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Why Noise When No Broadcast Happening, etc. ?
Hello:
Was wondering about this: When I tune to most any frequency with my scanner, the noise level is really, really high when there is no broadcast going on at that moment on that frequency. When one does come on, it's as clear as a bell. This is true for the fm as well as the AM channels. Of course, the Squelch control pretty much takes care of the problem, but was wondering if this is "typical" ? What is the source of the noise, possibly: the radio itself ? atmospherics ? Or,... ? Thanks, Bob |
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