DS-41SMD-2 June ’06

©2006 RF Solutions Ltd, www.rfsolutions.co.uk

Page 9

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Embedded GPS Module

GPS-41SMDR

GPS-41SMDF

GLL - LATITUDE AND LONGITUDE, WITH TIME OF POSITION FIX AND STATUS

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

Format:

$GPGLL,<1>,<2>,<3>,<4>,<5>,<6>,<7>*<8><CR><LF>

Example:

$GPGLL,2447.2073,N,12100.5022,E,104548.04,A,A*65<CR><LF>

Field

Example

Description

1

2447.2073 Latitude in ddmm.mmmm format

Leading zeros transmitted

2

N

Latitude hemisphere indicator, ‘N’ = North, ‘S’ = South

3

12100.5022 Longitude in dddmm.mmmm format

Leading zeros transmitted

4

E

Longitude hemisphere indicator, 'E' = East, 'W' = West

5

104548.04 UTC time in hhmmss.ss format, 000000.00 ~ 235959.99

6

A

Status, ‘A’ = valid position, ‘V’ = navigation receiver warning

7

A

Mode indicator

‘N’ = Data invalid

‘A’ = Autonomous

‘D’ = Differential

‘E’ = Estimated

8

65

Checksum

GSA - GPS DOP AND ACTIVE SATELLITES

GPS receiver operating mode, satellites used for navigation, and DOP values.

Format:

$GPGSA,<1>,<2>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<3>,<4>,<5>,<6>*<7><CR><LF>

Example:

$GPGSA,A,3,26,21,,,09,17,,,,,,,10.8,02.1,10.6*07<CR><LF>

Field

Example

Description

1

A

Mode, ‘M’ = Manual, ‘A’ = Automatic

2

3

Fix type, 1 = not available, 2 = 2D fix, 3 = 3D fix

3

26,21,,,09,17,,,,,, PRN number, 01 to 32, of satellite used in solution, up to 12 transmitted

4

10.8

Position dilution of precision, 00.0 to 99.9

5

02.1

Horizontal dilution of precision, 00.0 to 99.9

6

10.6

Vertical dilution of precision, 00.0 to 99.9

7

07

Checksum