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In article , "Ryan, KC8PMX"
writes: I definitely am not an expert in any way, shape or form about this whole BPL thing, but to me logic would dictate that if these BPL lines are going to be emanating a ton of intereference, would they not also be prone to interference coming in??? Yes and no. The signal level in the line can be set to be much higher than almost any interfering signal induced from outside. Because the entire 1.7-80 MHz spectrum is available to the BPL system, and it can theoretically use whatever modulation schemes it wants, things like error-correction, retries, redundancy and avoidance of specific frequencies can be incorporated. For example, you start transmitting on 50.2 MHz SSB and you punch a hole in the BPL. It adapts and stops using 50.2 MHz - while you're transmitting. Seems to me that would create problems with connections and the quality of transfer rates. Perhaps. And the BPL proponents are trying to change the rules in such a way that the *licensed* services have to accomodate them! 73 de Jim, N2EY |
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