VE2CJW wrote:
(top posting fixed)
"Cecil Moore" a écrit dans le message de news:
.. .

VE2CJW wrote:

Ok you antenna gurus, I have a funny problem. Whenever I try to reach a
certain repeater on 2 meters, (146.700-), I can't do it. The repeater is
about 25 miles from here.

If you were where your antenna is, could you see the
repeater antenna through a telescope on a clear day?
If not, what is obstructing your vision?
--
73, Cecil http://www.qsl.net/w5dxp

From the antenna, I can't see the repeater because of a couple of
condos that are much higher than my house. That's probably the
problem because I can reach a few repeaters about 4 times farther but
not in the same direction. I wonder how high my antenna should be to
solve my problem. I also wonder if more power, say 150 watts would
change anything. I am open to suggestions.
VE2CJW.

Can the repeater reach _you_? If not, no amount of power will help you
receive it. If you're almost making it then yes, more power may make a
difference. You're only talking about a 3dB increase from 50W to 150W,
though, I'd expect that if it helps at all it'll just get you to the
stage where you're cutting in and out instead of not hitting the thing
at all.

How high is the terrain where you live? I'd expect 2 meters to get
through (or around) a condo OK, but a hill between you and there would
certainly kill the signal. If the condos weren't there would you be
able to see the repeater?

--

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com

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