TERRASTAR-D Positioning Service is designed to provide decimeter-level position precision worldwide. The service is supported by Precise Point Positioning (PPP), which removes or minimizes any errors created by the GNSS system by estimation.
TERRASTAR-D Positioning Service
TERRASTAR-D Positioning Service is designed to provide decimeter-level position precision worldwide. The service is supported by Precise Point Positioning (PPP), which removes or minimizes any errors created by the GNSS system by estimation, precise modeling or direct calculation.
PPP maintains position accuracy regardless of the user’s location by correcting satellite clocks and orbits. Carrier phase observations L1 and L2 as well as C/A and P-Code measurements are used to achieve measurement accuracy.
When the user utilizes GNSS hardware that is dual-frequency, local ionospheric errors are calculated and removed as tropospheric delays are estimated. Also modeled are other error sources, such as phase windup, earth tides and ocean loading.
TERRASTAR-D services uses GLONASS and GPS signals to provide global, high-accuracy positions. It is rugged and performs well in all environments and locations around the world.
- Based on Precise Point Positioning (PPP) technology
- Delivers decimeter-level position precision
- Measurements by C/A and P-Code plus L1/L2 carrier phase observations
- Minimizes GNSS receiver noise errors
- Rugged and high-performance in all locations around the world
|Corrections:||TERRASTAR Orbit and Clock|
|Observations:||L1 and L2 GPS and GLONASS carrier phase|
|Inmarsat satellites:||AORW, IOR, POR, 25E, 98W, 143E|
|Accuracy:||Horizontal – Better than 10 cm (95%)
Vertical ‰ÛÒ Better than 20 cm (95%)
The TERRASTAR-D service is available through Blue Planet Geomatics Geomatics. If you would like to learn more about it, please get in touch with us using the Request Pricing form.
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