L3 Technologies AISA1 Manuale Utente

Marine Systems

Aviation Recorders

Initial Issue

Dec. 01/06

165M0014-10
Page 1–19

1.4.7.

Sensor Input Data and Formats

The L-3 ProTec Shipborne Class A Transponder supports input data sentences from
various ship sensors, refer to Table 1–7.

Table 1–7. Sensor Input Data and Formats

Sensor

Data

IEC 61162-1 Sentences

GNSS

Positions system:
- Time of position
- Latitude /Longitude
- Accuracy (and integrity status)
Course Over Ground (COG)
Speed Over Ground (SOG)
RAIM Indicator

DTM, GBS, GGA, GLL, GNS, GRS, GSA,

GST, GSV, HDT, RMC, ROT, VBW, VTG,

ZDA

Log

Course Over Ground (COG)
Speed Over Ground (SOG)

VBW

Gyro

Heading
Rate of Turn (ROT)

HDT, ROT

1.5.

Data Field Assignments

1.5.1.

GPS and Sensor Input Sentences

1.5.1.1

DTM - Datum Reference

If Local and Reverence Datum codes are not WGS84, then the positions report from
that sensor is discarded.

Field

Notes

Local Datum Code

Check for WGS84

Local Datum Subdivision Code

Ignored

Lat Offset (2 fields)

Ignored

Long Offset (2 fields)

Ignored

Altitude Offset

Ignored

Reference Datum Code

Check for WGS84