Basic gps operation 3-64 – BendixKing KLN 89B - Pilots Guide User Manual
Basic GPS Operation
Basic GPS Operation
The specific GPS satellites or “space vehicles” (SV) being
received are displayed in the left column. Each satellite has its
own identification number. A * symbol to the right of the satellite
number indicates this particular satellite is not presently being
tracked by the receiver.
NOTE: At some times, you may desire to deselect certain satellites if
you know them to be inaccurate, so that they are not used to deter-
mine the GPS position. Should a satellite be inaccurate, it could
cause a RAIM failure, rendering the system unusable for primary IFR
navigation. To deselect a specific satellite, turn on the cursor (
and move it over the desired SV number (figure 3-187). Turn the right
inner knob to deselect (or reselect) the desired satellite.
The satellite’s “health” (Hlt) is indicated to the right of the satellite
number. The health of the satellite can be described as Gd for
Good, Wk for Weak, and Bd for Bad. Ds indicates the satellite
was deselected by the pilot. Fd indicates the receiver detected a
fault and excluded that satellite.
The signal strength (Sg) for each satellite is displayed next and
indicates the signal strength for each satellite in the range of 0
(zero) to 9 (nine). The higher the value the stronger the signal.
The elevation (El) above the hori-
zon for each satellite is provided
in the right column and will range
from 5° to 90°.
The local azimuth (Az) of the
satellite relative to your present
position, referenced to true north (rather than magnetic north).
For example, in figure 3-187 satellite (SV) number 25 has an
azimuth of 198° and is therefore south-southwest of you.
NOTE: The OTH 3 page predicts if and when RAIM (Receiver
Autonomous Integrity Monitoring) capability will be available when
you are ready to shoot a non-precision approach at your destination
airport. See section 5.1.9 for more information on using OTH 3 page.
3.14.2. VIEWING AND DELETING USER WAYPOINTS AND
The OTH 4 and OTH 5 pages list the user-defined waypoints and
waypoint remarks, respectively, which are currently stored in the KLN
APT VOR NDB INT USR ACT NAV FPL CAL SET OTH
åå.ånm|SV Hlt Sg El Az
ееееее|25* Wk 2 50 198