HSCG44-16-Q-001043_-_Attachment_(3)_-__Statement_of_Work__Encl_(1)_technical_specifications.pdf

ENCLOSURE 1

Technical Specifications for DGPS Navigation Receiver

The following Key Performance Parameters (KPPs) represents the minimum qualifications required for a

Differential Global Positioning System Receiver (DGPS). These requirements are based on the established Coast Guard Operational Requirements Document and derived technical parameters(DR) to comply with installation constraints.

The following Operational Requirements Document (ORD) requirements represent the threshold value or requirement (indicated by (T) and objective value (indicated by (O). Threshold values represent the minimum acceptable performance or capability required by this specification.

ORD REF OPERATIONAL REQUIREMENT DOCUMENT REQUIREMENTS

1.1 The GPS position sensor shall conform to IEC 61108-1 (T)

Subject: Global Navigation Satellite Systems (GNSS)

1.2 The GPS position sensor shall conform to IEC 60945 (T)

Subject: Maritime Navigation and Radiocommunication Equipment and Systems (includes standards for temperature, shock, vibration and corrosion)

REF KEY PERFORMANCE PARAMENT REQUIREMENTS

DR43 GPS receiver shall be no larger than 10” depth by 6” width by 4” high (KPP)

Note: Overall physical dimensions are constrained by space currently available on the specific platform, cutter or boat.

DR1 A GPS single receiver not including mounting hardware weight shall not exceed 5 lbs.

(KPP)

ORD 3.3

ORD 1.2

The antennas and hardware shall meet or exceed IEC 60945 concerning environmental conditions. (KPP)

DR2 The receiver shall be capable of interfacing to existing Coast Guard electronic charting, plotting and navigation applications. (KPP) The interface will be via an RS232/422/485 connection as well as UDP multicast, UDP unicast, TCP/IP server, TCP/IP client, and a minimum of 2 serial ports(O).

DR3 The receiver shall be capable of providing heading even when stationary (KPP)

DR4 The receiver shall be equipped with an internal MSK beacon receiver and shall operate on a frequency range of 283.5—325.0 kHz with a 500 Hz channel spacing / steps. (KPP)

1.3 The GPS position sensor shall conform to NMEA 0183 Ver. 4.00 (T)

1.4 The GPS position sensor shall be certified to NMEA 2000 Edition 2.20 (O)

1.5 The GPS position sensor shall conform to RTCM-SC104-STD for DGPS operation (T) Subject: Radio Technical Commission for Maritime Services

1.6 The GPS position sensor shall allow for SBAS corrections from WAAS. (T)

1.6.1 The GPS position sensor shall provide 10 meter 2 DRMS accuracy in inland waters. (T)

DR5 The GPS sensor shall have better than 5 meter 3 DRMS accuracy (O)

1.7 The GPS position sensor shall provide 10 meter 2 DRMS accuracy verified by integrity monitoring (GBAS or RAIM) (T)

1.7.1 The GPS position sensor shall provide 20 meter 2 DRMS accuracy at 95% in harbor and approach waters (T)

1.8 The GPS position sensor shall provide 20 meter 2 DRMS accuracy verified by integrity monitoring (GBAS or RAIM) (T)

1.9 The GPS position sensor shall provide 30 meter 2 DRMS accuracy in coastal waters. (T)

2.1 The GPS position sensor shall provide 50 meter 2 DRMS accuracy in open ocean. (T)

2.2 The GPS position sensor shall supply time, position, velocity and route data using the following minimum NMEA 0183 Ver. 4.00 compatible sentences with a "GP" talker pneumonic: GGA - GPS fix data; GLL - Geographic latitude and longitude; RTE – Routes;

VTG - Course over ground and ground speed; WPL - Waypoint location; ZDA - Time and date (T)

2.3 The GPS position sensor shall supply time, position, velocity and route data using the following minimum NMEA 2000 Edition 2.20 Parameter Group Messages: 129029 GNSS Position data; 129285 Navigation – Route/WP information; 129026 COG & SOG, Rapid update; 129033 Time & Date. (O)

2.4 The GPS position sensor shall supply time, position, velocity and route data using the following minimum NMEA 0183 Ver. 4.00 compatible sentences with a "GP" talker pneumonic: AAM, ALM, APB, BOD, BWC, DTM, GBS GGA, GLL, GRS, GNS, GSA, GSV, GST, MSK, MSS, RMB, RMC, RTE, STN, VBW, VTG, WCV, WPL, XTE, ZTG, ZDA. (T)

2.5 The GPS position sensor shall supply time, position, velocity and route data using the following minimum NMEA 2000 Edition 2.20 Parameter Group Messages: 129284 Navigation data; 129541 GPS Almanac data; 129283 Cross Track Error; 127237 Heading/Track Control; 129302 Bearing and Distance between two Marks; 129044 Datum; 129029 GNSS Position data; 129540 GNSS Sats in view; 129285 Navigation – Route/WP information; 129539 GNSS DOPs; 129547 GNSS Pseudorange Noise Statistics;

129550 GNSS Differential Correction Receiver Interface; 129551 GNSS Differential Correction Receiver Signal; 129026 COG & SOG, Rapid update; 129033 Time & Date 126992 System Time; 127250 Vessel Heading; 127258 Magnetic Variation; 128259 Speed, Water referenced (O)

2.6 The GPS position sensor shall allow the electronic navigation system to manually select DGPS beacon and receiver mode remotely. (T)

2.7 The GPS position sensor shall produce a dual frequency ION-free position solution. (T) Note: Provides a dual frequency receiver capable of correcting for ionispheric refraction

(also known as ionispheric corruption)

3.1 The GPS position sensor shall have redundant soft fail capability. (T) Note: Provides stages of degradation, i.e. the ability to provide varied levels of functionality while experiencing error (therefore dost not immediately cease to function while experiencing adverse conditions).

3.2 The GPS position sensor shall operate on 10-30VDC. (O)

3.3 The GPS position sensor shall be water resistant. (T) Note: Must be IP67 rated (No ingress of dust; complete protection against contact-dust tight & ingress of water in harmful quantity shall not be possible when the enclosure is immersed in water under defined conditions of pressure and time- up to 1m of subversion)

DR6 NMEA output of GGA, GSA, GSV, HDT, RMC, ROT, VTG and ZDA in 38400 and 4800 baud rates required to interface with SINS, AIS, CG-ECDIS/CG-ECS. 10Hz refresh rate for HDT.

(T)

DR7 NMEA output of GGA, GSA, GSV, HDT, RMC, ROT, VTG and ZDA in 4800-38400 baud rates required to interface with SINS, AIS, CG-ECDIS/CG-ECS. Selectable from 1-10Hz refresh rate for HDT. (T)

DR8 NMEA output of GGA, GSA, GSV, HDT, RMC, ROT, VTG and ZDA in 4800-38400 baud rates required to interface with SINS, AIS, CG-ECDIS/CG-ECS. 10Hz refresh rate for HDT. (T)

DR9 NMEA output of GGA, GSA, GSV, HDT, RMC, ROT, VTG and ZDA above 38400 baud rate required to interface with SINS, AIS, CG-ECDIS/CG-ECS. 10Hz refresh rate for HDT. (O)

DR10 NMEA output of DTM, GGA, GRS, GST, HDT, VTG and ZDA are required to interface with USAIMS. 10Hz refresh rate for HDT. (T)

DR11 NMEA output of DTM, GGA, GRS, GST, HDT, VTG and ZDA are required to interface with USAIMS. Between 1-10Hz refresh rate for HDT. (O)

DR12 NMEA output of DTM, GGA, GRS, GST, HDT, VTG and ZDA are required to interface with USAIMS. Lower than 1Hz or greater than 10Hz refresh rate for HDT. (O)

DR13 The DGPS receiver shall auto boot when external power is applied. (T)

DR14 The antenna shall be compatible with a 1”-14 UNS thread mount or a 4 point thread mast mouth. (T)

DR18 The receiver shall be equipped with a grounding lug or post (T)

DR19 The proposed antenna shall be capable of operating with the following frequencies:

L1/L2/L2C GPS/MSK Beacon, SBAS. (T)

DR20 The receiver shall have subdued or dimmable panel lighting and indicators (T)

DR21 The receiver heading accuracy (2 m antenna separation) 0.1 degree RMS (T)

DR22 Receiver power consumption shall not exceed 11 watts (T)

DR23 Receiver shall provide 26 pin D-sub connections for a full 9-wire RS-232 communications with external devices. (T)

DR24 External cables shall be shielded and properly sized for electrical safety (T)

DR42 Antenna weight shall be <5 lbs (single antenna) (T)

DR43 GPS receiver shall be no larger than 10” depth by 6” width by 4” high (KPP)

Note: Overall physical dimensions are constrained by space currently available on the specific platform, cutter or boat.

GPS 1-Input, 2-Output, Passive Amplified Antenna Signal Splitter

Specifications

Ref Parameter Conditions Requirements

DR25 Frequency Range Antenna to Any Output, Unused

Outputs 50 ohms

1 to 2 GHz (T)

DR26 Input/Output Impedance Antenna, Output 1, Output 2 50 ohms (T)

DR27 Input SWR All Ports 50 ohms 2.0:1 (T)

DR28 Output SWR All Ports 50 ohms 2.0:1 (T)

DR29 Insertion Loss Antenna to Any Output, Unused

Outputs 50 ohms

4 to 5 db (T)

DR30 Gain Flatness Antenna to Any Output, Unused

Outputs 50 ohms

1 db (T)

DR31 Amplitude Balance Antenna to Any Output, Unused

Outputs 50 ohms

0.5 db (T)

DR32 Phase Balance Antenna to Any Output, Unused

Outputs 50 ohms

1 degree (T)

DR33 Isolation Adjacent Ports: Antenna 50 ohms

13 db minimum (T)

DR34 Group Delay Flatness Td,max – Td,min: Output 1 to

Antenna

1 ns (T)

DR35 DC Voltage Pass DC from Output 1 to

Antenna, Block DC from Output

2 to Antenna with 200 ohm load

12 VDC (T)

DR36 Antenna Current DC Input on Output 1 250mA maximum

DR37 Connector Type Antenna, Output 1, Output 2 TNC Female (T)

DR38 Housing - EMI Shielding and

Hermitically Sealed

DR39 Dimensions Including connectors Not to Exceed 4.25 inches wide, 3.75 inches long, and 1.25 inches high (T)

DR40 Weight Including connectors Not to Exceed 24 oz

DR41 Compliance - MIL-STD-810 (T)