Here in Southern California & the surrounding border-areas, there are
several systems with long paths on 420MHz (the same as 440MHz path
behavior). One of the longest is ~165 miles @ 13W before duplexer/feedline
losses. 10-20W is quite typical for links, and 50W is overkill for most.
Most of the systems I deal with run fully-duplexed links, and "flatpak"
duplexers are quite common for them. Running 50W is at the edge of what
they'll take of raw power and not likely to be free of desense. If it's
half-duplex and you can make the radios live with the talk-time at that
power level, go for it.
73,
-Matt W6KGB
At 09:58 PM 3/28/2004 -0500, you wrote:
>Line of sight should give you 100 miles with only 5-10 watts. I've done 65
>miles with one watt.
>
>Chuck
>WB2EDV
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