Turning Head Antenna
The OHB DC turning head antenna system, often simpler and smaller than full-motion systems, is commonly used in satellite communication applications that do not require continuous, real-time tracking but still benefit from flexible orientation. These systems rotate on a single axis (often azimuth) and typically tilt within a limited range (elevation), making them suitable for stationary or semi-fixed applications that need periodic repositioning rather than active, full-motion tracking.
THA dimensions range: 7,5m – 13,5m
- Dimension range:
[7,5m…13m] - Frequency bands:
[S, C, X, Ku, Ka] - Feed system:
[mono-band, dual-band]
Key Applications
Fixed Satellite Communication Stations
Turning head antennas are widely used in ground stations communicating with satellites in geostationary orbit (GEO). Since GEO satellites remain fixed relative to the Earth’s surface, these antennas only need to be adjusted occasionally, making them more cost-effective for such applications.
This setup is ideal for broadcasting, telecommunication, and internet service providers who need consistent satellite alignment without active, dynamic tracking.
Low and Medium Earth Orbit Satellite Support
While not typically used for continuous LEO and MEO tracking, turning head antennas can periodically reposition to establish connections with satellites passing overhead.
This intermittent tracking is useful for data collection from earth observation, remote sensing, or scientific satellites during their passes, especially in applications that do not require continuous connectivity.
Disaster Recovery and Emergency Communication:
During disasters, a turning head antenna system provides a rapid-deployment solution for satellite communication. Its simplicity and ease of setup make it ideal for emergency responders who need to establish temporary communication links with GEO satellites.
The system offers vital connectivity for voice, video, and data transfer in areas where terrestrial networks have been damaged or are unavailable.
Fixed Maritime and Remote Location Communication:
While full-motion antennas are often necessary for mobile applications, fixed maritime and remote sites benefit from turning head antennas when tracking GEO satellites for high-speed broadband connectivity.
IoT and M2M (Machine-to-Machine) Communication:
Turning head antennas are commonly used for IoT applications, especially in industrial sectors like energy, agriculture, and transportation, where low-data-rate, periodic communication with satellites is sufficient.
The antenna adjusts periodically to connect with passing satellites, transmitting telemetry or IoT data on intervals, making it cost-effective for wide-scale, intermittent communication.
Benefits
- Cost-Effective: Simpler and less expensive than full-motion systems, making them an economical choice for applications that don’t need continuous tracking.
- Energy Efficient: Requires less power for operation, suitable for remote and off-grid installations.
- Easy Deployment: Quicker to install and configure, especially useful for emergency, temporary, and semi-fixed applications.
- Low Maintenance: Due to fewer moving parts, turning head antennas have lower maintenance needs, ensuring longer operational life.