Well Wookie and I have been talking about it for a while and heres the latest update.
We're kinda stuffed due to the hills in between but wookie is looking into seeing if we can dump a repeater inbetween. Will have to see what happens with that.
For everyone else here is the imagery that was generated using Arc GIS and Idrisi Kilimanjaro (GIS software)
As you can see from the graph below we'd need a mast thats 80 m high if we wanted to get a signal through.

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