Re: Topband: Measuring field strength (for the purpose ofradialevaluation)

["Tom Rauch" <w8ji@contesting.com>]

> My method involves relative measurements. In this case we 
> are comparing X
> number of radials versus Y number of radials. As one adds 
> radials on a ground
> mounted vertical, the feedpoint impedance will decrease as 
> the ground losses are
> lowered. So, one adds radials and measures the feedpoint 
> impedance. When the
> impedance stops decreasing it is time to stop adding 
> radials.

As measurements show that doesn't always work. FS can keep 
changing even when feed impedance does not change.
Seen it happen many times.

73 Tom 


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