Download K151/-K152/-K153 Avionics Standards GBAS

Avionics Standards
GBAS Configuration and Settings
Message Configuration Settings
Reference Location Configuration
The coordinates of the ground station reference point are defined in WGS84 coordinates. In this coordinate system, a location is identified by three coordinates, the altitude, the latitude and the longitude. The last two can be displayed in decimal or DMS
format. Use the parameter "Position Format" to select the display format.
Table 4-2: Reference location configuration
Parameter
Description
"Position Format"
Sets the format in which the Latitude and Longitude are displayed.
●
"DEG:MIN:SEC"
The display format is Degree:Minute:Second and Direction, i.e.
XX°XX'XX.XX" Direction, where direction can be North/South and
East/West.
●
"Decimal Degree"
The display format is decimal degree, i.e. +/-XX.XXXXX°, where "+"
indicates North and East and "-" indicates South and West.
"Altitude"
Sets the altitude of the ground station reference point, that is the height above
the ellipsoid (HAE) altitude.
"Latitude"
Sets the latitude of the ground station reference point.
"Longitude"
Sets the longitude of the ground station reference point.
Remote command:
to enter the coordinates in Degree:Minute:Second format
[:SOURce<hw>]:BB:GBAS:VDB<ch>:MCONfig:LOCation:COORdinates:DMS
on page 129
to enter the coordinates in decimal degree format
[:SOURce<hw>]:BB:GBAS:VDB<ch>:MCONfig:LOCation:COORdinates:
DECimal on page 129
4.4.2 Message Type 4 Parameters
To access this settings:
1. Select "GBAS > Main dialog > VDB Transmitters Configuration".
2. Select "VDB Transmitters Configuration > VDB# > Data > Real GBAS Data"
3. Select "Data Config > Msg. Config".
4. Select "Message Configuration > Message Type 4 > On"
5. Enable "FAS Data Set > On"
6. Enable "TAP Data Set > On"
The dialog comprises the parameters of message type 4, according to RTCA
DO-246D, Table 2.14.
According to the RTCA DO-246D, the Message Type 4 contains one or more data
sets that contain approach data, associated vertical/lateral alert limits, and/or the
Terminal Area Path (TAP). With the settings provided in this dialog, you can configure the Final Approach Segment (FAS) data set, the TAP data set or both.
Operating Manual 1176.8600.02 ─ 05
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