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Rmc – recommended minimum specific gnss data – San Jose Navigation SANAV FV-M7 User Manual

Page 23

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RMC – Recommended Minimum Specific GNSS Data

This message transmits the necessary navigation data, such as time, position,

speed, course, and so on.

$GPRMC,rmc1,rmc2,rmc3,rmc4,rmc5,rmc6,rmc7,rmc8,rmc9,r

mc10,rmc11,rmc12*hh

Parameters

Descriptions

Notes

rmc1

UTC time as position is fixed

hhmmss.sss: hh – hour; mm –

minute; ss.sss – second

rmc2

Status of position fix

A – data valid, which includes the

scenarios of 2D, 3D, and DR.

V – navigation receiver warning

rmc3

Latitude

ddmm.mmmmmm: dd – degree;

mm.mmmmmm – minute (0

o

~

90

o

)

rmc4

Latitude sector

N – North; S – South

rmc5

Longitude

dddmm.mmmmmm: ddd –

degree; mm.mmmmmm –

minute (0

o

~ 180

o

)

rmc6

Longitude sector

E- East; W- West

rmc7

Speed over ground (SOG)

x.xxx knots

rmc8

Course over ground (COG)

Referenced to true north (xx.xx

degrees)

rmc9

UTC Date

ddmmyy: dd – day; mm – month;

yy – year

rmc10

Magnetic variation

Not supported

rmc11

Direction of magnetic variation Not supported

rmc12

Navigation mode indicator

A – Autonomous mode (fix);

D – Differential mode (fix);

E – DR (fix);

N – not valid

hh

Checksum

hex number (2 – character)

End of message