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Old January 29th 05, 01:42 PM
Mike Coslo
 
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Roy Lewallen wrote:

*Sigh*

I tried.




Let me have a shot at it, Roy.

possible blather alert!

Perhaps there is confusion by some people with the idea that the
takeoff angle. I suspect that a lot of people think of their RF leaving
the antenna as a "blob" that leaps out at some desired or undesired angle.

Instead, the RF is heading off in all directions, with some angles
having more relative power.

So even if an antenna has a lower TOA, it might be less gain than an
antenna that has a higher TOA has at that angle.

An inefficient antenna with a low TOA can be less efficient at that low
TOA than a more efficient antenna with a higher TOA is at that same low TOA.

Oy.

- Mike KB3EIA -

rest snipped

 
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