[Antennas] Change in coaz = change in SWR.

2002年10月27日 06:07:57 -0400

Ont thing that could do it is RF on the outside of the coax. Suggest you 
use a 1:1 balun at the antenna.
At 12:07 PM 10/26/2002 -0700, Thomas Beltran wrote:
>I exchanged 100' feet of RG-58 with 100' of Cable X-Perts 1318FX. After
>checking the SWR with an RF-1, there is quite a difference - the resonant
>frequency of the antenna has gone up around 600 khz. For example, I had a
>1.7:1 (checked just before changing the coax) at 14.230. Now that freq
>shows an SWR of 4:1. The low point, 1.3:1, is at 14.880. Before adjusting
>the antenna, I thought I would check with the people on this list. Any
>ideas? Tom W6EIJ

73, Chas, W1CG
K2 #462