Amen and Amen. Doesn't this belong on the antenna reflectors?
What exactly does it have to do with TenTec anyway?
It's amazing how we on this reflector can just beat a dead
horse to a pulp!
Anyone received the TENTEC Argonaut or Orion?????????
73
Tony, W4FOA
AC5E@aol.com wrote:
>
> Gyro rotation, first described by Micheal Faraday, is clearly described in
> almost any standard radio engineering textbook. To quote from Terman's Radio
> Engineers Handbook, 1943 edition: Page 711, first paragraph:
>
> "The electrons in the ionosphere exist in the presence of the earth's
> magnetic field. Such a magnetic field exerts a force on a moving electron
> that is proportional to the instantaneous velocity of the electron, and to
> the component of the magnetic field at right angles to the direction of
> motion. The direction of this force is at right angles to the direction of
> motion of the electron, and to the component of the magnetic filed producing
> the deflecting effect. (follows an extended description of gyro frequency and
> its effect on electrons and radio waves that propagate in an ionized medium.)
> This trend continues until at a frequency termed the gyro frequency and
> having a value of approximately 1.4 mc (mHz), the electron vibrates in a
> spiral path... in which the velocity becomes increasingly great...."
>
> "It will be noted that in all cases where the magnetic filed of the earth has
> an influence, the effect is to cause the vibrating electrons to have some
> motion at right angles to the direction of vibration that would exist in the
> absence of a magnetic field. The polarization of the fields reradiated by the
> vibrating electrons will hence differ from that of the passing wave, causing
> the polarization to be affected by the presence of the earth's magnetic
> field."
>
> Terman continues at length, through page 723, with an extended explanation
> and mathematical explication of what I have already stated more briefly. I
> commend anyone who really wants to know to a book on propagation - with the
> observation that it would be well to make at least a brief survey of optics,
> since it seems some confusion between the behaviour of light "wavicles" and
> UHF and VHF radio waves has arisen.
>
> And for my part enough is enough.
>
> 73 Pete Allen AC5E
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