by Richard, N4PBQ
“I’ve been working a lot of SKCC CW stations during the holidays and adjacent stations really interfere with my ability to use the vintage Ten-Tec Century/21. Its built-in audio filter is relatively effective if the band isn’t too crowded but if I’m working a station and others pop up within a 1kHz on either side I have a real hard time keeping track of which QSO to listen to. I wanted some relief from the relatively porous audio filtering provided by the old girl.
The DQRM Tracking Project Recently, the amount and intensity of DQRM (Deliberate QRM) has been growing logarithmically, targeting DXpeditions all over the world. DQRMers attempt to spoil communications and disrupt the joy of chasing... Read more
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