Systems

Engineering

Components

Ka-Band High Performance Feed

ViaSat-1 is a HTS (=High Throughput Satellite) owned by Viasat. Launched in 2011, it is the world’s highest capacity communications satellite with a total capacity in excess of 140 Gbit/s, more than all the satellites covering North America combined, at the time of its launch. The significant increase in capacity is achieved by a high level frequency re-use and spot beam technology which enables frequency re-use across multiple narrowly focused spot beams (usually in the order of 100s of kilometers).

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S- / X- / K-Band Feed

New antenna system for the German space center (DLR) ground station in Neustreliz for the reception of data from remote sensing satellites (LEO and GEO).

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Galileo S-Band Feeds TT&C

The Galileo Project is Europe’s initiative for a state-of-the-art global satellite navigation system, providing a highly accurate, guaranteed global positioning service under civilian control. The fully deployed system will consist of 30 satellites and the associated ground infrastructure.

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X- / K-Band Feeds for DSA2 & DSA3

The European Space Agency (ESA) runs several scientific exploration and research deep space missions e.g. Rosetta, Mars-Express, Venus-Express or space observatories like Herschel or Planck. To ensure a reliable communication with such deep space probes, ESA has built up a ground station antenna network all over the globe.

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Switching & Combining System

In order to bundle the many different TV channel signals to a limited amount of antennas, high performance Tx switching and combining systems are required to guarantee a continuous operation. Therefore during the last two decades MIRAD has not only been the prime provider of various feed systems for SES’s ground station antenna parc in Betzdorf, Luxembourg, but has also designed and manufactured a large amount of complex switching and combining systems, often consisting of 2×9 channels.

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European Data Relay Satellite System (EDRS)

The European Space Agency (ESA) is positioning several data-relay satellites in the geostationary orbit to relay information between non-geostationary satellites, spacecraft, airborne platforms and fixed ground-stations. The EDRS reduces time delays in the transmission of data intensive and time critical applications and ensures on-demand data availabilty at the right time at the right place.

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Q- / V-Band Feed

The Alphasat I-XL, launched in 2013, included beyond its main task several ESA TDPs (Technology Demonstration Payloads). TDP5 includes a Q-/V Band communications experiment to assess the feasibility of these bands for future commercial applications.

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Some of our Project Partners

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