A stationary antenna may be mounted upon the pendulum element 86, the only restriction being that {HEAD ~ at least a substantial portion} of the housing 19 or {TAIL ~ the cover} 21 be of substantially electrically non conducting material to satisfactorily enable signal emission from the housing assembly 
A stationary antenna may be mounted upon the pendulum element 86 , the only restriction being that { HEAD ~ at least a substantial portion } of the housing 19 or { TAIL ~ the cover } 21 be of substantially electrically non conducting material to satisfactorily enable signal emission from the housing assembly
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