[Elecraft] OT:. G5RV's

Joe Subich, W4TV lists at subich.com
Thu Aug 4 17:27:03 EDT 2016


On 8/4/2016 4:41 PM, Wes Stewart wrote:
 > First, a 102' length is not resonant on 20-meters, so in common
 > jargon, it's *not* a 20-meter antenna, any more than any other random
 > length would be.

*Not* true ... 102' is three half-waves on 20 meters:
    984/2 * (3 -.05) / 14.15 =  102.6'

Check the ARRL antenna book for the formula of a "harmonic wire" -
in this case three half waves.

73,

    ... Joe, W4TV



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