ComNav G1 GNSS Satellite Compass

The ComNav G1 GNSS Satellite Compass provides true heading measurement with an accuracy of 0.5° RMS. The system uses differential GPS to measure heading and therefore is not subject to magnetic variation or deviation. Heading data is transmitted to an indicator or autopilot via a standard NMEA0183 or NMEA2000 data output.

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FEATURES

Supports both GPS and GLONASS satellites for complete redundancy
Heading accuracy < 0.5° rms
Position accuracy < 1.0m 95% confidence (DGPS)
An integrated 9 Axis Inertial Measurement Core (IMC technology) provides enhanced roll, tilt and heading stability even during momentary loss of satellite signals
G3 color display system (optional)
Engineered enhancements to exceed sealed IP67 rating
Extended 2 year warranty
NMEA 0183 and NMEA 2000® interface
Heave, Pitch, Roll and Rate of Turn as standard output
Heading updates 1 to 20 Hz
BAUD Rate selectable: 4800, 9600, 19200, 38400,115200
Fully compatible with on board NMEA 0183 and NMEA 2000® RADAR, ECDIS, AIS, Cameras, SONAR, PC and Autopilots
Compact integrated surface mounting and pole mount
Pre-programmed default settings for Heading, Rate of Turn, Course over Ground, Lat/Long position, Time & Date
15 meter serial cable standard (30 meter optional)
6 meter NMEA 2000® Cable (Optional)
CE certified for EMI and RFI immunity
Worldwide service

SPECIFICATIONS:
Receiver Type:	L1, C/A code, with carrier phase smoothing
Channels:	Two x 32 parallel tracking GPS, GLONASS, SBAS Update Rate: Standard 10Hz, Selectable up to 20 Hz (position and heading)
Horizontal Accuracy:	< 0.5m 95% confidence (DGPS)* < 2.5m 95% confidence (autonomous, no SA)**
Heading Accuracy:	< 0.5° rms
Pitch / Roll Accuracy:	< 1° rms
Heave Accuracy:	< 30 cm rms
Rate of Turn:	90º / sec max
Start-up Time:	< 60 sec typical
Heading Fix:	< 10 sec
Satellite Reacquisition:	< 1 sec

COMMUNICATIONS
Serial Ports:	1 full duplex R2-232 and 1 full duplex RS-422
Baud Rates:	Selectable4800 – 115200
Correction I/O Protocol:	RTCM SC-104
Data I/O Protocol:	NMEA 0183, NMEA 2000®, CAN
NMEA Heading Messages:	$GPHDT, $HEHDT, $HEHDM, $GPROT,$GHEROT, $GPGGA, $GPGSV, $GPVTG, $GPRMC, $GPZDA, $PASHR

ENVIRONMENTAL
Operating Temperature:	-32ºC to +74ºC (-25ºF to + 165ºF)
Storage Temperature:	-40ºC to +85ºC (-40ºF to + 185ºF)
Humidity:	0 – 95% non-condensing
EMC:	FCC Part 1.5, Subpart B, Class B, CISPR22, CE

POWER
Input Voltage:	10 to 36 VDC
Power Consumption:	~ 2.8 W nominal
Current Consumption:	~ 240 mA @ 12 VDC
Isolation:	Power supply isolated from serial ports
Reverse Polarity Protect:	Yes

AIDING DEVICES
Gyro:	Provides reliable < 1º Heading for up to 3minutes when loss of GPS has occurred
Tilt Sensor:	Assists in fast start up of heading solutions

	* Depends on multipath environment, number of satellites in view, satellite geometry, baseline length (for local services), and Ionospheric activity.
	** Depends on multipath environment, number of satellites in view, and satellite geometry

OMC-140 Display Option

Product

Ref

Price

Product Description

11220005

£1,683.37

ComNav G1 GNSS Satellite Compass with 15m cable. Output: NMEA0183. Update rate: Heading & position updates at up to 20 times per second, and can operate at sustained turn rates up to 45° per second. Power Supply 10 to 36vDC (240mA @ 12vDC). The G1 contains a ComNav receiver module (containing two GNSS receivers, a 3-axis gyro, a 3-axis accelerometer and a 3-axis magnetometer), dual GNSS antennas and a power supply. Dimensions: 435.8 x 70.1 x 174.4mm, Weight 1.1Kg. CE certified for EMI and RFI immunity, Worldwide service.

11220009

£1,759.35

ComNav G1 GNSS Satellite Compass with 30m cable. Output: NMEA0183. Update rate: Heading & position updates at up to 20 times per second, and can operate at sustained turn rates up to 45° per second. Power Supply 10 to 36vDC (240mA @ 12vDC). The G1 contains a ComNav receiver module (containing two GNSS receivers, a 3-axis gyro, a 3-axis accelerometer and a 3-axis magnetometer), dual GNSS antennas and a power supply. Dimensions: 435.8 x 70.1 x 174.4mm, Weight 1.1Kg. CE certified for EMI and RFI immunity, Worldwide service.

11220008

£1,684.22

ComNav G1 GNSS Satellite Compass with 6m cable. Output: NMEA2000. Update rate: Heading & position updates at up to 20 times per second, and can operate at sustained turn rates up to 45° per second. Power Supply 10 to 36vDC (240mA @ 12vDC). The G1 contains a ComNav receiver module (containing two GNSS receivers, a 3-axis gyro, a 3-axis accelerometer and a 3-axis magnetometer), dual GNSS antennas and a power supply. Dimensions: 435.8 x 70.1 x 174.4mm, Weight 1.1Kg. CE certified for EMI and RFI immunity, Worldwide service.

10130007

£2,237.18

ComNav G1 GNSS Satellite Compass with G3 Colour Display. Output: NMEA2000. Update rate: Heading & position updates at up to 20 times per second, and can operate at sustained turn rates up to 45° per second. Power Supply 10 to 36vDC (240mA @ 12vDC). The G1 contains a ComNav receiver module (containing two GNSS receivers, a 3-axis gyro, a 3-axis accelerometer and a 3-axis magnetometer), dual GNSS antennas and a power supply. Dimensions: 435.8 x 70.1 x 174.4mm, Weight 1.1Kg. CE certified for EMI and RFI immunity, Worldwide service.

31220007

£40.52

G1 Pole Mounting Plate (must order 31220012 Kit when ordering separately)

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