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Started by Tim Pozar
Thu, 01 Mar 1990 16:39
Re: VOTE on rec.radio.noncomm
Author: Tim Pozar
Date: Thu, 01 Mar 1990 16:39
Date: Thu, 01 Mar 1990 16:39
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2421 bytes
In article <1699@speedy.mcnc.org> spl@duck.ncsc.org (Steve Lamont) writes:
>In other words, you could be noncommercial anywhere on the band but you were
>specifically restricted by the terms of the license to be noncommercial if you
>were in the 88-92 MHz part of the band.
Correct. I meant to point out in my posting, that there are
plenty of non-commercial stations located at frequencies other
than 88.1-91.9MHz.
>
>These were generally low power operations and (I think) may have had some
>fairly low ceiling on their ERP. In these days of deregulation I don't know
>whether this is true any longer. Does anyone know that the current FCC Rules
>and Regulations say? Is the FCC now granting commerical broadcasters licenses
>in the old "Educational" part of the FM band?
No. I doubt that will ever change.
re: low-power... Most non-commercial stations didn't have
the bucks to go out and buy a new or used 1-50KW transmitter.
The lowest power class of station was Class-D. This specified
that you must run at least 10w Transmitter Power Output (TPO),
but your Effictive Radiated Power (ERP) could be any level you
want beyond that.
Later, the FCC felt that there were too many 10watters that
were just taking up allocations by sitting on them. They
abolished the "D" class and told folks that they had to move
into Class-A and generate at leasted 100watts. Manufacturers
started to build 100 watt amps for their exciters. (One of the
worse I've ever dealt with was a Harris 100K(Model number?). It
used some pretty highly stressed RF xsistors. We were
replaceing modules at least once every three months.)
Tim
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