Dear LF-Group, sorry for bandwidth, i looking for some sort of of mixer/transverter to use a shortwave transceiver on 137KHz for WSPR. Can be in experimental stage, but i need something to start. To
Marco Some links at :- http://groups.google.com/group/uk500khz/web/low-frequency-converters Racal MA1723 .. should not work at 137 but is 'ok' wspr can be generated by a DDS synth as its only a simpl