Hello Larry,

Swarm does realtime spectrogrmas of log of frequency and log of power
displays of seismic signals.

You could go directly to from winsdr to earthworm to a waveserver and
from the wave server to Swarm.  I know what I just said is cryptic but
if you need more detail I would be glad to get it to you.  I can send
you a screen shot of what the display looks like if you want.

Angel
\
Sunday, July 8, 2007, 7:56:30 PM, you wrote:

> A couple of years ago I experimented with adding a real-time FFT 
> waterfall display to my home brew data logging and display program. I
> got the waterfall working just fine but there is something wrong with 
> the FFT calculation that I never got around to debugging.  The current
> discussion may motivate me to take another look at it.  If I manage to
> get something working, it wouldn't be much additional effort to adapt 
> the code into an independent program that would take PSN files as a data
> source.

> Larry Conklin
> Liverpool, NY
> lconklin@............
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-- 
Best regards,
 Angel

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