This "up converter" is on my list of projects that I want to build. It puts the VLF/LF bands in the 4 to 4.5 MHz range on the K2. http://www.lwca.org/library/articles/kf5cq/lfconvtr.htm Ron AC7AC K2 # 1289 > Also, is there anything I can build to listen to MF waves with > the K2 (like > a converter)? This is so that I can do some MF DXing with NDB's. 73! > Jason Hissong N8XE >