How high off the roof are you going to be and haw far is the edge of the roof from the spire? MM > They are going on an existing spire, but they will be the lowest antenna > on the Spire. > > A 1 bay simply would make the roof too 'hot', although the top antenna is > a 1 bay (they are a 780 watt class A, mine as a 9 kW class B). > > -D >