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Viper/Viper 4+ Installation & Operation Manual
4. Touch the GPS Information tab.
Model.
Displays the GPS receiver model (e.g. Raven Phoenix 200, 600S, or Phoenix 300) or the current active
model for the integrated receiver.
Serial Number.
The receiver serial number will be displayed in this area. This information may not be available for
all receivers.
Firmware Version.
The current firmware version installed on the receiver. This information may not be available
for all receivers.
Latitude/Longitude.
The current geographic coordinates of the ROS device.
Elevation.
The current GPS elevation above sea level.
Satellites.
Displays the number of satellites currently used in the position solution.
Differential ID.
Depending upon the correction source used, this value will display the differential source
identification such as the differential satellite PRN, a base station ID, etc.
Differential Age.
This value is the age of the last differential update. The differential age should not rise above a
few seconds to ensure accurate position corrections during field operations.
HDOP.
Horizontal Dilution of Precision (HDOP) is a value used to indicate the geometry of the satellite
constellation used in the position solution. High HDOP values indicate that the visible satellite constellation is
grouped close together which can negatively impact the accuracy of position and guidance systems.
GGA Quality.
Displays the current differential fix status. This value will display:
•
‘0’ or ‘1’ if no differential corrections are being received (single solution). It will display 0 if no GPS fix
at all and one if there is a fix but no correction.
•
‘2’ when the DGPS receiver has locked on to a differential source (SBAS, or convergence on GS/
OmniSTAR).
•
‘4’ for RTK fixed mode for fine GPS course correction mode.
•
‘5’ for fixed GS or OmniSTAR XP/HP correction modes or RTK float mode.
UTC Time and Date.
Universal coordinated time and date information is displayed in these fields.
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