Trimble SPS855 GNSS Base Station

• A premier multi-constellation Vanguard Technology GNSS board
• Industry-leading Fence Antenna Technology
• Serial (RS-232C) and power ports
• Detachable battery
• A highly visible display panel with single-button operation
• External memory card slot
• Integrated Bluetooth wireless and radio technology
• Optional HSPA (3.5G) and CDMA cellular technology
• Voice notifications for important receiver operations
• Integrated and rugged design

• Battery: -20 to +65
• Ext: -40 to +65
• With UHF Modem: -20 to +55

• L1 only (H: 3mm + 0.8 ppm x D // V: 4mm + 1 ppm x D)
• L1 + L2 (H: 3mm + 0.5 ppm x D // V: 5mm + 0.5 ppm x D)
• L1 + L2 (H: 3mm + 0.5 ppm x D // V: 5mm + 0.5 ppm x D)
• L1 + L2 (H: 10mm + 1 ppm x D // V: 15mm + 1 ppm x D)
• Post Processing/RTCM: Typically less than 0.5m

• NMEA: Ver. 2.1, 2.2, 2.3, 3.0 // GGA, GLL, GNS, GRS, GSA, GST, GSV, HDT, RMC, VTG, ZDA, ROT, GMP // Output Interval up to 20Hz
• DGPS: RTCM SC104 Ver, 2.1, 2.2, 2.3, 3.0, 3.1 // RTCM Message Type – 1, 3, 9, 31, 32, 34 // Process Interval up to 20Hz // Output Interval up to 20Hz // Elevation Mask 0 to 90 degrees
• RTK: CMR.CMR+, RTCM SC104 Ver. 2.2, 2.3, 3.0 or 3.1 // RTCM Message Type – User selectable // Ambiguity Initialize OTF (L1, L1/L2) // Baseline Length up to 50km // Initialize Time > 15 sec // Output Interval up to 20Hz // Process Interval up to 20Hz // Elevation 0 to 90 degrees // Solution Mode: Delay (synchronization), Extrapolation (not synchronized)

• Highly flexible base or rover for construction site measurement
• Integrated radio option for base and rover tasks
• Rapid daily base station setup with a single button push using autobase technology
• Internet enabled base station via ethernet or SNM940 Connected Site® Gateway
• Integrated battery that also acts as a UPS power supply

• Pole drop: Designed to survive a 1 m (3.3 ft) pole drop onto hard surface
• Shock – Non-operating: To 75 G, 6msec
• Shock – Operating: To 40 g, 10msec, saw-tooth. Vibration: Tested to Trimble ATV profile (4.5 g RMS): 10 Hz to 300 Hz: 0.04 g/Hz2

• SBAS (WAAS/EGNOS/MSAS) Positioning: Better than 5 m 3DRMS (16 ft)
• Code Differential GPS Positioning: H: 0.25 m + 1 ppm RMS (0.8 ft + 1 ppm RMS) // V: 0.50 m + 1 ppm RMS (1.6 ft + 1 ppm RMS)
• OmniSTAR Positioning: VBS: Horizontal 1 m (3.3 ft) // XP: Horizontal 0.2 m (0.66 ft), Vertical 0.3 m (1.0 ft) // HP: Horizontal 0.1 m (0.33 ft), Vertical 0.15 m (0.5 ft)
• Location RTK Positioning: H: Location RTK (10/10) or (10/2) 10 cm + 1 ppm RMS (0.32 ft + 1 ppm) // V: Location RTK (10/10) 10 cm + 1 ppm RMS (0.32 ft + 1 ppm) / Location RTK (10/2) 2 cm + 1 ppm RMS (0.065 ft + 1 ppm)

• Lemo (Serial): 7-pin 0S Lemo, Serial 1, 3-wire RS-232
• Modem 1 (Serial): 26-pin D-sub, Serial 2, Full 9-wire RS232, using adaptor cable
• Modem 2 (Serial): 26-pin D-sub, Serial 3, 3 wire RS-232, using adaptor cable
• 1PPS (1 Pulse-per-second): Available on Marine versions
• Ethernet: Through a multi-port adaptor

• Base station for precision GNSS applications such as site positioning and machine control
• Location RTK for site vehicle and supervisors
• Precision RTK rover on-site
• System integrator applications using Location GNSS augmentation, including OmniSTAR, Location RTK, SBAS, and DGPS RTCM and Precision RTK

On/Off key for one-button startup

Escape and Enter keys for menu navigation

4 arrow keys (up, down, left, right) for option scrolls and data entry

• Bluetooth: Fully-integrated, fully-sealed 2.4 GHz Bluetooth module
• Integrated Radios (Optional): Fully-integrated, fully-sealed internal 410-470 MHz Tx/Rx; Internal 900 MHz Tx/Rx
• Channel Spacing (450 MHz): 12.5 kHz or 25 kHz spacing available
• Sensitivity (450 MHz): -114 dBm (12 dB SINAD)
• 450 MHz Output Power: 0.5 W, upgradeable to 2 W
• 900 MHz Output Power: 1.0 W

Supported for direct-dial and Internet-based correction streams – directly using the external SNM940 or using the SCS900 software

Cell phone or GSM/GPRS modem inside controller or external SNM940

• 440-channel L1C/A, L1/L2/L2C GPS and QZSS.
• Upgradable to L5 and GLONASS L1/L2C/A, L1/L2P Full Cycle Carrier
• Galileo
• BeiDou
• CenterPoint™ RTX™ Correction Service
• OmniSTAR
• Trimble EVEREST™ multipath signal rejection
• 4-channel SBAS (WAAS/EGNOS/MSAS/QZSS)

• Positioning: H: 8 mm + 1 ppm RMS (0.026 ft + 1 ppm RMS) // V: 15 mm + 1 ppm RMS (0.05 ft +1 ppm RMS)
• Trimble VRS: H: 8 mm + 0.5 ppm RMS (0.026 ft +0.5 ppm) // V: 15 mm + 0.5 ppm RMS (0.05 ft +0.5 ppm)
• Precise Heading: Heading accuracy - Combined with SPS555H // 2 m antenna separation = 0.09° RMS // 10 m antenna separation = 0.05° RMS

• GA830
• GA530
• GA810
• Zephyr™ Model 2
• Zephyr Geodetic™ Model 2
• Zephyr Model 2 Rugged

6.0 W in rover mode with internal receive radio

8.0 W in base mode with internal transmit radio

Data logging involves the collection of GNSS measurement data over a period of time at a static point or points, and subsequent postprocessing of the information to accurately compute baseline information. Data logging using receivers requires access to suitable GNSS postprocessing software

such as the Trimble Business Center software.

• Advanced Trimble Maxwell™ 6 Custom GPS Chips
• High-precision multiple correlator for GNSS pseudorange measurements
• Unfiltered, unsmoothed pseudo-range measurements data for low noise, low multipath error, low-time domain correlation, and high-dynamic response
• Very low noise carrier phase measurements with 1 mm precision in a 1 Hz bandwidth
• Trimble EVEREST™ multipath signal rejection
• L-Band: OmniSTAR VBS, HP, XP, G2 by subscription
• GPS L1 C/A, L2C, L2E (Trimble method for tracking unencrypted L2P) upgradable to L5. 440 channels
• Upgradeable to GLONASS L1/L2C/A, L1/L2P Full Cycle Carrier
• Upgradeable to Galileo: L1 CBOC, E5A, E5B and E5AltBOC8
• Upgradeable to Compass: B1, B2, B3
• 4-channel SBAS L1 C/A, L5 (WAAS/EGNOS/MSAS)
• QZSS: L1 C/A, L1C, L1 SAIF, L2C, L5

• Ultra-rugged housing built to withstand harsh construction site conditions
• GNSS receiver, antenna, and battery all in one unit
• Connected site enabled with integrated wi-fi, Bluetooth, and optional wideband radio
• Quick release connector makes it easy to move the unit between case, range pole, ATV, and truck

• Pole drop: Designed to survive a 2 m (6.6 ft) pole drop onto concrete
• Shock – Non-operating: To 115 G, 6msec
• Shock – Operating: To 60 g, 10msec, half-sine. Vibration: Mil-Std-810G, FIG 514.6D-I, Mil-Std-202G, FIG 214-I, Condition D

CODE DIFFERENTIAL GPS POSITIONING

Horizontal accuracy: 0.25 m + 1 ppm RMS (0.8 ft + 1 ppm RMS)

Vertical accuracy: 0.50 m + 1 ppm RMS (1.6 ft + 1 ppm RMS)

TRIMBLE XFILL

Horizontal accuracy: RTK4 + 10 mm/minute RMS

Vertical accuracy: RTK + 20 mm/minute RMS

TRIMBLE CENTERPOINT RTX

Horizontal accuracy: 4 cm (0.13 ft) RMS

Vertical accuracy: 9 cm (0.30 ft) RMS

• Layout of structure foundations, caissons, and piles
• Earthworks, fine grading and finishing stakeout operations
• Initial site measurements to verify design levels and regular subsequent measurements to determine progress volumes
• Vehicular-mounted site supervisor applications
• Measurements and grade/thickness checks on laid materials

• Wi-fi: Client or Access Point. Receive or transmit corrections
• Bluetooth: Fully-integrated, fully-sealed 2.4 GHz Bluetooth module
• Integrated Radios (Optional): Fully-integrated, fully-sealed internal 410-470 MHz Tx/Rx; Internal 900 MHz Tx/Rx
• Channel Spacing (450 MHz): 12.5 kHz or 25 kHz spacing available
• Sensitivity (450 MHz): -114 dBm (12 dB SINAD)
• 450 MHz Output Power: 0.5 W, upgradeable to 2 W
• 900 MHz Output Power: 1.0 W

• 440-channel L1C/A, L1/L2/L2C GPS and QZSS. Upgradable to L5 and
• Optional Galileo and BeiDou
• Trimble xFill for short gaps in correction service
• CenterPoint™ RTX™ Correction Service
• OmniSTAR™
• Trimble EVEREST™ multipath signal rejection
• 4-channel SBAS (WAAS/EGNOS/MSAS/QZSS)

Horizontal accuracy: 8 mm + 1 ppm RMS (0.026 ft + 1 ppm RMS)

Vertical accuracy: 15 mm + 1 ppm RMS (0.05 ft + 1 ppm RMS)

Data logging involves the collection of GNSS measurement data over a period of time at a static point or points, and subsequent postprocessing of the information to accurately compute baseline information. Data logging using receivers requires access to suitable GNSS postprocessing software

such as the Trimble Business Center software.

• 440-channel L1C/A, L1/L2/L2C GPS and QZSS. Upgradable to L5 and
• Optional Galileo and BeiDou
• Trimble xFill for short gaps in correction service
• CenterPoint™ RTX™ Correction Service
• OmniSTAR™
• Trimble EVEREST™ multipath signal rejection
• 4-channel SBAS (WAAS/EGNOS/MSAS/QZSS)