Terms: Rubidium Gravitational Potential Meters (0),
Boolean: ("rubidium clock" OR "rubidium clocks") AND (gravitational OR relativistic OR "general relativity") (106), "global positioning system" AND (gravitational OR relativistic OR "general relativity") (24100),
Terms: rubidium clock (718), rubidium clocks (438), cesium clock (11400), cesium clocks (2040), atom clocks (1120),
Terms: atomic fountain (970), atomic fountains (241), NIST-F1 (1260), Precise Time and Time Interval (835),
2005 PITI Symposium
USNO - PTTI Proceedings Index
Recent Improvements in NIST-F1 and a Resulting Accuracy of df/f = 0.61x10-15 (Apr 2005)
Cs and Rb Fountains: Recent Results (2002)
Terms: atom interferometry (8800), fine structure constant (43300), atom interferometer (2550), atom interferometers (719), gravity gradiometer (2050), quantum interference gravity (5), quantum gravity gradiometer (31), gravity mapping (684), atomic interferometry (549),
NASA - Progress towards a space-borne quantum gravity + Older Version
Steven Chu Berkeley - High-precision gravity measurements using atom interferometry + PDF
Boolean: "atom interferometry" AND (gravity OR gravimetry OR gravitational) (2680),
What the Global Positioning System Tells Us About Relativity