[TowerTalk] Common-mode choke for remote tuner

[RMorris]

RG58 at 1500 watts......  Someday ?

On Oct 26, 2012, at 7:36, Jim Lux <jimlux at earthlink.net> wrote:

> On 10/26/12 2:49 AM, Phil Zminda wrote:
>> I will be installing a SGC-237 remote tuner at the base of my 43 ft.
>> vertical. I would like to add a common-mode choke at the base as part of
>> the install. I built but haven't used, a bifilar choke with a 2.4 in.
>> type 31 core, but since the tuner has an 8 ft coax pigtail for the input
>> could do as well with a large type 31 clamp on with multiple turns of
>> the RG-58 coax through it? This would reduce the number of PL-259
>> connections and would just be a simpler installation. Any comments
>> appreciated. Thanks.
>> 
> 
> with a 2.4" diameter core, you can pass the PL259 through it at least 5 times with RG58. If you want more choking impedance, use more cores.
> 
> don't forget to choke the DC power/control wires too.
> 
> 
> 
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