Herb, check these out as they may help https://www.youtube.com/watch?v=4UrOvD09UXM
http://on2pco.be/projects/sdrplay-receiver/ Mark Lunday, WD4ELG Greensboro, NC FM06be [email protected] http://wd4elg.blogspot.com _________________ Topband Reflector Archives - http://www.contesting.com/_topband
