Mechanism by which the GPS solar watch sets time and date
GPS satellite
This is a satellite operated by the United States Department of
Defense
(official name is NAVSTAR), and orbits the earth at an
altitude of 20,000 km.
Initially, this was a military satellite, but at present, information
is partially disclosed to the public and used in various equipment
including car navigation systems and cellular phones.
The GPS satellite is mounted with a high-accuracy atomic clock
with an accuracy deviation of 1 second per 100,000 years.
Mechanism by which this watch sets the time and date
This watch receives GPS signals from GPS satellites to set the
time and date based on the following information.
• Precise time and date based on the atomic clock
• Time zone information for your current location
(The current location is generally measured using 4 or more
GPS satellites, to identify where among the world’s time
zones the watch is located.)
*
To receive information about a time zone where you are, it is necessary
to adjust the time zone.
→ How to adjust the time zone P. 20
* Unlike navigation equipment, this GPS solar watch is not designed to
constantly receive GPS signals from GPS satellites without any
operation.
This watch receives GPS signals only in the time zone adjustment mode,
automatic or manual time adjustment mode.
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ASTRON 3X22 GPS SOLAR
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