Between Earth and space: stratosphere-compatible, solar-powered high-altitude aircraft, known as HAPs (High Altitude Platforms), offer a sustainable alternative to satellites for Earth observation and communication. They are reusable, cost-effective and flexible in use. The DLR joint project HAP-alpha is developing such a technology demonstrator and is endeavoring to establish a complete system capable of permanent operation. The aim is for DLR to build up comprehensive expertise for the development of high-performance, high-flying solar aircraft and to play an active role in shaping the legal framework. In summer 2025, the HAP-alpha successfully passed a ground vibration test.

Many U.S. companies of all sizes grow their businesses by exporting products and services to buyers around the world. If you want to start or expand your int...

Model-Based Systems Engineering (MBSE) is a methodology that integrates design, analysis, and verification activities throughout the system lifecycle using architecture models. By modeling requirements, functions, structure, and behavior, MBSE supports consistent and informed decision-making. Ansys SAM (System Architecture Modeler) supports the latest system modeling language, SysML v2, and enables both graphical and textual modeling, real-time collaboration, and model management. Ansys ModelCenter integrates various engineering tools and builds automated workflows, enabling what-if simulations and trade studies. By connecting architecture models with simulation models, it supports consistent design analysis and requirements validation using a single source of truth (ASoT).

specialized heat shrink tubing for the defense industry, with international standards such as QPL SAE AS23053, DEF STAN 59-97, VG 95343, and BS G198.

Sung Jin’s Nano Miniature Connector is applied twist pin for low engagement and separation force. Nano Miniature connector has a .025 inch contact space, and #30AWG, #32AWG of wire sizes are accepted. Innovative contact system that allows current of 1AMP ensures excellent electrical performance and characteristics. Sung Jin C&T’s Nano D miniature connector is designed to meet MIL-DTL-32139 standards and guarantees excellent mating performance and environment.

The engine is suitable for MALE AUVs. Available in pusher and tractor configurations. Digital interface for control and monitoring. Stable operation at high altitudes and high temperatures. Ability to run at cold temperatures below -30°C without preheating.

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Radio interference on telecommunications / broadcasting satellites operating in and outside of the country may result in degradation and interference of telecommunications / broadcasting. This system searches the interfering sources by TDOA / FDOA.