Haicom HI-305III User Manual - page 17

16

Note: The checksum field starts with a '*' and consists of 2 characters representing a 

hex number. The checksum is the exclusive OR of all characters between '$' and '*'.

Field

1

2

3

4

5

6

7

8

9

10

11

12

13

Example

104549.04

2447.2038

N

12100.4990

E

1

06

01.7

00078.8

0016.3

5C

Description

UTC time in hhmmss.ss format, 

000000.00 ~ 235959.99

Latitude in ddmm.mmmm format

Leading zeros transmitted

Latitude hemisphere indicator, 

'N' = North, 'S' = South

Longitude in dddmm.mmmm format

Leading zeros transmitted

Longitude hemisphere indicator, 

'E' = East, 'W' = West

Position fix quality indicator   

0: position fix unavailable   

1: valid position fix, SPS mode    

2: valid position fix, differential GPS mode

Number of satellites in use, 00 ~ 12

Horizontal dilution of precision, 00.0 ~ 99.9

Antenna height above/below mean sea level, 

-9999.9 ~ 17999.9

Geoidal height, -999.9 ~ 9999.9

Age of DGPS data since last valid RTCM 

transmission in xxx format (seconds) 

NULL when DGPS not used

Differential reference station ID, 0000 ~ 1023

NULL when DGPS not used

Checksum