highaltitude.log.20190723

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[05:19] <SpacenearUS> New vehicle on the map: 03DO3OCM-9 - 12https://tracker.habhub.org/#!qm=All&q=DO3OCM-9
[05:35] <PE2BZ> SM0ULC-David, Xpi had the MM11 payload in it´s camera view.
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[07:21] <Phil_M0DNY> https://www.youtube.com/watch?v=sPvHUBGsxK0
[07:22] <Phil_M0DNY> HAB with 1MS DVB-S2 launching today
[07:22] <fsphil> that is a nice setup
[07:23] <SA6BSS-Mike> looks windy!
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[07:23] <Phil_M0DNY> quite wobbly dish!
[07:23] <fsphil> trailer needs a few feet I think
[07:23] <SA6BSS-Mike> yes!
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[07:25] Action: fsphil worries about some of those cables getting snagged
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[07:49] <fsphil> that's a big balloon
[08:03] <Phil_M0DNY> looks like the payload on the table next to the gas cylinder
[08:03] <Phil_M0DNY> command module shaped
[08:03] <nmcc> afirm
[08:05] <SpacenearUS> New vehicle on the map: 03F4CQA-11 - 12https://tracker.habhub.org/#!qm=All&q=F4CQA-11
[08:05] <Phil_M0DNY> ^^ That's them.
[08:07] <nmcc> Whats French for Habitat is running behind - thankfully not at present!
[08:08] <Phil_M0DNY> trasnmitting aprs every 5s it looks like
[08:08] <Phil_M0DNY> that'll make them some friends ;)
[08:08] <daveake> APRS wouldn't be affected by the parsing issue
[08:08] <nmcc> Whats the dashboard on the right on the feed
[08:09] <Phil_M0DNY> nmcc: minitioune, it's an amateur dvb-s2 receiver software
[08:09] <daveake> I guess they're using OBS for the stream
[08:09] <Phil_M0DNY> https://wiki.batc.org.uk/MiniTioune
[08:09] <nmcc> Ah, I love all this, so much to geek out with
[08:11] <Phil_M0DNY> Looks like it's uploading the APRS through internet directly at the moment
[08:11] <Phil_M0DNY> I think..
[08:11] <Phil_M0DNY> ah no, it's a darn sondemonitor gateway
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[08:12] <fsphil> heh, I thought they where at a beach from that first view on the video
[08:12] <fsphil> map says I couldn't be any more wrong
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[08:15] <nmcc> Looking at the dish, make a good D&T school project to have one that automagically tracks the payload based on recd telemetry - bit chicken & egg thou
[08:15] <fsphil> might come into range on the south coast of the UK. anyone going to try receiving it?
[08:16] <Phil_M0DNY> fsphil: there's a small dxpedition for it on the hill above portsmouth today, Noel G8GTZ, Dave G8GKQ, John G7JTT.
[08:16] <Phil_M0DNY> several dishes
[08:16] <fsphil> excellent!
[08:17] <Phil_M0DNY> https://i.imgur.com/3BUZ7u1.jpg
[08:18] <daveake> That mast/LR looks familiar :)
[08:18] <Phil_M0DNY> payload stream is about 7s behind the main stream
[08:18] <Phil_M0DNY> daveake: ;)
[08:18] <nmcc> My glider needs a new altimeter, so no go for a rotator at present.
[08:23] <Phil_M0DNY> up
[08:24] <nmcc> Just seen their dish move, priorities may change at this end, I can just look out the window &
[08:24] <fsphil> wonder what the purple glitchs are. not an mpeg/h264 artifact I've seen
[08:24] <Phil_M0DNY> no must be pre-encoding
[08:24] <Phil_M0DNY> loose connection on camera maybe
[08:25] <nmcc> No telemetry
[08:25] <Phil_M0DNY> Hmm yes 12m since last telem
[08:26] <Phil_M0DNY> oh got some
[08:26] <Phil_M0DNY> but not on osd
[08:28] <fsphil> getting choppy here, but could just be youtube
[08:28] <Phil_M0DNY> are you getting buffering fsphil ?
[08:28] <daveake> choppy here too
[08:28] <fsphil> yeah
[08:28] <fsphil> and low frame rate
[08:29] <daveake> same
[08:29] <nmcc> And here - thats not a YT buffering logo
[08:30] <Phil_M0DNY> Ah they might be feeding the UDP TS out of minitioune into OBS, so that might be the OBS buffering when the UDP drops out (due to RF dropout)
[08:30] <Phil_M0DNY> TS = MPEG-TS
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[08:32] <fsphil> better now
[08:32] <daveake> yeah looks fine now
[08:32] <daveake> Not seen any on-screen telem yet
[08:36] <nmcc> Nice inversion layer
[08:41] <fsphil> telemetry there now. odd
[08:41] <daveake> ah yeah
[08:41] <fsphil> and appropriately, the moon
[08:41] <nmcc> Couldnt you hear the sounds of serious coding / debugging going on??
[08:41] <Phil_M0DNY> nothing like writing new features post-launch ;)
[08:41] <fsphil> lol
[08:41] <daveake> heh
[08:42] <daveake> At last, a use for my HAB telnet thing
[08:42] <Phil_M0DNY> :D
[08:42] <daveake> Hmmm ... share by console on OBS, do live coding requests ....
[08:42] <daveake> .... though these days it'd need to be a long flight :)
[08:42] <nmcc> Flying Git repository
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[08:43] <fsphil> githab
[08:43] <nmcc> YESSSS!
[08:43] <nmcc> Shame no time on the video so we can see what the video delay is
[08:43] <nmcc> Maybe we could ask them to add it
[08:44] <Phil_M0DNY> it was about 7s behind the other stream on the ground nmcc
[08:44] <Phil_M0DNY> I think it might be closer to a minute behind the telem.
[08:45] <Phil_M0DNY> telem: 7825m, video :7400m
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[08:46] <Phil_M0DNY> Video being received by F5OEO at 150km ground distance
[08:46] <Phil_M0DNY> 8dB margin
[08:47] <daveake> nice
[08:50] <fsphil> how much power are they using on the tx?
[08:50] <Phil_M0DNY> 2W
[08:51] <chris_99> cool. what modulation scheme are you using for the video out of interest? and what kind of datarate does that give you, in Mbps?
[08:51] <fsphil> so much cyan
[08:51] <Phil_M0DNY> they're using QPSK at 1MS/s with 2/3 FEC
[08:52] <chris_99> cheers
[08:52] <Phil_M0DNY> so you get about 600-700 kbps.
[08:52] <SM0ULC-David> nice
[08:52] <Phil_M0DNY> sorry, 1200-1300 kbps
[08:52] <chris_99> are they using an SDR or something for that?
[08:52] <Phil_M0DNY> chris_99: minitioune, the software now in bottom left
[08:52] <chris_99> sorry is there a webpage, didn't see?
[08:52] <Phil_M0DNY> it controls an off-the-shelf tuner nim (the hardware from a satellite tv tuner)
[08:52] <Phil_M0DNY> https://www.youtube.com/watch?v=sPvHUBGsxK0
[08:53] <chris_99> cheers
[08:53] <Phil_M0DNY> D15 = 15dB margin
[08:53] <chris_99> ooh that's awesome :)
[08:54] <chris_99> wow, so they're using a big dish
[08:54] <fsphil> definitly on the high gain
[08:58] <fsphil> almost 12km up and still a lot of haze above it
[08:58] <daveake> yeah, very hazy
[08:59] <daveake> Ask them to add some gamma into the feed somewhere :)
[08:59] <chris_99> how is the wind dir/speed calculated, is that based on the movment of the balloon?
[08:59] <Phil_M0DNY> yeah any horizontal velocity *is* the wind speed.
[09:00] <chris_99> gotcha, makes sense
[09:01] <daveake> That's what gets used for landing predictions
[09:02] <chris_99> ah yeah, i forgot the software can predict during the launch
[09:03] <chris_99> the temp seems really cool, didn't know it'd get so cool so fast
[09:04] <nmcc> It will start going up shortly
[09:05] <Phil_M0DNY> UK receiver stations are standing by https://i.imgur.com/OuYXq7F.jpg
[09:05] <nmcc> Equipment envy
[09:05] <chris_99> wow
[09:06] <chris_99> do you have to change the angle of the dish whilst tracking?
[09:06] <nmcc> I think they get their man to do it for them
[09:06] <chris_99> heh
[09:09] <Phil_M0DNY> one on the mast has a spid rotator, the others are on camera tripods for 'strongarm'-rotator pointing.
[09:10] <Phil_M0DNY> 12v motor spid rotator
[09:11] <chris_99> neat cheers. to rotate in the correct direction, do you do that based on the location of the balloon somehow, to calculate the angle from that?
[09:11] <fsphil> aww, wish I could be on a hill today too. the weather is great
[09:11] <fsphil> stuck indoors writing php code
[09:11] <chris_99> yeah the weather is awesome today
[09:12] <Phil_M0DNY> fsphil: writing up procurement specs for desks, chairs and power cables here :)
[09:12] <Phil_M0DNY> chris_99: yes, they're using the APRS feed, and then 'pstrotator' to calculate the bearing and elevation from that.
[09:13] <SM0ULC-David> fsphil: ouch, php
[09:13] <chris_99> cool, thanks
[09:15] <fsphil> I quite like php. Though it could be stockholm syndrome
[09:18] <fsphil> Phil_M0DNY: viking-direct.co.uk, sort by price ascending, add the first one. easy ;)
[09:22] <daveake> I, erm, don't like PHP
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[10:02] <Phil_M0DNY> No video decode from the UK yet
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[10:05] <nmcc> I see the moon
[10:07] <chris_99> oh yeah, that's really neat :)
[10:12] <Phil_M0DNY> -97dBm on the TV receiver looks like they've unplugged it..
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[10:24] <SpacenearUS> New position from 03SITS-0 after 0319 hours silence - 12https://tracker.habhub.org/#!qm=All&q=SITS-0
[10:24] <fsphil> on the way down
[10:25] <Phil_M0DNY> uk team was unsuccessful, looks like they suffered a lot of QRM from portsmouth.
[10:25] <Kryczek> QRM?
[10:25] <Phil_M0DNY> interference
[10:26] <nmcc> Navy Sailors trying to kiss them
[10:26] <nmcc> = interference
[10:26] <Kryczek> there are some powerful radars in the naval base there indeed
[10:26] <nmcc> And admirals
[10:27] <dg2fs> "Vidéo coupée automatiquement par sécurité pour la batterie" they shut it down after burst to save battery power
[10:28] <Phil_M0DNY> Ah :)
[10:29] <Kryczek> dg2fs: where do you see this?
[10:29] <nmcc> Chat on the YT page
[10:29] <dg2fs> youtube chat
[10:30] <Kryczek> ah
[10:32] <Kryczek> I see
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[12:14] <SpacenearUS> New position from 03N6CVO-11 after 0312 hours silence - 12https://tracker.habhub.org/#!qm=All&q=N6CVO-11
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[14:19] <SpacenearUS> New vehicle on the map: 03MAD-1a - 12https://tracker.habhub.org/#!qm=All&q=MAD-1a
[14:29] <PE2BZ> Is it me or it the habitat genpayload / start from existing struggling ?
[14:29] <PE2BZ> Error loading rows: 0, An error occurred accessing the view, no response
[14:30] <nmcc> Typically happens half the time - too many records in a less than ideal searchable format
[14:32] <PE2BZ> 1 out of 8 succeeded this time.
[14:33] <nmcc> Not great
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[14:51] <SpacenearUS> New vehicle on the map: 03LOFT1 - 12https://tracker.habhub.org/#!qm=All&q=LOFT1
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[17:58] <SpacenearUS> New position from 03DC2EH-14 after 034 days silence - 12https://tracker.habhub.org/#!qm=All&q=DC2EH-14
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[19:11] <SpacenearUS> New position from 03U3B-25 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=U3B-25
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[00:00] --- Wed Jul 24 2019