I am still fixing up hurricane damage to my station. On getting my 20 meter
Yagi at 150 feet down to ground level I found that the jumper coax made of
about 25 feet of LMR 400 Ultra-Flex had the jacket shredded off it by some
ropes banging against it...coax ruined.
The Yagi is part of a stack system with four identical runs of coax. The
other three antennas have identical jumpers using LMR 400 Ultra. The coax
not be used in a situation where there is much flex and since I have a roll
of regular Times LMR 400 and NO Ultra Flex, I want to use the regular to
replace the Ultra Flex. I want to get this antenna back up and the top Yagi
200 down and repaired by WW...no time for ordering Flex stuff.
According to the specs, the dielectric constant for both is the same.
Therefore, all members of the stack will stay in symmetry. Am I correct in
assuming that the Times Ultra Flex and the regular Times LMR 400 behave the
electrically and can be interchanged?
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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