[TowerTalk] 43' Vertical - Feed Point Tuner or Shack Tuner?

[Steve Hunt]

Should have said that the matched loss, using the tuner at the 
feedpoint, would have been 1.2dB. So, tuner in the shack is worse by 
about 5dB

Steve G3TXQ

Steve Hunt wrote:
> Worst case impedance looks to be on 12m where the losses in 125ft of 
> RG213 would be 6.3dB
>
> Steve G3TXQ
>
> Richard Thorne wrote:
>   
>> I have a vertical in my backyard that I currently feed at the base with 
>> an SG-239 200 watt tuner.  I want to increase my power from 100 watts to 
>> 400 watts.  In order to accomplish this I either need a tuner at the 
>> base like an SG-235 or CG-5000 both expensive.
>>
>> The other less expensive solution is a tuner in the shack.
>>
>> So how much loss will I have if I tune a 125' length of coax?  I know it 
>> works as I bypassed the base tuner and used my rigs tuner.  No problem 
>> tuning, I'm just curious how much loss I'll have compared to the tuner 
>> located at the base of the antenna.
>>
>> Rich - N5ZC
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