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Posted by Roy L. Fuchs on 01/01/06 17:59
On Sun, 01 Jan 2006 17:20:41 GMT, MrFixit@msn.com (Mr Fixit) Gave us:
>In article <1136092721.763525.138340@g14g2000cwa.googlegroups.com>
>"G-squared" <stratus46@yahoo.com> writes:
>
>>John in Detroit wrote:
>>> Roy L. Fuchs wrote:
>>>
>>> >
>>> > The entire point was and still is that a preamplified antenna is
>>> > better than not having one. PARTICULARLY in the digital realm as
>>> > ghost signals, reflections, etc. are not a problem as they are in
>>> > analog reception.
>
>Not necessarily.
>
>If you find yourself in the situation where you have 1 or more "locals"
>along with 1 or more distant or "fringe" area signals. the broadband
>preamp is likely to be swampped with signal from the locals rendering it
>useless if not an actual hinderance to the reception of the distant
>signal(s).
>
>Multipath *IS* a problem for digital in situations where you don't have
>line-of-site and the desired vs. undesired signals are approximately equal
>in strength. In areas where the desired signal is at least 3 db stronger
>than the undesired signal then it is normally of no consequence except
>when you're using a directional antenna (with or without a rotator) and
>have it aimed at the wrong signal or when unusual atmospheric conditions
>(inversions and tropo ducting) are present.
Most, if not all HDTV broadcast signals get assigned to channel slots
that are exclusive to that broadcaster and locality. Usually an
unassigned UHF slot. You circumstance should never be confronted,
much less be a problem.
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