Ed Laughery wrote:
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?

For mine, the coil acts as a loading coil on 2m and a phasing coil on 70cm.
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73, Cecil http://www.qsl.net/w5dxp