Copper Talk » Open Forum » Archived Messages » 2002 » 09/01/2002 to 09/30/2002 » I think Im bad! WHAT DO YALL THINK? « Previous Next »

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Taz
Posted on Thursday, September 26, 2002 - 9:35 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
Tazs big antenna

I think about 100kw through my big antenna here ought to wake up some mud ducks.
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Taz
Posted on Thursday, September 26, 2002 - 10:34 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
another big antenna


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Taz
Posted on Thursday, September 26, 2002 - 10:38 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
Really intersting information on that antenna:

http://www.mindspring.com/~cummings7/wullen.html
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Bigbob
Posted on Friday, September 27, 2002 - 6:24 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
A hundred kw more like 1000 kw!
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Taz
Posted on Friday, September 27, 2002 - 9:29 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
haha, well with all the power multiplacation it would be like 20 million watts with that sucker.


Taz
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HoosierCardinal
Posted on Friday, September 27, 2002 - 10:26 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
LOL! Those ol' Brits have some wierd looking stuff dont they?
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Taz
Posted on Saturday, September 28, 2002 - 12:57 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
I guess so.
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Taz
Posted on Saturday, September 28, 2002 - 12:58 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
That antenna is huge. 40 acres!!!!
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Joe Smith
Posted on Saturday, September 28, 2002 - 11:32 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
RAF Chicksands was actually a US base.
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Joe Smith
Posted on Saturday, September 28, 2002 - 11:33 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
Taz, you want me to go take some pictures of it for you. It's only about a 2 hour drive from my house.
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Tech833
Posted on Saturday, September 28, 2002 - 11:37 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
That is a Wullenweber (spelling?) array. It is used for radio direction finding. It is receive only, you cannot transmit through the array.

The 'ring' is only a parasitic reflector (no electrical connection). The antennas around the perimeter are switched one at a time around the array to simulate a 'rotating' antenna. The elements 'rotate' at an audio rate (like 200 to 1000 rotations per second). The sum of the rotating antennas is fed to an AM receiver and the resulting audio rate amplitude waveform is processed to show where the strongest signal level and weakest signal directions are. This is like a rotating yagi (beam) but instantaneous. You could key your radio for only a fraction of a second and they would have a fix on you.

I use a mobile version of a Wullenweber for my mobile RDF (only 5 small antennas though). It works very well.
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Taz
Posted on Sunday, September 29, 2002 - 12:52 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
Hey joe, if you ever could that would be awesome!

I would love to have more.


Taz