Silly me. Just had the idea that a soundcard could be used to transfer the PCM to the PC and went to the FMS forum to post it.

Guess what? In the section called "Interface-Hardware » General Discussions", there's a wealth of information regarding this subject, including a link to a program that does exactely what I had in mind.

B.t.w., there are posts regarding the pinout of the Futaba TX and also some regarding the JR one.

Spend some time on that forum. You'll quickly find out what it takes to connect your TX to FMS.

Serban