[RFI] Pole mounted lightning arresters?

[Steve London]

There are a number of different types of electric fences out there.

I had one a mile away, purchased from Tractor Supply. It was one second on, one 
second off. The idea is to shock the horse, not electrocute it. The fence was 
arcing to ground through overgrown vegetation. Once that was cut down, all was 
quiet.

On the lightning arrestor side, I had one a mile away. S9+20 dB on 20 meters. 
Disconnected by the power company, and later replaced.

If you really want extreme cases, at the old N5IA station, we had S8 noise on 
the JA beverage. That was caused by a power line issue 6 miles away !

73,
Steve, N2IC

On 01/11/2021 05:18 PM, N4ZR wrote:
>  From my experience, if it is an electric fence it will be on continuously, and 
> the individual "ticks" will be very discrete.
> 
> 73, Pete N4ZR
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> 
> On 1/11/2021 6:31 PM, Mike Smith VE9AA wrote:
>> Chuck et al
>>
>>
>> I am not an authority on RFI.not at all..however the once/second
>> tick-tick-tick sounds a little bit like an electric fence.
>>
>> For about 3-4 yrs I had an active one almost underneath some of my antennas.
>> ( a few feet away in spots)
>>
>>
>> Near drove me crazy.(crazier?)..it was much louder on 160m (S9+++) than it
>> was on 2m (even with a big yagi aimed right at it.maybe s1 on 2m).  Levels
>> did go up and down depending on several factors I won't bore all you with.
>> The noise blanker helped a lot, however I am primarily a contester and a
>> full band of loud signals and a NB don't play well together.
>>
>>
>> Thankfully, that neighbour moved away and the new owner does not (at this
>> time) intend to reactivate it.
>>
>>
>> Are you sure it's something up a pole?  Could it be an e-fence being
>> re-radiated somehow?
>>
>>
>> If you've already done your homework, pse ignore. . . . just tossing it out
>> there.
>>
>>
>> GL !
>>
>>
>>
>> Mike VE9AA
>>
>>
>> Mike, Coreen & Corey
>>
>> Keswick Ridge, NB
>>
>>
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