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Old February 22nd 05, 07:23 PM
ShortwaveMan
 
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Default Fractal Transmitter Antenna

http://seti.sentry.net/archive/publi...8/00000126.htm
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Old February 22nd 05, 07:25 PM
Ron Hardin
 
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Log periodic beams are ancient
--
Ron Hardin


On the internet, nobody knows you're a jerk.
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Old February 22nd 05, 07:40 PM
ShortwaveMan
 
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I'm not a ham, but my interest lies in whether such an antenna would improve
reception for shortwave listening s ?

~~~~~ God gives Peace not war +

"Ron Hardin" wrote in message
...
Log periodic beams are ancient
--
Ron Hardin


On the internet, nobody knows you're a jerk.



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Old February 22nd 05, 07:51 PM
 
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If you can afford to build one, have the space needed,
and nonly want to listen in one direction.
If you want a LP that is rotatable, prepare to spend even
more money. They are great for VHF TV, scannig, and
have some utiltiy for ham radio.
But for say 3~20MHz it would be HUDGE.
There are better choices for HF.
Terry

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Old February 22nd 05, 08:19 PM
Brian Oakley
 
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wrote in message
oups.com...
If you can afford to build one, have the space needed,
and nonly want to listen in one direction.
If you want a LP that is rotatable, prepare to spend even
more money. They are great for VHF TV, scannig, and
have some utiltiy for ham radio.
But for say 3~20MHz it would be HUDGE.
There are better choices for HF.
Terry

Depends on what you mean by "better". If you want something that is
broadband enough to cover 3-30 and as directional as a yagi, with very good
directional gain, then a LP is not a "bad" choice given you have the room.
B




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Old February 22nd 05, 09:33 PM
dxAce
 
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ShortwaveMan wrote:

I'm not a ham, but my interest lies in whether such an antenna would improve
reception for shortwave listening s ?


There is a fairly well known DX'er in western Canada who uses a rather large
log-periodic antenna mounted on a big tower.

His name escapes me at the moment, but I have seen some pictures of his set up.

dxAce
Michigan
USA


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Old February 22nd 05, 07:58 PM
 
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If you go to their web site, one of the antennas shown
look a whole like like a spiral antenna. Hardly new or
earth shattering. I saw on back in the late 1960s.
The web site shows it under a pop drink cap, I guess for
RFID.
It is not unusual to talk around the world on 10mtrs (28MHz),
with one watt. Back in 1985 I talked with a ham in Papau New
Guinea with a modified JC Penny CB converted to the 10mtr
ham band. using a fairrly awful antenna, a base loaded converted
CB antenna, running about 1.2Watts PEP.
Terry

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