Differential GPS Receivers

quick overview :

Specification:-

• With the highest accuracy ever for detailed survey At least with a precision of 10mm
• ELECTRICAL SPECIFICATIONS
• GENERAL FREQUENCY     L1, 1575.42 MHz
• C/A CODE    1.0023 MHz chip rate
• CHANNELS    12
• MAIN POWER         +5 VDC +/- 5%,  180mA  typical
• ACCURACY  POSITION    82' CEP without SA
• VELOCITY    0.3' /second, without SA
• TIME  1 microsecond synchronized  to GPS time
• DGPS ACCURACY  POSITION     3-16 feet, typical
• VELOCITY     0.16 feet/second, typical
• ACQUISITION RATE  REACQUISITION     0.1 second average
• HOT START     8 seconds average
• WARM START     38 seconds average
• COLD START     48 seconds average
• DYNAMIC CONDITIONS ALTITUDE     60,000 feet max.
• VELOCITY     1000 knots/second max. A
• CCELERATION     4g, max JERK     66 feet / second max.
• SERIAL PORT  ELECTRICAL INTERFACE      Two receive and one transmit
• PROTOCOL MESSAGES     SIRF binary &  NMEA -0183, version   2.20 with a baud rate selection SiRF binary- position, velocity, altitude, status &  control NMEA - CGA, GLL, GSA, GSV, RMC & VTG DGPS PROTOCOL    RTCM SC-104, ver 2.00, type 1, 2 and 9
• ENVIRONMENTAL CHARACTERISTICS PHYSICAL SPECS LENGTH       3" WIDTH        2.5" HEIGHT 1" INTERFACE CONNECTOR       RS232 DB9 female connector