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DoD PTTI Report
Operational PTTI DisseminationDistribution
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accuracy Air Force algorithm Allan deviation Allan Variance AlliedSignal antenna applications atomic clocks average BIPM cable calibration CE-GPS cesium clocks cesium standard comparison computed coordinate correction determined difference drift earth station effects ephemeris equipment error estimate Figure Filter frequency standards GLONASS GPS common-view GPS receiver ground clock hydrogen masers improvement ionospheric ionospheric delays Kalman Filter Laboratory laser linear Master Clock measurements metafitting method Milstar monitoring nanoseconds navigation NIST noise floor offset on-board operational orbit oscillator output parameters performance phase noise picosecond precise PTTI pulse range reference relativistic remote clock requirements rubidium satellite clock signal simulation Space spacecraft spectral density stability standard uncertainty synchronization technique temperature term timekeeping timescale tracking tropospheric two-way time transfer TWSTFT U.S. Naval Observatory USNO UTC(USNO values VCXO weights Winkler