mentary top plan view of the receptacle of FIGS. 6A and 6B illustrating internal components of the receptacle.FIG. 7 is a top plan view of a golf ball sensing element with three distinct activation areas for use in the receptacle of FIGS. 6A-6C.FIG. 8 is a schematic block diagram of a receptacle electronics installation for communicating with the computer in a computer implemented system according