Fluke PM6681 - Page 141

-
Check
that the
value is
stable over time
(>30
min). TimeView
is an
excellent
tool for
viewing
frequency stability over
time.
—
Attach
a
new calibration
seal sticker
so
that it covers the hole
in
the front
panel.
9-26
Appendix,
Rubidium
Timebase