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.

Galileo will be inter-operable with GPS and GLONASS, the two other global satellite navigation systems consisting of:

  • A constellation of 30 satellites in Medium-Earth Orbit (MEO)
  • 30-40 sensor stations
  • 3 control centers
  • 9 Mission Uplink stations
  • 5 telemetry, tracking and command (TT&C) stations

The ground control segment is responsible for the basic functionality of the Galileo satellites and their correct orbits. For this purpose 5 globally positioned ground control stations will be available.

Key technical challenges:

  • Compact Design by integration of (mechanically) large components in (electrically) small antennas
  • Precision measurements as the base for calibration measurements to satellite
  • Complex project management

Key functionalities:

  • RHCP and LHCP polarized Rx signals in the 2.200 to 2.300 GHz band
  • RHCP or LHCP Tx signal in the 2.025 to 2.120 GHz band
  • Compact monopulse tracking coupler design for broadband application
S-band Rx- and Tx-network

Project partner:
Vertex Antennentechnik GmbH, SES S.A., HITEC Luxembourg S.A.

S-band feed system with feed can

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