"Walter Maxwell" wrote
You've presented a very interesting way of measuring soil
characteristics. When
I return to Florida in November I'm going to use your method of
measuring the
soil underneath the dipole

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Walt, would it be possible for somebody to go to B.L & E's original
site and measure the soil charateristics which they completely forgot
all about. Presumably, they were not aware that the type of soil had
any effect on their measurments. At what time of the year did they
conduct their famous experiments?

Pity we shall have to wait till November for you to re-visit Florida.
In view of the high temperature coefficient of soil resistivity and
probability on permittivity, don't forget to take a thermometer.

What was the soil temperature when you made your HF measurements
versus height? Soil temperate discrepancies might be of greater order
and swamp the effects of considerable changes in antenna height.

But I suggest we are more interested in change of antenna impedance
versus height above ground than we are in apparent change in soil
characteristics versus frequency.
----
Reg, G4FGQ