Haitian Pirate Raided

Dale H. Cook radiotest@plymouthcolony.net
Wed Mar 13 12:02:44 EDT 2013

At 10:44 AM 3/13/2013, Robert Sutherland wrote:

>Possibly excessive power, (harmonics that affect Air Traffic freq's)

It is likely not harmonics, but spurs from a transmitter that does not meet the Part 73 or Part 74 limits for out-of-band emissions. This has happened to licensed broadcasters using badly maintained or improperly modified transmitters. For an example involving an FM translator on 91.9 (though short on technical details) see this 2007 NoV:


See also this story from Lubbock, TX:


Dale H. Cook, Market Chief Engineer, Centennial Broadcasting, Roanoke/Lynchburg, VA

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