Multitech MTCMR-E1 Bedienungsanleitung PDF herunterladen (Seite 104)

Chapter 16 – GPS Device AT Commands

104 Universal IP AT Commands Reference Guide

GLL – Latitude/Longitude

Latitude and longitude of current position, time, and status.

Structure: $GPGLL,ddmm.mmmm,a,dddmm.mmmm,a,hhmmss.sss,A,a*hh<CR><LF>

Example: $GPGLL,2447.0944,N,12100.5213,E,112609.932,A,A*57<CR><LF>

Name

Example

Description

Message ID

$GPGLL

GLL Protocol Header

Latitude

2447.0949

Latitude in ddmm.mmmm format

N/S Indicator

Latitude hemisphere indicator

‘N’ = North

‘S’ = South

Longitude

12100.5213

Longitude in dddmm.mmmm format

E/W Indicator

Longitude hemisphere indicator

'E' = East

'W' = West

UTC Time

112609.932

UTC Time in hhmmss.sss format

(000000.000 ~ 235959.999)

Status

Status, ‘A’ = Data valid; ‘V’ = Data not valid

Mode Indicator

Mode indicator

‘N’ = Data not valid

‘A’ = Autonomous mode

‘D’ = Differential mode

‘E’ = Estimated (dead reckoning) mode

‘M’ = Manual input mode

‘S’ = Simulator mode

Checksum

*57

End of message (termination)

GSA – GNSS DOP and Active Satellites

GPS receiver operating mode, satellites used in the navigation solution reported by the GGA or GNS sentence

and DOP values.

Structure: $GPGSA,A,x,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,x.x,x.x,x.x*hh<CR><LF>

Example: $GPGSA,A,3,05,12,21,22,30,09,18,06,14,01,31,,1.2,0.8,0.9*36<CR><LF>

Name

Example

Description

Message ID

$GPGSA

GSA Protocol Header

Mode

‘M’ = Manual, forced to operate in 2D or 3D mode

‘A’ = Automatic, allowed to automatically switch 2D/3D

Mode

Fix type

1 = Fix not available

2 = 2D

3 = 3D

Satellite used 1~12

05,12,21,22,

30,09,18,06,

14,01,31,,

Satellite ID number, 01 to 32 of satellite used in solution, up to 12 transmitted

PDOP

1.2

Position dilution of precision (00.0 to 99.9)

HDOP

0.8

Horizontal dilution of precision (00.0 to 99.9)

VDOP

0.9

Vertical dilution of precision (00.0 to 99.9)

Checksum

*36

End of message (termination)

1 2 ... 99 100 101 102 103 104 105 106 107 108 109 ... 118 119

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