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Old December 8th 05, 01:25 AM posted to rec.radio.amateur.antenna
Amos Keag
 
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Default Principles of operation for dual band vertical antenna (2m/70cm)

I think the Larsen operates as a loaded 2 meter, 1/2 wavelength
equivalent, and as a 2 elrment collinear on 440.

Ed Laughery wrote:
Hi

Am I correct that in a dual band mobile antenna for 2M/70 cm - the lower
portion of the antenna is cut for 70 CM and the entire antenna including the
coiled portion is used for two meters? Does all or a portion of the coil
add to the length for either frequency?

Thanks for your help.

Ed AD5JV