[Skimmertalk] FT4 decoder for Red Pitaya

[Bob Wilson, N6TV]

Sorry to hear about the lightning hit OM.  :-(

There is are links to "Development" schematics which may help you, online
here:

https://redpitaya.readthedocs.io/en/latest/developerGuide/125-14/shem.html

https://redpitaya.readthedocs.io/en/latest/developerGuide/122-16/shem.html

73,
Bob, N6TV


On Tue, Jul 30, 2019 at 8:35 AM K1RA <k1ra at arrl.net> wrote:

> Hi All,
>
>   I planned on working on an FT4 decoder for the RP, but I took a close
> lightening hit several weeks back and it took out my RP and most of the
> other shared online SDRs (KiwiSDR, RTL-SDR, and RPi).  Before then though
> I'd successfully gotten the FT4 decoder compiled and running on the KiwiSDR
> in a band hopping mode and later compiled for RPi to use along with the
> KiwiSDR client API as a true, simultaneous multi-band FT4 decoder.  Like
> with my RP setup, this was feeding both PSKreporter and RBN directly
> without any need for PC, CW Skimmer or Aggregator.
>
>   I've got the RP on the bench and attempting to test DC supply components
> in a hope the board may be repairable, but as there are no online
> schematics for the RP I'm not holding out much hope and any future
> development on my part will be unable to continue.
>
> 73
>
> andyz - K1RA
> https://k1ra.us/
>
>
> On Tue, Jul 30, 2019 at 11:25 AM Bob Wilson, N6TV <n6tv at arrl.net> wrote:
>
>> I asked Pavel Demin if he had any plans to port the FT4 decoder to the
>> Red Pitaya, as he had done for FT8 (in sdr_transceiver_ft8).  He said he
>> had no plans right now.
>>
>> Pavel pointed me to this long thread where K1RA seems to have been
>> involved with the FT8 decoder porting and the initial design:
>>
>> https://github.com/pavel-demin/red-pitaya-notes/issues/629
>> https://github.com/pavel-demin/red-pitaya-notes/issues/689
>>
>> I'm copying K1RA to see if he is thinking a Red Pitaya FT4 decoder might
>> be possible.
>>
>> Pavel also mentioned that there are currently 38 active users of his FT8
>> code, combining the tags FT8-Skimmer, Red Pitaya FT8 TRX, and STEMlab SDR
>> FT8 TRX.  The software usage stats are at the bottom of this page:
>>
>> https://www.pskreporter.info/cgi-bin/pskstats.pl
>>
>> Many other interesting statistics on this page.  FT8 is still king but
>> FT4 is growing.  WZ7I is the top monitor.
>>
>> 73,
>> Bob, N6TV
>>
>
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