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RE: Formula for antenna polarization loss



If I interpreted the formula right (had to move the first close paren
to the end) it would be:

Loss (in DB) = 10*(log base 10(cos(theta))^2)

This says that the loss at 45 degrees is only about 3 dB.  If that is
right then the crosspolarized yagi's make sense.

Is that the correct interpretation?

Ron, AG5RS

-----Original Message-----
From: owner-AMSAT-BB@AMSAT.Org [mailto:owner-AMSAT-BB@AMSAT.Org]On
Behalf Of Dr. Jim Akers
Sent: Saturday, January 20, 2001 7:38 PM
To: Christopher Cox
Cc: amsat-bb@AMSAT.Org
Subject: Re: [amsat-bb] Formula for antenna polarization loss




Dr. Jim Akers
Dept. of Electrical
and Computer Engineering
Miss. State Univ.


On Sat, 20 Jan 2001, Christopher Cox wrote:

>
>
> > Chris,
> >
> > What you are looking for is:
> >
> > Loss (in DB) = 10*(log base 10)(cos(theta))^2
> >
>
> Thanks Doc!

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