On Apr 24, 10:34*am, SC Dxing wrote:
WWRB has been doing some testing on 5050 and 10100 could be it's 2nd
harmonic. Dave Franz likes to broadcast oldies from time to time along
with bible readings when he's testing transmitters.

Hmmm - maybe its second harmonic is more potent than its fundamental -
their 5050 here in California is usually pretty weak.