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NMEA Manual based on MediaTek chipset - Manual

For IT530M/UC530M module: message start as “$GNRMC” will be output in default mode including both

GPS and GLONASS constellation satellite data, or in GLONASS only mode.

Example:

$GPRMC,114353.000,A,6016.3245,N,02458.3270,E,0.01,0.00,121009,,,A*69

Example IT530M/UC530M hybrid mode:

$GNRMC,105440.000,A,6012.5669,N,02449.6536,E,0.00,0.00,061112,,,D*70

Format:

$GPRMC,hhmmss.dd,S,xxmm.dddd,<N|S>,yyymm.dddd,<E|W>,s.s,h.h,ddmmyy,d.d, <E|W>,M*hh<CR><LF>

Type Description

hhmmss.dd

UTC time of the fix.

hh=hours; mm=minutes; ss=seconds; dd=decimal part of seconds

Status indicator.

A=valid; V=invalid

xxmm.dddd

Latitude coordinate.

xx=degrees; mm=minutes; dddd=decimal part of minutes

<N|S> Character denoting either N=North or S=South.

yyymm.dddd

Longitude coordinate.

yyy=degrees; mm=minutes; dddd=decimal part of minutes

<E|W> Character denoting either E=East or W=West.

s.s

Speed in knots.

h.h

Heading

ddmmyy

UTC Date of the fix.

dd=day of month; mm=month; yy=year

d.d Magnetic variation in degrees, not supported

<E|W>

Letter denoting direction of magnetic variation. Either E=East or W=West. Not supported

Mode indicator

A=autonomous; N=data not valid

1.6 GSV - Satellites in view

Number of satellites in view, satellite ID (PRN) numbers, elevation, azimuth and SNR value. The information for

four satellites is a maximum per one message, additional messages up to maximum of eight are sent if needed.

The satellites are in PRN number order.

For IT530M/UC530M hybrid module, message starting with “$GPGSV” will be output with GPS

constellation satellite data, message starting with “$GLGSV” will be output with GLONASS constellation

satellite data.

Example:

$GPGSV,3,1,11,29,68,228,47,30,59,151,47,31,44,284,45,02,38,062,44*7C

$GPGSV,3,2,11,12,28,130,41,10,14,102,35,05,12,110,35,04,11,040,34*70

$GPGSV,3,3,11,21,05,196,29,16,05,297,28,13,02,021,30*4E

Example IT530M/UC530M hybrid mode:

$GPGSV,3,1,11,29,68,228,47,30,59,151,47,31,44,284,45,02,38,062,44*7C

$GLGSV,3,1,09,67,74,147,46,77,65,160,49,68,46,306,48,76,45,047,50*66

$GPGSV,3,3,11,21,05,196,29,16,05,297,28,13,02,021,30*4E

Format:

$GPGSV,n,m,ss,xx,ee,aaa,cn,…………. ,xx,ee,aaa,cn*hh<CR><LF>

Type Description

Total number of messages, 1 to 9

Message number, 1 to 9

Total number of satellites in view

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Cayman Systems 2E-H-W Manual de usuario Pagina 7

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