[hpsdr] Spectrogram Link

[Tim O'Rourke]

I should have included the link to audio program I like:
http://www.visualizationsoftware.com/gram.html
Hope you get a chance to try it I have used it for a number of years.
I was introduced to it when building Elecraft rigs and aligning filters.
Tim W4YN

Tim O'Rourke 
W4YN at ARRL.Net
Low Power Amateur Radio Rocks 
Member of Flying Pigs,ARCI,GQRP,RSGB,ARRL Life Member
NHRA Life Member