Juniper Systems LandMark CE User Manual
Page 26
26 LandMark CE User’s Manual
Note: The EHE reading appears in either feet or meters depending on
the measurement preferences that are set in the Confi guration screen.
Elev
Elev (elevation) is the altitude where you are geographically
positioned. For display options, go to the Altitude Reference section
later in this chapter.
GPS Status Quality — Receiving Data
GPS status quality is shown to the right of Elev reading and consists
of the following mode indicators when receiving any data:
Mode
Meaning
3D Diff
Fix from 4 or more satellites; receiving real-time
corrections from WAAS, beacon, etc.
2D Diff
Fix from 3 satellites; receiving real-time corrections from
WAAS, beacon, etc.
3D
GPS fi x from 4 or more satellites; including elevation.
2D
GPS fi x from 3 satellites; no elevation.
3D PPS
Precise Positioning Service; need capability to read PPS
code; Excellent signal.
2D PPS
Precise Positioning Service; need capability to read PPS
code; Excellent signal.
3D RTK Real-Time Kinematic; measure lat/long/height above
WGS-84 datum to within a few centimeters.
2D RTK Real-Time Kinematic; measure lat/long/height above
WGS-84 datum to within a few centimeters.
Note: Depending on the quality of receiver and the receiver capabilities,
different messages are displayed.
Using 3D Diff or 2D Diff Mode
The 3D Diff or 2D Diff mode is only displayed when the receiver is
receiving real-time differential corrections from WAAS, beacon, base
station, Omnistar, etc.
Using 3D or 2D Mode
The 3D or 2D mode is the standard for most receivers.
Using 3D PPS or 2D PPS Mode
The 3D PPS or 2D PPS mode is only displayed when the receiver
being used is capable of reading PPS code from three or more
satellites.
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