S3 User Guide 30 PN 875-0196-000 Rev C1
Chapter 3: Basic Operation
Viewing GPS Signal Information
The GPS signal information is located on the GPS tab (Figure 3-8) for quick reference.
Figure 3-8: GPS tab information
Table 3-1 describes the information shown on the GPS tab.
Table 3-1: GPS tab information
Tab Element Description
Signal Status A red satellite icon indicates that the S3 does not have a fix on a
DGPS signal. The orange satellite icon indicates that it is tracking
satellites. The green satellite icon indicates that the S3 is receiving
a GPS signal.
Signal Strength The vertical bars indicate the quality of the GPS signal related to
the standard deviation of the solution. 3 to 4 bars are typical with
SBAS signals. 5 bars are typical with RTK.
Signal (Correction)
Type
“No Fix” indicates that the S3 is not receiving a GPS signal. “3d”
indicates it is receiving a 3 dimensional signal. “3D” indicates it is
receiving a 3 dimensional differential signal (DGPS). “RTK”
indicates that it is receiving Real Time Kinematic corrections.
Diff Age The Diff Age number indicates the age of the corrections used in
the DGPS correction. For SBAS signals, it is typically 6 to 10
seconds. For RTK, optimal operating values are less than
5 seconds.
Signal
Status
Signal
Strength
Signal
Type
Diff
Age
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