GPS-RECEIVER JP7-T
VERSION 1.02
7.2.1 NMEA output messages
Table 9 lists all NMEA output messages supported by SiRFstarIIe
evaluation receiver and a brief description.
Option
Description
GGA
Time, position and fix type data.
GLL
Latitude, longitude, UTC time of position fix and status.
GSA
GPS receiver operating mode, satellites used in the position solution and
DOP values.
GSV
The number of GPS satellites in view satellite ID numbers, elevation,
azimuth and SNR values.
MSS
(This message can be switched on via SiRFdemo software) Signal-to-noise
ratio, signal strength, frequency and bit rate from a radio-beacon receiver.
RMC
Time, date, position, course and speed data.
VTG
Course and speed information relative to the ground.
Table 9:
NMEA Output Messages
7.2.2
NMEA input messages
Message
MID
1
Description
Set Serial Port
100
Set PORT A parameters and protocol
Navigation Initialization
101
Parameters required for start using X/Y/Z
2
Set DGPS Port
102
Set PORT B parameters for DGPS input
Query/Rate Control
103
Query standard NMEA message and/or set
output rate
LLA Navigation Initialization
104
Parameters required for start using
Lat/Lon/Alt
3
Development Data On/Off
105
Development Data messages On/Off
MSK Receiver Interface
MSK
Command message to a MSK radio-beacon
receiver.
Table 10:
NMEA Input Messages
1. Message Identification (MID).
2. Input co-ordinates must be WGS84.
3. Input co-ordinates must be WGS84.
This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission.
Page 37
