Decibel Products called something similar a Keyhole Pattern array. (3
dB omni and 2, 3 ele yagis in VHF).
Steve NU5D
Camilo So wrote:
>
> Does any know is it possible to use two antenna with a matching line,
> I mean a G7 and a 12 element Yagi, on 220 MHZ, my G7 have a very good
> coverage in farther distance, but at a closer distance there is a dead
> spot due to tall building blocking on the way, but if I use the yagi
> pointed to that particular area, I have good signal, but to use a
> voting system
>
> It s going cost me a lot, I was thinking of using two antenna
> combination at the same time,
>
> The question now is how to calculate the exact length of the matching
> cable to go for 222.660 MHZ. any suggestion is highly appreciated.
> Thank You.
>
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> de W4CSO
>
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>
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