Re: LF: Timing GPS

[G0MRF@aol.com]

In a message dated 2/10/04 12:35:33 PM GMT Standard Time, ACTALBOT@mail.dstl.gov.uk writes:

> Well, I was really thinking of GPS locked PSK rather than any incoherent
> mode.  WIthout the need for clock and frame timing recovery we could scrape
> every possible advantage for coherent signalling.  With such superb accuarcy
> of timing even without carrier recovery, it seems a pity to throw all the
> advantages away by using on-off keyed power detection.
>
> I did some basic tests last year with GPS locked 1 B/s PSK and with a very
> simple decoder managed to receive down to frighteningly low signal levels.
>
> Andy  G4JNT


Andy / group.

Would be happy to try this if there is a way of using the NEMA output from my e-trex venture. No problem with a little home constructing, but would prefer not to spend £86.

73

David