I have a small 5 wire 57.5V 400Hz Selsyn unit that measures 2.25" O.D. at mounting ring and 1.9" main body the nomenclature for it is 2J1G1 Can anyone tell me if a 2J1M1,... which looks physically about the same and is also 5 wire unit can be paired up with the 2J1G1 that I have as a receiver send pair 73, Dennis N6KI