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Antenna beamwidth? - RF Cafe Forums
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| Qacer
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Post subject: Antenna beamwidth?
Posted: Sat Feb 10, 2007 3:30 pm
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Joined: Sat Apr 23, 2005
2:09 pm
Posts: 17
Location: Tampa, FL
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If I am given an antenna pattern plot that looks
like this: How would I estimate its beamwidth?
I was thinking that I find the point where the
antenna shows the maximum gain and trace through
the plot from one side finding the 3-db point and
trace the opposite side finding another 3-db point.
Is this correct?
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nubbage |
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Post subject:
Posted: Mon Feb 12, 2007 5:00 am
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| General |
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Joined: Fri Feb 17, 2006
12:07 pm
Posts: 218
Location: London UK
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Yes, that is correct.
Some people quote the full
side-to-side beamwidth as you describe, while others
state the angle as +- x degrees, ie each side of
the max gain direction.
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Posted 11/12/2012
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