Interesting catch for you NDB chasers?

Kriss Kliegle
 

Testing my various inverted L antennas and I stumbled across YWA NDB, Petawawa Airport in Petawawa, Ontario, Canada on its assigned frequency of 516 kHz, but also on 517 kHz. Coincidence or is the transmitter AFU? I hear it's double on all my RXR's, so not my equipment.

73 Kriss KA1GJU

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