KGC-1
Chapter
3
Operation Manual
Specifications
Chapter 3 Specifications
3.1 Functional specification
Specification is subject to change without notice.
Type
Processor unit: KGC-1
GPS antenna: GA-11
Receiving frequency
1575.42MHz
±
1MHz
Receiving channel
Parallel 9 channel
Sensitivity
Better than -130dBm
Setting time
2 minutes (at standard hot-start time)
Heading accuracy
1
o
rms
Heading resolution
0.1
o
Maximum rate of turn
Less than 25
o
/s
Maximum follow-up acceleration
Less than 1g
Maximum role/pitch angle
Less than 30
°
Base line length
0.5m
Time to Cold start
50sec (standard)
position fix Warm start
45sec (standard)
Hot start 20sec (standard)
Positioning accuracy Position
GPS:15m (2drms, SA:OFF, PDOP
≦
3)
Velocity
1m/sec (rms, SA:OF, PDOP
≦
3)
Datum
86 system (WGS-84, Tokyo etc.)
Output data port
Heading data output: 2 (50ms~1s)
Navigational data output: 2 (1s)
Output data Format
Heading data sentence
Navigation data sentence
NMEA 0183 Ver2.0/IEC61162-1
HDT, ROT, GGA, VTG
GGA, GLL, HDT, VTG, ZDA, GSA, GSV, PKODA, PKODG1,
PKODG7, RMC
Data level
RS-422
Output current
20mA
Mains supply voltage
10.8 ~ 31.2 VDC
Power consumption
8 W or the less (at 24 VDC)
3.2 Serial data
Output data
Type
：
NMEA0183 Ver. 2.0/IEC61162-1
Sentence:
HDT
Heading data
Ship’s heading (true bearing)
ROT
Heading data
Rate of Turn
GGA
Navigation data
GPS position data
GLL
Navigation data
Ground position
（
Latitude/Longitude
）
VTG Navigation
data
Ship’s bearing and ground speed
RMC Navigation data
Minimum sentence for GPS/TRANSIT navigation data
ZDA Navigation
data
Time and date
93121652-00
3-1
