Mike,
I congratulate you on supporting the recovery from the 9/11 attack on
the Pentagon. But, please explain how putting 110 watts out of a
repeater has any relationship to the reduction of transmit power on the
portables. I should think that lowering the repeater power to 10 watts
or so would reduce the desense potential in the repeater, allowing the
portables to use less power.
In my experience, the coverage area of a repeater is always limited by
the ability of the repeater to "hear" the distant mobiles and portables,
not by a lack of power in the repeater's transmitter. An omni antenna
of modest gain, atop a 40-foot military surplus mast, will usually
provide ample signal to a temporary repeater, even from 400 mW
shirt-pocket portables.
73, Eric Lemmon WB6FLY
Mike Perryman wrote:
... we put a portable commo trailer... in the parking lot of the
Pentagon with a 110 watts out to the antenna. Then the handheld radios
could be reduced to a couple hundred mils... which also greatly
extended battery life...
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