Re: 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. |