[TowerTalk] In Shack Tuner Vs. Remote Tuner for Multi-Band Antennas

Jim Brown jim at audiosystemsgroup.com
Sat May 3 03:41:19 EDT 2014


On 5/2/2014 11:54 PM, Roger (K8RI) on TT wrote:
> Technically the tuner at the antenna is better, but with good coax and 
> low bands it's hardly worth the effort, but look up the chart in the 
> handbook for additional loss Vs SWR at a given cable loss. Basically, 
> at 160, 75, and even 40, it makes little difference whether the tuner 
> is in the shack or remote.   Unless it's a long run, if you are using 
> good, low loss coax, the difference is likely only a few tenths of a 
> db.  Look up transmission line basics  (20.1) in the current 2014 
> book.  This chart has been in there for years, so if you have a 
> different version, just look gor transmission line basics. 

YES, YES, YES.

73, Jim K9YC


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