IEC 60169-13:1976/AMD1:1996
IEC 60169-13:1976/AMD1:1996 Amendment 1 - Radio-frequency connectors - Part 13: R.F. coaxial connectors with inner diameter of outer conductor 5.6 mm (0.22 in) - Characteristic impedance 75 ohms (Type 1.6/5.6) - Characteristic impedance 50 ohms (Type 1.8/5.6) with similar mating dimensions
