[time-nuts] GPS interference and history...
ehydra
ehydra at arcor.de
Thu Jun 9 19:29:35 UTC 2011
GPS receivers work with very different IF concepts! There is no common
frequency at all.
- Henry
--
ehydra.dyndns.info
Burt I. Weiner schrieb:
> For many years the FCC has not allowed FM broadcast stations within
> certain distances of each other where a 10.7 MHz frequency difference
> existed. Not exactly the same thing, but did show an understanding of
> what can go wrong as a result of good receiver front end selectivity.
> In AM and FM broadcasting there has also been required distances between
> 1st and 2nd adjacent channels, only partially because of overload issues
> but more so because of occupied bandwidth and overlapping. I'm not sure
> how much more it would cost to build GPS receivers with better front
> ends, but I'm sure it would've priced GPS devices out of the hands of
> many consumer level users. The FCC under the direction of Congress has
> made (allowed) some pretty stupid moves in the past bunch of years. In
> my opinion, the FCC has forgotten what their purpose is, and being run
> by attorneys has made the situation that much worse as there are very
> few attorneys that understand the un-revocable physics of the
> electromagnetic spectrum.
>
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