High Precision Timing Board

ER-200(GPS/GLONASS) High precision BoardER-200 is section of high performance GPS / GLONASS combo satellite receive board, with GPS, GLONASS and GPS + GLONASS three positioning mode.  In order to ensure the positioning precision of the optimal, three positioning and automatic mode switching, also by setting a fixed positioning mode can achieve this. Received in the carrier phase smoothing pseudo range to improve the precision of pseudo range measurement, improve the positioning accuracy; using pipelined fast parallel processing algorithms, satellite capture and recapture fast; By one order velocity loop, the second-order acceleration loop and the third order and acceleration loop dynamic control to achieve high dynamic precision stability to meet the needs of the positioning of the carrier in a variety of dynamic environments. Physical characteristicsWeight:55 ± 5gSize:87.63 × 57.15 × 12.00 mmRadio frequency head:a JMMCX-KWHDPerformanceGPS+GLONASS Channel number:48Minimum tracking signal strength:33dB HzLocation timeBoot satellite capture time:≤2sBoot time:36s(No ephemeris)Average initial location time:6s(Ephemeris injection1σ)Lock catch time:≤1sPositioning accuracyGPS Horizontal positioning accuracy(1σ):1.5m (PDOP≤3)GPS Vertical positioning   accuracy(1σ):3m (PDOP≤3)GPS+GLONASS Horizontal positioning accuracy(1σ):3m (PDOP≤3)GPS+GLONASS Vertical positioning accuracy(1σ):6m (PDOP≤3)Speed accuracyGPS Horizontal velocity measurement accuracy:0.05m/s (PDOP≤3)GPS Vertical velocity measurement accuracy:0.05m/s (PDOP≤3)GPS+GLONASS Horizontal velocity measurement   accuracy:0.05m/s (PDOP≤3) GPS+GLONASS Vertical velocity measurement   accuracy:0.05m/s (PDOP≤3)DynamicMaximum dynamic working height:unlimitedMaximum dynamic working speed:unlimitedDynamic acceleration:≤30gDynamic acceleration:≤ 20g/sEnvironmental   characteristicsWorking temperature:-40 ～ +75℃Storage temperature:-45 ～ +85℃Electrical   characteristicsWide working voltage:+6 ～ +30Vpower waste:≤5WRF output:5±0.3V,100mAInterface and protocolSerial port:4 high speed (115.2Kbps) standard RS232 serial   port1PPS output:TTL level, precision + 50nsData output format:Compatible JNS100 JAVAD formatDrive output:2 external LED driver outputs ER-RT (GPS/BDS) Timing Board Support multi systems, multi frequency point • Stable working, higher reliability• Higher out of band anti-interference ability • Self-checking and alarm function• Double system working• Cable delay error compensation• Completely independent intellectual property rights  Specifications:PerformanceFrequency:GPS L1:C/A code, 12 channelsBDS: 12 channelsUpdate rate:1HzPrecision:Horizontal<6m(1σ)Height<11m(1σ)1PPS:GPS/UTC time service accuracy error <15ns (1σ)BDS/UTC time service accuracy error <15ns (1σ)Time to first fix:<60s (90%)Losing lock recapture:<10s (90%)Acquisition sensitivity:GPS system: -130 dBmBDS system: -130 dBmDynamic range:GPS system: -90dBm ～ -130dBmBDS system: -84dBm ～ -124dBmPhysical characteristicsWeight:16±2gDimension:77.0 × 33.0 ×13.6 ± 0.2 mmEnvironmental   characteristicsWorking temperature:-40 ～ +75℃Storage temperature:-45 ～ +85℃Working humidity：5% ～ 95%RH, +60℃, No condensationHeight:-400 ～ 18000mElectrical   characteristicsWorking voltage:+3.3V DC ±0.1V DCPower consumption:≤0.75W @3.3V in room temperatureInterface Port:one both way port, LVTTL level1PPS output:3.3V LVCMOS level, pulse width 1 ～ 500 ms, adjustableProtocol:Completely compatible with Trimble Resolution-T software   protocolData output format:NMEA0183\ binary systemDrive output:two external LED drive output        EVENT_MARK inputBaud rate:9600～115200bps