <AndyEsser> but phones and non-Pro/SurfaceBook stuff is a bit wank
[12:00] <AndyEsser> I like that it's a tablet with the same Power/OS as a PC
[12:00] <AndyEsser> and can still fit an SDR dongle in it ;)
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[12:06] Action: PE2BZ thinks the surface pro makes a nice payload :-)
[12:06] Nick change: Kryczek_ -> Kryczek
[12:07] <PE0SAT> !flights
[12:07] <SpacenearUS> 03PE0SAT: Current flights: 03UBSEDS19&20 434.610 CONTESTIA 16/1000 10(303d)
[12:08] <AndyEsser> PE0SAT: tis a bit heavy
[12:09] Action: PE2BZ is not PE0SAT ;-)
[12:09] <PE0SAT> PE2BZ: :D
[12:09] Action: PE2BZ has confused Andy. Andy has to pass a test next weekend...
[12:10] <AndyEsser> err... my bad
[12:10] <AndyEsser> I liberally use tab-complete
[12:10] <AndyEsser> sorry
[12:11] <AndyEsser> PE2BZ: tis a bit heavy
[12:11] <AndyEsser> happy?
[12:11] <AndyEsser> :P
[12:11] Action: PE2BZ is now very happy ;-)
[12:11] <PE2BZ> How is the study going Andy ?
[12:11] <AndyEsser> I'll read the book the night before...
[12:11] <AndyEsser> :)
[12:11] <PE2BZ> M0AE from PE2BZ
[12:11] <AndyEsser> it'll be M6
[12:12] <AndyEsser> and doubtful M6ARE is available :P
[12:12] <AndyEsser> in fact I know it's not ;)
[12:12] <AndyEsser> M6ZZZ is probably
[12:12] <PE2BZ> M6ARE you there ?
[12:12] Action: AndyEsser snoozes on keyboard
[12:12] <PE2BZ> M6C++
[12:13] <AndyEsser> tbh, the goal is to get to M0 as quickly as possible
[12:13] <AndyEsser> the M6 and 2E callsigns I'm not too fussed about
[12:13] <PE2BZ> I think you manage. I did ;-)
[12:13] <PE2BZ> off for some shopping. CU
[12:13] <AndyEsser> ciao
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[12:16] <fsphil> oh man, the conf is just over a week away
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[12:17] Action: fsphil starts packing
[12:19] <AndyEsser> god, get me out of here
[12:19] <AndyEsser> can we have a week long conference
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[12:21] Action: daveake starts writing
[12:22] <edmoore> i think i'll come to the conf
[12:22] <edmoore> maybe for the morning, then dissappear for the daytime thing, then be back for pub
[12:22] <edmoore> it's not actually a massive drive from cam to the thing i have on during the day
[12:23] <russss> yay pub
[12:25] <AndyEsser> pub
[12:25] <AndyEsser> anyone doing anything on the Friday evening before? social wise?
[12:26] <rharrison_> pub
[12:26] <fsphil> hah, yeah most likely pub
[12:26] <craag> I'll be up there friday evening
[12:27] <russss> I'm coming up Saturday morning
[12:27] <fsphil> early forecast is good, sunshine and 23c
[12:28] <AndyEsser> ATM I'm not sure what time I'll be there
[12:28] <AndyEsser> either I'll take the day off and drive up early, see some Cambridge people I know
[12:28] <AndyEsser> or drive down after work and most likely just crash in Hotel before walking along on Saturday
[12:29] <craag> I was going to try to get there for dinner on friday. google maps has helpfully told me it'll take 2.5-5 hours to get there on friday afternoon..
[12:29] <AndyEsser> craag: dinner being... evening meal, yes?
[12:29] <craag> yes
[12:29] <AndyEsser> have to check
[12:29] <AndyEsser> silly Northerners up here keep getting it wrong
[12:30] <craag> heh
[12:34] <gonzo__> unless it's a sunday, then dinner is the midday cooked meal
[12:34] <gonzo__> or is that just a shropshire thing
[12:35] <AndyEsser> my company turned 3 yesterday... turned it's first profit today... only realised all this whilst brushing my teeth... whoops
[12:35] <AndyEsser> :P
[12:35] <gonzo__> hence the need to start burning it off
[12:47] <WillDWork> edmoore - if you rock up to the conf please could you remember that book for me :-)
[12:51] <edmoore> vertical emp
[12:51] <edmoore> yes
[12:54] <WillDWork> yes, cheers, the old man wants a read next
[12:55] Action: Laurenceb wonders what happens when someone hit hyperloop with a hammer
[12:55] <Laurenceb> *hits
[12:55] <Laurenceb> https://i.reddituploads.com/9b6a0d7ee23048bd9bd34e0f5de6aecd?fit=max&h=1536&w=1536&s=d07730a9dd4f505e29e6d19d11eba60e
[12:56] <fsphil> something you can try if they ever actually build it
[12:56] <Laurenceb> https://i.ytimg.com/vi/Zz95_VvTxZM/hqdefault.jpg
[13:03] <AndyEsser> o0o North Wales Tech group (based out of Bangor Uni) are doing a Rocket Design workshop in October
[13:04] <Laurenceb> I like how Elon has just commandeered a public road
[13:22] <AndyEsser> SpaceX Falcon 9 rocket has apparently exploded on pad :(
[13:25] <adamgreig> oops
[13:25] <adamgreig> didn't think they'd even be fuelling that yet, isn't the launch nominally saturday?
[13:25] <adamgreig> ah, wet dress rehearsal
[13:26] <SpacenearUS> New position from 03KEMPSP after 0317 hours silence - 12https://tracker.habhub.org/#!qm=All&q=KEMPSP
[13:27] <adamgreig> that's a bit of a pain for the whole reuse thing eh
[13:27] <AndyEsser> yea :(
[13:27] <AndyEsser> it wasn't the already launched one, was it?
[13:27] <AndyEsser> that's for later int he ytear?
[13:27] <AndyEsser> in the*
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[13:32] <Laurenceb> http://imgur.com/cyK0ZsS
[13:32] <Laurenceb> are they sure...
[13:32] <Laurenceb> will wait and see
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[13:33] <adamgreig> https://twitter.com/NASASpaceflight
[13:34] <Laurenceb> oh cape Canaveral
[13:34] <Laurenceb> shit
[13:34] <superkuh> Aw man.
[13:34] <adamgreig> https://twitter.com/cbs_spacenews
[13:35] <adamgreig> you can listen to the emergency responders here too http://www.broadcastify.com/listen/feed/705/web
[13:35] <Laurenceb> I thought it was reuse testing, it seems to make lots of smoke on previous photos
[13:35] <adamgreig> sounds like no one was hurt yet
[13:35] <adamgreig> but big ol fire
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[13:38] <SpacenearUS> New vehicle on the map: 03TURTLE1 - 12https://tracker.habhub.org/#!qm=All&q=TURTLE1
[13:44] <Laurenceb> http://kscwmserv1.ksc.nasa.gov/channel4
[13:52] <fsphil> aww, that sucks
[13:53] <SpacenearUS> New vehicle on the map: 03chance215_chase - 12https://tracker.habhub.org/#!qm=All&q=chance215_chase
[13:59] <fsphil> looks like it was a few minutes from a firing test, nobody would've been near it. hopefully
[14:00] <Laurenceb> from the white steam it looks like it happened towards the end of the firing test
[14:00] <russss> it was at T-3mins apparently
[14:00] <Laurenceb> https://i.redditmedia.com/BSgs5IqhI7HlXCRW9Z73ygwIMkv5k2NR7AFfEm-oWeY.jpg?w=1024&s=b14eaf260c4d3abd7ea6041c933f183b
[14:00] <adamgreig> reports are it was before the test
[14:00] <Laurenceb> ooh
[14:00] <Laurenceb> odd
[14:00] <russss> as I understand it, very little should be on fire at that point
[14:00] <Laurenceb> suspicious steam cloud
[14:01] <russss> structural issue, perhaps.
[14:01] <Laurenceb> maybe their labview broke
[14:01] <adamgreig> lol
[14:01] <Laurenceb> they use labview to control fuelling and pressurization
[14:03] <Laurenceb> or some muricans had put bullet holes in the stage during transport
[14:03] <russss> heh
[14:03] <Laurenceb> supposedly that has happened
[14:03] <adamgreig> not sure which is worse
[14:04] <fsphil> who shots a rocket. that'd mad
[14:04] <Laurenceb> come on we all enjoy some labview whilst randomly shooting things
[14:07] <Laurenceb> hmm Israeli comms sat
[14:07] <Laurenceb> maybe Iran tried some reverse stuxnet
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[14:08] <Laurenceb> http://prnt.sc/ccxf6s
[14:09] <adamgreig> looks alright
[14:09] <Laurenceb> top is bent
[14:10] <adamgreig> front fell off
[14:10] <jakesully123456> Why is IV3SRD-11 going up and down?
[14:11] <fsphil> 'Local emergency officials described the incident as a "catastrophic abort during a static test fire"'
[14:11] <fsphil> "catastrophic abort". will have to remember that one
[14:15] <AndyEsser> Unscheduled Rapid Disassembly
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[14:16] <sq5kvs> hi
[14:16] <sq5kvs> edmoore, hi
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[14:20] <fsphil> "The satellite was attached to the rocket for the test fire"
[14:20] <adamgreig> aw :(
[14:20] <fsphil> from https://spaceflightnow.com/2016/09/01/explosion-at-falcon-9-launch-pad/
[14:22] <fsphil> heisenberg satellite. it both was and was not attached
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[14:23] <Laurenceb> come back in 30 minutes
[14:23] <Laurenceb> I think is thr answer
[14:23] <fsphil> mmm
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[14:29] <sq5kvs> guys
[14:29] <sq5kvs> I have challenge for you
[14:30] <sq5kvs> I need an jfet input opamp with open loop gain at least 50dB on 40 kHz :)
[14:33] <russss> https://twitter.com/NASASpaceflight/status/771353886238072832
[14:33] <fsphil> poop
[14:33] <adamgreig> 50dB at 40kHz is a pretty big ask on the gb
[14:33] <adamgreig> gbw
[14:33] <sq5kvs> right
[14:34] <adamgreig> lucky to get an eighth of that
[14:35] <adamgreig> suspect you'll need to use multiple stages :P
[14:35] <sq5kvs> hah
[14:35] <PE0SAT> !flights
[14:35] <SpacenearUS> 03PE0SAT: Current flights: 03UBSEDS19&20 434.610 CONTESTIA 16/1000 10(303d)
[14:35] <russss> oh https://twitter.com/SciGuySpace/status/771352952724422657
[14:35] <sq5kvs> I need it for precision rectifier on ultrasound frequencies
[14:36] <russss> my money's on a lox leak
[14:36] <sq5kvs> multiple stages can decrease the dynamic
[14:36] <adamgreig> well good luck then :P
[14:36] <fsphil> oh not a rocket problem
[14:36] <sq5kvs> falcon9 kaboom
[14:36] <fsphil> has that ever happened before?
[14:36] <adamgreig> can find 3.8GHz GBW if you give up the JFET, or down to 410MHz with JFET, but...
[14:37] <adamgreig> neither is really going to do what you want
[14:37] <adamgreig> maybe there are specialist opamps for ultrasonics :P
[14:37] <adamgreig> wonder why the fire test is done with payload attached
[14:38] <fsphil> the digital voice codec used by KSC is pretty poor
[14:38] <russss> adamgreig: it isn't usually, I think maybe they had some time pressure
[14:40] <sq5kvs> fsphil: have you noticed that the all nasa (capcom, spacecraft ect) voices are the same from 50 years?
[14:41] <fsphil> not really...
[14:42] <sq5kvs> not? let's compare the voices crew voices, with STS and other - for example
[14:45] <Laurenceb> illuminati?
[14:48] <fsphil> looks like it has happened before, but not recently. https://twitter.com/planet4589/status/771356734724120578
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[15:15] <edmoore> sq5kvs: hi
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[15:25] <jakeio> https://tracker.habhub.org/#!mt=satellite&mz=17&qm=1_day&f=DB0KL-11 That landing is so lucky.
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[15:28] <Geoff-G8DHE-Lap> And the height of the trees is ?
[15:29] <jakeio> Good point, but their payload so nearly had a wet landing!
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[15:49] <daveake> That's not lucky; THIS (by jcoxon) was lucky :-) http://www.pd3em.com/files/images/DSC00102.preview.jpg
[15:50] <fsphil> still one of my fav pics
[15:52] <sq5kvs> big float fishing? :)
[15:53] <SpacenearUS> New vehicle on the map: 03AD6AM-12 - 12https://tracker.habhub.org/#!qm=All&q=AD6AM-12
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[15:55] <SpacenearUS> New position from 03UBSEDS18 after 039 days silence - 12https://tracker.habhub.org/#!qm=All&q=UBSEDS18
[15:57] <fsphil> nice
[15:57] <fsphil> !where is UBSEDS18
[15:57] <fsphil> !whereis UBSEDS18
[15:57] <SpacenearUS> 03fsphil: 03UBSEDS18 was over 0351.98516,83.57591 at 0312904 meters about 036 days ago
[15:58] <fsphil> right
[15:58] <daveake> useful
[15:58] michal_f (~michal_f@84-10-62-166.static.chello.pl) joined #highaltitude.
[15:58] <dbrooke> backlog
[15:58] <fsphil> !whereis UBSEDS18
[15:58] <SpacenearUS> 03fsphil: 03UBSEDS18 was over 0351.98516,83.57591 at 0312904 meters about 036 days ago
[15:58] <dbrooke> I assume AD6AM-12 is UBSEDS18 ?
[15:58] <fsphil> the map updated after a short delay
[15:59] <daveake> !wherewas UBSEDS18
[15:59] <PE2BZ> lol
[15:59] <fsphil> !whereami
[15:59] <daveake> !whoami
[15:59] <PE2BZ> !whyarewe
[15:59] <daveake> 42
[15:59] <PE2BZ> UBSEDS18 has been on a date with some russian hab or so....
[16:00] <fsphil> ok now it's south of alaska
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[16:00] Nick change: michal_f -> michal_f_off
[16:00] <PE2BZ> Would the sky @ 13 km in Alaska be colder than over here ?
[16:01] <fsphil> it might be over the US now
[16:02] <Laurenceb> interesting that the supercap survived
[16:02] <fsphil> daveake: mmm AD6AM-12 must be it yeah
[16:02] <Laurenceb> its prob very dead now
[16:02] <fsphil> why would a supercap die?
[16:02] <Laurenceb> cuz low discharge voltage
[16:02] <Laurenceb> its a lithium ion supercap
[16:02] <fsphil> oh yes
[16:03] <fsphil> the supercap that isn't a supercap
[16:03] <Laurenceb> heh it is technically a supercap
[16:03] <Laurenceb> there are no chemical reactions
[16:03] <fsphil> true
[16:03] <Laurenceb> but the voltages have to be kept in the stable range to prevent reactions
[16:04] <fsphil> hey arko, potential HAB in range of you soon
[16:05] <fsphil> lora is probably off, so no images. richardeoin?
[16:07] <fsphil> corrupt bpg images are quite pretty :) http://ssdv.bristol-seds.co.uk/UBSEDL/png/UBSEDL_2016-08-29T11-21-11_17.png
[16:07] <dbrooke> that's modern art
[16:10] <Laurenceb> impressive quality
[16:10] <Laurenceb> (on previous shots)
[16:11] <Laurenceb> is BPG better suited for this than JPG ?
[16:11] <SpeedEvil> https://xkcd.com/395/ - related
[16:13] <fsphil> if you can get all of the packets, BPG is better
[16:13] <fsphil> JPEG being much simpler is a lot easier to split up
[16:13] <Laurenceb> interesting
[16:13] <Laurenceb> http://ssdv.bristol-seds.co.uk/2016/08/08/ubseds.html
[16:14] <fsphil> I don't know enough about BPG yet tbh
[16:14] <Laurenceb> v small packet size
[16:14] <Laurenceb> oh I thought you wrote the code lol
[16:14] <Laurenceb> ok
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[16:14] <fsphil> nah, I did the JPEG stuff
[16:14] <Laurenceb> ah
[16:14] <fsphil> BPG is richardeoin's work
[16:14] <Laurenceb> oh wow it uses FEC
[16:15] <Laurenceb> I wondered why it was so good
[16:15] <fsphil> yeah an interesting approach, applies it across the entire image
[16:15] <fsphil> rather than each packet
[16:15] <fsphil> but it does tend to mean you get all or nothing
[16:16] <Geoff-G8DHE-Lap> Should work well with daveake ARQ setup
[16:16] <fsphil> yeah
[16:16] <fsphil> the same trick would work with any file type
[16:17] <Laurenceb> oh they are flying pi zero
[16:17] <Laurenceb> I c
[16:17] <Geoff-G8DHE-Lap> Just need BPG viewers built into dl-fldigi and the lora-gateway so can see whats coming in!
[16:17] <Laurenceb> crazy
[16:17] <fsphil> that probably won't happen Geoff-G8DHE-Lap
[16:18] <rharrison_> PE2BZ, did you read fsphil's comment re your failed packet ?
[16:18] <Geoff-G8DHE-Lap> No I've installed a BPG viewer only to find they weren't saved :-(
[16:19] <PE2BZ> rharrison_ no , did not, what time would that have been ?
[16:19] <fsphil> PE2BZ: random data that just happened to look like an ssdv packet
[16:19] <fsphil> bbl, heading home
[16:20] <rharrison_> ooh last night at a guess 30 mins after you asked me
[16:20] <PE2BZ> ok
[16:20] <PE2BZ> fsphil thanks
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[16:33] <SpacenearUS> New vehicle on the map: 03KD9GEG-11 - 12https://tracker.habhub.org/#!qm=All&q=KD9GEG-11
[16:41] <richardeoin> oh hai ubseds18
[16:41] <richardeoin> I wondered if that was still up
[16:42] <cm13g09> richardeoin: lol
[16:42] <richardeoin> hmm missing the aprs alias for adam's call
[16:42] <richardeoin> hey cm13g09 :)
[16:42] <cm13g09> Hasn't done a lap while you weren't watching has it?
[16:43] Action: cm13g09 remembers the days of the LeoBodnar's B-8x series
[16:43] <richardeoin> it jumped asia without saying hello :'-(
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[16:44] Action: cm13g09 mutters something about database migrations being slow
[16:47] <richardeoin> this isn't the pi zero balloon btw, that's over Kazakhstan
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[16:53] <Vaizki> High Altitude Borat
[16:54] <SpacenearUS> New position from 03JMHS after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=JMHS
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[17:25] <daveake> Impressive https://youtu.be/_BgJEXQkjNQ
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[17:26] <SpeedEvil> :/
[17:26] <SpeedEvil> http://forum.nasaspaceflight.com/index.php?action=dlattach;topic=40868.0;attach=1363658;image - less welcome image.
[17:26] <SpeedEvil> F9 blew up on pad during hot fire test
[17:28] <SpeedEvil> http://kscwmserv1.ksc.nasa.gov/channel4 - before hot fire rather
[17:28] <SpeedEvil> 3 mins pre-ignition
[17:28] <Laurenceb> https://www.youtube.com/watch?v=_BgJEXQkjNQ&feature=youtu.be
[17:30] <russss> I find it quite amazing that both the first and second stages have literally vanished before the payload hits the ground
[17:30] <SpeedEvil> :/
[17:31] <russss> I hope they have some higher frame rate footage of that
[17:39] <SpeedEvil> 1/20th fps I saw on youtube
[17:39] <SpeedEvil> 20fps, rather
[17:39] <SpeedEvil> it goes from 'normal' to a 10m diameter fireball in one frame
[17:39] <Laurenceb> starts as v bright flash where arm meeds upper stage
[17:39] <SpeedEvil> (and then doesn't expand much more)
[17:39] <Laurenceb> there is a single frame with bright flash
[17:40] <russss> I'm wondering if there's anything in those noises you can hear just before the explosion
[17:40] <Ian_> There will be some frame by frame study of the first moments. It didn't seem to phase the birds though which seem to want a look
[17:40] <russss> sounds a bit like creaking/rupturing kind of noises
[17:40] <russss> cape canaveral wildlife has seen worse
[17:40] <adamgreig> I assume the internal sensors are all running during a full dress rehearsal
[17:41] <adamgreig> so should be able to do the same sort of analysis as the previous failure just after liftoff
[17:41] <Laurenceb> lul @ people posting images of text on twitter
[17:43] <Ian_> Then they say that an image is worth a thousand words . . . text expansion technology
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[17:43] <Laurenceb> https://forum.nasaspaceflight.com/index.php?action=dlattach;topic=30981.0;attach=1364037;image
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[17:47] <Laurenceb> https://forum.nasaspaceflight.com/index.php?action=dlattach;topic=30981.0;attach=1364062;image
[17:47] <Laurenceb> launched
[17:47] <Laurenceb> just in negative direction
[17:47] <SpeedEvil> :/
[17:47] <adamgreig> shame it didn't get the parachutes out, that's always funny at amateur launches with pad explosions
[17:50] <Laurenceb> https://forum.nasaspaceflight.com/index.php?action=dlattach;topic=30981.0;attach=1364071;image
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[18:02] <PE2BZ> Impressive but sad movie :-(
[18:03] <Laurenceb> http://imgur.com/a/WXKge
[18:06] <SpeedEvil> That looks to me like a comparatively small volume of mixed gas making a fireball at >speed of sound, then the fireball collapsing in and rebounding
[18:06] <fsphil> I bet you'd feel the heat from that at quiet a distance
[18:06] <SpeedEvil> unless frames are in wrong order
[18:07] <fsphil> there was smoke coming from the lightning rods
[18:08] <SpeedEvil> If we assume the first frame is 10m^3 at 1500C, that's of the order of kilos of reactants
[18:09] <SpacenearUS> New vehicle on the map: 03AFB_STN_chase - 12https://tracker.habhub.org/#!qm=All&q=AFB_STN_chase
[18:10] Action: MoALTz gusses an o2 tank failure (perhaps from burning inside the body due a leak beforehand) just to make a random guess
[18:10] <MoALTz> (that or the helium tanks are still not fixed on spacex rockets)
[18:11] <SpeedEvil> The helium tanks themselves were fine - it was the struts
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[18:15] <PE2BZ> Now what to do ? The facebook satellite has exploded ....
[18:15] <PE2BZ> We´ll have to stay on IRC
[18:17] <SpeedEvil> hah
[18:19] <SpacenearUS> New vehicle on the map: 03KG5NBC-11 - 12https://tracker.habhub.org/#!qm=All&q=KG5NBC-11
[18:20] <fsphil> hopefully it wasn't some stupid and easy to prevent mistake
[18:21] <SpeedEvil> 'Today a ULA employee with a Barrett was arrested'...
[18:22] <SpeedEvil> The 'best' result would be that it was a stupid mistake that they did not make
[18:25] <Laurenceb> inb4 labview
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[18:33] <Ian_> Given the slight wind direction, the centre of the flash does seem to be upwind and suggests nearer to the tower than the centerline of the rocket, so maybe ignition source to do with the connection. Why there was anything to ignite just there is another question of course
[18:34] <Ian_> I know nothing about rocketry of course!
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[18:35] <Laurenceb> apparently they use off the shelf cryogenic valve kit controlled by labview for fuelling
[18:35] <Laurenceb> what could go wrong...
[18:36] <Laurenceb> fast development I guess
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[18:37] <adamgreig> fast disassembly too
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[18:38] <ZS5LT> Burning the midnight oil, putting the final touches for a Saturday launch of a 1200g balloon. Kid school project
[18:39] <kc2pit> Anybody know what they do to protect against atmospheric oxygen condensation since they started using colder LOX?
[18:41] <kc2pit> I wonder if the old precautions learned with boiling-point oxygen may not have been modified enough.
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[19:09] <M0RJX> Upu, U about for a call tonight?
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[19:18] <ZS5LT> guys i know its late, but i know some of the night owls are about, please approve my flight docs for FLIHI_NK, payload docs and flights docs completed. TX
[19:21] <SA6BSS-Mike> if u pate docs in #habhub channel the will help ypu
[19:26] <ZS5LT> tx
[19:29] <jakeio> So, does .confetti work on this channel?
[19:29] <jakeio> .confetti
[19:29] <SpacenearUS> 2´*.D¨¯`* 2D*¨¯`* 2
[19:29] <SpacenearUS> 2´ *. Congratulations 2 ¯`*
[19:29] <SpacenearUS> ¨¯`*D2´* 2.D *¨¯`*2
[19:29] <jakeio> Yes, yes it does.
[19:29] <jakeio> Good to know.
[19:39] <Geoff-G8DHE-Tab> Zs5lt, you need to post the flight doc I'd in the #habhub channel and wait for a sysadmin
[19:40] <Geoff-G8DHE-Tab> Oh he has! I shall go back to sleep!
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[19:55] <SpacenearUS> New vehicle on the map: 03PIGLET - 12https://tracker.habhub.org/#!qm=All&q=PIGLET
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[19:58] <SpacenearUS> New vehicle on the map: 03PINKY - 12https://tracker.habhub.org/#!qm=All&q=PINKY
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[20:01] <SpacenearUS> New vehicle on the map: 03FLIHI_NK - 12https://tracker.habhub.org/#!qm=All&q=FLIHI_NK
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[20:09] <SP9UOB-Tom> evening All
[20:09] <fsphil> o/
[20:10] <SP9UOB-Tom> about the conference, could someone pick me up (and propably others) from Cambridge rail station at 9-ish ?
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[20:14] <SP9UOB-Tom> my latest payload - 5.3 grams in ready - to - fly configuration. Schould archeive 13+ km with regular qualatex envelope :-) http://sp9uob.verox.pl/pliki/pico28-scale.jpg
[20:15] <SpacenearUS> New position from 03TURTLE1 after 036 hours silence - 12https://tracker.habhub.org/#!qm=All&q=TURTLE1
[20:18] <fsphil> cute
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[20:23] <Rebounder> SP9UOB-Tom: cool!
[20:23] <Rebounder> SP9UOB-Tom: what modes?
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[20:24] <Upu> evening M0RJX sorry was afk if you're still about can chat on here
[20:24] <M0RJX> Ok cool
[20:24] <SP9UOB-Tom> Rebounder: any FSK; RTTY, DOMINO, CONTESTIA and APRS ofcourse
[20:26] <Rebounder> SP9UOB-Tom: ah, even wspr then :)
[20:26] <SP9UOB-Tom> Rebounder: in fact no, step is too big
[20:27] <Rebounder> SP9UOB-Tom: step?
[20:27] <SP9UOB-Tom> Rebounder: synthesizer step
[20:27] <Rebounder> ah
[20:35] <adamgreig> SP9UOB-Tom: I spy tagconnect, what's the loop antenna? guessing the antenna off to the left is GPS but what's the other wire on the left?
[20:35] <adamgreig> venus gps receiver? or is that an EVA
[20:35] <Rebounder> SP9UOB-Tom: any plans for hf antennas?
[20:39] <SP9UOB-Tom> adamgreig: that is not loop antenna, just coiled it to measure weight. Its guitar string no: 9
[20:41] <SP9UOB-Tom> adamgreig: GPS is EVA7M, GPS antenna is on the left top, and a counterpose is on the left bottom
[20:41] <SP9UOB-Tom> so TX antenna is 1/2 lambda vertical dipole
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[20:52] <SP9UOB-Tom> Hi Mike
[20:54] <adamgreig> ah OK makes sense, nice work
[20:57] <SpacenearUS> New vehicle on the map: 03HERMES1 - 12https://tracker.habhub.org/#!qm=All&q=HERMES1
[20:58] <SP9UOB-Tom> Rebounder: in december im planning to launch HF latex floater
[20:59] <SP9UOB-Tom> Rebounder: also with vertical dipole (30 and 20 m band)
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[21:33] <SP9UOB-Tom> GN all
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[21:52] <fsphil> good chance of aurora for those with clear skies in da north
[21:53] <Kryczek> fsphil: thanks :)
[21:54] <fsphil> not a lawn mower this time of night
[21:54] <fsphil> cloudy here
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[22:15] <Vaizki> clear skies here.. stars are out in full force
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[22:24] <Darkside_> https://www.youtube.com/watch?v=_BgJEXQkjNQ&feature=youtu.be
[22:24] <Darkside_> boom :(
[22:24] <SpeedEvil> Indeed.
[22:25] <SpeedEvil> Hopefully it is something stupid, and documentedly not their fault.
[22:28] <Vaizki> that was painful to watch
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[22:34] <Laurenceb__> https://forum.nasaspaceflight.com/index.php?action=dlattach;topic=30981.0;attach=1364202;image
[22:34] <Laurenceb__> *x files music*
[22:35] <SpeedEvil> That is clearly not a missile.
[22:35] <SpeedEvil> It's a partially cloaked romulan warbird.
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[22:36] <SpeedEvil> http://www.ebay.co.uk/itm/Water-Cooling-50W-Sealed-Laser-Tube-for-CO2-Laser-Engraver-machine-3000-4500-H-/111801328950?hash=item1a07e0e536:g:cpYAAOSw5ZBWJGpe - is it a coincidence that just before this happened, LASER tubes became available at a third of the historic price?
[22:42] <Laurenceb__> https://tech.slashdot.org/comments.pl?sid=9601415&cid=52810231
[22:45] <SpeedEvil> It's depressingly hard to work out which ones are probably serious
[22:49] <fsphil> short clip of the boom, audio corrected for the distance. https://www.sanslogic.co.uk/f9-boom.mp4
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[22:50] <fsphil> they where about 4km away, and it still shook the camera
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[23:03] <ka3bvj> Has anyone ever seen a system by VY1SK
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[23:06] <SpacenearUS> New position from 03IV3SRD-11 after 039 hours silence - 12https://tracker.habhub.org/#!qm=All&q=IV3SRD-11
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[00:00] --- Fri Sep 2 2016