My understanding from talking to the experts is that no aging, or environmental effects are observable on the 5071A, and measurements have been made into the 10^-15 range. Also, no systematic frequency offset has been observed down to at least 1x10^-14. IE, frequency offset between different 5071A's is randomly distributed with a mean within 10-14 of laboratory standards, such as Cs fountains. Knowing the way we overdesigned the 5071A, I am not surprised that it is this good.
Rick Karlquist (member of 5071A design team) _______________________________________________ time-nuts mailing list [email protected] https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
