[RFI] fence chargers

[Pete Smith N4ZR]

And the usual things ... are all the connections in the fence circuit 
tight?  Are there any leakage paths to ground such as uninsulated fence 
post mountings, or even tall grass close to the hot wire?  But charger 
grounding has been a leading cause of problems around here.

73, Pete N4ZR
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On 5/13/2013 7:26 PM, n0tt1 at juno.com wrote:
> I'm assuming you are complaining about RFI and not
> acoustics.  I'm not familiar with any particular brand
> that is RF quiet.  The old battery-operated fencers
> are acoustically noisy.....like bonk - bonk - bonk every
> second or so...can drive you nuts on a quiet day!
>
> The guys have said recently that an "RF choke" at the
> fencer output makes a lot of difference.  That will take
> the "edge" off the waveform to greatly reduce its interferrence.
> Google is your friend.
>
> Also, it's very important that the fencer has a
> good grounding sysyem.  It it doesn't, the return path
> via the earth can be way too long, making the fencer less effective
> and increasing the length of its "antenna".
>
> 73,
> Charlie, N0TT
>
> On Mon, 13 May 2013 22:40:48 +0000 "K1TTT" <K1TTT at ARRL.NET> writes:
>> A neighbor just brought out an old fence charger and put it on a
>> small fence
>> around his beehive. makes a heck of a racket!  I haven't checked in
>> a while
>> but aren't there new chargers that are quieter?  Or is there a good
>> way to
>> quiet down an old one?
>>
>>   
>>
>> David Robbins K1TTT
>> e-mail:  <mailto:k1ttt at arrl.net> mailto:k1ttt at arrl.net
>> web:  <http://wiki.k1ttt.net/> http://wiki.k1ttt.net
>> AR-Cluster node: 145.69MHz or  <telnet://k1ttt.net/>
>> telnet://k1ttt.net
>>
>>   
>>
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