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