Jack Hudler wrote: > > Could physical damage to the crystal account for this deviation?
Pretty unlikely. If you drop a crystal, it will just break and not work. The only way it could go down 100 Hz is by mass loading. I don't know how this could happen in a sealed unit. Rick Karlquist N6RK _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts