7-5
Text Box: Log (sy(t))
Log (sy(t))
Log (t), seconds
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
1 day
1 month
-9
-10
-11
-12
-13
-14
-15
-16
Text Box: Hydrogen Maser
Hydrogen Maser
Text Box: Rubidium
Rubidium
Text Box: Quartz
Quartz
Text Box: Cesium
Cesium
Short Term Stability Ranges of Various Frequency Standards
The above graph is based on one prepared and provided by Richard Sydnor, Jet Propulsion Laboratory, 1989.