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Old September 29th 03, 02:55 PM
 
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Default WTB; 10M thru 20M log periodic

very interesred in obtaining data and pricing on smallest possible 10M thu
20M
log periodic antenna...........what have you got?


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Old September 29th 03, 04:27 PM
Duane Allen
 
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Bob,

If your willing to experiment a little,
Antenna Compendium 3 has estimates for a log periodic loop array.

I have never heard of one being built. W1NMZ said that he had modelled
one and it performed similar to prediction with the exception that I had
overestimate the gain over a traditional log periodic dipole array.

One design detail that I have not figured out is the spacing of the feed
between adjacent loops.

With respect to dimension, if I recall correctly, the overall length was
about 36 feet and the widest element, the reflector, was about 24 feet.
This would result in a turning radius of about 30 feet.

If you decide to try out the LPLA, let me know. I am very curious to
see if the design works. I would be glad to assist you.

Good luck,
Duane Allen
N6JPO Riverside



wrote:

very interesred in obtaining data and pricing on smallest possible 10M thu
20M
log periodic antenna...........what have you got?



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Old September 29th 03, 07:52 PM
John Passaneau
 
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Look at the 6 element Tennadyne T6. http://www.tennadyne.com/
Very well made and works just like the specs. say it should.


--
John Passaneau W3JXP
State College Pa



wrote in message
m...
very interesred in obtaining data and pricing on smallest possible 10M thu
20M
log periodic antenna...........what have you got?




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Old September 29th 03, 07:59 PM
Dave Shrader
 
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Look at Tennadyne

http://www.tennadyne.com

A satisfied customer

wrote:
very interesred in obtaining data and pricing on smallest possible 10M thu
20M
log periodic antenna...........what have you got?



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Old September 30th 03, 04:52 PM
hasan schiers
 
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I would also chime in as a very satisfied current owner/user of the
Tennadyne T-6 Log Periodic and formerly a T-10 at the old qth. Very well
built and does what an antenna of it's size should. At the prior qth the
T-10 (24' boom) went through FIVE major ice storms without obvious damage
(although when I took it down to move I did notice a crack in the boom at
the rear of the antenna (largest element)). Tennadyne has since re-designed
the booms, and the T-6 now uses two rectangular booms. If you're not a
big-gun dx'er and just want an antenna that does a very good job from 20-10m
with moderate gain and excellent f/b, then the T-6 would be a wise choice.
It's also quite reasonably priced, has low wind loading and weight.

....hasan, N0AN
wrote in message
m...
very interesred in obtaining data and pricing on smallest possible 10M thu
20M
log periodic antenna...........what have you got?






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Old October 2nd 03, 02:20 PM
John Passaneau
 
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I know it doesn't really mean anything but I started working on DXCC when I
put the T6 up 2 years ago. I now have 273 countries worked and have DXCC on
20/15/10 and I'm waiting for cards for 17m, all on phone. My antenna is at
40' due to local height restrictions. I couldn't be happier, well not true,
the SWR on all bands meets specifications but is higher than I would like,
A maximum of 1:1 would be nice but it's not realistic. The T8 specifications
are for a bit lower maximum SWR. I keep thinking it would have been better
to have. But with size, cost and my location considered, the T6 does the job
very well.



--
John Passaneau W3JXP
State College Pa


"hasan schiers" wrote in message
...
I would also chime in as a very satisfied current owner/user of the
Tennadyne T-6 Log Periodic and formerly a T-10 at the old qth. Very well
built and does what an antenna of it's size should. At the prior qth the
T-10 (24' boom) went through FIVE major ice storms without obvious damage
(although when I took it down to move I did notice a crack in the boom at
the rear of the antenna (largest element)). Tennadyne has since

re-designed
the booms, and the T-6 now uses two rectangular booms. If you're not a
big-gun dx'er and just want an antenna that does a very good job from

20-10m
with moderate gain and excellent f/b, then the T-6 would be a wise choice.
It's also quite reasonably priced, has low wind loading and weight.

...hasan, N0AN
wrote in message
m...
very interesred in obtaining data and pricing on smallest possible 10M

thu
20M
log periodic antenna...........what have you got?






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