Tom,
For mismatched lines, phase change is not linear per unit length. The current
forcing function at every 1/2 wavelength still holds. You can find more
information in this article by Roy Lewallen.
http://www.eznec.com/Amateur/Articles/Simpfeed.pdf
73
Chris Adams, n4vi/0
-------------- Original message ----------------------
From: "Tom Osborne" <w7why@verizon.net>
> OK all you math guru's.
>
> I have been trying to figure an easy way to find the length of a couple of
> phasing lines.
>
> What I want is an 84 degree and 71 degree phasing line for 7.050.
>
> I found one way, but I thought was kind of a long way around.
>
> If 360 degrees is ~132 feet, is 1 degree .068 feet? Then can you multiply
> that by 84 and get the answer (that way it comes out to 30.9 feet).
>
> Is there a simple formula?
>
> I asked a guy at work and he was telling me about signs and cosigns, and I
> graduated from high school in 1954 :-) 73
> Tom W7WHY
>
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|