[hpsdr] Sniffing computer <> Metis to control other things

[Scott Traurig]

Jim,

There is no UDP signal to multiple addresses that people intercept. 99% of
all software available uses serial CAT data for 99% of all functionality.

If you want to start automating your station, I recommend you look at
DDUtil and it's ability to take CAT frequency data and use that to drive
serial, parallel and MODBUS (PLCs, Programmable Logic Controllers) in
various ways.

I use DDUtil to automate my amp (a KPA500) and use the MODBUS PLC support
to automate antenna switching and to provide various utility switching
functions such as selecting a dummy load via DDUtil macro button commands.
I even have it remotely switch the hardware into bootloader mode when
necessary.

Once you get things wired up it's just a matter of learning the DDUtil
macro/scripting language.

73,

Scott/w-u-2-o

On Sun, Dec 8, 2019 at 8:02 PM Jim Sanford <wb4gcs at wb4gcs.org> wrote:

> Scott:
>
> Thanks.
>
> My "sniffing" comment is based on what I remember reading.
>
> What I want to do is intercept frequency information going form HPSDR to
> wherever to glean the frequency the radio is on, and switch antennas and/or
> filters.  (Right now filters)  I've read that there is some UDP "signal" to
> multiple addresses that people intercept.  If I can just grab UDP packets
> with a RaspberryPI, that would be cool.  Then the PI could command the
> relays.  I could also grab CAT2 or CAT3, at least on the portable SDR; that
> computer has a real serial port.  I'm not sure (at the moment) how many
> serial ports the computer used to virtualize the fixed SDR has; will look.
>
> Thanks, you have been MOST helpful over the years.  And I LOVE the product!
>
> Thanks & 73,
>
> Jim
>
> wb4gcs at amsat.org
>
>
>
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