Is he facing North?
Les W2LK
On 9/1/2010 2:42 PM, Robert Harmon wrote:
> Steve,
>
> You are quite right. Duly noted. No more on divining rods from
> me..................
>
> Back to our forum, hi,hi.
> I couldn't find much in the archives on solutions to birds on our antennas.
> I wanted to follow
> up on my last comment concerning my (unsuccessful) experience with a plastic
> owl for bird abatement.
> I have found a solution that so far has worked well for me.
> We are surrounded with vineyards around here and birds are are big issue for
> the winery owners.
> I found out that many of the wineries use a network of ultrasonic bird
> repellers. It was suggested
> that I try a small ultrasonic unit mounted close to the tower. I purchased a
> small unit manufactured by Bird-X
> from Home Depot and mounted it about 5 foot up from the base of the tower.
> Voila, it works !
> The cost for one of these units isn't much more than a plastic owl. I
> cleaned the bird droppings
> off my owl and mounted him on a fence post in the back yard. (I may have to
> mount a tiny umbrella
> above him to protect him from bird droppings, hi,hi)
>
> 73,
> Bob
> K6UJ
>
>
>
>
>
> On Sep 1, 2010, at 5:16 AM, Steven Kerns wrote:
>
>> I thought this forum was towerTalk. I see nothing here in this lengthly
>> discussion that has to do with towers...
>>
>> I am sure you can find a divining forum somewhere on the internet to further
>> discuss this.
>>
>>
>> Steve, N3FTI
>>
>>
>>
>> --- On Wed, 9/1/10, Robert Harmon<k6uj@pacbell.net> wrote:
>>
>>> From: Robert Harmon<k6uj@pacbell.net>
>>> Subject: Re: [TowerTalk] Fwd: Divining rods
>>> To: hanslg@aol.com
>>> Cc: towertalk@contesting.com
>>> Date: Wednesday, September 1, 2010, 12:33 AM
>>> Hans,
>>>
>>> I'll bet it can, hi,hi.
>>>
>>> I'll tell you one thing they sure don't scare the birds
>>> away.
>>> I bought one from HRO and put it on the very top of the
>>> mast on my tower. I didn't notice any decrease in the
>>> birds.
>>> After about six months I was up on the tower doing some
>>> antenna work and climbed up to check on the owl.
>>> The birds didn't give my owl any respect, he was covered
>>> with bird s### , hi,hi.
>>>
>>> Bob
>>> K6UJ
>>>
>>>
>>>
>>> On Aug 31, 2010, at 9:23 PM, hanslg@aol.com
>>> wrote:
>>>
>>>> I wonder if a north-seeking, plastic owl can do?
>>>>
>>>> Hans
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: jimlux<jimlux@earthlink.net>
>>>> To: Alan NV8A<nv8a@charter.net>
>>>> Cc: TowerTalk<TowerTalk@contesting.com>
>>>> Sent: Tue, Aug 31, 2010 8:10 pm
>>>> Subject: Re: [TowerTalk] Divining rods
>>>>
>>>>
>>>> Alan NV8A wrote:
>>>>
>>>>> I remember reading decades ago that, according to
>>> the laws of
>>>>> aerodynamics, bees cannot fly because their wings
>>> are not large enough
>>>>> for their body size. The bees, however, being
>>> unfamiliar with the laws
>>>>> of aerodynamics, just keep flying anyway.
>>>>>
>>>>> 73
>>>>
>>>>
>>>>
>>>>
>>>> That's a canard..
>>>>
>>>>
>>>> it was originally intended to demonstrate that simple
>>> models do not
>>>> always work (e.g. flapping wings are not steady state
>>> flow, no you can't
>>>> neglect thermodynamics, etc.)
>>>>
>>>>
>>>> Sort of like modeling an antenna as a lumped
>>> RLC. Works for small
>>>> frequency ranges, but not for large ones.
>>>>
>>>> _______________________________________________
>>>>
>>>>
>>>>
>>>>
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>>>>
>>>>
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>>
>>
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