What is the truFYX TSO?
The truFYX TSO from uAvionix is the world's first TSO-C145e certified SBAS GPS position source specifically designed for Unmanned Aircraft Systems (UAS) autopilots and ADS-B OUT solutions, bringing aviation-grade reliability and compliance to drone operations. This compact, waterproof device integrates a high-performance GPS receiver and antenna into a single 35mm diameter, 20g enclosure, offering 5 Hz updates, precise accuracy (5m horizontal/7m vertical), and support for NMEA or MAVLink protocols to serve as a primary navigation source for controlled airspace access and surveillance.
Can truFYX TSO be used as a primary position source for ADS-B and navigation?
Yes, as a TSO-C145e Class Beta-1 GPS, it serves as a primary position source for ADS-B surveillance, domestic en route and terminal navigation, and ensures integrity even without SBAS signals through FDE.
What protocols does truFYX TSO support?
It supports NMEA 0183 with RAIM extensions or MAVLink protocols over RS-232, along with a 1pps time pulse output.
Is truFYX TSO compatible with other uAvionix products?
Yes, it integrates well with uAvionix ping200X ADS-B solution and can reduce onboard GPS count by serving multiple systems like autopilots and ADS-B transponders.
What are the accuracy specifications for truFYX TSO?
Horizontal Position Accuracy (HPA) is 5 meters, Vertical Position Accuracy (VPA) is 7 meters, velocity accuracy is 3 m/s, and time accuracy is 30 ns. It updates at 5 Hz with SIL/SDA ratings of 3/2.
What are the sensitivity levels for acquisition and tracking?
Acquisition sensitivity is -148 dBm, and tracking sensitivity is -167 dBm, ensuring reliable performance in low-signal environments.
What is the power consumption and input voltage range?
It operates on 5.5-31 V input voltage.
What are the dimensions and weight of truFYX TSO?
The device measures 47.7 x 10.7 mm and weighs 20 grams, making it compact and lightweight for UAS integration.
How many channels does truFYX TSO have?
It features 12 GPS channels and 3 SBAS channels for robust satellite tracking.
What is the update rate and velocity accuracy?
The position update rate is 5 Hz, with velocity accuracy of 3 m/s.
What is the baud rate for the RS-232 interface?
The interface operates at 115200 bps.
What is the purpose of the PPS time pulse?
The white wire provides a 1 pulse per second (1pps) RS-232 time pulse for precise timing synchronization.
Can I integrate truFYX TSO with MAVLink-based systems?
Yes, it supports MAVLink protocol as an alternative to NMEA, allowing seamless integration with drone autopilots like PX4 or ArduPilot.
What types of aircraft is truFYX compatible with?
truFYX is designed for use in all types of unmanned aerial systems (UAS) and urban air mobility (UAM) vehicles.
What certifications does truFYX TSO have?
It is FAA TSO-C145e Class Beta-1 certified, compliant with RTCA DO-229E Class Beta-1, DO-178C Level C, DO-254 Level C, and DO-160G environmental standards.
Does truFYX TSO meet ADS-B mandate requirements?
Yes, it meets U.S. and E.U. ADS-B mandates for 2020 and beyond, providing a compliant primary position source for controlled airspace access.
What is the ECCN classification for export?
The Export Control Classification Number (ECCN) is 7A994.
Is truFYX TSO compliant with DO-160G environmental categories?
Yes, it meets categories for temperature (B2), humidity (A), vibration (S Curve M, Zone 2 – Type 5), waterproofness (R), and others like ESD (A) and RF susceptibility (TT).
What software and hardware assurance levels does it have?
It adheres to DO-178C Level C for software and DO-254 Level C for hardware.
What are the operating temperature ranges for truFYX TSO?
It operates under DO-160G Category B2 for temperature and A for temperature variation.
Is truFYX TSO waterproof?
Yes, it meets DO-160G Category R for waterproofness and is housed in a waterproof enclosure.
What vibration and shock tolerances does it have?
It complies with DO-160G Category S (Curve M) for vibration and B for operational shock.
What is the mechanical specification for mounting?
The device has a 35mm diameter base with mounting holes; refer to the dimensional diagram showing 47.7mm length and 10.7mm height.
How do I install the truFYX TSO GPS on my UAS?
Mount the device in a location with a clear view of the sky, connect the wiring (black for ground, red for power, gray/orange for RS-232 TXD/RXD, white for PPS), and ensure it's powered within 5.5-31 V. Refer to the mechanical specification diagram for mounting details.
What tools or software are needed for installation and configuration?
The GNSS Toolkit provides user and installation guidance, including software for monitoring and configuring the device. It supports setup via RS-232 interface using NMEA or MAVLink protocols.
Can I configure truFYX TSO for different protocols?
Yes, it can be configured for NMEA 0183 + RAIM or MAVLink via the RS-232 interface at 115200 bps.
How do I verify the installation using the GNSS Toolkit?
Connect via RS-232 and use the toolkit to monitor sentences like GPGGA for fix data, GPGSV for satellites in view, and RAIM for integrity checks.
How does truFYX ensure data integrity for navigation systems?
It employs advanced fault detection and exclusion technology to filter out erroneous data, ensuring only the most reliable data is used.
What maintenance does truFYX require?
truFYX is maintenance-free under normal conditions. However, annual software checks are recommended to ensure it runs the latest version.
What should I do if truFYX is not acquiring a GPS signal?
Ensure there are no obstructions to the sky view and check the power supply and wiring connections. If problems persist, refer to the troubleshooting section in the installation guide or contact support.
Where can I find the latest revision of the truFYX TSO documentation?
The datasheet is Rev G, NMEA ICD is Rev N (February 17, 2021), GNSS Toolkit Guide is Rev A (July 21, 2020), and User/Installation Guide is Rev C (October 4, 2021). Check uavionix.com for updates.
What is the GNSS Toolkit used for?
It's a software tool for monitoring, configuring, and troubleshooting truFYX TSO, including viewing satellite data and performance metrics.
I still have questions. Where do I go for customer support?
For additional customer support, please submit a Support Ticket to the uAvionix customer support team.
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