[TowerTalk] Bias Tee & Lightning Protection

[Jim W7RY]

On 2/18/2023 9:17 AM, Art Greenberg wrote:
> I'm considering adding a mast-mounted LNA for 2m and I want to deliver 
> 12V to it through the coax. Currently, all of the lightning arrestors 
> in my entrance panel are DC blocking type.
>
> I can see a couple of ways to accomplish this.
>
> - Replace the lightning arrestor for the 2m antenna with a model that 
> passes DC.
*Yes*
>
> - Install a bias tee on the antenna side of the lightning arrestor and 
> run the 12 supply to it through a "control line" type arrestor.
*Absolutely NOT*

>
> Your thoughts?
>
> Thanks.
>

-- 
*Thanks and 73, Jim W7RY*