Chapter 3 Detail of the serial output data KGC-222
3-2
0093822202-01
HDM
Ship’s heading (Magnetic bearing)
$ GPHDM, xxx.x, M *hh <CR><LF>
ROT
Rate of turn
$ GPROT, 0/-xxx.x, a *hh <CR><LF>
GGA
GPS position data
$ GP GGA, hhmmss, xxxx.xxx, N/S, xxxxx.xxx, E/W, x, xx,
xxx, 0/-xxxx, M, 0/-xxx, M, xxx, xxxx *hh <CR><LF>
GLL
Ground position (Latitude/Longitude)
$ GP GLL, xxxx.xxx, N/S, xxxxx.xxx, E/W,hhmmss , a *hh <CR><LF>
GSA
Satellite in use and DOP
$ GP GSA, M/A, x, xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx, x.x, x.x, x.x *hh <CR><LF>
Checksum
Ship’s Heading
Checksum
(-Neg)/ Angular
speed, deg/min
Status
A: Valid
V: Void
Time of measurement
(Hour, Min,Sec)
Latitude
Longitude
N
：
North latitude
S
：
South latitude
E: East longitude:
W: West longitude
Status of GPS fix
measurement
0: Fix unable
1: GPS fix
2: DGPS fix
Number of satellite in use
Checksum
HDOP
value
Antenna
height
-: Negative
Meter
-: Negative
Meter
Gioid height
DGPS data correction time elapsed
DGPS reference station ID
E: East longitude
W: West longitude
Longitude
Fix measurement time elapsed
(Hour, Min, Sec)
Status
A: Valid
V: Void
Latitude
N: North latitude
S: South latitude
Checksum
M: Manual
A: Auto
GPS DOP
1: Fix unable
2: 2 dimensions
3: 3 dimensions
Satellite number in use
Checksum
PDOP value
HDOP value
VDOP value