472kHz transverter

Over the winter I have been using my simple, small transverter for the 630m band on WSPR with my earth-electrode "antenna". It has been widely copied with best DX on TX being over 1000km. 630m is an interesting band.

See my website for more details: http://www.g3xbm.co.uk  (lots of QRP stuff) and specifically  https://sites.google.com/site/g3xbmqrp3/mflf/472khz_tvtr.