Mark, Please keep me informed of your progress with the SDR-1000. Sounds like a very good project to get into. Thanks. 73 John / N0KHQ / St. Louis Always on 17M Antennas: You can build 'em better than you can buy 'em. Visit: http://www.hamuniverse.com/antennas.html http://www.cebik.com/n0khq/html