On Thu, 06 Jul 2006 09:45:51 -0700, Tim Wescott
wrote:

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,
I think you mean a ~5dB increase, Tim (pedant mode off) but with an FM
repeater a few dB can make a huge difference.

Pete