RoyalTek REV-2000 User Manual download pdf (Page 18)

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 2-3 Position Fix Indicators

Value Description

0 Fix not available or invalid

1 GPS SPS Mode, fix valid

2 Differential GPS, SPS Mode, fix valid

3-5 Not Supported GPS PPS Mode, fix valid

6 Dead Reckoning Mode, fix valid

2.1.2 GLL-Geographic Position –Latitude/Longitude

Table 2-4 contains the values of the following

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

Table 2-4 GLL Data Format

Name Example

Units

Description

Message ID $GPGLL GLL protocol header

Latitude 3723.2475

ddmm.mmmm

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.ss

Status A A=data valid or V=data not valid

Mode A A=Autonomous, D=DGPS, E=DR

Checksum *2C

＜CR＞＜LF＞

End of message termination

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RoyalTek REV-2000 User Manual Page 18