[TowerTalk] [Bulk] Change in Frequency with Height above Ground

[Grant Saviers]

I thought and found in several cases it was up in F with up in height 
until last week when an A4S being tuned to CW for FD went the other 
way.  Perhaps the equipment hoisting the antenna (a boom lift) had 
substantial interaction with the beam.   A while ago with another 
antenna we did find significant interaction with a tram wire support.

Grant KZ1W

On 5/26/2016 20:24 PM, Don W7WLL wrote:
> Brain dead. Manuals all in storage.
>
> Lowering the height of an antenna above ground, such as a beam, will cause the resonant freq to decrease, increase?
>
> Don W7WLL
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