Re: [TowerTalk] Fwd: Change in Frequency As Antenna Height

[Steve Hunt <steve@karinya.net>]

Scale the height by 2 and divide the frequency shift by 2 and it bears 
comparison with this:
http://www.karinya.net/g3txq/temp/dipole_vs_cobweb_tuning.png

Steve G3TXQ

On 02/06/2016 18:08, Jim Thomson wrote:
> ##  scale that up to 40m... then it becomes  a 205 khz  increase when going from
> 20 ft..to  100 ft.   But I dont know if scaling or extrapolating the 10M data 
> is valid.
>
> Jim  VE7RF.
>
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