Helzel Messtechnik GmbH specialises in the development and production of environmental and oceanographic measurement systems. The company is known for its WERA system, a shore-based high-frequency radar used for remote sensing of ocean surface currents, waves, and wind, providing real-time data for applications such as coastal management, offshore operations, disaster preparedness, and research. Helzel Messtechnik also offers the OTHR (over-the-horizon radar) system for ship tracking and maritime surveillance. Its products are designed for flexibility, supporting both compact and array antenna configurations, and are installed in more than 25 countries worldwide. The company provides comprehensive services including system configuration, training, and support, often in cooperation with local partners and research institutes. Its solutions are used by public authorities, offshore operators, system integrators, and research organizations for reliable, high-quality oceanographic data and maritime monitoring.[3][4][5]