RoyalTek RFG-2000 User Manual download pdf (Page 19)

Software Data

NMEA 0183 V3.0 Protocol

It is the RS-232 interface：4800 bps, 8 bit data, 1 stop bit and no parity.

NMEA Output Messages

The RFG-2000 outputs the following messages as shown in Table 1：

TABLE 1 NMEA OUTPUT MESSAGES

NMEA Record Description

GGA Global positioning system fixed data

GLL Geographic position – Latitude/Longitude

GSA GNSS DOP and active satellites

GSV GNSS satellites in view

RMC Recommended minimum specific GNSS data

VTG Course over ground and ground speed

GGA－Global Positioning System Fixed Data

Time, position and fix related data for a GPS receiver.

$GPGGA,hhmmss.dd,xxmm.dddd,<N|S>,yyymm.dddd,<E|W>,v,ss,d.d,h.h ,M,g.g,M,a.a,xxxx*

hh<CR><LF>

Example:

$GPGGA,111200.02,6016.3092,N,02458.3841,E,1,09,0.8,30.6,M,18.1,M,,*5D

Name Example Units Description

Message ID $GPGGA

GGA protocol header

UTC Time 111200.02

hhmmss.dd

hh = hours

mm = minutes

ss = seconds

dd = decimal parts of seconds

Latitude 6016.3092

xxmm.dddd

xx = degrees

mm = minutes

dd = decimal parts of minutes

<N|S> Indicator N

N=north or S=south

Longitude 02458.3841

yyymm.dddd

yyy = degrees

mm = minutes

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 25 26 27

No comments

RoyalTek RFG-2000 User Manual Page 19