GENEQ > Geomatics > Global Positioning System
| BU-303 USB GPS Receiver |
| 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 |