You need to have one 2 bay above another 2 bay for one side, and the same for the other side. If possible, it would be best to connect the phase lines of the top and bottom 2 bays together, for both sides, and then use 2 equal length cables and combine the two sides. It is very important to keep the two halves in phase with each other or you will have a loss instead of a gain.
>< >< <-2 bay antenna(s)
>< ><
| | <- equal length cables
| |
_|___|_ <-combiner
_______
| <-output cable to receiver or pre-amp
|
Like the crude diagram.
