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Harlan Grove
 
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Default Make a Fresnel Zone Calculator

"SlimPickins" wrote...
I wantt to make a calculator with excel. I know some excel basics, but
I need help with the formula in the link below.

http://www.softwright.com/faq/engine...Clearance.html


Presumably you'd be entering N, lambda, D_1 and D_2, and want F_N. If so,
calculate F_N as

=SQRT(N*lambda*HARMEAN(D_1,D_2))


I would also like downtilt and azimuth calculators from the link
below.

http://www.wisp-router.com/calculators/fresnel.php


I'd need to edit this site's source to find the formulas in the php code.
You wouldn't happen to have a more explicit reference, would you?


 
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