NorthStar Navigation 978/897-6600 2201/2301 technical specifications, Performance Environmental

APPENDIX A: 958 system technical specifications

TABLE 16: 2201/2301 technical specifications

Physical features	Interfacing
Self-contained 12-channel L1 GPS/WAAS pod	Prime power:10 to 36 VDC (12V and 24V system).
antenna-receiver.	2.4 watts typical at 12V. Reverse polarity protected
Dimensions: 4.5" (114mm) diameter x 3.79" (96mm)	and load dump protected.
high.	Input messages:Auxiliary (RTCM SC104) messages
Weight: 1.2 lb. maximum excluding cable (0.55 kg).	1, 3, 9. Output messages: NMEA GGA, GSA, GSV,
Cable (normal installation): 22 Ga conductors	RMC, VTG, ZDA, GLL.
foil-shielded cable, environmentally sealed (50-foot	Serial communications: RS-232 asynchronous data
cable supplied).	port, Main port IN/OUT plus AUX input; 19,200 baud
Mounting: 1-14 UNS threads x 1" deep for mast	standard (both ports user-selectable from 300 to
mounting, and 3 x 10-32 UNF screws for deck	19,200 baud). Default baud rate = 9600.
mounting (2201-only).
Connector receptacle with 7 male contacts. Mating:
Switchcraft EN3C7FC or equivalent.

Performance	Environmental
Acceleration: 4 Gs (39.2 m/s2), Jerk: 2 m/s3	Operating temperature: -30 to +75°C (standard).
Velocity: 1852 km/h (514 m/s) max.	Storage temperature: -55 to +90°C.
Position accuracy: <3 m 2dRMS.	Humidity: SAE J1455/4.2 Procedure I/II.
Time-to-first-fix (TTFF): Hot start - 20 seconds typical,	Waterproof: Fully sealed unit. Meets MIL-STD 810E
with current almanac. Warm start - 45 seconds	method 512.3 (equivalent to 6-foot, 30-minutes
typical, with current almanac. Cold start - 2 minutes	submersion).
typical, with no almanac.	Shock: MIL-STD 810E Method 506.4, Procedure I,
	IV.
Re-acquisition time: <1 second typical to re-acquire	Vibration: MIL-STD 810E Method 514.4 Category 8.
(five-second obscuration). 3 seconds typical to	Salt spray: MIL-STD 810E Method 509.3 (48 hours).
re-acquire (60-minute obscuration).	Sand and dust: MIL-STD 810E Method 510.3.
Channel allocation: 10 GPS channels plus two WAAS	ESD: IEC 1000-4-2 level 2 (-8 kV to +8 kV).
satellites.	EMI: FCC Class B, European CE, 89/EEC EN55022
Coarse acquisition: C/A code (1.023 MHz chip rate),	class B, EN50082-1.
code and carrier phase tracking.	Ultraviolet light protection: ASTM G53-88.
Sensitivity: -135 dBm (antenna input level).

Page 44 958 Installation Manual, Rev. A1