Description

Spectra Precision SP90m GNSS Receiver

The Spectra Precision SP90m is a powerful, highly versatile, ultra-rugged, and reliable GNSS positioning solution for a wide variety of applications in real-time and post-processing. SP90m comes with a variety of integrated communications options, such as Bluetooth, WiFi, UHF radio, cellular modem, and two MSS L-band channels to receive Trimble RTX correction services.

The modular form factor of the SP90m allows for a maximum in flexibility on how the receiver can be used, such as base station, continuously operating reference station (CORS), RTK or Trimble RTX rover, on-board machine integration, vessels, etc. The ultra-rugged design of the aluminum receiver housing protects the investment, especially in tough field environments.

The state-of-the-art and patented Z-Blade GNSS-centric technology uses all available GNSS signals to deliver fast and reliable positions in real-time. Besides supporting all currently available and future planned GNSS satellite signals, the SP90m GNSS receiver allows the connection of two GNSS antennas for precise heading determination without the need for a secondary GNSS receiver.

With an ultra-rugged design, the Spectra Precision SP90M GNSS Receiver is a powerful, highly versatile, modular receiver designed for a wide array of real-time and post-processing applications. This professional-grade GNSS receiver offers a variety of integrated communication options such as RTCM-3 format, two MMS L-band channels, and built-in Bluetooth and Wifi for receiving Trimble RTX correction services. Featuring Spectra’s patented Z-Blade technology, the SP90M features 480 channels (GPS, GLONASS, GALILEO, BeiDou, QZSS, IRNSS, and SBAS).

With a 99.9% reliability, the Spectra Precision SP90m comes with an instant RTK initialization with a range of up to 24 miles. Plus, it includes a backup RTK and bridge for accurate positioning. This GNSS receiver supports rapid data processing with a recording interval of up to 999 seconds. For a more effective surveying operation, it has additional features like event marker input, PPS output, and Dual GNSS antenna inputs. It is also equipped with a 3.5G cellular modem that can be used for SMS, e-mail, and internet connectivity.

The Spectra Precision SP90m GNSS Receiver features an advanced OLED display, keyboard, and Web UI. It can also resist a drop of up to 3.3 feet and is dustproof and water-resistant (IP67). This Spectra GNSS receiver can easily store lots of information with its 8GB memory. As an extra feature, it boasts an anti-theft technology for the protection of the instrument.

Spectra Precision SP90m Features

• Reliable with an ultra-rugged design
• Highly versatile, modular receiver design
• RTCM-3 format
• 2 MMS L-band channels
• Built-in Bluetooth and Wifi communications
• Trimble RTX correction services
• 480 GNSS channels (GPS, GLONASS, GALILEO, BeiDou, QZSS, IRNSS, and SBAS)
• Z-Blade technology
• 3.5G cellular modem
• SMS, e-mail and internet connectivity
• 99.9% reliable
• Instant RTK initialization
• RTK range up to 24 miles (40 Km)
• Backup RTK and bridge
• Recording interval up to 999 seconds
• Event marker input
• ·PPS output
• Dual GNSS antenna inputs
• OLED display, keyboard, and WEB User Interface
• Drop-resistant up to 3.3 feet (1m)
• IP67 dustproof and water resistant
• 8GB internal memory
• Anti-theft technology

Spectra Precision SP90m specification

• Most versatile, modular receiver design
• Ultra-rugged design
• Patented Z-Blade technology
• 480-channel ASIC
• Dual GNSS antenna inputs
• Event marker input
• PPS output
• OLED display, keyboard, and Web UI
• Internal TRx UHF radio
• 3.5G cellular modem
• Built-in Bluetooth and WiFi communication
• SMS and e-mail alerts
• Anti-theft technology
• Backup RTK
• RTK bridge
• 2 MSS L-band channels
• Trimble RTX correction services

GNSS ENGINE

• 480 GNSS tracking channels
  • GPS L1 C/A, L1P (Y), L2P (Y), L2C, L5, L1C
  • GLONASS L1 C/A, L1P, L2 C/A, L2P, L3, L1/L2 CDMA ¹
  • GALILEO E1, E5a, E5b, E6
  • BeiDou B1, B2, B3 ¹
  • QZSS L1 C/A, L1s, L1C, L2C, L5
  • IRNSS L5
  • SBAS L1 C/A, L5
• Two MSS L-band tracking channels
• Two GNSS antenna inputs ²

FEATURES

• Patented Z-tracking to track encrypted GPS P(Y) signal
• Patented Strobe™ Correlator for reduced GNSS multipath
• Patented Z-Blade technology for optimal GNSS performance:
• Highest quality of raw data (availability/reliability) to meet reference station applications
  • Full utilization of signals from all seven GNSS systems (GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS, and SBAS)
  • Enhanced GNSS-centric algorithm: fully-independent GNSS signal tracking and optimal data processing, including GPS-only, GLONASS-only or BeiDou-only solution (from Autonomous to full RTK) ³
  • Fast and stable RTK solution
  • Fast Search engine for quick acquisition and re-acquisition of GNSS signals
• Patented SBAS ranging for using SBAS code & carrier observations and orbits in RTK processing
• Position in local datums and projections with RTCM-3 transformation data
• Support for Trimble RTX™ real-time correction services
• Support for CenterPoint® RTX Post-processing service
• UHF networking
• Hot Standby RTK Algorithms
• Flying RTK Algorithms
• RTK base and rovers modes, post-processing mode
• Moving base
  • RTK with Static & Moving Base corrections supported
  • Multi-dynamic mode (static/moving Base and Rover functions simultaneously)
  • RTK against a moving base for relative positioning
• Heading and Roll/Pitch
  • Accurate and fast heading using dual frequency multi-GNSS algorithms
  • RTK or Trimble RTX and heading processingsimultaneously
  • Heading engine with optional baseline length self-calibration
• Adaptive velocity filter to meet specific dynamic applications
• Up to 50 Hz real-time raw data (code & carrier and position, velocity, and heading output) ⁴
• Reference Inputs/Outputs: RTCM 3.2 ⁵, RTCM 3.1/3.0/2.3/2.1, CMR/CMR+ ⁶, ATOM ⁷
• RTK Networks Supported: VRS, FKP, MAC
• NTRIP protocol
• Navigation Outputs: NMEA-0183, ATOM
• PPS output
• Event marker input
• One-push Ashtech Trouble Log (ATL)

GNSS SENSOR PERFORMANCE

• Time to First Fix (TTFF):
  • Cold start: < 60 seconds
  • Warm Start: < 45 seconds
  • Hot Start: < 11 seconds
  • Signal re-acquisition: < 2 seconds
• Position accuracy (HRMS), SBAS: < 50 cm (1.64 ft) ⁸
• Update rate: Up to 50 Hz ⁴
• Latency: < 10 ms ⁹
• Velocity Accuracy: 0.02 m/sec HRMS
• Maximum Operating Limits ¹⁰:
  • Velocity: 515 m/sec
  • Altitude: 18,000 m

PRECISE POSITIONING PERFORMANCE

Real-Time Accuracy (RMS) ^{11, 12}

• Real-Time DGPS Position:
  • Horizontal: 25 cm (0.82 ft) + 1 ppm
  • Vertical: 50 cm (1.64 ft) + 1 ppm
• Real-Time Kinematic Position (RTK):
  • Horizontal: 8 mm (0.026 ft) + 1 ppm
  • Vertical: 15 mm (0.049 ft) + 1 ppm
• Network RTK ¹³:
• Horizontal: 8 mm (0.026 ft) + 0.5 ppm
• Vertical: 15 mm (0.049 ft) + 0.5 ppm

Trimble RTX™ (satellite and cellular/Internet (IP)) ^{14, 15}

• CenterPoint® RTX
  • Horizontal (RMS): < 4 cm
  • Initialization: < 30 min. (typical)
  • Operating range (inland): Nearly worldwide
• CenterPoint RTX Fast
  • Horizontal (RMS): < 4 cm
  • Initialization: < 5 min. (typical)
  • Operating range (inland): In select regions

Heading ^{16, 17, 18}

• Accuracy (RMS):
• 0.09° @ 2 m of baseline length
• 0.02° @ 10 m of baseline length
• Initialization time: < 10 sec typical
• Baseline length: < 100 m

Flying RTK

• 5 cm (0.165 ft) + 1 ppm (steady state) horizontal for baselines up to 1000 km

Real-Time Performance ^{11, 12}

• Instant-RTK® Initialization:
  • Typically 2-second initialization for baselines < 20 km
  • Up to 99.9% reliability
• RTK initialization range:
  • > 40 km

Post-Processing Accuracy (RMS) ^{11, 12}

• Static, Rapid Static:
  • Horizontal: 3 mm (0.009 ft) + 0.5 ppm
  • Vertical: 5 mm (0.016 ft) + 0.5 ppm
• High-Precision Static ¹⁹:
  • Horizontal: 3 mm (0.009 ft) + 0.1 ppm
  • Vertical: 3.5 mm (0.011 ft) + 0.4 ppm
• Post-Processed Kinematic:
  • Horizontal: 8 mm (0.026 ft) + 0.5 ppm
  • Vertical: 20 mm (0.065 ft) + 1.0 ppm

Data Logging Characteristics

• Recording Interval: 0.02 20 – 999 seconds

Memory

• 8 GB internal memory
• Memory is expandable through external USB sticks or hard drives
• Over four years of 15 sec. raw GNSS data from 14 satellites (logged to internal 8 GB Nand Flash)

Embedded Web Server

• Password-protected Web Server
• Full receiver monitoring and configuration
• FTP push function
• Embedded FTP server and NTRIP caster ²¹
• NTRIP Server and instant real-time multi-data streaming over Ethernet
• DHCP or manual configuration (static IP address)
• DynDNS® technology support

USER AND I/O INTERFACE

• User Interface
  • Graphical OLED display with 6 keys and 1 LED
  • WEB UI (accessible via WiFi) for easy configuration, operation, status and data transfer
• I/O Interface:
  • 1 x USB OTG
  • Bluetooth v4.0 + EDR/LE, Bluetooth v2.1 + EDR
  • WiFi (802.11 b/g/n)
  • 3.5G quad-band GSM (850/900/1800/1900 MHz) / penta-band UMTS module (800/850/900/1900/2100 MHz)
  • 1 x Ethernet, RJ45 (Full-Duplex, auto-negotiate 10 Base-TX / 100 Base-TX)
  • 1 x Lemo, RS232 (radio connection and external power)
  • 1 x DB9, RS232 (PPS output and CAN bus)
  • 1 x DB9, RS422/232 (Event marker input)
  • 2 x TNC, GNSS antenna input
  • 1 x TNC, UHF radio antenna connector
  • 1 x SMA, GSM antenna connector
  • 1 x SMA, Bluetooth/WiFi antenna
  • PPS output
  • Event marker input
  • Galvanic Insulation (Except USB)
  • Ready for CAN bus (NMEA2000 compatible)

PHYSICAL AND ELECTRICAL CHARACTERISTICS

• Size: 16.5 x 20.6 x 6.5 cm (6.5 x 8.1 x 2.6 in)
• Weight: GNSS receiver: 1.66 kg (3.66 lb) without UHF / 1.70 kg (3.75 lb) with UHF
• Battery life:
  • 4 hrs (RTK Base, GNSS On, UHF Tx On), 12.8 W average power consumption
  • 6 hrs (RTK Rover, GNSS On, UHF Rx On), 5.9 W average power consumption
• Li-ion battery, 27.8 Wh (7.4 V x 3.7 Ah). Acts as a UPS in case of a power source outage
• 9-36 V DC input (EN2282, ISO7637-2)
• External DC power limits feature