> At 11:51 AM 11/17/2004 -0500, Tom Rauch wrote:
> >It's also very important to add the ideal current
> >distribution in unidirectional arrays is NOT when power
> >distribution is equal.
note the words "in an array like this".
>>As a matter of fact, optimum
> >distribution in an array like this is NEVER when power is
> >equal, and it is NEVER when element impedances are equal.
> Careful when you use absolutes like NEVER... One can spend
a bit of time
> arguing what "optimum" might mean,
That's true. I should have anticipated someone in the world
might actually want a poorly focused pattern with shallow
nulls, or have a 4-square where the loss is so high the
mutuals are unimportant. I actually have an array like that.
It has -20dBi gain, and a wonderful pattern shape and each
feedline is fed equal power.
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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