[Hi-zreceivingarraydiscussions] help with 3L array

[contact]

ok you're on it.  good..

On 5/2/2011 12:53 PM, Lee K7TJR wrote:
>    Hi Dan. It sure sounds like something is not working in the direction switching.
> Here is the truth table for switching. I recommend you check it at both ends,
>   the shack and controller.
>
> 3 element switching
>
> Direction 1 (N)   Ctrl 1  Gnd
>
> Direction 2         Ctrl 3&  4 Gnd
>
> Direction 3         Ctrl 2 Gnd
>
> Direction 4         Ctrl 1&  4 Gnd
>
> Direction 5         Ctrl 3 Gnd
>
> Direction 6         Ctrl 2&  4 Gnd
>
> All other Ctrl lines should remain at power supply voltage when not switched.
>
> Lee  K7TJR
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