Just a thought Marten;
Why don’t you get a hold of a PCR100 or PCR1000 (ICOM)
I found this one on EBay, but if you surf around a bit you can probably
find
a cheaper one for sale on Ham Sites.
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It is a receiver controlled by RS-232.
The control software is free J
The Ebay link will tell you the tuning range, and a Google search will
turn
up all sorts of
Discriminator output mods .
Good Luck J
"People sleep peaceably in their beds at night only because rough men
stand ready to do violence on their behalf." - George Orwell