User's Manual

SPSx50 Modular GPS Receiver User Guide 107
Specifications 10
Performance – SPS550
Feature Specification
Measurements Advanced Trimble Maxwell 5 Custom GPS chip
Trimble R-Track™ technology for tracking the new L2C Civil signal and L5
signal for GPS modernization (SPS850 Extreme only)
High-precision multiple correlator for L1, L2, and L5 pseudo-range
measurements
Unfiltered, unsmoothed pseudo-range measurements data for low noise,
low multipath error, low time domain correlation and high dynamic
response
Very low noise L1, L2, and L5 carrier phase measurements with <1 mm
precision in a 1 Hz bandwidth
L1, L2, and L5 signal-to-noise ratios reported in dB-Hz
Proven Trimble low elevation tracking technology
72 Channels L1 C/A Code, L2C, L5C, L1/L2/L5 Full Cycle Carrier, GLONASS
L1/L2 (L2C, L5 and GLONASS L1/L2 tracking capability available only in the
SPS850 Extreme)
WAAS / EGNOS / MSAS
Code differential GPS
positioning
1
Horizontal accuracy
Vertical accuracy
WAAS / EGNOS / MSAS
Horizontal accuracy
2
Vertical accuracy
2
1
Accuracy and reliability may be subject to anomalies such as multipath, obstructions, satellite geometry, and
atmospheric conditions. Always follow recommended practices.
2
Depends on WAAS/EGNOS/MSAS system performance.
±(0.25 m + 1 ppm) RMS, ± (9.84 in + 1 ppm) RMS
±(0.50 m + 1 ppm) RMS, ± (19.68 in + 1 ppm) RMS
Typically <1 m (3.28 ft)
Typically <5 m (16.40 ft)
OmniSTAR Positioning
XP Service Accuracy
HP Service Accuracy
Horizontal 20 cm (7.87 in), Vertical 30 cm (11.80 in)
Horizontal 10 cm (3.93 in), Vertical 15 cm (5.90 in)
Heading accuracy with
additional SPS550,
SPS550H, SPS750 Max, or
SPS850
0.3° RMS (10 m antenna separation).
Does not require shore-based corrections for heading solution.