Hi Paul,

A second shot in the dark:

I recall that a few years ago new SW was released that had to overcome delays in serial communication due to Windows XP (and 2000?).

Basically you had to start the SW, do a 'write to radio', turn OFF radio, turn ON radio, and then the actual writing/reading starts.

But: that was to overcome an "communication error", not "radio invalid". Nevertheless I wanted to mention this.

Did you try with older SW versions or running on older PC's/OS's ? You could also try other SW, I used LINK7 in the past as well.

Henk, PA3GUO (owns also the 'old' THD7)

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Hi Kenneth, I tried all ways, TNC on and off etc etc, the comms starts ok but reports "The radio is invalid" every time? I hate programing up the radio via the front controls!

Paul Luggar

M0SCI

Website WWW.M0SCI.CO.UK

Amsat-UK Member 6484

www.m0sci.co.uk/forum Devon and Cornwalls Amateur Radio Message Board

----- Original Message ----- From: "Ransom, Kenneth G. (JSC-OC)[BAR]" kenneth.g.ransom@nasa.gov To: "Paul Luggar" luggsey@hotmail.com Sent: Wednesday, June 13, 2007 2:48 PM Subject: RE: [amsat-bb] Kenwood THD7E Problem with PC connection.

Just taking a shot in the dark, have you tried turning the TNC off and then attempt to program the radio?

Kenneth - N5VHO