On Tue, 22 May 2012 15:49:04 +0000 (UTC), "Geoffrey S. Mendelson"
wrote:


Well no. The data is the same, but a new receiver needs to be used.
The old one just did on/off for an AM pulse, the new one uses BPSK,
which is two tone modulation. So not only does it have to decode
the carrier being there at all, it has to decode two different tones.

Ummm. No. BPSK is a variant of Manchester encoding.

Binary Phase Shift Keying. Single frequency.

Then you have to decode the BPSK stream to get the data. This not a big
deal, you could do it with a sound card and a microprocessor, but it's
a different receiver design, and reprograming the microprocessor.