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[00:27] <SpacenearUS> New position from 03BSS24 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=BSS24
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[03:13] <SpacenearUS> New position from 03U4B-2 after 0311 hours silence - 12https://tracker.habhub.org/#!qm=All&q=U4B-2
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[04:43] <SpacenearUS> New position from 03PS-74 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=PS-74
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[06:05] <OZ1SKY_Brian> gm
[06:06] <SA6BSS-Mike> gm
[06:06] <OZ1SKY_Brian> tjena mike, i see -12 and bss is back :-)
[06:06] <SA6BSS-Mike> yes, :)
[06:07] <SA6BSS-Mike> dont know what rout -12 toke yesterday, it should have called in but Im glad its on the map today
[06:07] <OZ1SKY_Brian> yes baby is still alive
[06:07] <SA6BSS-Mike> -10 and -12 should be over Alaska US by Sunday
[06:07] <SA6BSS-Mike> :) :)
[06:07] <SA6BSS-Mike> -24 is taking it slow
[06:08] <OZ1SKY_Brian> yes its not in a hurry, but thats ok as long as it says up
[06:09] <SA6BSS-Mike> exactly, its a testdrive of the ICT fw
[06:09] <SA6BSS-Mike> so far it looks good
[06:09] <OZ1SKY_Brian> yes working very well
[06:10] <OZ1SKY_Brian> wonder, those US flights, are they all just wspr and aprs or do some of them have other modes?
[06:10] <YO3ICT> Hi. W5KUB-16 is ICT tracker as well
[06:10] <YO3ICT> so WSPR only.
[06:10] <SA6BSS-Mike> yes it is
[06:10] <SA6BSS-Mike> and yes
[06:10] <YO3ICT> BWB-7 is Sky Tracker
[06:11] <YO3ICT> so Both APRS and WSPR
[06:11] <OZ1SKY_Brian> gm YO3ICT, ok thanks.
[06:11] <OZ1SKY_Brian> never tried the wspr tracking
[06:11] <YO3ICT> W5KUB-16 has the new ICT tracker firmware. I'll also launch ICT4 in a matter of days.
[06:11] <SIbot> In real units: 4 in = 10.16 cm
[06:11] <OZ1SKY_Brian> do have a wire in the trees
[06:13] <OZ1SKY_Brian> do i need some special version of wspr software?
[06:13] <SA6BSS-Mike> no need for speacila fw, just use latest official,
[06:14] <SA6BSS-Mike> the telemetry is scareped of the db with a script and forwarded to habhub
[06:14] <OZ1SKY_Brian> ok ill give it a try, 20m right?
[06:14] <SA6BSS-Mike> yep
[06:14] <SA6BSS-Mike> we have VE3KCL in range
[06:15] <SA6BSS-Mike> at about 2700km betweenbalck sea and caspian sea3
[06:16] <OZ1SKY_Brian> ok its open now
[06:16] <OZ1SKY_Brian> been ages since i tried wspr
[06:16] <OZ1SKY_Brian> just saying waiting to start
[06:17] <OZ1SKY_Brian> do i unclick idle, cant remember?
[06:17] <SA6BSS-Mike> what version?
[06:17] <SA6BSS-Mike> latest here https://sourceforge.net/projects/wsjt/files/wsjtx-2.1.2/
[06:18] <OZ1SKY_Brian> ok ill try that
[06:19] <Darkside> YO3ICT: any more info on your trackers?
[06:20] <OZ1SKY_Brian> hmm installed but cant open
[06:20] <OZ1SKY_Brian> get a dos box that opens and closes again, then nothing
[06:20] <OZ1SKY_Brian> ill try a reboot, brb
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[06:21] <SA6BSS-Mike> Darkside: all info in here https://groups.io/g/HABalloon
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[06:23] <OZ1SKY_Brian> hmm didnt help
[06:23] <SA6BSS-Mike> have no clue , it always been very stable
[06:24] <OZ1SKY_Brian> uninstall and reinstall helped
[06:24] <SA6BSS-Mike> :)
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[06:25] <SA6BSS-Mike> make sure you have asynced computer clock
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[06:26] <OZ1SKY_Brian> RRR done
[06:26] <OZ1SKY_Brian> still waiting to start
[06:27] <OZ1SKY_Brian> unclicked idle
[06:27] <OZ1SKY_Brian> same
[06:27] <OZ1SKY_Brian> is it 1min intervals or?
[06:27] <SA6BSS-Mike> 2min
[06:27] <SA6BSS-Mike> even minutes
[06:27] <OZ1SKY_Brian> see nothing in the waterfall
[06:27] <OZ1SKY_Brian> ok
[06:27] <OZ1SKY_Brian> ill wait and see what happens
[06:28] <SA6BSS-Mike> mine is green on the "Monitor" mark
[06:28] <OZ1SKY_Brian> ok now rxing :-)
[06:28] <OZ1SKY_Brian> rx noice should be adjusted to what?
[06:28] <OZ1SKY_Brian> says 20db atm
[06:28] <SA6BSS-Mike> thats good
[06:29] <OZ1SKY_Brian> ok
[06:29] <SA6BSS-Mike> im aming for 20-30
[06:29] <OZ1SKY_Brian> hear a weak signal
[06:30] <OZ1SKY_Brian> ok was nothingm just a tone
[06:30] <SA6BSS-Mike> 20m pros have been POOOR lately
[06:31] <SA6BSS-Mike> stil ony jave a few weak signals on
[06:31] <OZ1SKY_Brian> ok, its very rare im below 50mhz
[06:31] <SA6BSS-Mike> ok, for me its the other way around :)
[06:31] <SpacenearUS> New vehicle on the map: 03Patch_chase - 12https://tracker.habhub.org/#!qm=All&q=Patch_chase
[06:31] <OZ1SKY_Brian> what BW filter are you using?
[06:32] <OZ1SKY_Brian> on the radio
[06:32] <OZ1SKY_Brian> im at 3.6KHz right now
[06:32] <OZ1SKY_Brian> ok got two decodes now from EX0AA and UA9SY
[06:33] <SA6BSS-Mike> thats about what I hear as well
[06:33] <SA6BSS-Mike> that filter setting id good
[06:33] <OZ1SKY_Brian> ok, let see what happens
[06:34] <OZ1SKY_Brian> antenna is hung N/S, so should be fine for E/W
[06:35] <SA6BSS-Mike> good range of that rx in Japan , well outside LOS
[06:36] <OZ1SKY_Brian> yes thats pretty good
[06:38] <OZ1SKY_Brian> SA6BSS-Mike did i give you this https://github.com/nickoe/dfm09_hacking
[06:39] <OZ1SKY_Brian> one of the sondetrackers here playing with a dfm
[06:39] <SA6BSS-Mike> I belive so , I have seen it before
[06:39] <OZ1SKY_Brian> ok
[06:39] <Darkside> hopefully the DFM17s gain popularity
[06:39] <Darkside> they look great
[06:39] <OZ1SKY_Brian> hi mark, yes i hope so
[06:39] <Darkside> (though requiring 6V is a bit of a pain)
[06:40] <OZ1SKY_Brian> no idea if the airbase is going to change from dfm09, but at some point they must run out and dfm09 will be EOF
[06:40] <OZ1SKY_Brian> EOL
[06:40] <SpacenearUS> New position from 03K6STS-15 after 03a day silence - 12https://tracker.habhub.org/#!qm=All&q=K6STS-15
[06:41] <OZ1SKY_Brian> and thanks for the update, nice to have the batt on the dfm decoder
[06:45] <Darkside> glad its useful!
[06:53] <OZ1SKY_Brian> does wspr upload to pskreporter, not showing anything for my call?
[06:53] <SA6BSS-Mike> you have to enable upload in the meny
[06:54] <OZ1SKY_Brian> yes
[06:57] <SpacenearUS> New position from 03ICT4 after 0317 hours silence - 12https://tracker.habhub.org/#!qm=All&q=ICT4
[07:05] <OZ1SKY_Brian> SA6BSS-Mike are you seeing any payloads?
[07:15] <SA6BSS-Mike> no, latest telemetry came in 7:10
[07:15] <SA6BSS-Mike> from ve3kcl payload
[07:15] <OZ1SKY_Brian> ok
[07:16] <OZ1SKY_Brian> looks like wsprnet is getting my uploads, but not pskreporter
[07:18] <SA6BSS-Mike> ok, never use psk so dony know
[07:19] <SA6BSS-Mike> ve3kcl comming through again
[07:19] <OZ1SKY_Brian> not seeing anything right now
[07:20] <SA6BSS-Mike> it have a qrss in front of it
[07:20] <OZ1SKY_Brian> just a russian in the windows
[07:20] <SA6BSS-Mike> oh, it didnt decode but I see the qrsss in front of it hats warms the tcxo
[07:20] <OZ1SKY_Brian> r0agl
[07:20] <SA6BSS-Mike> now the telemetry comming
[07:20] <SA6BSS-Mike> upper edge of the bandpass
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[07:21] <OZ1SKY_Brian> your tuned to 14095.60 right?
[07:22] <SA6BSS-Mike> the decode of the telemetry came throufgh
[07:22] <OZ1SKY_Brian> ok nice, not seeing it here
[07:23] <SA6BSS-Mike> https://imgur.com/a/OK1g4MU
[07:24] <OZ1SKY_Brian> what software is that?
[07:24] <SA6BSS-Mike> wsjtx
[07:24] <OZ1SKY_Brian> not like wspr here
[07:24] <OZ1SKY_Brian> ah ok
[07:24] <SA6BSS-Mike> it whats used since a couple of years
[07:24] <SA6BSS-Mike> from the link I posted
[07:24] <OZ1SKY_Brian> running wspr 2.12 here
[07:25] <OZ1SKY_Brian> let me try wsjtx
[07:25] <SA6BSS-Mike> thats the VERY old one
[07:25] <OZ1SKY_Brian> yes ok, allready got wsjtx, use it for ft8
[07:25] <SA6BSS-Mike> yes, its the same
[07:29] <OZ1SKY_Brian> ok up and running now
[07:30] <SA6BSS-Mike> rr
[07:31] <SA6BSS-Mike> I got ve3kcl o now, it tx start 08 / 18 and so on, followed by telemetry at 00/10/20 and so on
[07:33] <OZ1SKY_Brian> ok not seeing it here
[07:33] <OZ1SKY_Brian> m0hgu only decode
[07:34] <YO3ICT> every period here i see ~ 10 signals on 20m WSPR
[07:35] <SA6BSS-Mike> completely dead here
[07:35] <SA6BSS-Mike> on the vertical almost nothong
[07:35] <SA6BSS-Mike> on the longwire / bew just one or two every pass
[07:36] <OZ1SKY_Brian> got 3 decodes this time
[07:37] <OZ1SKY_Brian> turned the AGC off, maybe that did it
[07:38] <OZ1SKY_Brian> do you have "perfer type 1 messages" enabled?
[07:38] <OZ1SKY_Brian> just below "upload spots"
[07:38] <SA6BSS-Mike> yes
[07:38] <OZ1SKY_Brian> R
[07:40] <SA6BSS-Mike> the ve3kcl is just 10mW and its 2700km away.... so not an easy rx
[07:41] <OZ1SKY_Brian> yeah, i doo se up to 5600km, but cant compair that to a payload
[07:42] <OZ1SKY_Brian> its russians, and they never do under 1KW :-)
[07:42] <OZ1SKY_Brian> thats the russian baselilne :-)
[07:42] <SA6BSS-Mike> hehe, I have rx:d my own balloons up over 5000km
[07:42] <SA6BSS-Mike> and a few other as well, but god props a the moment ofc
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[08:04] <SpacenearUS> New position from 03SP5WWL after 036 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP5WWL
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[08:52] <SpacenearUS> New vehicle on the map: 0319GSN069_chase - 12https://tracker.habhub.org/#!qm=All&q=19GSN069_chase
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[09:19] <SM0ULC-David> hi guys
[09:40] <OZ1SKY_Brian> hi david
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[10:27] <SpacenearUS> New position from 03SP5WWL-11 after 036 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP5WWL-11
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[12:38] <SpacenearUS> New position from 03W5KUB-16 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=W5KUB-16
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[12:58] <SpacenearUS> New vehicle on the map: 03PY5NF_chase - 12https://tracker.habhub.org/#!qm=All&q=PY5NF_chase
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[14:00] <SpacenearUS> New vehicle on the map: 03SP6ARO_chase - 12https://tracker.habhub.org/#!qm=All&q=SP6ARO_chase
[14:13] <SpacenearUS> New vehicle on the map: 03PE2BZ-cam - 12https://tracker.habhub.org/#!qm=All&q=PE2BZ-cam
[14:42] <SpacenearUS> New vehicle on the map: 03Py2uep_chase - 12https://tracker.habhub.org/#!qm=All&q=Py2uep_chase
[15:08] <SpacenearUS> New vehicle on the map: 03PC4L_1119 - 12https://tracker.habhub.org/#!qm=All&q=PC4L_1119
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[16:39] <SpacenearUS> New position from 03U4B-1 after 0318 hours silence - 12https://tracker.habhub.org/#!qm=All&q=U4B-1
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[17:05] <SpacenearUS> New vehicle on the map: 03PU5YBT_chase - 12https://tracker.habhub.org/#!qm=All&q=PU5YBT_chase
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[19:43] <chris_99> SpeedEvil: i was just reading this https://nationalinterest.org/blog/buzz/why-russia-fears-sweden%E2%80%99s-deadly-submarines-25896 thought it was interesting, after you mentioned about those stirling engines the other day, that's apparently what their subs use, with cryogenic oxygen
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[20:59] <SpeedEvil> indeed. They are hard to find on the cheap market.
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[20:59] <chris_99> one thing i don't understand re. sterling engine, are you cooling the cold part somehow then?
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[21:21] <SM0ULC-David> chris_99: yes, we have had them for some time. pretty cool ones. been aboard one when i was in the service.
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[21:22] <chris_99> oh neat :) i'm slightly confused though, why can't the stirling engine drive the sub prop directly?
[21:22] <chris_99> rather than generating electricity
[21:25] <SM0ULC-David> chris_99: not sure, but the stirlning engine likes a constant rpm
[21:25] <chris_99> ahh
[21:26] <SM0ULC-David> also you get loss in a gearbox aswell as with the inverters..
[21:26] <chris_99> good point
[21:27] <SM0ULC-David> but it was kind of weird seeing the small engines in their closets and the huge h2-tanks
[21:30] <chris_99> :) i find the degaussing thing pretty fascinating, how you can apparently detect submarines nearby from magnetic field changes
[21:33] <SM0ULC-David> that's cool
[21:33] <SM0ULC-David> as with the magnetic mines, but those are not that sensitive as those detectors
[21:34] <chris_99> the type of mines that stick on ships you mean?
[21:34] <SM0ULC-David> no, they sense metall nearby
[21:35] <chris_99> oh wow, just reading about them - https://en.wikipedia.org/wiki/Naval_mine
[21:35] <chris_99> not heard of them before
[21:36] <SM0ULC-David> i've done a tour on a minesweeper, ship totally made from plastics
[21:36] <chris_99> wow heh, didn't know you could make a ship like that
[21:37] <SM0ULC-David> there are a few degaussing-stations in sweden where you go with the ship an measure it
[21:38] <chris_99> neat :)
[21:38] <chris_99> Have you heard of these - https://en.wikipedia.org/wiki/Gravimeter " The first transportable relative gravimeters were, reportedly, a secret military technology developed in the 19501960s as a navigational aid for nuclear submarines" i'd like to know more about that
[21:39] <SM0ULC-David> https://en.wikipedia.org/wiki/Styrs%C3%B6-class_mine_countermeasures_vessel
[21:39] <SM0ULC-David> it was on one of those ships i sailed some time
[21:40] <chris_99> cool! i didn't think you could make something like that from fibreglass
[21:41] <SM0ULC-David> yes, took some courses on geodesy at uni, included navigation/gps etc. gravimeters are cool stuff
[21:42] <chris_99> if you're on a ship, do you also have to know how to navigate by the stars too? or is that not really useed anymore
[21:43] <SM0ULC-David> pretty light ships, no so fun when big waves, had my radio-cabin i the back of the bridge on the top of the ship
[21:43] <SM0ULC-David> yes, it's included in the certfication for driving the ship¨
[21:43] <russss> chris_99: yes, you still have to learn that. The military is getting big on it again because of the possibility of GPS jamming etc
[21:43] <chris_99> oh cool!
[21:44] <chris_99> some day i'd like to use a wide lens, and sensor, to try and make something to tell where you are from the stars at night, using star maps and a computer, dunno how hard that'd be though
[21:44] <russss> but you still technically need to know how to navigate your ship with no electronics at all
[21:45] <chris_99> aha, makes sense
[21:45] <SM0ULC-David> chris_99: one more cool thing about that ship was the "propellers", https://en.wikipedia.org/wiki/Cyclorotor
[21:45] <russss> even though there are usually many levels of redundancy on a large ship
[21:46] <SM0ULC-David> if you get a really heavy storm on the sun or someone is jamming rf it's nice to be able to pinpoint where you are..
[21:47] <russss> I expect military vessels have really good inertial navigation as a backup these days though
[21:47] <SM0ULC-David> yes
[21:47] <chris_99> cheers, not heard of a cyclorotor before, i think https://en.wikipedia.org/wiki/Magnetohydrodynamic_drive#Marine_propulsion is cool
[21:49] <chris_99> i was looking at https://en.wikipedia.org/wiki/Hemispherical_resonator_gyroscope yesterday re. IMUs, that seems to be mainly made my defence companies too
[21:50] <SM0ULC-David> yeah, pretty amazing engines
[21:51] <SM0ULC-David> oh, didn't now of that device
[21:58] <SM0ULC-David> time to get some sleep, cheers
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[22:01] <chris_99> bon nuit
[22:02] <chris_99> the other day i was looking for an IMU survey type paper, just found https://apps.dtic.mil/dtic/tr/fulltext/u2/a581016.pdf which is really good, it has a nice little graph at the bottom, showing precision
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[22:08] <russss> some actual numbers in this datasheet https://www.raytheon-anschuetz.com/fileadmin/content/Downloads/Brochures/marine-inertial-navigation-system-2.pdf
[22:10] <russss> <1.5 nautical mile position error over 8 hours "(Higher accuracy are available, however export restrictions may apply)"
[22:10] <chris_99> neat thanks, it doesn't seem to say what type of sensors it's using alas
[22:11] <russss> ring laser gyro I think
[22:12] <russss> in fact it's on the second page
[22:12] <russss> also this one https://aerospace.honeywell.com/content/dam/aero/en-us/documents/learn/products/navigation-and-radios/brochures/N61-1478-000-000-TALIN-MINS-bro.pdf?download=true
[22:13] <russss> <1.5 nautical mile over 24 hours for the top model.
[22:13] <russss> using <30W power, pretty incredible
[22:14] <chris_99> mm that does sound impressive
[22:16] <russss> seems like fibre optic gyros are the new hotness in this space https://en.wikipedia.org/wiki/Fibre-optic_gyroscope
[22:16] <russss> and also remarkably simple
[22:22] <chris_99> yeah that looks very interesting, i'm curious what's among the best for an accelerometer, i'll read that survey paper in detail, but on the bottom graph it mentions cold atom or mechanical for 'very precise navigation'. , so curious what the fancy mechanical ones look like
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[23:16] <SpacenearUS> New position from 03BSS24 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=BSS24
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[00:00] --- Sun Apr 5 2020