HC-49/S 14.31818 HC-49/S 14.31818MHZ 18PF HC-49/S 16.000MHZ HC-49/S 16.00MHZ HC49/S 17.734475M 8PF HC-49/S 18.432MHZ 18PF HC-49/S 19.6608MHZ 16PF HC-49/S 20.000MHZ 20PF HC-49/S 22.5792MHZ 12PF HC-49/S 24.576MHZ