18.432MHZHC49/4H/30/50/40/18PF/ATF 18.432MHZMJ/30/30/40/12PF 18.432MHZMQ/30/30/40/12PF 18.432OC 18.4375MHZ 18.43KSS 18.43X 18.443750MHZ 18.46303/AC 18.483MHz