[TowerTalk] Lightning Protection via gas tube devices

Larry Loen lwloen at gmail.com
Sat Jul 21 09:05:54 PDT 2012


Jim, that's helpful.  So, I can probably expect an insertion loss
similar to other connectors,  I gather.

Now, another question to the hive-mind.

How many of you actually _deploy_ something like this?  If you do not,
why not and what should I be doing instead?



Larry Wo0Z

On Sat, Jul 21, 2012 at 6:07 AM, Jim Lux <jimlux at earthlink.net> wrote:
> On 7/17/12 11:46 AM, Larry Loen wrote:
>> On the subject of lightning protection, is this sort of thing:
>> http://www.l-com.com/item.aspx?id=21474  useful or advisable?
>>
>> Do I put one just at the base of the tower (and connect it to the
>> tower ground system) or do I also have one next to the shack.
>>
>> I was looking into female-female SO239 type devices for use as the
>> shack side ground for my coax (I'd have a connector box and then make
>> sure the paired "SO239"s would then be grounded), but I wondered about
>> this.
>>
>> The price isn't great, but what worries me more is the 0.4 dB
>> insertion loss.  Or, is that at GHz frequencies only?
>>
>
> most of the time, the loss is at higher frequencies, and is a worst case
> guarantee.
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