[TowerTalk] Bye Bye Deer

Doug Renwick ve5ra at sasktel.net
Fri Jan 4 17:00:15 EST 2013


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



More information about the TowerTalk mailing list