"The offending signal is actually produced when two UHF transmitters (there is another one involved) and the 146.73 transmitter are all “up” at the same time. How did I determine this? There several software programs out there in shareware and software land that will help you calculate all of the possibilities. I tabulated the frequency of EVERY transmitter on the tower and loaded them into a database. The software that I used showed a “fifth-order” intermodulation product caused by three transmitters that would cause a signal to be generated on 146.13 Mhz. Recognize that frequency? It’s the INPUT to 146.73."
Saturday, July 16, 2011
146.730 Repeater
Tim, WB4GBI, announces that the 146.730 repeater should be rocking and rolling again after eliminating a tricky problem.
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