[TowerTalk] Replacing coax question

[Joe - WDØM]

Should be VERY negligible.  I'd ground the coax barrels at the top and 
bottom of the tower to provide lightning protection too, while I was at it.

73,
Joe
WDØM


At 12:36 PM 10/11/2004, Tom Martin wrote:
>I am replacing a 90' length of RG8 water damaged coax to my 40 meter 
>beam.  I have LMR 400 for the main run up the tower but want to use a RG8 
>section for the rotator loop.  There are two ways to do this. First, a 14' 
>section of RG8 from the feed point of the beam with one PL259 and one 
>barrel connector to join the LMR.  Secondly, a 10' section of LMR and 
>PL259 to a barrel connector and a 4' section of RG8 for the loop to join 
>the LMR that goes down 80' to the antenna relay box at the base of the 
>tower.  This configuration would require 4 PL259's and two barrel 
>connectors.  I want to avoid the many possible problem areas with the 
>multiple connections.  I think that I have answered my own question but 
>wasn't sure if adding that much RG8 to the run would offset the benefit of 
>the LMR 400.  I suppose on 40 meters the loss would be negligible.  Am I 
>correct?
>
>73,
>
>Tom W8JWN
>
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