I use RG-6. It's cheap and it does a fine job. If it's mainly for low band receiving, impedance mismatch isn't a big issue. You'll only need to get F to PL-259 adapters to fit with your SO-239 or you might want to consider fitting a simple two way F female connector ....

Sylvain Naud
Portneuf, QC
CAN
http://www.quebecdx.com


Le 2011-09-12 22:05, GEORGE SANTULLI a écrit :
September 12, 2011  Not sure this is the right forum for an antenna question. If not, please direct me to the 
right one. I am thinking of re-doing my lead in coax for my 400 foot longwire. Instead of taking it right 
into the radio as I have done in the last few years,  I am thinking of putting in a two way SO-239 female 
connector in the bottom of the window frame so I can run a coax from the wire the "outside" of the 
SO-239, then a coax from the "inside" part of the SO-239 to the radio. Last year, the 
"hole" I ran the coax through the window got leaky on cold winter nights and this two way SO-239 
solves that. Question: What is the best coax to run about 100 feet from my longwire to the outside SO-239 and 
does the inside coax from the interior SO-239 need to be the same type of wire or is there an impedance 
mismatch if I used a different coax wire? I think I used RG-58/U, because I had it laying around. Or does it 
not matter? Thanks. George A. SantulliLovettsville, VA

                                        
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