Oscar GNSS Receiver | Provide High Accuracy and Stable Signal Detection

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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.

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.

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 IP67 rating, it is robust and reliable for harsh operating conditions.

Features

Specifications

Documents

Videos

Supports multiple constellations & frequencies
- GPS L1, L2, L5
- GLONASS L1, L2
- BeiDou B1, B2, B3
- Galileo E1, E5a, E5b
- QZSS L1, L2, L5
- SBAS (EGNOS, WAAS, MSAS, GAGAN) L1C/A

Supports 576 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 RTK mode

IP67-rated dust-& waterproof enclosure, for reliability in harsh environmental conditions

Signal Tracking

GNSS

GPS L1, L2, L5
GLONASS L1, L2
BeiDou B1, B2, B3
GALILEO E1, E5a, E5b
QZSS L1, L2, L5
SBAS (EGNOS, WAAS, MSAS, GAGAN) L1C/A

Channels

576

Positioning

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

3 mm + 0.1 ppm

- Vertical

3.5 mm + 0.4 ppm

Static & Fast Static (RMS)

- Horizontal

3 mm + 0.5 ppm

- Vertical

5 mm + 0.5 ppm

Real Time Kinematic (RMS)

- Horizontal

8 mm + 1 ppm

- Vertical

15 mm + 1 ppm

Post Processed Kinematic (RMS)

- Horizontal

8 mm + 1 ppm

- Vertical

15 mm + 1 ppm

Network Real Time Kinematic (RMS)

- Horizontal

8 mm + 0.5 ppm

- Vertical

15 mm + 0.5 ppm

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

Tilt Compensation Accuracy (within 30° )

≤2cm
*Details refer to performance comparison table in Oscar datasheet.

Timing Accuracy (RMS):

20ns

Velocity Accuracy (RMS):

0.03m/s

Initialization (Typical)

<10s

Initialization Reliability

>99.9%

System & Data

Operating System

Linux

Storage

16GB internal

Data Format

CMR, CMR+, RTCM 2.X/3.X

Data output

RINEX, NMEA-0183, TersusBinary

Data update rate:

20Hz

Electrical

Input Voltage

9~28V DC

Power Consumption (Typical)

Network or Radio receive mode:

≈ 5W

Radio transmit mode (0.5W):

≈ 8W

Radiotransmit mode (1W):

≈ 9W

Radiotransmit mode (2W):

≈ 11W

Lithium Battery

7.4V 6400mAh x2*
*Oscar uses one battery at a time, the other is a substitute. Each battery lasts up to 8 hours when Oscar works in 4G/3G/2G network and Rover radio mode. Two batteries add up to 16 hours of continuous use.

Communication

Cellular

4G LTE/TD-SCDMA/WCDMA/GPRS/GSM

Cellular bands (EU version):

LTE FDD B1/B2/B3/B4/B5/B8/B20
WCDMA B1/B2/B5/B8
GSM/GPRS 1900/1800/900/850MHz

Network protocols

Ntrip Client,Ntrip Server, Tersus Caster Service (TCS)

WiFi

802.11b/g
*Hardware of Wi-Fi module is ready, the function will be supported by firmware update.

Bluetooth

4.1

Interal Radio

- RF transmit power

0.5W/1W/2W

- Frequency

410MHz - 470MHz

- Operating mode:

Half-duplex

- Channel spacing:

12.5KHz / 25KHz

- Modulation type:

GMSK, 4FSK

- Air baud rate:

4800 / 9600 / 19200bps

- Distance (Typical)

>5km

- Radio protocols:

TrimTalk450, TrimMark 3, South, Transparent, Satel

Wired communication

- USB OTG

USB 2.0 x1

- Serial ports

RS232 x1

- COM baud rate:

up to 921600bps

Physical

Display

1.54’’ OLED
*Details refer to performance comparison table in Oscar datasheet.

Dimension

157x157x103mm

Weight

≈ 1.2kg (without battery)
≈ 1.4kg (with a battery)

Operating Temperature

-40℃ ~ +75℃

Storage Temperature

-55℃ ~ +85℃

Relative Humidity

100% not condensed

Dust & Water Proof

IP67

Pole drop onto concrete

Oscar Datasheet

Release Date: 2019-11-18 Version:1.8
Oscar Brochure

Release Date: 2019-12-18 Version:1.13
Oscar Quick Start

Release Date: 2019-07-19 Version:1.0
Oscar User Manual

Release Date: 2019-11-25 Version:1.1
Oscar Declaration of Conformity

Release Date: 2019-11-13 Version:1.0
Oscar_Item List_Ultimate Base

Release Date: 2019-11-26 Version:1.1
Oscar_Item List_Ultimate Rover

Release Date: 2019-11-26 Version:1.1
Oscar_Item List_Advanced Base

Release Date: 2019-08-20 Version:1.9
Oscar_Item List_Advanced Rover

Release Date: 2019-08-20 Version:1.8
Oscar_Item List_Basic Base

Release Date: 2019-11-26 Version:1.1
Oscar_Item List_Basic Rover

Release Date: 2019-11-26 Version:1.2
Oscar_CE

Release Date: 2019-11-28 Version:1.0
Oscar_RoHS

Release Date: 2019-11-28 Version:1.0
Oscar_KC

Release Date: 2019-12-03 Version:1.0
Oscar Firmware Upgrade Guide

Release Date: 2019-12-27 Version:1.0

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