How Power and Data Links Work in Tethered Drones Tethered drones, also known as Tethered Unmanned Aerial Systems (TeUAS) are a specialized class of Unmanned Aerial Systems (UAS). Unlike conventional drones that rely on batteries and wireless communication, tethered drones are physically connected to a ground station via a cable that supplies continuous power and […]
What is a Variable Height Antenna (VHA)? Zenith Quad-L mounted with Silvus 4200, Silvus 4400 and Persistent Systems MPU5 Radios A variable height antenna is a communication or signal relay system that can be dynamically positioned at different altitudes to optimize performance. Traditionally, antennas are fixed to ground-based structures, limiting their […]