Simplified gps derived frequency standard

A Simplified GPS-Derived Frequency Standard

Sep/Oct 2006 17 Figure 3 — Circuit board pattern for the GPS-derived frequency standard. Figure 4 — FLL acquisition and control cycle. and provides standard status text strings that

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A USER’S GUIDE TO THE NPL INTERNET TIME SERVICE

such as an off-air receiver for GPS or radio time signals. Servers synchronised to one or more stratum 1 servers are known as stratum 2, and so on.