1     Fundamentals

2     Simple timing

3     Timing supported by external information about latency of data

4     Synchronising with external clock 

    4.1     Using Trimble UTC telegram

    4.2     Using NMEA ZDA telegram

    4.3     PPS Indicator

5     Assigning PPS to specific position input

6     Recommended method

7     GPS instruments

    7.1     Ashtech

    7.2     C-Nav

    7.3     Geco-Prakla

    7.4     NMEA 

    7.5     Leica

    7.6     POSMV Group

    7.7     Racal UKOOA

    7.8     Sea-diff / Skyfix

    7.9     Sercel NS230

    7.10     Topcon

    7.11     Trimble 4000

8 Dynamic positioning instruments with timestamp 

    8.1     Kongsberg HiPAP/APOS and Kongsberg Hain

    8.2     Remote GPS

    8.3     ORE BATS ($POREG)

    8.4     PHINS/ROVINS Position

    8.5     Sonardyne USBL ($PSONUSBL)

9     ATTU

10     Test of timing

    10.1     Checking calculated latency

    10.2     Testing of time synchronisation