SMART2 performance specifications
All specifications subject to GNSS system characteristics.
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Accuracy |
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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 accuracy1 |
|
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) |
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|
Code |
Carrier |
|
GPS |
L1 |
4 cm |
0.5 mm |
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L2 |
8 cm |
1.0 mm |
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GLONASS |
L1 |
15 cm |
1.5 mm |
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L2 |
8 cm |
1.5 mm |
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Time accuracy4 |
20 ns RMS |
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Velocity accuracy5 |
<0.055 m/s RMS |
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Signals |
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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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QZSS |
L1, L2 |
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SBAS |
L1 |
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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 to First Fix |
Hot: <20 s typical (Almanac and recent ephemeris saved and approximate position and time entered) Cold: <34 s typical (No almanac or ephemeris and no approximate position or time) |
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Data |
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Maximum data rate |
Measurements |
up to 20 Hz |
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|
Position |
up to 20 Hz |
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