For those running a net4501 NTP server with the original clock, there are some 33.333MHz TCXO modules on ebay for sale, item #181008085393. I haven't received mine yet so I can't guarantee they will work, but they're 3.3v parts, so I think they will. They are Chrystek CXOHV8-HF3-33.333MHz, data sheet at http://www.crystek.com/crystal/spec-sheets/tcxo/CXOHV8.pdf -- eric _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.