Kongsberg Seapath 320, Technical Manual

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Seapath 320
62 Man_techn_seapath320/rev.1
Figure 43 DGNSS age view
When clicking on one of the link buttons, the DGNSS Monitor appears. This view lists
details of all available reference stations from all correction links.
5.5 Integrity view
The Integrity view indicates the position integrity of the system position according to
the IMO requirements to positioning equipment based on the RAIM exclusion and
detection algorithm implemented. The integrity indication for different position
accuracy levels is expressed in three states (Safe, Caution and Unsafe) according to the
requirements. The different states are indicated with colours (green, yellow and red) on
the vertical bar in the view.
Part of the view is also an error ellipse that describes the position quality and the
geometry of the position solution. The position accuracy level is configurable from the
setup file (the value is displayed as the outer circle on the axis). Default value is 10 m.
The system integrity value is often referred to as the horizontal external reliability. It
gives an indication of how large a horizontal position error might be, at the condition of
an arbitrary undetected satellite failure.