A Appendix A
4. Tap Connect to GPS. The fields Lat, Lon, Spd, Az and Ht will all read “?” until SatViewer connects
to the GPS and obtains a satellite fix. If you are attempting to get a satellite fix for the first time, it
may take several minutes and it is recommended to position your unit outside with no overhead
obstructions.
5. Tap Sky. Lat and Lon will change to current latitude and longitude when a satellite fix has been
completed.
Sky tab
Sky Plot Graphic
The Sky Plot is a graphical representation of where the satellites are positioned in the sky.
The top of the circle represents north, the center is straight up, and the farthest right point is east.
The outer blue circle represents the horizon and the red circle represents the elevation mask.
The light gray circles radiating out from the center are the zenith angles in ten-degree increments.
The lines bisecting the light gray circles divide the circle into thirty-degree azimuths.
The satellite icons are color coded to indicate if they are used, unused, or SBAS satellites. Each icon is
labeled with the corresponding satellite's ID number (PRN). If the checkbox Leave satellite SNR
trails is checked, the path of the satellites are also marked by a dotted line as each satellite moves
across the sky.
Status Indicators
The following four messages are displayed around the sky plot to indicate the current settings
configured on other pages:
l Corrections Disabled / SBAS Enabled: displays if Satellite Based Augmentation System
(SBAS) is enabled or disabled. When SBAS is enabled, your GPS receiver will attempt to locate,
track and use correctional data supplied from an SBAS satellite in order to improve accuracy.
Ranger Series Handheld Computer 60
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