GNS 601 Manual page 11

GNS 601 StarterKit
Description of "Skyplot" controls:
Control
Satellite display
Navigation data
Dilution of Precision (DOP)
Receiver start-up modes
Satellite position
Number of counts
Action toolbar
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Comment
This control shows all satellites that are currently in view. The numbers
on top of the bars show the C/N (code-to-noise) ratio. The color of the
bar is dark blue, if the SV is used for the navigation solution. It is light
blue if the SV can be received but is not used for navigation solution.
If a navigation solution ("fix") is available, this group shows the position
data. The current time (UTC) and date is shown as soon as available.
The DOP value describes the mitigation of precision. A high value
indicates a higher imprecision.
The DOP value can be subclassified to:
VDOP (Vertical DOP): Asserted satellite geometry referring on height
(1-D).
HDOP (Horizontal DOP): Asserted satellite geometry referring on a 2-D
plane.
PDOP (Positional DOP): Asserted satellite geometry referring on a 3-D
space.
Factory Reset: GPS receiver starts up without Time-, Position-,
Ephemeris- and Almanac-Data and cleared system- and user
configurations. The receiver is set to factory status.
Cold Start: GPS receiver starts up without Time-, Position-, Ephemeris-
and Almanac-Data.
Warm Start: GPS receiver starts up with inaccurate Time- and Position-
Data, valid Almanac Data but without Ephemeris Data.
Hot start: GPS starts up with Time-, Position-, Ephemeris- and Almanac-
Data.
Display to show satellite positions in the sky.
Here the number of sweeps can be selected, which will be passed
performing the preferred start-up mode tests.
Start: Execute the preferred start-up mode test.
Stop: Stop the preferred start-up mode test.
Clear: Erase start-up mode documentation table.
Exel: Saves Start-up mode documentation table as an Exel-file.
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© GNS-GmbH 2013
V 0.10, Mar. 8th 2013
manual
11