There is, but it involves making up some extra hardware to generate a clock at 66.66666MHz. G4HUP does a module. http://g4hup.com/SDRlock.html using direct frequency synthesis (multiply / divi
Many thanks, everyone, for your comments and advice. It looks as if the SDRIQ is the way to go. I now have to consider the best computer unit to go with it. At present I have a choice of a Mac Book P
Dear John, LF Group, I have an SDR-IQ which meets most of your requirements: Covers LF to 30 MHz with a good communications spec, Yes - the frequency response is flat from audio frequencies to 30MHz.