Maybe some bright yellow or red plastic tubing on
the loading wires like the power companies use on guy
wires?
Charlie, N0TT
On Fri, 4 Jan 2013 16:00:15 -0600 "Doug Renwick" <ve5ra@sasktel.net>
writes:
> Any suggestions on how to keep deer out of the yard and away from
> the
> antennas? Pesky animals are always snagging my top loading lines
> and
> bending the vertical.
>
> Doug
>
> "Think of all the ways you can hurt yourself laughing."
>
> -----Original Message-----
>
> Plastic owls and rubber snakes work for some folks but are not
> universally
> successful.
>
> Ultrasonic emissions have a much higher success record. Ultrasonic
> waves are
>
> easy to "beam" directionally which permits a ground or near ground
> level
> installation with the transducer(s) aimed up to where the birds like
> to
> perch. Aiming the sound upward keeps from disturbing the dogs and
> cats.
>
> These devices are available COTS for relatively little money or
> easily built
>
> by the electronic savvy. Mine have lasted for many years and still
> work
> well. Some of these devices offer choices on the type of output. A
>
> randomly occurring warble tone similar to the "yelping style" public
> safety
> sirens (but of course in the ultrasonic spectrum) seems to work
> best. Having
>
> it come on at random intervals works best and keeps the birds from
> getting
> used to it.
>
> Inexpensive "tweeters" of the horn variety work well, especially if
> the
> design lends itself to accepting a drain hole for water (well... it
> is aimed
>
> up) Alternatively an enclosure with a hard flat reflective surface
> to aim
> the beam upward will work.
>
> I have used these for many years with great success, not only for
> birds but
> other pests as well when coupled with IR motion detector including
> cats and
> dogs who used to think my yard a public restroom and the odd skunk,
> raccoon,
>
> armadillo, or opossum.
>
> Patrick AF5CK
>
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