[TowerTalk] Beam lobes

[K4SB]

Well, it's been over 40 years since I tried to bribe my calculus prof
for a passing grade, and have forgotten most of what little I knew then.

So, need a little help. Let us assume that we have a beam antenna with
has major lobes centered on 30 and 60 degrees. ( or anywhere else )
These lobes have a -3bd point 10 degrees ( or anything ) each side of
center.Assume F/B is infinitely high.

Is there an equation which would define only the area withing the lobe
bounderies?

73

Ed

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