SYN1618 type high precision astronomical time synchronization system
SYN011 B code timing system
SYN1610 B code timing equipment
SYN3305A miniature timing equipment
SYN012 B code timing system
SYN1621 positioning and orientation timing equipment
SYN013 time serial terminal
SYN1401A type B code switching distributor
SYN5004B frequency standard switching distributor
SYN016 high precision timing equipment