My understanding is that the precise cesium hyperfine transition energy, and hence microwave frequency, is dependent upon the applied C-field, and the field setting to select a particular transition is the same for all clocks (which is why these are primary standards). The C-field is set by applying an LF signal at the correct frequency to cause Zeeman splitting, and optimizing the C-field to peak the splitting.
So, shouldn't the Zeeman frequency always be 42.82 Khz, which is what I've seen in every reference? But, my 5061A with a high-performance tube has a sticker that says 'Zeeman freq 53.53 Khz'. I can indeed get Zeeman splitting at that frequency with a C-field setting of 3.45, but is this correct? If so, why? (BTW - I don't seem to be able to get any splitting at 42.82 Khz) Confused, Bill -- Bill Ezell ---------- They said 'Windows or better' so I used Linux. _______________________________________________ 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.