On Thu, 6 Jul 2006 21:46:39 -0400, "VE2CJW"
wrote:

to my signal. The antenna I am using is a Quantum QT-6A dual band with 6 db
of gain on 2 meters. My coax is 60 feet of RG-8X mini foam ( I think this is
too small ) and the radio is a Kenwood TM-G707A with 50 watts out on 2
meters. The repeater does not use a tone and is on a mountain at a height of

If the VSWR at the tx end of your line is 2.5, it is likely to be
around 4 at the antenna if the line is in good condition. That antenna
cannot be designed to be such a bad match, so antenna and/or line have
a fault.

Of your 50 watts, less than half is reaching the antenna right now,
whereas if the antenna had a VSWR 1.5, you would get about 60% to the
antenna. Is that OK for you (antenna/feed faults aside)?

Do you use this on 70cm? The cable is even lossier with around 40% of
power reaching the antenna. You might be happy with that, it might
work the repeaters that you want.

Owen
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