IBM G- MR G-Mouse GPS Receiver G-Mouse MR User Manual

Page 13

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G-Mouse GPS Receiver User Manual

Page 12

Value

Description

3

GPS PPS Mode fix valid


A.1.2 Geographic Position - Latitude/Longitude (GLL)

Samples:
$GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C
Table 1-4 GLL Data Format

Name

Example

Units

Description

Message ID

$GPGLL

GLL protocol header

Latitude

3723.2475

dd mm.mmmm

N/S Indicator

N

N = north or S = south

Longitude

12158.3416

ddd mm.mmmm

E/W Indicator

W

E = east or W = west

UTC Position

161229.487

hh mm ss.sss

Status

A

A = data valid or V = data not valid

Checksum

*2C

A.1.3 GNSS DOP and Active Satellites (GSA)

Samples:
$GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33
Table A-5 GSA Data Format

Name

Example

Units

Description

Message ID

$GPGSA

GSA protocol header

Mode 1

A

See Table 4-6

Mode 2

3

See Table 4-7

Satellite Used *1

07

SV on Channel 1

Satellite Used *1

SV on Channel 2

… ..

… ...

Satellite Used *1

SV on Channel N

PDOP

1.8

Position Dilution of Precision

HDOP

1.0

Horizontal Dilution of Precision

VDOP

1.5

Vertical Dilution of Precision

Checksum

*33

*1 Satellite used in solution.

Table A-6 Mode 1
Value

Description

M

Manual – forced to operate in 2D or 3D mode

3

Automatic – allowed to automatically switch 2D/3D

Table A-6 Mode 2

Value

Description

1

Fix Not Available

2

2D

3

3D

A.1.4 GNSS Satellites In View (GSV)

Samples:

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