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The 200 ft of coax is a signal killer.
First you must use SOLID copper center conductor coax that has a heavy gauge braid as well.
Copper plated steel center conductors and aluminum foil shields are very poor conductors of electricity.
When using a preamp at that distance, you will be lucky to have enough voltage and current at the antenna mounted preamp to allow it to work properly.
You can also upgrade to rg11 coax to reduce the loss.
Your polar plot indicates you need to either aim each 4 bay side in slightly different directions or simply use one aimed northeast.
In either case, the plot indicates there is plenty of signal available if you aren't blocked by trees etc.
Last edited by WIRELESS ENGINEER; 14-Jan-2017 at 3:20 PM.
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