Position Fix Indicator

1

 

Satellites Used

07

 

HDOP

1.0

 

MSL Altitude

9.0

Meters

See Table 5-3

Range 0 to 12

Horizontal Dilution of Precision

Table 5-2GGA Data Format-continue

Name

Example

Units

 

Description

 

 

 

 

 

Units

M

Meters

 

 

Geoid Separation

 

Meters

 

 

Units

M

Meters

 

 

Age of Diff. Corr.

 

second

 

Null fields when DGPS is not used

Diff. Ref. Station ID

0000

 

 

 

Checksum

*18

 

 

 

<CR> <LF>

 

 

 

End of message termination

Table 5-3Position Fix Indicator

Value

0

1

2

3

Description

0 Fix not available or invalid

GPS SPS Mode, fix valid

Differential GPS, SPS Mode, fix valid

GPS PPS Mode, fix valid

5.3. Geographic Position with Latitude/Longitude(GLL)

Table 5-3 contains the values for the following example.

$GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C

Table 5-4GLL Data Format

Name

 

 

Example Units

 

Description

Message ID

 

 

$GPGLL

 

GLL protocol header

Latitude

3723.2475

 

 

 

ddmm.mmmm

N/S Indicator

 

 

N

 

 

 

N/S Indicator N N=north or S=south

Longitude

12158.3416

 

 

 

dddmm.mmmm

E/W Indicator

 

 

W

 

 

 

E=east or W=west

UTC Position

161229.487

 

 

 

hhmmss.sss

Status

 

 

A

 

A=data valid or V=data not valid

9

Page 9
Image 9
Altina GGM308U manual Geographic Position with Latitude/LongitudeGLL, Hdop, $GPGLL,3723.2475,N,12158.3416,W,161229.487,A*2C