[Antennas] help

[ik0]

>----Messaggio originale----
>Da: antennas-request at mailman.qth.net
>Data: 30/11/2012 18.00
>A: <antennas at mailman.qth.net>
>Ogg: Antennas Digest, Vol 103, Issue 8
>
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>Today's Topics:
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>   1. Re: Next dumb question (Terry Conboy)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Thu, 29 Nov 2012 09:07:58 -0800
>From: Terry Conboy <n6ry at arrl.net>
>To: antennas at mailman.qth.net
>Subject: Re: [Antennas] Next dumb question
>Message-ID: <50B7966E.6070505 at arrl.net>
>Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
>KNBR in San Francisco (actually in San Mateo) is another classic example 
>of an AM station with a capacity hat on their sectionalized tower for 
>680 kHz. - Terry
>
>http://www.fybush.com/sites/2005/site-051021.html
>
>
>On 2012-11-28 8:29 PM, Andy wrote:
>>> For those of  you who live in North New Jersey, in sight
>>> of NYC, there was, or is, a group of four radio towers
>>> which have hats on them.  I understand they were used
>>> for commercial oversees radio circuits.
>> They belong to an AM broadcast station, WPAT, Paterson, NJ, 930 kHz.
>> I drove past them not three days ago.  One of my favorite examples of
>> capacity hats.  The hats make the towers electrically long enough to
>> be suitable for 930 kHz.
>>
>> http://goo.gl/maps/ffM6y
>> In this Google Maps view you can even see the hexagonal rings that
>> make up the capacity hats, around the tops of each tower.
>>
>> http://hawkins.pair.com/wpat.shtml
>>
>> http://www.flickr.com/photos/jeffs4653/4044609209/
>>
>> The connections between the rings (hats) and the towers are faint but 
visible.
>>
>> Regards,
>> Andy
>>
>
>
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>End of Antennas Digest, Vol 103, Issue 8
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