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Old March 25th 06, 01:09 AM posted to rec.radio.amateur.antenna
Owen Duffy
 
Posts: n/a
Default Capture Area (was antenna theory for idiots?)

On Fri, 24 Mar 2006 06:57:21 -0800, "Caveat Lector"
wrote:

Here is a site for examples of capture areas of antennas

http://www.sommerantennas.com/gain.html



Are you recommending it?

Is the following statement from the page correct?

"Note: Antenna B has only half the capture area of antenna A and is
therefore able to "catch" only 50 percent of the electromagnetic
field; e.g., 50mV, compared to 100 mV/50 Ohms. This means 6dB less
gain for antenna B in comparison to antenna A."
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