There is one at the FAA control center in Leesburg, VA that is more
conventional in design, though still huge - boom is a big tower section,
and the longest elements look like they are in the 130-foot range, maybe
with loading coils.
73, Pete N4ZR
Visit the Contesting Compendium at http://wiki.contesting.com
The World Contest Station Database, updated daily at www.conteststations.com
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On 1/25/2010 2:39 PM, N4NW wrote:
> Doubtful if you will find one in a scrap yard. When I worked for the
> State Department and was stationed in Africa in the 80's we removed
> the full size log from the top of the embassy in Harare, Ziimbabwe.
>
> It sat around the warehouse there for a year or so until the embassy
> decided they wanted to sell it at a surplus auction. I bought it for
> ZS6P for less than $100 then he spent about $500 having it shipped
> from Harare to Pretoria.
>
> This was a huge antenna consisting of 3 each arms made for tower
> sections about the size of Rohn 25g attached at the center on 10
> indexing. Here is a link to a picture of one. The one on the embassy
> did not have the tower but a pedestal. In any case - it covered from 3-30MHz.
>
> Here is the link: http://www.antenna.be/an/ant-lph89.jpeg
>
>
> At 11:32 AM 1/25/2010, Stuart Browne wrote:
>
>> Granger Communications used to make "embassy" LPDA's that were real big.
>> There's probably a company near DC that has one siting in the scrap yard.
>>
>> WH6H
>>
>> On Mon, Jan 25, 2010 at 9:58 AM, Doug Rehman<doug@k4ac.com> wrote:
>>
>>
>>> Tennadyne had some 40-20/10m logs on their website, but they are not there
>>> currently (at least I didn't see them). I contacted them a couple years ago
>>> and was told that there didn't seem to be any interest in them, so they had
>>> stopped advertising them.
>>>
>>> The web page for the 40-10m log can be seen at:
>>>
>>>
>>>
>> http://web.archive.org/web/20070814111223/http://www.tennadyne.com/40MeterLo
>>
>>>
>> gs.htm<http://web.archive.org/web/20070814111223/http://www.tennadyne.com/40MeterLo%0Ags.htm>
>> (
>>
>>> archive.org is a great site by the way for researching what web
>>> pages looked like at some time in the past).
>>>
>>> There is only one version that covers from 40-10m, the T14.40M-10M:
>>> Boom: 54'
>>> Gain: 5.1 dBd
>>> F-B: 15-25dB
>>> Weight: 400#
>>> Wind Area: 36.75 sqft
>>> Turn Radius: 37'
>>> Longest element: 75'
>>> Elements: 14
>>> Price: $3,895 (in 2007)
>>>
>>> Doug
>>> K4AC
>>>
>>>
>>>
>>>> -----Original Message-----
>>>> From: towertalk-bounces@contesting.com [mailto:towertalk-
>>>> bounces@contesting.com] On Behalf Of Alan Fryer
>>>> Sent: Monday, January 25, 2010 10:25 AM
>>>> To: Tower and HF antenna construction topics.
>>>> Subject: [TowerTalk] WTB: Large HF Log Periodic
>>>>
>>>> Want to see what might be out there, before ordering.
>>>>
>>>> Looking for a large HF log antenna, 30 FT boom or longer, preferably
>>>> including 30m, perhaps 40M. Something on the order of a M2 7&10-30 LP8 or
>>>>
>>> a
>>>
>>>> large Tennadyne or maybe an older antenna, not sure what all was made by
>>>> HyGain, KLM, etc. over the years.
>>>> Please let me know what you may have that is surplus to your needs.
>>>> Willing to drive a signifigant distance from Roanoke, VA to pick it up.
>>>>
>>>> Alan, N3BJ
>>>>
>>> _______________________________________________
>>>
>>>
>>>
>>> _______________________________________________
>>> TowerTalk mailing list
>>> TowerTalk@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/towertalk
>>>
>>>
>> _______________________________________________
>>
>>
>>
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