[TowerTalk] How to connect a PL-259 to 1/2 " hardline

Bob K6UJ k6uj at pacbell.net
Sun Nov 11 11:31:43 EST 2012


Hans,

Excellent pictures !

73,
Bpb
K6UJ



On Nov 10, 2012, at 6:39 PM, Hans Hammarquist wrote:

> 
> Hi,
> 
> 
> Just added some more, and hopefully, explaining pictures.
> 
> 
> http://www.facebook.com/media/set/?set=a.10152183316018539.483422.579753538&type=1&l=b1cad3f418 
> 
> 
> I connected them to a ~400 feet hardline. Tested the SWR. It was 1.5/1 with a 75 ohm termination up to about 65 MHz. There it increased to 1.6/1. I don't know if I measured it right but it appeared as I had  1.2 dB attenuation over the 400 feet at 65 MHz. (Is that reasonable?)
> 
> 
> I don't think my contraption will add anything to the SWR. I tested a very short piece and found the same behavior. As the center conductor is passing through the connection in a similar manner as it is in the cable itself I don't expect any surprises. The PL-259 connector is what it is so I can't do anything there.
> 
> 
> Hans - N2JFS
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