re the ET-4336 and its two oscillators. = Can anyone confirm that RCA manufactured the two oscillators, = the Crystal unit and the VFO unit ? I have a handbook for the crystal unit, MI - 19469, which states made by= Wilcox-Gay Corp. Maybe, like the TCS, several manufacturers were involved. = Does anyone know the MI number of the VFO unit ? regards and HNY, Ben G4BXD