calculating time by time

GPS time synchronization

Time-Time-Time Switching Network TTT

allocation of time by traffic lights

billing by time

BTBS Beat Time By Swatch

by-time

calculation by time step

clock and time synchronization

Computer reckoning by time in 2000

control mode by time

count by time sharing

discrete-time time-delay system

discrete-time time-delayed systems

geodetic GPS time and frequency transfer receiver

global time synchronization system

GPS time

GPS time checking

GPS time dissemination