[TowerTalk] Ground radials- the long and short of it

[dennis o'connor]

On this subject, ON4UN states on page 9-11 of Low Band Dxing (3rd), 
"for a
wire ON the ground, the physical length for 1/4 wave resonance will be
approximately .14 wavelength". Can the shortening effect truly be this
great?
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My testing on sandy soils shows 45% to 60% shortening when on the 
ground - the better the soil the greater the shortening...  You can do 
your own simple test... Hang a dipole - any length - chest high, 
measure the resonance point, drop it on the ground and find the 
resonance, pull it up in the air and measure...

Denny

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