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Test & Measurement

Airspace World 2023: Rohde & Schwarz launches drone based analyzer for efficient ATC air navigation signal inspection

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Rohde & Schwarz will launch its R&S EVSD1000 VHF/UHF nav/drone analyzer at Airspace World 2023 in Geneva from March 8 to 10, 2023. The analyzer provides highly accurate and efficient drone inspection of terrestrial navigation and communications systems along with outstanding accuracy and the measurement repeatability customers need

Caption: R&S EVSD1000 has specifically been designed to provide a mounting adaptor for installation onto medium-size drone types. (Image: Rohde & Schwarz)

Civil aviation requires accurate and reliable navigation systems for optimizing air traffic control (ATC) and ensuring the essential public safety while mitigating aircraft risks, delays and costs. Terrestrial air navigation systems, such as landing systems or en-route navigation systems require unique test and measurement capabilities.

The R&S EVSD1000 VHF/UHF nav/drone analyzer is a signal level and modulation analyzer for mediumsized drones. It is the only instrument that combines measurements of instrument landing systems (ILS), ground-based augmentation systems (GBAS) and VHF omnirange (VOR) ground stations in a single box. The mechanical and electrical design is optimized for drone based, real-time measurements of terrestrial navigation systems with up to 100 measurement data sets per second.

The analyzer provides high-precision signal analysis in the frequency range from 70 MHz to 410 MHz, a critical requirement for drone based terrestrial navigation signal measurement systems. This also includes the needed measurement repeatibility to ensure that results from drone measurements can be compared to flight and to ground inspections in line with ICAO standards.

The analyzer is ideal for drone-based ground station testing in the perimeter of an airport. At 1.5 kg, the instrument’s weight allows usage of a medium-sized drone to perform measurements on ILS/VOR systems in line with the ICAO standards.

Customer benefits include reduced runway blocking times compared to conventional methods (manual measurements, mast measurements), significantly reducing costs while providing the necessary measurement repeatability, measurement precision and GNSS time and location stamps. While streaming measurement data during a drone flight via the data link to a PC on the ground, the analyzer can buffer this data internally to ensure that no results are lost if the data link is lost. This ensures gapless measurements and easy reporting.

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