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[02:54] <SpacenearUS> New position from 03W5KUB-108 after 0317 hours silence - 12https://tracker.habhub.org/#!qm=All&q=W5KUB-108
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[04:02] <SpacenearUS> New position from 03WB0URW-15 after 0316 hours silence - 12https://tracker.habhub.org/#!qm=All&q=WB0URW-15
[05:28] <SpacenearUS> New position from 03SA6BSS-8 after 0313 hours silence - 12https://tracker.habhub.org/#!qm=All&q=SA6BSS-8
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[05:49] <VK5QI> ok, latest horus-gui will point a rotctld or pstrotator rotator :-)
[06:03] Kodar (~Kodar@93-142-58-250.adsl.net.t-com.hr) joined #highaltitude.
[06:20] <SpacenearUS> New position from 03DG4NOB-7 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=DG4NOB-7
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[06:31] <SpacenearUS> New position from 03KD2FOU-11 after 032 days silence - 12https://tracker.habhub.org/#!qm=All&q=KD2FOU-11
[06:33] <SpacenearUS> New position from 03SA6BSS-7 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=SA6BSS-7
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[07:30] <SpacenearUS> New position from 03K6RPT-14 after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=K6RPT-14
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[08:20] <SpacenearUS> New position from 03SQ6NLN-4FSK after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=SQ6NLN-4FSK
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[09:17] <SpacenearUS> New vehicle on the map: 03SP9DEV-13 - 12https://tracker.habhub.org/#!qm=All&q=SP9DEV-13
[09:27] <SpacenearUS> New position from 03SP6QKM-4FSK after 0320 hours silence - 12https://tracker.habhub.org/#!qm=All&q=SP6QKM-4FSK
[09:29] <SpacenearUS> New vehicle on the map: 03SP6ZWR-4FSK - 12https://tracker.habhub.org/#!qm=All&q=SP6ZWR-4FSK
[09:30] <SpacenearUS> New vehicle on the map: 03SQ6RQT-4FSK - 12https://tracker.habhub.org/#!qm=All&q=SQ6RQT-4FSK
[09:30] <SpacenearUS> New vehicle on the map: 03SP9DEV-11 - 12https://tracker.habhub.org/#!qm=All&q=SP9DEV-11
[09:30] <SpacenearUS> New vehicle on the map: 03SP9DEV-12 - 12https://tracker.habhub.org/#!qm=All&q=SP9DEV-12
[09:30] <SpacenearUS> New vehicle on the map: 03SQ6NLN-12 - 12https://tracker.habhub.org/#!qm=All&q=SQ6NLN-12
[09:34] <SpacenearUS> New position from 03SP6QKM-12 after 0311 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP6QKM-12
[09:38] <SpacenearUS> New vehicle on the map: 03SP6ZWR-12 - 12https://tracker.habhub.org/#!qm=All&q=SP6ZWR-12
[09:39] <VK5QI> poland launchathon!
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[09:48] <SpacenearUS> New vehicle on the map: 03SP6TO_chase - 12https://tracker.habhub.org/#!qm=All&q=SP6TO_chase
[09:55] <SpacenearUS> New vehicle on the map: 03PD5MF-4FSK - 12https://tracker.habhub.org/#!qm=All&q=PD5MF-4FSK
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[10:00] <SpacenearUS> New vehicle on the map: 03SQ6ODL-12 - 12https://tracker.habhub.org/#!qm=All&q=SQ6ODL-12
[10:16] ZeeDownUnder (~ZeeDownUn@61-245-131-229.3df583.per.nbn.aussiebb.net) joined #highaltitude.
[10:21] <ZeeDownUnder> Hi, does habhub have a way for me to query a particular payload and return it's data in JSON format?  The parser logtail is close to what I would like, but I'd rather be able to just run a query .
[10:24] Suterusu (~EyeR@Morrigan.Armed.Me.Uk) joined #highaltitude.
[10:34] <SpacenearUS> New vehicle on the map: 03SR9KFZ-2 - 12https://tracker.habhub.org/#!qm=All&q=SR9KFZ-2
[11:00] <daveake> @
[11:02] <daveake> ZeeDownUnder Yes - e.g. http://legacy-snus.habhub.org/tracker/datanew.php?mode=Position&type=positions&format=json&max_positions=10&vehicles=TTGO
[11:13] <ZeeDownUnder> Perfect, many thanks daveake
[11:13] <daveake> np
[11:13] <VK5QI> also via /ept/
[11:13] <VK5QI> though datanew is the 'correct' way to get it
[11:14] <VK5QI> if you are trying to extract data for a particular flight, then habitat.habhub.org/ept/ is probably the most user-friendly way
[11:14] <VK5QI> datanew is more oriented towards what the tracker needs, and there's a bit of an abstraction layer between datanew.php and the actual habitat database
[11:17] <VK5QI> ZeeDownUnder: are you in the WAFreeNet Discord?
[11:17] <ZeeDownUnder> Just trying to write a little bit of software to calculate AZ/EL values for our hand tracked ground station. Just need a quick and dirty way to figure out which way to point the yagis
[11:17] <ZeeDownUnder> I am
[11:17] <VK5QI> if there's a horus binaery payload on the flight, then horus-gui gives you that info
[11:18] <VK5QI> and will even point a computer-controlled rotator, if you cna get one
[11:18] <VK5QI> https://raw.githubusercontent.com/projecthorus/horus-gui/master/doc/horusgui_screenshot.png
[11:18] <VK5QI> az/el obviously crap in that example, but the info is there
[11:18] <ZeeDownUnder> There will be as a backup source, but we are using flextrak as the main source.
[11:19] <VK5QI> on 915 mhz?
[11:19] <VK5QI> lool
[11:19] <VK5QI> you'll get far better range and reliability with the 4fsk payload
[11:19] <VK5QI> but fine
[11:20] <daveake> Re the al/ez, Phil Crump wrote a Python script to do that
[11:20] <VK5QI> yeah, its been done a heap of times
[11:20] <ZeeDownUnder> Oh I know, but we have the hardware. Short of replacing the Hoperf modules.
[11:20] <daveake> It probably needs the URL updated after snus disappeared
[11:20] <VK5QI> i've written it at least 3 tims now
[11:20] <VK5QI> times*
[11:20] <daveake> lol
[11:21] <daveake> Only recently I wrote some code, and halfway thru thought I'd done it before. Which I had.
[11:21] <VK5QI> one for some command line crap i wrote years back, then second when i first did the horus ground station code, then most recently when adding it to horus-gui (though i copied code from the horus ground station stuff)
[11:21] <VK5QI> i keep using the same position_info function though :P
[11:21] <daveake> :) Code reuse ftw
[11:22] <VK5QI> actually i just realised, this https://github.com/projecthorus/horus_utils/wiki#habitat-bridge plus this https://github.com/projecthorus/horus_utils/wiki#rotatorgui possibly does the job
[11:22] <VK5QI> though its across multiple programs.... and i'm not sure its all working anymore :P
[11:22] <SA6BSS-Mike> wasnt there a program called habrotate or something like that
[11:23] <SA6BSS-Mike> https://github.com/philcrump/habrotate
[11:23] <daveake> https://philcrump.co.uk/HABrotate
[11:23] <daveake> snap
[11:23] <SA6BSS-Mike> :)
[11:23] <daveake> Yes that's the one I mentioned
[11:23] <ZeeDownUnder> Thanks, I will take a look into it.
[11:24] <VK5QI> ahh uses pstrotator
[11:24] <VK5QI> ZeeDownUnder: also... the tracker itself tells you az/el to the payload
[11:24] <VK5QI> if you haven't noticed
[11:25] <VK5QI> if your position is set on the tracker, then at the top right it shows the bearing and elevation of the payload
[11:26] <VK5QI> so.. your solution might just be to open the tracker page from somethign that can provide location services, then click on your payload and look at the top-right of the map..
[11:26] <VK5QI> if you want to computer control something, then sure go write some code, but if you're just manually pointing it, then thats probably all you need
[11:27] <daveake> <advert> My HAB Base does it also </advert>
[11:27] <ZeeDownUnder> No, I hadn't noticed before, but I do block location services so that's probably why.  Looks like that would solve it for us. Very nice
[11:27] <daveake> cool
[11:31] <VK5QI> ZeeDownUnder: what power is your flextrak set to
[11:33] <VK5QI> the problem with the 915 mhz band in australia is that if you want to be LIPD class-license compliant, you are limited to 3mW, unless you are frequency hopping
[11:33] <VK5QI> (in which case the limit is 1W)
[11:35] <VK5QI> though it kind of depends on the reading of the LIPD class license...
[11:36] <VK5QI> there's this nebulous entry in there for 'digital modulation transmitters' that provides a 1W limit... but a peak power spectral density of 25 mW per 3kHz... which for LoRa... dunno?
[11:38] <ZeeDownUnder> Can't remember, don't have the config in front of me right now.
[11:40] <VK5QI> a conservative estimate of that peak power density, especially in the slower lora modes would be... 25mW limit
[11:41] <bertrik> the LoRa signal has symbols that are basically full sweeps over the full configured bandwidth, the symbol value is encoded in the frequency/timing offset
[11:41] <VK5QI> yeah, but it talks about peak spectral density per 3 khz
[11:42] <VK5QI> if thats meant to be instantaneous peak, then that would be when that sweep is located within that 3khz
[11:42] <VK5QI> i think the majority of systems that operate in that band just use frequency hopping anyway..
[11:46] <bertrik> I meant to say that LoRa has nearly perfect distribution of power over the bandwidth, so if you have a 10 mW LoRa signal in 10 kHz, that's 1 mW/kHz
[11:48] <VK5QI> bertrik: averaged over time, yes
[11:48] <VK5QI> for the slower modes you can *hear* the sweeping
[11:49] <VK5QI> the problem is the class license just says 'peak power density'. it doesn't talk about any time averaging
[11:50] <VK5QI> so, given LoRa is swept CW, if you take that peak power density at some instant in time, then that's... a CW signal
[11:51] <VK5QI> of course you could make similar arguments about other modulations too, but with LoRa, especially at the slower rates, it's a bit more obvious
[11:52] <bertrik> yes, you're right I guess, in principle it's a simple waveform, just swept carrier with constant amplitude
[11:54] <VK5QI> literally all the legislation says is "The radiated peak power spectral density in any 3 kHz must not exceed 25 mW per 3 kHz."
[11:55] <VK5QI> also that's EIRP, not power into antenna. so if you start adding antenna gain, e.g. for an uplink...
[11:55] <VK5QI> more reasons why most systems use frequency hopping... then they can at least do 1W
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[12:25] <PE2BZ> !dial pd5mf-4fsk
[12:25] <SpacenearUS> 03PE2BZ: Can't find a flight doc matching your query
[12:26] ZeeDownUnder (~ZeeDownUn@61-245-131-229.3df583.per.nbn.aussiebb.net) left irc: Quit: Client closed
[13:09] <SpacenearUS> New vehicle on the map: 03MAXHD-4FSK-mobil_chase - 12https://tracker.habhub.org/#!qm=All&q=MAXHD-4FSK-mobil_chase
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[13:46] <SpacenearUS> New vehicle on the map: 03K6RPT-15 - 12https://tracker.habhub.org/#!qm=All&q=K6RPT-15
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[14:03] <SpacenearUS> New position from 03SP9SKP after 039 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP9SKP
[14:23] Nick change: _Token_ -> Token
[14:41] <PE2BZ> !dial pd5mf-4fsk
[14:41] <SpacenearUS> 03PE2BZ: Latest dials for 03PD5MF-4FSK 10(6bc4): 03437.6 MHz, 437.5998 MHz, 437.60165 MHz
[15:00] <SpacenearUS> New position from 03NOB9 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=NOB9
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[15:35] <SpacenearUS> New position from 03SP3IZN-4FSK after 036 days silence - 12https://tracker.habhub.org/#!qm=All&q=SP3IZN-4FSK
[16:18] <SpacenearUS> New position from 03PE2BZ-V2 after 0321 hours silence - 12https://tracker.habhub.org/#!qm=All&q=PE2BZ-V2
[16:20] <SpacenearUS> New vehicle on the map: 034FSKTEST-V2 - 12https://tracker.habhub.org/#!qm=All&q=4FSKTEST-V2
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[16:25] Nick change: PD2RVK -> Guest4120
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[17:52] <SpacenearUS> New position from 03VORTEX1 after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=VORTEX1
[17:53] <SpacenearUS> New vehicle on the map: 03W5kub_chase - 12https://tracker.habhub.org/#!qm=All&q=W5kub_chase
[17:54] <SpacenearUS> New position from 03DG4NOB-13 after 038 days silence - 12https://tracker.habhub.org/#!qm=All&q=DG4NOB-13
[17:59] <SpacenearUS> New position from 034FSKTEST after 0318 hours silence - 12https://tracker.habhub.org/#!qm=All&q=4FSKTEST
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[18:58] <SpacenearUS> New position from 03NOB11 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=NOB11
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[21:13] <SpacenearUS> New vehicle on the map: 03Sp6vxj_chase - 12https://tracker.habhub.org/#!qm=All&q=Sp6vxj_chase
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[00:00] --- Mon Mar 7 2022