[Antennas] " G5RV " TYPE ANTENNA / "CUSHCRAFT MA5V" ANTENNA QUESTIONS

Mon, 01 Jul 2002 17:45:43 -0700

I think that this is a good point of discussion.

I have read that the spacing should be about 3 times the spacing of the=20
ladder line.  BUT I have also read that the spacing should be so much of a=
=20
wave length.  Does anyone know how this spacings were developed?

Chris opr VE7HCB

At 05:52 PM 2002-06-30 -0700, K6MHE wrote:
>At 05:22 PM 6/30/2002 -0700, you wrote:
>>As far as the G5RV, I would recommend the following:
>>
>>[snip]
>>
>>3.  The ladder line should be spaced away from the
>>tower, and any other metal objects, about 15 feet.
>>This is easily accomplished by strapping a piece of
>>PVC pipe to the tower.
>
>That would be true if the ladder line's conductors had a spacing of 5 feet!
>
>Ladder line should be keep away from conductive surfaces a distance equal=
=20
>to 2=BD to 3 times the spacing of the parallel conductors. In other words=
=20
>the popular plastic window line in which the wires are spaced 0.8 of an=20
>inch; the spacing should be greater than 2 to 2=BD inches. Great distances,=
=20
>of course, won't hurt but are unnecessary.
>
>Danny, K6MHE
>
>
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