[amsat-bb] New Telemetry Decoder for FalconSat-3

Wed Apr 10 20:56:35 UTC 2019

Hans,

What is the serial port error?  That should not show up if you have TCP
selected.

Chris

On Wed, Apr 10, 2019, 02:09 Hans BX2ABT via AMSAT-BB <amsat-bb at amsat.org>
wrote:

> For some reason mail from this list with the above subject from Chris is
> not getting into my mailbox. Luckily I check the web based archive every
> now and then.
>
> Chris, thank you for updating the PacSat software and fixing the Java
> problem. Version 0.22 is starting up without any problems now. I use UDP
> streaming from GQRX into direwolf and the PacSat software can read the
> KISS data via TCP on port 8001 then. Every time v0.22 is starting up it
> still complains that I need to set up a virtual serial port, but the
> ignoring the warning seems fine. It shows a 'decoder ready' message, so
> I assume that means it's working.
>
> Reading the manual now as I have no experience with PacSat. Waiting for
> a good pass of Falconsat-3 tomorrow to see if I can get some data in.
> Data out is for another day.
>
> 73 and cheers,
>
> Hans
>
> BX2ABT
>
>
> On 04/04/2019 11:40 AM, Hans BX2ABT via AMSAT-BB wrote:
> > Hello all,
> >
> > I downloaded the software (V0.21) from the G0KLA website, running it
> > on Linux (Kubuntu 18.04 with Java version 0.64). Well, I'm trying to
> > run it, because I get the following error message.....
> >
> > java -jar PacSatGround.jar
> > Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1
> >         at PacSatGround.main(PacSatGround.java:29)
> >
> > On my laptop it runs fine, albeit it uses a slightly older Java
> > version (0.59) on Debian Testing from 18.03 (Netrunner).
> >
> > Question: is there a specific Java version that has to be used with
> > V0.21 of  the PacSat software, or is my system messed up and I need to
> > do a fresh install?
> >
> > Cheers,
> >
> > Hans
> >
> > BX2ABT
> >
> >
> >
> >> Chris
> >>
> >> On Sat, Feb 9, 2019, 14:03 Douglas Quagliana <dquagliana at gmail.com>
> >> wrote:
> >>
> >>> Hi Chris,
> >>>
> >>>     I've been able to pull AX.25 frames from the satnogs .ogg
> >>> recordings of
> >>> Falconsat-3 and I usually get more valid frames than satnogs shows
> >>> on the
> >>> webpage when using my brute force demodulator (my brute force
> >>> demodulator
> >>> was the topic of my Symposium paper).
> >>>     Can you contact me off the list and let's work out how to automate
> >>> demodulating telemetry from the existing recordings (and new
> >>> recordings as
> >>> they get added) and get it into the telemetry server.
> >>>
> >>> 73,
> >>> Douglas KA2UPW/5
> >>>
> >>>
> >>> On Sat, Feb 9, 2019 at 11:21 AM Corey Shields <cshields at gmail.com>
> >>> wrote:
> >>>
> >>>> Hi Chris, we spoke at the symposium about sharing data..
> >>>>
> >>>> The best way to pull data would be to periodically pull from the
> >>>> api for
> >>>> db.satnogs.org, however its not working at the moment[1]. I've got
> >>>> some
> >>>> free time this weekend, I'll see if I can get this fixed.
> >>>>
> >>>> That said, we have been decoding the messages we have from falconsat-3
> >>>> into
> >>>> our dashboard[2] going back to April. Its just running through a
> >>>> message
> >>>> decoder, no telemetry. It shouldn't be too hard to write a struct
> >>>> for the
> >>>> telemetry, and re-decode the frames so we can make use of the rest
> >>>> of the
> >>>> data.
> >>>>
> >>>> I'll reach out directly once the API is fixed..
> >>>>
> >>>> Cheers,
> >>>> -Corey  KB9JHU
> >>>>
> >>>> [1] -
> >>>> https://gitlab.com/librespacefoundation/satnogs/satnogs-db/issues/266
> >>>> [2] -
> >>>>
> https://dashboard.satnogs.org/d/UZ30F5Xik/ax-25-monitor?refresh=1m&orgId=1
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> On Fri, Feb 8, 2019 at 7:49 PM Chris Thompson <g0kla at arrl.net> wrote:
> >>>>
> >>>>> I'm not aware of that data or how to access it.  If there is an
> >>>>> archive
> >>>> of
> >>>>> data and it includes the WE files then it might be useful to us.
> >>>>>
> >>>>> 73
> >>>>> Chris
> >>>>>
> >>>>> On Fri, Feb 8, 2019 at 6:25 PM Scott <scott23192 at gmail.com> wrote:
> >>>>>
> >>>>>> That's great, Chris!  Thanks for all the work on that project.
> >>>>>>
> >>>>>> Regarding telemetry, does AMSAT access the data that is forwarded to
> >>>>>> SatNogs?
> >>>>>>
> >>>>>> Ever since FalconSat-3 was turned over to the Amateur Community,
> >>>>>> along
> >>>>>> with
> >>>>>> I'm sure a lot of others, I have forwarded thousands of telemetry
> >>>> packets
> >>>>>> from FalconSat-3 to the SatNogs database using the DK3WN Telemetry
> >>>>>> Forwarder
> >>>>>> ( http://www.dk3wn.info/files/tlm_forwarder2.zip ).
> >>>>>>
> >>>>>> Now, I don't know HOW to access data that is forwarded to SatNogs in
> >>>> that
> >>>>>> way, but a lot of data is aggregated there from many of the past &
> >>>>>> presently
> >>>>>> active satellites that have known decoders.   I'm aware that Univ.
> >>>>>> Colorado
> >>>>>> / Boulder obtains data from the CSIM satellite that way; I would
> >>>> imagine
> >>>>>> others do as well.
> >>>>>>
> >>>>>> Thanks again for what I'm sure was a huge job on the new software!
> >>>>>>
> >>>>>> -Scott,  K4KDR
> >>>>>>
> >>>>>> =========================================
> >>>>>>
> >>>>>> -----Original Message-----
> >>>>>> From: Chris Thompson
> >>>>>> Sent: Friday, February 08, 2019 5:53 PM
> >>>>>> To: AMSAT
> >>>>>> Subject: [amsat-bb] New Telemetry Decoder for FalconSat-3
> >>>>>>
> >>>>>> I've written a new Ground station for FalconSat-3. If you had an
> >>>> initial
> >>>>> go
> >>>>>> with WISP without success or if you have never tried to decode
> >>>>> FalconSat-3,
> >>>>>> now is a good time to try.  This requires much less setup than WISP.
> >>>> And
> >>>>>> don't be put off if you don't have a hardware TNC, this will work
> >>>> with a
> >>>>>> soundcard TNC. Or, if you didn't try to listen to FalconSat-3
> >>>>>> because
> >>>> you
> >>>>>> don't have a station that can transmit commands to the spacecraft,
> >>>> then
> >>>>>> read on. We still need your help to decode telemetry.
> >>>>>>
> >>>>>> In particular we would like to encourage people to download the
> >>>> Telemetry
> >>>>>> and forward it to an AMSAT telemetry server.  Currently more
> >>>> telemetry is
> >>>>>> generated than we can download with AMSAT Operations ground
> >>>>>> stations.
> >>>>>> Receive only stations can contribute to that as well as stations
> >>>> equipped
> >>>>>> to transmit to FalconSat-3 and request files.  You can see telemetry
> >>>>>> uploaded so far here: http://tlm.amsatfox.org/tlm/FalconSat-3
> >>>>>>
> >>>>>> There are details about the spacecraft, how to install the software
> >>>> and
> >>>>> how
> >>>>>> it works in the manual available if you download the software or
> >>>> online
> >>>>>> here: http://www.g0kla.com/pacsat/pacsat_ground_manual.pdf
> >>>>>>
> >>>>>> You can download the software at www.g0kla.com/pacsat/index.php.  I
> >>>> have
> >>>>>> also written some blog posts and thoughts about the software for
> >>>> anyone
> >>>>>> interested.  They are linked from the download page.
> >>>>>>
> >>>>>> There is much to do here of course and most of it probably won't get
> >>>>> done.
> >>>>>> I would call this a beta release. If you have suggestions or bug
> >>>> fixes
> >>>>>> please log them online at https://github.com/ac2cz/Falcon/issues or
> >>>> send
> >>>>>> me
> >>>>>> an email.
> >>>>>>
> >>>>>> The software is open source.  All the details are here:
> >>>>>> https://github.com/ac2cz/Falcon/  The telemetry processing and
> >>>> display
> >>>>>> leverages common code from FoxTelem in a library here:
> >>>>>> https://github.com/ac2cz/libTelem/
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> --
> >>>>>> Chris E. Thompson
> >>>>>> chrisethompson at gmail.com
> >>>>>> g0kla at arrl.net
> >>>>>>
> >>>>>> _______________________________________________
> >>>>>> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum
> >>>>>> available
> >>>>>> to all interested persons worldwide without requiring membership.
> >>>>> Opinions
> >>>>>> expressed
> >>>>>> are solely those of the author, and do not reflect the official
> >>>>>> views
> >>>> of
> >>>>>> AMSAT-NA.
> >>>>>> Not an AMSAT-NA member? Join now to support the amateur satellite
> >>>>> program!
> >>>>>> Subscription settings:
> >>>>>> http://www.amsat.org/mailman/listinfo/amsat-bb
> >>>>>>
> >>>>>
> >>>>> --
> >>>>> Chris E. Thompson
> >>>>> chrisethompson at gmail.com
> >>>>> g0kla at arrl.net
> >>>>> _______________________________________________
> >>>>> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum
> available
> >>>>> to all interested persons worldwide without requiring membership.
> >>>> Opinions
> >>>>> expressed
> >>>>> are solely those of the author, and do not reflect the official
> >>>>> views of
> >>>>> AMSAT-NA.
> >>>>> Not an AMSAT-NA member? Join now to support the amateur satellite
> >>>> program!
> >>>>> Subscription settings:
> http://www.amsat.org/mailman/listinfo/amsat-bb
> >>>>>
> >>>>
> >>>> --
> >>>> Corey Shields
> >>>> _______________________________________________
> >>>> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> >>>> to all interested persons worldwide without requiring membership.
> >>>> Opinions expressed
> >>>> are solely those of the author, and do not reflect the official
> >>>> views of
> >>>> AMSAT-NA.
> >>>> Not an AMSAT-NA member? Join now to support the amateur satellite
> >>>> program!
> >>>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
> >>>>
> >> _______________________________________________
> >> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> >> to all interested persons worldwide without requiring membership.
> >> Opinions expressed
> >> are solely those of the author, and do not reflect the official views
> >> of AMSAT-NA.
> >> Not an AMSAT-NA member? Join now to support the amateur satellite
> >> program!
> >> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
> >>
> >>
> >>
> >
> > _______________________________________________
> > Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> > to all interested persons worldwide without requiring membership.
> > Opinions expressed
> > are solely those of the author, and do not reflect the official views
> > of AMSAT-NA.
> > Not an AMSAT-NA member? Join now to support the amateur satellite
> > program!
> > Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
>
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
>