Thanks guys for all of the quick responses in regard to the free version of Spectrogram. In case others are interested, it can be found on Tom Hammond's /N0SS) website at http://www.n0ss.net/ 73 & God Bless, Ken/NO4D http://webpages.charter.net/kgk Ambassadors For Christ Net +/- 7.280 M-F at 2:00 EST Sat at 2:30 EST