Appendix A - Technical Specifications; Table 10: 961/962 Technical Specifications - NorthStar 961 Install Manual

APPENDIX A - Technical Specifications

Power source
Power consumption
Fuse
Operating power
Type
Sensitivity
Navigation accuracy
Navigation update rate
Time-To-First-Fix (TTFF)
Dynamics
Operating modes
SC-104
IR link on control heads
Three bi-directional NMEA I/O ports, one bi-directional RS-232/RS-422 port
Two fully functional control-head ports
Connects to Northstar 490 Echo Sounder
200 PPNM speed output
VGA output
External MOB input, external alarm output, external SAVE input
Operating software upload (software updates)
NMEA output sentences: APB, BOD, BWC, DBT, DPT, GGA, GLC, GLL, GSA, GSV, HSC, MSS, MSW,
RMA, RMB, RMC, WCV, WPL, XTE, VTG, ZDA, ZTG. (Conforms to NMEA v 2.0 and later. Supports 1.5
GLL, BWC, RNN)
NMEA input sentences: TLL
PHYSICAL FEATURES
961/962 INSTALLATION MANUAL Revision A
For information and specifications on the Northstar 490 Echo Sounder,
see the Northstar 490 Echo Sounder Installation Manual (part number
GM491).

Table 10: 961/962 technical specifications

POWER
GPS RECEIVER
INTERFACING
APPENDIX A - Technical Specifications
10-40 VDC
80-110W @ 24V
Standard supplied fuse: 3 amps
100 watts nominal (single head)
12-parallel-channel, continuous tracking. L1
Frequency, C/A code (SPS)
C/N > 34dB-Hz
0
3m 2DRMS with Differential; 20m 2DRMS without
1 per second
30 seconds (typical)
Velocity: 1800 km/h
Acceleration: 4g
Jerk: 2 m/sec³
2D nav, 3 or more satellites; 3D nav, 4 or more
satellites visible
Processes all USCG SC-104 message types,
including 1 and 9
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