Re: [wsjtgroup] Re: [Knightsqrss] Drifting signals not decoding
- Hi Joe,
Is there a linux/osx version in the works?
On Mar 30, 2008, at 5:18 PM, Joe Taylor wrote:
> Dear QRSS Knights, WSJTGROUP members, and all,
> Several people have posted notes about WSPR signals that drift in
> frequency or for some other reason do not decode.
> As you all know, the present WSPR was written in a big hurry. My goal
> was to get something useful on the air, quickly, to see what interest
> there might be.
> Obviously the interest is there; so my next goal will be to improve
> decoder, add an optional automatic upload of decoded messages, and
> polish the user interface.
> It's always better to have a stable signal, but moderate drift can be
> handled in software. I have already saved several thousand 2-minute
> files from my own listening over the past ten days. They will serve
> very nicely for testing the next stage of optimization of the decoder.
> If you think that your own signals are not being decoded as often as
> they should be, from what I have seen the two most likely reasons are:
> 1. your computer clock is off
> 2. your frequency drifts during your transmission.
> Two or three people have reported to me that their Tx audio is
> 5-7 seconds late. I have not been able to reproduce this problem with
> any of my computers, but it could be a third reason for decoding
> If there are problems I don't know about, please report them to me.
> -- 73, Joe, K1JT