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Deluo TRISTAR25 User Manual

Page 17

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17

4.1.6 RMC – Recommended Minimum Specific GNSS Data


Purpose

Output time, date, position, course and speed data.

Format

$GPRMC,hhmmss.sss,x,ddmm.mmmm,a,dddmm.mmmm,a,xxx.x,xxx.x,ddmmyy,xxx.x,a*CS


Example
$GPRMC,083604.883,A,2446.5254,N,12100.1399,E,000.0,000.0,300502,003.3,W*76

Output Rate

Programmable using EverMore Binary Message 0x8E and 0x8F.

Field

Name Example

Unit Description

1

Message ID

$GPRMC

RMC protocol header

2 UTC

time

083604.883 hhmmss.sss

hour, minute, sec & decimal sec

000000.000 ~ 235959.999

Leading zeros transmitted

3 Status

A

x

A=Data valid

V=Navigation receiver warning

4 Latitude

2446.5254 ddmm.mmmm

degree, minute & decimal minute

Leading zeros transmitted

5

N/S hemisphere indicator

N

a

N=north or S=south

6 Longitude

12100.1399 dddmm.mmmm

degree, minute & decimal minute

Leading zeros transmitted

7

E/W hemisphere indicator

E

a

E=east or W=west

8

Speed Over Ground

000.0

knot xxx.x

Leading zeros transmitted

9

Course Over Ground

000.0

degree xxx.x

Leading zeros transmitted

10 Date

300502

ddmmyy

day, month, year (2 digit)

Leading zeros transmitted

11 Magnetic variation

003.3

degree 00.0 to 359.9 degrees

Leading zeros transmitted

12 Magnetic

variation

reference

W

a

E=east or W=west

Westerly variation adds to true

course

13 Checksum

*76