Basic GPS Operation
3-64
Basic GPS Operation
Chapter 3
• 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
used in the navigation position solution.
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 (
B
)
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. This health information is transmitted by the satellites.
• 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 horizon 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
for more information on using OTH 3 page.
3.14.2. VIEWING AND DELETING USER WAYPOINTS AND
WAYPOINT REMARKS
The OTH 4 and OTH 5 pages list the user-defined waypoints and
waypoint remarks, respectively, which are currently stored in the KLN
89(B)’s memory.
APT VOR NDB INT USR ACT NAV FPL CAL SET OTH
åå.ånm|SV Hlt Sg El Az
åå.ånm|SV Hlt Sg El Az
åååååå|
åååååå|
25
25
* Wk 2 50 198
* Wk 2 50 198
Leg|
Leg|
*CRSR*|
*CRSR*|
Figure 3-187
Summary of Contents for Bendix/King KLN 89
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