6 GNSS Satellite Navigation
6.1 Time Zone and Daylight Saving
GPS system time differs from the universal time scale (UTC) by the number of leap seconds which have been
inserted into the UTC time scale since GPS was initiated in 1980. The current number of leap seconds is part of
the navigation message supplied by the satellites, so the internal real time of the GPS180 is based on UTC time
scale. Conversion to local time and annual daylight saving time can be done by the receiver’s microprocessor
if the corresponding parameters are set up by the user.
microSync Date: 17th June 2020 27
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