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#11
July 1st 07, 05:26 PM
posted to sci.electronics.basics,rec.radio.shortwave,rec.radio.amateur.antenna,alt.cellular.cingular,alt.internet.wireless
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AM electromagnetic waves: 20 KHz modulation frequency on an astronomically-lowcarrier frequency
DTC wrote:
Jeff Liebermann wrote: Argh, that brings back fond nightmares of Ma Bell. And of splicing damaged buried plant in a wet trench...that stuff had a bite to it. The Coax we used for the repeaters was fed with 250-0-250V DC and the current was regulated at 49mA. The only time the cable jointers worked on it the power feed was disabled. |
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