[Premium-Rx] Omni Ball Antenna? Another weird antenna?

[Brooke Clarke]

Hi Steve:

Does it look like this?
http://www.prc68.com/I/Images/EggBeater.jpg
linked from my antenna page at:
http://www.prc68.com/I/Ant.shtml#Mobile

This is what's called an egg beater and is a 150 MHz antenna for satellite coms.

Have Fun,

Brooke Clarke
http://www.prc68.com/P/Prod.html  Products I make and sell
http://www.prc68.com/Alpha.shtml  All my web pages listed based on html name
http://www.PRC68.com
http://www.precisionclock.com
http://www.prc68.com/I/WebCam2.shtml 24/7 Sky-Weather-Astronomy Web Cam

Stephous wrote:
> I'm trying to ID a very odd LF/HF antenna. It is configured as a sphere with
> four blade elements. Each element makes a 180 degree arc from top to bottom
> and there is a carbon fiber center post. The diameter is 13". Electrically
> the elements are joined at the top and bottom. The bottom has a 5/16" fine
> thread fitting. There are no air gaps like you would find in a traditional
> loop. The elements are bands of magnetized steel with OD green powder
> coating. If you put a compass near it the needle will point north away from
> each element. The center frequency appears to be 5 MHz, a range of DC to 10
> MHz. It is not amplified. It likes to be high off the ground, about 20 feet.
> When it is close to the ground I can hear phase cancellation. Gain below 5
> MHz is similar to a loop. It does not seem to be effected by local
> electrical interference. I'm guessing that this is some variation of a
> magnetic loop? I can send pictures. Any help would be appreciated.
> 
> Thanks,
> Steve Pappin
> 
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