highaltitude.log.20200622

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[06:20] <SpacenearUS> New vehicle on the map: 03PC4L-RTTY - 12https://tracker.habhub.org/#!qm=All&q=PC4L-RTTY
[06:20] <SpacenearUS> New position from 03PC4L-LORA after 0319 hours silence - 12https://tracker.habhub.org/#!qm=All&q=PC4L-LORA
[07:07] <SpacenearUS> New position from 03MJA-soLar after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=MJA-soLar
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[07:16] <SpacenearUS> New position from 03W5KUB-18 after 0314 hours silence - 12https://tracker.habhub.org/#!qm=All&q=W5KUB-18
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[08:48] <on4aol> gm know someone a little bit more about the RTTY settings for PC4L ?
[08:50] <PC4L> sure :) 434.6325 200bd 7,n,2, shift 610
[08:50] <PC4L> lora mode 2
[08:51] <PC4L> don´t panic, there is a power issue, so many piiieeeppp and often gps reset
[08:51] <on4aol> Ok tnx Marcel , ik luister wel even op rtty , alles is wel nog niet opgesteld , succes ermee , Luc
[08:52] <PC4L> Top Luc, met deze stijgsnelheid heb je nog wel even om alles in de lucht te brengen HI
[08:52] <on4aol> goed nieuws dus !
[08:59] <on4aol> Marcel , ik vermoed USB ?
[09:00] <on4aol> eerste maal dit spul
[09:00] <PC4L> yes USB, let´s do Private Message ;)
[09:05] <on4aol> ok , how ? this channel but PC4L ?
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[09:17] <SpacenearUS> New position from 03PS-76 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=PS-76
[09:22] <SA6BSS-Mike|2> if anyones interested, here a a very small writeup and compilation of files, fw and eagle, needed to build the om3bc aprs,rtty,cw tracker https://www.qsl.net/sa6bss/hab.html
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[09:39] <SpacenearUS> New position from 03BB10 after 0315 hours silence - 12https://tracker.habhub.org/#!qm=All&q=BB10
[09:40] <PC4L> nice project Mike
[09:44] <SA6BSS-Mike|2> :)
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[10:14] <Ron_G8FJG> PC4L LORA 432,625 Mode 2
[10:16] <PC4L> yep
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[10:35] <PC4L> hard to get Ron, just outside the blue circle?
[10:37] <Ron_G8FJG> it was better when further out, bit of refraction .... using two different antenna one V otherH pol
[10:39] <Ron_G8FJG> "only" 6mtrs asl here ....one hill about 20km away is the only obstruction between me and you !!!
[10:40] <Ron_G8FJG> going away now faster than its going up... :-(
[10:41] <PC4L> aha so I could also use a flashlight and try some CW :)
[10:42] <Ron_G8FJG> dont do cw ..too old to get to grips with it now :-)
[10:42] <PC4L> yes 22gr, this is his highest point I quess... me neither just TU 5NN ;)
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[11:29] <SpacenearUS> New vehicle on the map: 03X0 - 12https://tracker.habhub.org/#!qm=All&q=X0
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[12:41] <SpacenearUS> New vehicle on the map: 03On8ptz_chase - 12https://tracker.habhub.org/#!qm=All&q=On8ptz_chase
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[13:33] <SpacenearUS> New position from 03TRILO after 033 days silence - 12https://tracker.habhub.org/#!qm=All&q=TRILO
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[14:05] <SpacenearUS> New vehicle on the map: 0319GSN0013_chase - 12https://tracker.habhub.org/#!qm=All&q=19GSN0013_chase
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[14:27] <Ianrw> Hi, I am new to UKHAS having started 3 weeks ago working towards a South East UK based High Altitude Balloon/GoPro project launching next year. Ref https://ukhas.org.uk/guides:linkingarduinotontx2 My breadboard/Arduino Pro(3.3V/8MHz)/NTX2B test assembly is up & running, having eventually managed to get dl-fldigi running on my laptop with both an
[14:27] <Ianrw> AR8000 & RTL 2832U SDR working, but instead of "RTTY TEST RTTY TEST" dl-fldigi prints out the following repeating character set:- ``p|`p~s|@````p|`p~s|@```Cx`x```p|`p~s|@````p|`p~s|@```Cx`x```p|`p~s|@````p|`p~s|@```Cx`x`s|`p~s|@``p|`p|`p~s I have put a post on the UKHAS forum, but no one has yet come forward with comment. I have checked & checked
[14:27] <Ianrw> again for typos in the code, which was hand typed, not copied. The RTTY settings in dl-fldigi are as per the guide, except that the frequency shift on my set up, with the resistors used, is 680Hz. Can anyone help & if so how can I upload the .ino file or can I just copy & paste here? Note I am also new to the Webchat experience!
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[15:06] <SpacenearUS> New vehicle on the map: 03AIRCOR-3 - 12https://tracker.habhub.org/#!qm=All&q=AIRCOR-3
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[17:27] <Viproz> OZ1SKY_Brian, On the same sdr or on different SDRs? On your mail you made it sound like you were using different SDRs for auto_rx and for radiosondy
[17:43] <OZ1SKY_Brian> hi, i do, one pi with radiosondy and 3 sdr and another pi with auto_rx and 3 sdr
[17:53] <Viproz> OZ1SKY_Brian, Why are you not just running one pi with 3 sdr feeding the data to sondehub and radiosondy ?
[17:55] <Viproz> this https://github.com/projecthorus/radiosonde_auto_rx/blob/master/auto_rx/station.cfg.example#L162 worked last time I used it
[17:56] <OZ1SKY_Brian> because i need more than 3 rx total
[17:57] <OZ1SKY_Brian> auto_rx will not run with 4 or more sdr because of the usb power limit
[17:57] <SA6BSS-Mike|2> I think he isaying you can feed both sondehub and sondy with the same 3 sdr
[17:58] <SA6BSS-Mike|2> at onece
[17:58] <OZ1SKY_Brian> the pi can not supply more than 3 and a powered usb hub does not work, i tried that with to models and it failed
[17:58] <OZ1SKY_Brian> i know, but just 3, if i want more its not possible
[17:59] <OZ1SKY_Brian> iam aware auto_rx feeds both systems, but its the 3 sdr limit thats my issue
[17:59] <OZ1SKY_Brian> with the current setup i can decode 3 sondes on auto_rx and 8 in radiosondy all at once
[17:59] <SIbot> In real units: 8 in = 20.32 cm
[18:00] <Viproz> Yeah for this situation we would need to code something to cover all the bandwidth and then process all the RS within the 6MHz range
[18:00] <OZ1SKY_Brian> thats not possible on a single auto_rx
[18:00] <OZ1SKY_Brian> yes they work in different ways the two softwares.
[18:01] <SA6BSS-Mike|2> ahh, you want the number of rx:d sondes to be high, then ofc 2 pis with 3 sdr in ech
[18:02] <OZ1SKY_Brian> that would still make 6 RX total
[18:02] <OZ1SKY_Brian> the other setup makes 3+8
[18:03] <OZ1SKY_Brian> but i like having both, it gives some options, as they dont work in the same way
[18:03] <Viproz> Darkside, last time we talked about more data processing in auto_rx you were waiting for another software similar to csdr, did it come out in the end ?
[18:04] <OZ1SKY_Brian> auto_rx is perfect for knowen and unknown sondes, radiosondy you need to define all freq and is not good for unknowens.
[18:04] <SA6BSS-Mike|2> auto_rx on a pi4 with an rsp1a :) taht would be nice, all bw in one radio, just pie the audio from every found sonde
[18:04] <SA6BSS-Mike|2> *pipe
[18:04] <SM0ULC-David> probably need more computing-power
[18:05] <Viproz> SA6BSS-Mike|2, yeah given the processing power available we could scan all the SDR bandwidth and decode all available RS at the same time
[18:05] <OZ1SKY_Brian> please hear me right, im not criticising anything, im saying i like to have both, because it gives me some options
[18:06] <SM0ULC-David> i also thought about playing with n-finite receiver :)
[18:06] <Viproz> OZ1SKY_Brian, yeah no worries, it's just that it could be a nice improvement to auto_rx :)
[18:07] <SA6BSS-Mike|2> Mark have done a good job so far :)
[18:07] <SM0ULC-David> i have made a simple thing for ft8 which cuts the iq-stream into 15s chunks that later processed by fq etc
[18:07] <OZ1SKY_Brian> yes he has, and auto_rx is also my prime tracker
[18:08] <OZ1SKY_Brian> on ft8 right now david :-)
[18:08] <Viproz> indeed, I love the integration with chasemapper for hunting too
[18:08] <SM0ULC-David> you could the other way around and use the core of openwebrx where all "clients" are fed from a single iq-hub
[18:09] <OZ1SKY_Brian> yes chasemapper gave me 2 rs41 when i was hunting in germany :-)
[18:09] <OZ1SKY_Brian> we only have dfm09 here
[18:09] <SM0ULC-David> auto_rx is really nicely done, i normaly use it with two dongles
[18:09] <OZ1SKY_Brian> my first dfm09 is keeping warm in marks home :-)
[18:11] <SM0ULC-David> If one lives in central europe a wide-auto_rx would be great
[18:11] <Viproz> SM0ULC-David, yeah it's possible to do it with csdr (made by the same guy as openwebrx) too, you just need to duplicate the stream and feed the right bandwidth to the decoders
[18:11] <SM0ULC-David> in "south" of Sweden one dongle is enough.. :)
[18:12] <SM0ULC-David> Viproz: that's what i use
[18:12] <SM0ULC-David> in both cases
[18:13] <SM0ULC-David> i've also made a quick test with rtl_sr | socat => multicast => socat | cdsr ...
[18:14] <Viproz> it seems to be maintained by jketterl now, glad to see someone taking it over
[18:17] <SM0ULC-David> have not tried how many csdr "channels" one can run on a rpi
[18:18] <Viproz> I tried on a rpi3 and the answer was a lot (without decoding, just converting the IQ to audio via FM demod) but didn't with the pi 4
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[18:19] <SM0ULC-David> Viproz: cool, i guess the only magic part then is to detect enough energy to spawn of a decoder
[18:23] <SM0ULC-David> OZ1SKY_Brian: i guess you hear quite a lot of balloons simultaneously? possible to make a wideband dump of some kind and share?
[18:24] <OZ1SKY_Brian> erhh not sure how i should do that, its pretty much left alone
[18:24] <Viproz> Yeah for auto_rx we'd need to find a new rtl_power to work with some raw data and then to the spliting and shifting properly, probably looking at 20-40 hours of work to make everything work proberly though
[18:24] <OZ1SKY_Brian> radiosondy say 14990 decoded so far
[18:25] <OZ1SKY_Brian> range is about 700km from here on sondes
[18:25] <SM0ULC-David> OZ1SKY_Brian: thought like 'timeout 600 rx_sdr >file.iq'
[18:25] <OZ1SKY_Brian> so those inside the 700km range ill pick up most of the time
[18:26] <OZ1SKY_Brian> SM0ULC-David your talking to a "no nothing linux" guy :-)
[18:26] <SM0ULC-David> or just a minute or so of data, quick
[18:26] <SM0ULC-David> aaah
[18:26] <SM0ULC-David> sri :)
[18:26] <OZ1SKY_Brian> LOL
[18:26] <SM0ULC-David> <= mostly linux guy
[18:27] <OZ1SKY_Brian> i can do VERY basic linux stuff and follow a guide, i never done any linux before i started playing with radiosondes.
[18:27] <SM0ULC-David> a dump from sdrsharp is fine too.
[18:28] <OZ1SKY_Brian> will have to be at 12z ish where most sondes are up, problem is im not home at that time
[18:29] <SM0ULC-David> well, for starters one can possible run a singular file with a singular balloon
[18:29] <OZ1SKY_Brian> and in the weekends they are not all those like on workdays
[18:37] <SM0ULC-David> This thread is possibly worth reading; https://github.com/projecthorus/radiosonde_auto_rx/issues/152
[18:37] <OZ1SKY_Brian> might be easyer to make a remote sdr for you
[18:39] <SM0ULC-David> the thread is about multi-receiving
[18:40] <SM0ULC-David> OZ1SKY_Brian: seems like a lot of people has been working on it already
[18:42] <OZ1SKY_Brian> yeah looks like it
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[21:36] <Darkside> SM0ULC-David: the problem with the approach in that thread is that it relies on spyserver
[21:36] <Darkside> and i do *not* want auto_rx to rely on something closed source
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[23:58] <Pit[m]> Fork dxlaprs decoder, it can decode multiple sondes with one rtlsdr.
[00:00] --- Tue Jun 23 2020