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SECTION
NAV KEY
1
RAIM Prediction
Enter the time and date for RAIM prediction.
RAIM available for the entered time, date and
waypoint location.
28
The RAIM Prediction function allows you to confirm that GPS coverage is
available for your current location or at a specified waypoint any day of the year.
Receiver Autonomous Integrity Monitoring performs checks to ensure that the GPS
150XL will have adequate satellite geometry to work with during your flight. RAIM
availability will be near 100% in Oceanic, En route and Terminal phases of flight.
To predict RAIM availability:
N
O
1. Press
and rotate
C
O
2. Press
and rotate
O
3. Rotate
to highlight the field which you would like to change.
K
O
4. Use
and
to enter the waypoint name, or leave it blank to use your current
E
position. Press
to accept.
K
O
5. Use
and
to enter the ETA in hours and minutes (in local or UTC time, whichever
you have selected from the clock display), and the day, month and year. The current date
will be displayed automatically. Press
O
6. Rotate
to highlight 'Compute RAIM?'.
E
7. Press
to compute information.
When the computations are complete, the GPS 150XL will display whether or not
RAIM is available for the specified waypoint at the specified date and time. Refer to
the table on page 72 for specific RAIM protection limits as they relate to CDI scale
figures.
until NAV Menu 2 is displayed.
E
to highlight 'RAIM Prd?'. Press
.
E
to accept.
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