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Oscar GNSS Receiver with Options
with Calibration-Free Tilt Compensation
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Empowered by a high precision inertial measurement unit (IMU) on Ultimate version, Oscar GNSS receiver from Tersus is a new generation of tilt survey GNSS receiver. This kind of calibration-free tilt compensation is immune to magnetic disturbances. Oscar gives a surveyor unprecedented flexibility and efficiency - holding the survey pole upright is no longer necessary. With an internal high-performance multi-constellation and multi-frequency GNSS board, the Oscar GNSS Receiver can provide high accuracy and stable signal detection. 

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The built-in high-performance antenna can speed up the time to first fix (TTFF) and improve anti-jamming performance. With a Nano-SIM card inserted in Oscar, it can access Internet, transmit and receive correction data through 4G/WiFi network. The built-in UHF radio module supports long distance communication. The built-in large capacity battery is detachable and can display power level. Two batteries support up to 16 hours of fieldwork in 4G/3G/2G network and Rover radio mode. Oscar can be easily configured with 1.54 inch interactive screen on Ultimate and Advanced versions. The rugged housing protects the equipment from harsh environments.





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The Tersus TC20 Controller is a rugged smart phone with design of 4.3'' touch screen and an alphanumerical keypad. Equipped with powerful processor, it is perfect to adapt with Tersus Survey software. With professional IP68 rating, it is robust and reliable for harsh operating conditions.


Features
Specifications
Documents
Videos
Supports multiple constellations & frequencies
- GPS L1C/A, L2C, L2P, L5
- GLONASS L1C/A, L2C/A
- BeiDou B1, B2, B3
- Galileo E1, E5A, E5B
- QZSS L1C/A, L1C, L2C, L5
- SBAS (EGNOS, WAAS, MSAS, GAGAN) L1C/A (optional)
- IRNSS (optional)
Supports 576/864(optional) channels
410-470MHz UHF radio, 4G network, Wi-Fi, Bluetooth, NFC
Tilt compensation without calibration, immune to magnetic disturbances
Various working modes
16GB/8GB internal storage
Up to 16 hours working in 4G/3G/2G network and Rover radio mode
System & Data
+
Operating system
Linux
Storage
built-in 16GB/8GB
Data format
CMR, RTCM 2.X/3.X
Data output
RINEX, NMEA-0183, Tersus Binary
Data update rate
20Hz
Performance
+
Signal tracking
GPS L1C/A, L2C, L2P, L5; GLONASS L1C/A, L2C/A;
BeiDou B1, B2, B3; Galileo E1, E5A, E5B;
QZSS L1C/A, L1C, L2C, L5;
SBAS (EGNOS, WAAS, MSAS, GAGAN) L1C/A (optional);
IRNSS (optional)
Channels
576; 864 (optional)
Single Point Positioning Accuracy (RMS)
- Horizontal: 1.5m
- Vertical: 3.0m
DGPS Positioning Accuracy (RMS)
- Horizontal: 0.4m
- Vertical: 0.8m
SBAS Differential Positioning Accuracy (RMS)
- Horizontal: 0.6m
- Vertical: 1.2m
High-Precision Static (RMS)
- Horizontal: 3mm+0.1ppm
- Vertical: 3.5mm+0.4ppm
Static & Fast Static (RMS)
- Horizontal: 3mm+0.5ppm
- Vertical: 5mm+0.5ppm
Post Processed Kinematic (RMS)
- Horizontal: 8mm+1ppm
- Vertical: 15mm+1ppm
Observation Accuracy (zenith direction)
- C/A Code: 15cm
- P Code: 20cm
- Carrier Phase: 1mm
Time To First Fix (TTFF)
- Cold Start: <35s
- Warm Start: <10s
Reacquisition
<1s
Performance – continued
+
Tilt Compensation Accuracy (within 30° )
≤2cm
Timing Accuracy (RMS)
20ns
Velocity Accuracy (RMS)
0.03m/s
Initialization (typical)
<10s
Initialization Reliability
>99.9%
Software Support
+
Tersus Nuwa
MicroSurvey FieldGenius
Oscar Quick Start Video - Static Surveying with Oscar
Oscar Quick Start Video - Oscar Working with TCS
Oscar Quick Start Video - Oscar Working with Internal Radio
Oscar Quick Start Video - Oscar Base Working with External Radio
Oscar Quick Start Video - Oscar Rover Working with CORS
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