[Elecraft] OT: 3L rotating 160m yagi

[Fred Jensen]

Bill W4ZV wrote:

> but the difference is significantly more on 160m because 1.8MHz is very
> close to the
> electron gyro-frequency (which varies from about 0.7 to 1.7MHz worldwide
> depending
> on the intensity of the magnetic field), which significantly modifies the
> index of  
> refraction of the x-wave. And as we saw on 10m, the x-wave refracts more
> than the o-wave. 

How do I get a "gyro-frequency"?

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2009 Cal QSO Party  3-4 Oct 2009
- www.cqp.org