Dear Mike (KU4YP):

This is usually an economics question. How much will you pay for the
last 0.5 db of performance?

An alternative that I use is to use coax that has no more than 1 db of
loss at the frequency in use.

With a tower of reasonable height that is over 100 feet away, it is
unlikely that any 213 type coax is good value other than at 80 meters or
below.

For receiving below something like 25 MHz, most any coax is good enough.

73, Mac N8TT

--
J. Mc Laughlin; Michigan U.S.A.
Home:
"KU4YP" wrote in message
link.net...
hello all,

how far is reasonable to run rg-213 or beldin 9913 cable? i am
probably
gonna have to put the tower over 100 ft from the station. would like to
hear
opinions.

73 mike ku4yp