Sbas Providers; Gps Status Annunciations - Garmin GNC 355 Pilot's Manual

SBAS Providers

NOTE
Operating with SBAS active outside of the service area may cause elevated EPU values
to display on the status page. Regardless of the EPU value displayed, the LOI
annunciation is the controlling indication for determining the integrity of the GPS
navigation solution.
SBAS supports wide area or regional augmentation through the
use of additional satellite broadcast messages.
Tap this key and select from the list of providers.
PROVIDER
EGNOS
GAGAN
MSAS
WAAS

GPS Status Annunciations

Once the GPS receiver determines the aircraft's position, the unit displays position,
altitude, track, and ground speed data. GPS status annunciates under the following
conditions.
ANNUNCIATION
Acquiring
3D Nav
3D Diff Nav
LOI
190-02488-01 Rev. B
SERVICE AREAS
Most of Europe and parts of North Africa.
India
Japan only.
Alaska, Canada, the 48 contiguous states,
and most of Central America.
GPS receiver uses last known position and satellite orbital
data (collected continuously from satellites) to determine
which satellites should be in view.
3-D navigation mode. GPS receiver computes altitude
using satellite data.
3-D navigation mode. Differential corrections from SBAS
provider are in use.
Satellite coverage is insufficient to pass built-in integrity
monitoring tests.
Pilot's Guide
CONDITION
Get Started
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