[TowerTalk] CM Chokes and beams

[Jim Miller]

Thanks all.

I now know what I need to do.

jim ab3cv


On Tue, Oct 8, 2013 at 6:32 AM, Steve Hunt <steve at karinya.net> wrote:

> Jim,
>
> That's correct - otherwise you are providing a path for CM current that
> bypasses the choke.
>
> 73,
> Steve G3TXQ
>
>
>
>
> On 07/10/2013 21:13, Jim Miller wrote:
>
>> I'm getting ready to mount my beam atop my AB621. My location is the
>> highest for a couple of miles around the trees here are often hit by
>> lightning.
>>
>> I'm planning to ground my coax at the top and bottom of my tower and of
>> course bond it at the utility entrance on the way to the shack.
>>
>> Am I correct that the common mode choke should go between the top-of-tower
>> ground and the rotor loop on the way to the beam? To do otherwise would
>> seem to just short it out.
>>
>> Thanks
>>
>> Jim ab3cv
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