Hemisphere GNSS Vega™ 28 GNSS Compass Board
Advanced GNSS Compass Board with Sub-Decimeter Accuracy
Hemisphere GNSS Vega 28 GNSS Compass Board is designed for precise heading and positioning, supporting GPS, GLONASS, BeiDou, Galileo, QZSS, and NavIC signals. With dual-antenna ports, it delivers sub-decimeter accuracy and fast RTK initialization. Vega 28 also features strong multipath rejection, Cygnus™ interference mitigation, and Atlas L-band capability, making it ideal for demanding GNSS applications in challenging environments.
Vega™ 28 GNSS Compass Board Technical Specifications
GNSS Receiver Specifications | |
Receiver Type: | Multi-Frequency GPS, GLONASS, BeiDou, Galileo, QZSS, IRNSS, and Atlas L-band |
Signals Received: | GPS: L1CA/L1P/L1C/L2P/L2C/L5 GLONASS: G1/G2/G3, P1/P2 BeiDou: B1i/B2i/B3i/B10C/B2A/B2B/ ACEBOC GALILEO E1BC/E5a/E5b/E6BC/ALTBOC QZSS L1CA/L2C/L5/L1C/LEX IRNSS: L5 Atlas L-band |
GPS Sensitivity: | -142 dBm |
SBAS Tracking: | 3-channel, parallel tracking |
Update Rate: | 10 Hz standard, 20 Hz optional (with activation) |
Options: | SBAS, Atlas (L-band), RTK |
Accuracy | |
| RMS (67%) |
Autonomous | 1.2 m |
SBAS: | 0.3 m |
Atlas H10: | 0.04 m |
Atlas H30: | 0.15m |
Atlas Basic: | 0.5 m |
RTK: | 8 mm + 1 ppm |
Heading: | 0.16° @ 0.5 m antenna separation. 0.08° @ 1.0 m antenna separation. 0.04° @ 2.0 m antenna separation. 0.02° @ 5.0 m antenna separation. |
Pitch/Roll | 0.5° |
Heave | 30 cm (DGPS) 5 cm (RTK) 1 |
Communications | |
Ports: | 3 x full-duplex 3.3V CMOS 1 x USB Host/Device 1 x Ethernet 10/100Mbps 2 x CAN (NMEA2000, ISO 11783) 1 x PPS output, 2 x Event input |
Correction I/O Protocol: | Hemisphere GNSS proprietary ROX format, RTCM v2.3, RTCM v3.2, CMR, CMR+ |
Data I/O Protocol: | NMEA 0183, Hemisphere GNSS binary |
Environmental, Mechanical & Electrical | |
Supply Voltage: | 3.3 VDC +/- 5% |
Power Consumption: | < 2.5 W all signals + L-band |
Dimensions: | 71 L x 46 W x 10 H (mm) 2.8 L x 1.8 W x 0.4 H (in) |
Weight | 24g |
Operating Temperature: | -40°C to +85°C |
Aiding Devices | |
Gyro: | Provides smooth and fast heading reacquisition. During loss of GNSS signals heading stability is degraded by < 1° per minute for up to 3 minutes. |
Tilt Sensors: | Provide pitch, roll data and assist in fast start-up and reacquisition of heading solution. |
Why Choose the Vega™ 28 GNSS Compass Board?
Extremely accurate heading with long baselines.
Available multi-frequency position, dual-frequency heading supporting GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC (IRNSS), and L band.
Atlas® L-band capable to 4 cm RMS.
Athena™ GNSS engine providing best-in-class RTK performance.
Excellent coasting performance.
5 cm RMS RTK-enabled heave accuracy.
Strong multipath rejection and Cygnus™ interference mitigation.
New multi-axis gyro and tilt sensor for reliable coverage during short GNSS outages.
What Is the Vega™ 28 GNSS Compass Board Used For?
Typical applications of the Vega™ 28 GNSS Compass Board include:
RTK centimeter-level positioning for autonomous systems
Surveying, mapping and GIS data collection
Autonomous vehicle and robotics localization
Timing and synchronization applications
UAV navigation and photogrammetry
What’s in the Package?
Vega 28 GNSS board sFreq, mGNSS, 10Hz, Atlas capable.
Optional Firmware:
10 Hz activation.
20 Hz activation.
50 Hz activation.
RTK activation.
mGNSS activation.
mFreq activation.
mFREQ, mGNSS, RTK Bundle.
Development Kit:
Universal Development Kit (ST, MK) Supports Phantom & Vega Integrations ONLY
Frequently Asked Questions
What is the Vega™ 28 GNSS Compass Board?
Hemisphere GNSS Vega 28 GNSS Compass Board is designed for precise heading and positioning, supporting GPS, GLONASS, BeiDou, Galileo, QZSS, and NavIC signals. With dual-antenna ports, it delivers sub-decimeter accuracy and fast RTK initialization.
What is included with the Vega™ 28 GNSS Compass Board?
The standard package includes: 10 Hz activation; 20 Hz activation; 50 Hz activation; RTK activation; mGNSS activation; mFreq activation; mFREQ, mGNSS, RTK Bundle. See above for optional extras where available.
Does the Vega™ 28 GNSS Compass Board support RTK positioning?
Supported correction methods and accuracy figures are listed in the specifications above. For centimeter-level RTK workflows you will also need a corrections source (base station or NTRIP service); Leo Drive can advise on a complete setup around the Vega™ 28 GNSS Compass Board.
Where is the Vega™ 28 GNSS Compass Board available?
The Vega™ 28 GNSS Compass Board is available through Leo Drive in the following region: Turkey. For other regions, please contact Leo Drive.
How can I get the datasheet and technical documents for the Vega™ 28 GNSS Compass Board?
The datasheet, user manual and other technical documents for the Vega™ 28 GNSS Compass Board are available on the manufacturer’s website. You can also contact Leo Drive for documentation and integration support.
Explore More at Leo Drive
The Vega™ 28 GNSS Compass Board is part of the GNSS Receivers range at Leo Drive. Browse all autonomous vehicle sensors and components, or talk to our engineering team about integration in your project.
