> This morning I noticed CFH was transmitting on 137.0 kHz. Didn't bother > 136 kHz WSPR reception here but might have hurt elsewhere. > Interestingly, it was sending on the more common frequency 73.6 kHz > simultaneously. I see CFH do that every so often. There was a time years ago when it was continuous on both and also used 122.5 kHz for cw and fax.