[GreenKeys] Electronic Control Unit for BRPE

[Jim Haynes]

That was in the same time frame as the AN/FGC-5 four channel time
division multiplex, which used vacuum tubes and thyratrons.  The FGC-5
was designed in-house and manufactured by a subcontractor.  Those
units might have been too.

 	---

 	"Ya can argue all ya wanna, but it's dif'rent than it was."
 	"No it ain't! No it ain't!  But ya gotta know the territory."
 		Meredith Willson, The Music Man