highaltitude.log.20190828

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[04:52] <SpacenearUS> New position from 03TA2MUN-4 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=TA2MUN-4
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[06:09] <SpacenearUS> New position from 03ICT3 after 034 days silence - 12https://tracker.habhub.org/#!qm=All&q=ICT3
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[07:10] <SpacenearUS> New position from 03KA6TVU-11 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=KA6TVU-11
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[09:46] <SpacenearUS> New vehicle on the map: 03POSTCARD - 12https://tracker.habhub.org/#!qm=All&q=POSTCARD
[09:46] <SpacenearUS> New position from 03SPACEPOST after 0320 hours silence - 12https://tracker.habhub.org/#!qm=All&q=SPACEPOST
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[10:53] <SpacenearUS> New vehicle on the map: 03KZN_PITS - 12https://tracker.habhub.org/#!qm=All&q=KZN_PITS
[10:56] <PE2BZ> SA6BSS-Mike|2, good afternoon, did you ever get to interesting thoughts about a radiochip that fits the RS41 but can transmit on 144 MHz ?
[10:57] <Darkside> :/
[10:57] <Darkside> do any of the silabs fit in that form factor go down that low?
[10:58] <PE2BZ> We can do external wiring. The thing is my software knowledge gives me no clue how an SI4032 is modulated for both FM APRS and SSB rtty from the software.
[10:59] <PE2BZ> Which I should need to know if I am considering other radio chip types (even considered the SI5351a)
[10:59] <Darkside> mm not sure how the FM APRS is done either
[10:59] <Darkside> i have suspicions, all of which mean the modulation is likely very nasty
[11:06] Action: PE2BZ is going to take a look at the software.
[11:06] <SpacenearUS> New vehicle on the map: 03LTS-2 - 12https://tracker.habhub.org/#!qm=All&q=LTS-2
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[11:17] <daveake> I see the latest rage is to do the payload doc after launch ^^
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[11:19] <Darkside> yup
[11:38] <PE2BZ> lts-2 you mean? Appears to be a sits experiment. Very weak signal.
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[11:50] <daveake> yeah, Jordan was in habhub checking the doc earlier
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[11:50] <daveake> I've got a cheap VNA coming so I predict nice strong signals from my flights in future :)
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[11:55] <SpacenearUS> New vehicle on the map: 03KZNCar_chase - 12https://tracker.habhub.org/#!qm=All&q=KZNCar_chase
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[12:46] <SpacenearUS> New position from 03KD0HIP-7 after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=KD0HIP-7
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[13:34] <SA6BSS-Mike|2> PE2BZ: no, I just compared the footprint with the si4x6x series aka4060 4460 4463 etc but its quite different and as I have a working solution with the om3bc tracker I
[13:34] <SA6BSS-Mike|2> did not invetigate deeper
[13:36] <SA6BSS-Mike|2> I got a message that my ttgo board is ready for pickup, will be a interesting evening! https://twitter.com/dl2mf/status/1119949032816873474
[13:36] Nick change: SA6BSS-Mike|2 -> SA6BSS-Mike
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[13:53] <Nazukeoya> For a weather balloon launch targeting about 35,661 meters, what ascent rate range should I target?
[13:56] <dbrooke> there's an estimator at http://randomaerospace.com/Random_Aerospace/Balloons.html
[14:01] <Nazukeoya> Thanks. I've found several calculators that will tell me end ascent rate given balloon size and payload weight, I'm just curious if there's a certain m/s ascent rate I should aim for so that it's not ascending too slow or too fast.
[14:02] <dbrooke> typically 5m/s
[14:03] <Nazukeoya> ah good to know, thanks. That's very helpful, my current rate is 5.6 m/s.
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[14:10] <dbrooke> sounds reasonable, if you've not already seen it then I'd recommend a read of http://www.daveakerman.com/?p=1732
[14:13] <Nazukeoya> Cool thanks, I'll read that a little later today. A few buddies and I did a launch back in 2014 but it was flying by the seat of our pants. We were successful, but we weren't disciplined in our helium measurements and it landed 885 km away.
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[15:13] <SpacenearUS> New position from 03DK3SB-13 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=DK3SB-13
[15:17] Nick change: pe2bz_ -> PE2BZ
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[15:28] <SpacenearUS> New position from 03KA6TVU-12 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=KA6TVU-12
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[16:58] <g00> hi, anyone knows what's up with radiosondy.info?
[17:31] <SpacenearUS> New vehicle on the map: 03KD0AWK-1 - 12https://tracker.habhub.org/#!qm=All&q=KD0AWK-1
[17:31] <SpacenearUS> New vehicle on the map: 03KD0AWK-2 - 12https://tracker.habhub.org/#!qm=All&q=KD0AWK-2
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[18:09] <SpacenearUS> New vehicle on the map: 03CALLSIGN123_chase - 12https://tracker.habhub.org/#!qm=All&q=CALLSIGN123_chase
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[19:45] <SpacenearUS> New vehicle on the map: 03SP8NCG-4FSK - 12https://tracker.habhub.org/#!qm=All&q=SP8NCG-4FSK
[20:02] <Pit[m]2> Looks like Sondy have some issues.
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[20:41] <SpacenearUS> New position from 03ICT3 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=ICT3
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[00:00] --- Thu Aug 29 2019