GENEQ > Géomatique > GPS

Récepteur GPS USB
Modèle BU-303
Features
"SiRF Star-II WAAS enabled high performance and low power consumption chipset
WAAS capabled engine board for greater accuracy (WIN only) 
All-in-view 12-channel parallel processing
Built-in active antenna
High sensitivity to satellite signal
Superior urban canyon performance
FoliageLock for weak signal tracking
Build-in SuperCap to reserve system data for rapid satellite acquisition
Supported NMEA 0183 command: GGA, GSA, GSV, RMC, GLL, VTG
Super-cohesive magnetic for mounting on the car with non-slip on the bottom USB interface connection port
LED indicator for GPS fix:
      LED OFF: Receiver switch off
      LED ON: No fix, signal searching
      LED Flashing: Position Locked 

Specifications
Electrical Characteristics (Receiver)
GPS Chipset: SiRF Star II e/LP
Frequency: L1, 1575.42 MHz
C/A Code: 1.023 MHz Chip rate
Channels: 12 all-in-view tracking
Sensitivity: -147dBW

Accuracy
Position Horizontal: 10m 2D RMS WAAS enabled  15m 2D RMS (SA off)
Velocity: 0.1m/ sec 95% (SA off)
Time: 1 micro-second synchronized to GPS time
Datum
Datum: WGS-84
Acquisition Rate
Hot start: 8 sec., average (with ephemeris and almanac valid)
Warm start: 38 sec., average (with almanac but not ephemeris)
Cold start: 45 sec., average (neither Almanac nor ephemeris)
Reacquisition: 0.1 sec. (interruption recovery time)
Protocol
GPS Protocol: Default: NMEA 0183 (Secondary: SiRF binary)
GPS Output Data: SiRF binary >> Position, velocity, altitude, status and control, NMEA0183 V2.2 protocol and supports command: GGS, GSA, GSV, RMC.
GPS Transfer rate: Software command setting (Default: 4800, n,8,1 for NMEA)
Dynamic Condition:
Acceleration Limit: Less than 4g
Altitude Limit: 18,000 meters (60,000 feet) max.
Velocity Limit: 515 meters/sec. (1000 knots) max.
Jerk Limit: 20m/sec
Temperature
Operating: -40 ° - 80 °C (-40 °F - 176 °F)
Storage: -40 ° -80 °C (-40 °F - 176 °F)
Humidity: Up to 95% non-condensing
Power
Voltage: 5V ± 5%
Current: 90mA typical
Physical Characteristics
Dimensions: 2.32” x 1.65” x 0.82” (59mm x 47 x 21mm)
USB Cable Length: 60”
Low Noise Amp:
Amplifier Gain w/out cable: 27dB Typical
Filtering: -25dB (+100 MHz)
Output VSWR: 2.0 Max.
Voltage: DC 3- 5.0V
Current: 15mA @5VDC