On (13 Jan 97  20:07:40) Rob Dennis wrote to Larry Kunz ...
RD>  On 440 FM/SSB I use a co-ax similiar to 9913 Belden called `FLEXI-4XL'
RD> which
RD> is a helical-wound solid plastic dielectric on a stranded center
RD> conductor
RD> covered with tinfoil and a UV protected plastic jacket.
RD>  4XL is flexible down to -30 Celsius,whereas 9913 cracks below -20 when
RD> bent past a 45 degree angle.
From the origin line, I'm sure the lower temp rating is needed. Down
here, the UV is so strong just about anything is destroyed in just a
few years - or the heat gets it.
That FLEXI-4XL sounds interesting. I need about 20' of something
like that to feed my 440 antenna. It is at the top of a 18' mast and
it tends to sway a bit in the wind. I don't think the 7/8 heliax
will tolerate that movement very long.
Larry
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