Turn Key Phase Array Antennas
MEGA Advantages for MEOLUT
- 4 MEOLUT dishes replacement
- Planar antenna, zero moving no pointing needed
- Full compatible with SAR systems from GNSS of Galileo, Glonass & GPS
- Reception and processing up to 6 signals simultaneously
- Improve throughput and localisation accuracy
- Redundancy and disponibility
- Reliable, easy maintenance, no re-calibration
Celestia TTI develops phase array antenna systems for Multi Satellite tracking. Ground breaking technology for satellite ground station infrastructures. Gateways based in beam forming technologies capable of tracking simultaneous satellites optimizing capital investment. Key applications are TT&C and Satellite Communications in S/X/Ka bands, and Galileo Search & Rescue in L band.
MEGA is the new version of TTI MEOLUT phase array antenna for multi-beam electronic tracking of Galileo satellites for SAR service.
MEGA phase array antenna is able to predict presence and pointing directions of beams given the array and feeding complex vector. Compatible with all current and future SAR service systems including SAR/Galileo, SAR/Glonass and DASS.
With over 25 years of specialist experience and a 100-strong team based in Spain, we are a highly technological, innovative engineering company meeting the technology needs of customers around the world in the industries of space, telecommunication, defence & security, and science.
More info about our Turn Key Phase Array Antennas
MEGA phase array antenna is able to predict presence and pointing directions of beams given the array and feeding complex vector.
| TYPE | DESCRIPTION | FREQUENCY | DATASHEET |
|---|---|---|---|
| PA | Meolut multi-beam electronic antenna (MEGA) | L | Download |
Key Applications
TT&C Applications
Telemetry, Tracking & Command in S/X/Ka bands for institutional and commercial ground stations.
Satellite Communications
Solutions for commercial and defence Satcom and Earth Observation ground stations.
Galileo Search & Rescue
SAR service in L band with MEOLUT terminals for emergency location services.
Institutional Programmes
Earth Observation and scientific applications for space agencies and research.
Why Choose Phased Array Technology
No Moving Parts
Reliable antenna infrastructure with reduced downtime and minimal maintenance.
Graceful Degradation
System not sensitive to malfunction of individual antenna elements.
Simultaneous Tracking
Track multiple satellites without re-pointing times or handover.
Investment Optimisation
Reduces number of antennas needed and required footprint
Low Maintenance
Self-calibration capability with no mechanical parts to wear.
High Availability
Continuous signal reception without satellite handover times.
Frequently Asked Questions
What is a phased array antenna system?
A phased array antenna system is an advanced antenna technology that uses multiple radiating elements working together to electronically steer the beam direction without physically moving the antenna. By controlling the phase and amplitude of the signal at each element, the system can rapidly point the beam toward satellites or ground stations, enabling fast tracking and multi-beam capabilities. This technology is essential for modern satellite communications, offering superior performance in mobility, switching speed, and operational flexibility.
What are the main applications of Celestia TTI phased array systems?
Celestia TTI phased array systems serve critical applications across multiple sectors, including maritime communications for vessels requiring continuous connectivity, aerospace and defense platforms demanding reliable satellite links, emergency and disaster response operations, broadcast and media services, and mobile communications on land vehicles. These systems are particularly valuable in scenarios requiring rapid satellite switching, continuous connectivity during movement, or operation in challenging environments where traditional antennas face limitations.
What is the MEGA system?
The MEGA system is Celestia TTI’s flagship flat antenna array solution designed for for multi-beam electronic tracking of Galileo satellites for SAR service. It represents a complete, integrated platform combining advanced electronic beam steering, multi-satellite tracking capabilities, and robust performance in mobile environments. The MEGA system incorporates Celestia TTI’s expertise in RF engineering and antenna design to deliver reliable, high-performance connectivity for mission-critical operations across L-band and other frequency ranges.
What advantages do phased array systems offer over traditional parabolic antennas?
Phased array systems provide several key advantages: instantaneous beam steering without mechanical movement, enabling satellite switching in milliseconds rather than minutes; enhanced reliability with no moving parts subject to mechanical wear; graceful degradation where the system continues operating even if individual elements fail; compact form factor suitable for space-constrained platforms; multi-beam capability for simultaneous tracking of multiple satellites; and superior performance in motion, maintaining connectivity on moving platforms where traditional antennas struggle. These benefits make phased arrays ideal for modern, dynamic communication requirements.
In which frequency bands do Celestia TTI phased array systems operate?
Celestia TTI phased array systems are engineered to operate across multiple satellite communication bands, with particular expertise in L-band frequencies commonly used for SAR satellite services. The systems can be designed for various frequency ranges depending on customer requirements, including Ka-band frequencies commonly used for high-throughput satellite services and other commercial and military satellite bands. This flexibility allows Celestia TTI to serve diverse market segments from commercial maritime to defense applications.
Can Celestia TTI develop customised phased array solutions?
Yes, Celestia TTI specializes in developing customized phased array solutions tailored to specific customer requirements. Our engineering team works closely with clients to design systems optimized for their particular applications, frequency bands, platform constraints, and operational environments. Whether you need modifications to existing products or completely bespoke designs, Celestia TTI’s expertise in RF engineering, antenna design, and system integration enables us to deliver solutions that meet exact technical and operational specifications for demanding B2B applications.
What is Simultaneous Tracking and how do phased array antenna solutions support it?
Simultaneous Tracking enables the system to track multiple satellites at the same time without re-pointing delays or handover interruptions. This capability is powered by advanced phased array antenna solutions, which use electronic beam steering to maintain continuous, seamless connectivity across multiple satellites simultaneously.
What does 'graceful degradation' mean for the system?
Graceful degradation refers to the phased array system’s ability to continue operating effectively even when individual antenna elements fail or experience reduced performance. Unlike traditional parabolic antennas where a single failure can render the entire system inoperable, phased array systems distribute functionality across multiple elements. If some elements fail, the remaining elements compensate, maintaining communication capability with only minor performance reduction. This inherent redundancy significantly enhances system reliability and reduces downtime—critical factors for mission-critical applications in defense, maritime, and emergency response sectors.