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correction information.
Differential GPS Fix
Differential GPS corrects various inaccuracies in
the GPS system to yield measurements accurate
to a few of meters when the mobile is moving
and even better when stationary.
Estimated / Last
Known Position
Satellite reception has degraded to the point
where only an Estimated position or the Last
Known Position can be reported.
Number of Satellites
Indicates the number of satellite signals being received and used to calculate position.
UTC
The current time according to Universal Coordinated Time in hh:mm:ss, using a 24-hour clock format.
Position
The current position in Latitude (North-South) and Longitude (East-West). Positions are reported in degrees and
decimal minutes. For example, a Longitude of 73 degrees, 39 minutes and 45 seconds West appears as: 73deg
39.75000min W.
Altitude
The current height above Mean Sea Level in meters
True Course
Shows the current GPS-generated true course in degrees.
Ground Speed
Shows travel speed (in Km/h).
The GPS LED on the front panel also provides a status of the receiver:
GPS LED
MEANING
Amber
Position lost, reporting Last Known Position
Green
Valid positions being reported
Red
Fault
Flashing Amber
Acquiring Satellites
