SMART2 Performance Specifications
All specifications subject to GNSS system characteristics.
|
Horizontal Position Accuracy1 |
RMS |
95% |
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|
Single Point L1 only |
1.5 m |
2.4 m |
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|
Single Point L1/L2 |
1.2 m |
2.0 m |
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|
SBAS2 |
0.6 m |
0.9 m |
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|
DGPS |
0.4 m |
0.6 m |
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|
TerraStar‑L3 |
40 cm |
50 cm |
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|
TerraStar-C PRO3 |
2.0 cm |
2.5 cm |
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|
Pass to Pass Accuracy2 |
RMS |
95% |
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|
Single Point L1/L2 GLIDE |
- |
≤35 cm |
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|
TerraStar-L3 |
- |
≤15 cm |
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|
TerraStar-C PRO3 |
- |
2 cm |
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|
Measurement Precision (RMS) |
|
Code |
Carrier |
|
|
GPS |
L1 |
4 cm |
0.5 mm |
|
|
L2 |
8 cm |
1.0 mm |
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|
GLONASS |
L1 |
15 cm |
1.5 mm |
|
|
L2 |
8 cm |
1.5 mm |
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|
Signals Tracked |
GPS |
L1, L2, L2C |
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|
GLONASS (optional) |
L1, L2 |
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|
BeiDou (optional) |
B1I, B2I, B2b |
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|
Galileo (optional) |
E1 (optional), E5b (optional) |
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|
SBAS |
L1 |
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|
QZSS |
L1, L2 |
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|
Maximum Data Rate |
Measurements Position |
up to 20 Hz up to 20 Hz |
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|
Time to First Fix |
Hot: <35 s typical (Almanac and recent ephemeris saved and approximate position and time entered) Cold: <50 s typical (No almanac or ephemeris and no approximate position or time) |
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|
Signal Reacquisition |
L1 |
0.5 s typical |
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|
L2 |
<1.0 s typical |
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|
Time Accuracy4 |
20 ns RMS |
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|
Velocity Accuracy5 |
<0.055 m/s RMS |
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