[amsat-bb] FoxTelem with RTL-SDR

[Mark L. Hammond]

Greg, I highly recommend the FIAB disk images that Burns makes available
for download or purchase.   Super easy to get Foxtelem going on Pi3 or Pi4.


Mark N8MH

On Sun, Feb 9, 2020 at 12:55 PM Greg D via AMSAT-BB <amsat-bb at amsat.org>
wrote:

> Hi Ed,
>
> Well, at least that gives me hope...  What distros did you have running
> on the various Pies?  (*)  I had Jessie on the Pi2B, and Stretch on the
> 3B.  The dongle I have is listed by dmesg as a "Realtek RTL2832U
> reference design".
>
> Greg  KO6TH
>
> (*) Ok, so what is the plural of a Pi?
>
>
> EDWARD KROME wrote:
> > uhh.. here is probably the worst possible answer.. I plugged it in and
> it worked. Chris told me it was experimental, but it worked on 2 different
> RTL's, RP3B+, RP4B. All defaults. IQ. Raised cosine. 145935. automatic
> gain. 200 cutoff, 512 samples. I know nothing about Linux. (I'd rather be
> lucky than good any day.) Wish I could be of more assistance.
> >
> > Ed K9EK
> >
> >> On February 8, 2020 at 10:43 PM Greg D <ko6th.greg at gmail.com> wrote:
> >>
> >>
> >> Thanks, Ed.  What did you do by way of configuration of either FoxTelem
> >> or the RPi to get the Fox software to see the RTL dongle?
> >>
> >> I'm not getting to the point where it even starts the decoder; it
> >> insists that the rtl-sdr dongle is not inserted.  I've tried this on
> >> both a Pi2B and a 3B.  Same results.
> >>
> >> As to the decode problem, the same dongle / pi setup works just fine
> >> being the remote (tcp-ip) source for Gqrx, including its AFSK decoder,
> >> so I think it might work for FoxTelem, if only the application would see
> >> the dongle.
> >>
> >> Do I need to run FoxTelem as root or something like that?
> >>
> >> Greg  KO6TH
> >>
> >>
> >> EDWARD KROME wrote:
> >>> Strangely, I have had zero success on HuskySat with Foxtelem
> 1.08w/RP4B/RTLSDR/tracked yagi. I could see signal on FT, but no frames
> counted. Nothing helped. But the same arrangement (with HB lindenblad omni)
> works just fine on all the 2M sats. (well, I only get about 60% as many
> frames on the RTLSDR as I do on a similar setup (same omni antenna, split)
> with FCDP+/RP3B+.) But HuskySat works properly with
> SDRPlay/HDSDR/win10/1.08y/tracked yagi/tracking & doppler SatPC32. No idea
> why.
> >>>
> >>> Ed K9EK
> >>> EL98av
> >>>
> >>>
> >>>> On February 8, 2020 at 3:12 PM Greg D via AMSAT-BB <
> amsat-bb at amsat.org> wrote:
> >>>>
> >>>>
> >>>> Hi folks,
> >>>>
> >>>> Acknowledged that this is "not supported", but others appear to have
> had
> >>>> some success using an RTL-SDR dongle under FoxTelem.  With the launch
> of
> >>>> Huskysat-1, I though I'd give it a try.  I'm missing something, but
> >>>> can't find any suggestions.
> >>>>
> >>>> I have a Raspberry Pi 2B that I've been using as an RTL-SDR server,
> >>>> connecting Gqrx to it over the home network.  rtl_tcp is running
> there,
> >>>> all just fine.
> >>>>
> >>>> Tried firing up the latest FoxTelem, choosing RTL SDR as the source,
> but
> >>>> the program says it can't find the dongle.  "Insert the device or
> choose
> >>>> an other source" when I hit Start.  Shut down rtl_tcp, of course, so
> as
> >>>> to not have a fight over access.  Tried removing and inserting the
> >>>> dongle.  Still no joy.
> >>>>
> >>>> I expect I'm missing some morsel of driver software or configuration
> to
> >>>> connect FoxTelem to the RTL-SDR dongle, perhaps something similar to
> >>>> rtl_tcp.
> >>>>
> >>>> What am I missing?
> >>>>
> >>>> Thanks,
> >>>>
> >>>> Greg  KO6TH
> >>>>
> >>>> _______________________________________________
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>
> _______________________________________________
> 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
>
-- 
Mark L. Hammond [N8MH]