I gotta chime in here. I have an electric fence. It is put up correctly, and it
does pop on the radio. It is nice though that the K3 noise blanker either
eliminates it or at least reduces it to a manageable level...usually depends on the
>Electric fence chargers don't (normally) cause noise.
>Its the installation of the wires they feed that causes
>noise.
>
>There are two kinds of chargers ... one generates a
>quick pulse ... a "pop" ... and the other generates a
>longer burst of energy and makes a "bzzzt" sound.
>The later is often called a "weed burner". It's intent
>is to burn away any weed that grows into contact with
>the fence.
>
>I have had good luck with asking / offering the owner
>if I can fix the fence, with an emphasis on "it will work
>better when I'm through".
>
>They're almost always put up poorly, with no knowledge
>of how to do the job correctly. Joints are made by simply
>making two loops together like one would link two index
>fingers together. These need to be twisted ... tightly.
>Ditto for the tie-wires used to fasten wire to insulators.
>
>Sometimes there are -NO- insulators used on wood fence
>posts, and I have found the charged wire stapled to the
>post. If the staple isn't tight, a tiny arc will result. This is
>one common source of "power line noise" on power line
>distribution system pole ground wires, BTW. It's been known
>to set poles ablaze. There are insulated gate hooks that are
>fine sources of noise.
>
>Look at an electric fence as an antenna and construct it
>in the same way. It will be much more likely to be "quiet".
>
>Again, the noise isn't from the charger ... it's generated
>along the wire. Carrying an AM radio along the fence may
>be helpful and is useful in illustrating to the fence owner what
>you're talking about. He/she may already be aware of the
>noise and not know the source. (:-))
>
>73! Ken Kopp - K0PP
>
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