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Posted for "Steve Soza-Gorham" <7thson@airmail.net>:

Bob, I have been following this thread on birds in your hanger.
While I have no idea if the rodent ultrasonic devices work, I do think you
have an alternative...apparently made especially for birds.
In the underground parking garage of Presby Hospital in Dallas they have
these little 5" square boxes that emit a chirp, probably simulating a bird
of prey.
The chirp about once every 30 seconds or so.
They do seem to work, as there is certainly no bird problem in there.
Without them I would imagine a big problem would be occurring, due to the
underground parking being a relief from this wonderful Texas weather.  (any
port in a storm ;)
I tried but I could not see any tag on them on who makes them, but it is
something you might consider looking up.
If worse comes to worse I guess you could possibly call maintenance for the
parking garage and ask them who is mfg.
The hospital is Presbyterian Hospital at 8160 Walnut Hill Lane,  Dallas  TX
75231

Just a thought that this may be of assistance.  Hope it helps and good luck
with your problem.
If I can be of any assistance let me know.
Keep us posted on what you find, would you?

Do take care,

Steve Soza-Gorham
 7thson@airmail.net

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