Antennas and Communications

In recent years, SENER has supplied equipment and participated in various projects involving high and medium gain antenna pointing mechanisms for major scientific missions of the ESA, such as BepiColombo, Solar Orbiter and JUICE. In the development of these systems, SENER designs, verifies and integrates key communications elements in the mechanisms, such as antennas and rotary joints.

As well as skills in telecommunications engineering (radio frequency), the development of these components also requires specialists in the disciplines of mechanical and thermal engineering.

SENER is responsible for the design, development, manufacture, integration, testing and analysis. The tasks fall into two divisions:

  • Radiant elements: Medium and high gain antennas
  • Passive radio frequency (RF) elements and systems for signal routing

Steerable antennas

JUICE. Medium Gain Antenna Subsystem (MGAMA)

The Medium Gain Antenna Major Assembly (MGAMA) is a medium-gain dual-axis steerable antenna assembly that provides main uplink and downlink communications between the JUICE spacecraft and Earth. The MGAMA will be used in the TT&C (Telemetry, Tra... [+]

SOLAR ORBITER. High Gain Antenna Subsystem (HGA S/S)

The main objective of the project is to design, manufacture, integrate, test and deliver the satellite's complete antenna subsystem. This subsystem comprises four independent devices: High Gain Antenna Major Assembly (HGAMA) In turn, the HGAMA cons... [+]

RF components

K-band ‘I’ Style Waveguide Rotary Joint

The K-band ‘I’ Style Waveguide Rotary Joint is aimed to provide radiofrequency connectivity between spacecraft and any steerable antenna operating at K-band (25.5 GHz to 27 GHz range) with WR-34 waveguide interface. Its mechanical and  radiofr... [+]

X-Band ‘L’ Style Waveguide Rotary Joint

The X-band ‘L’ Style Waveguide Rotary Joint is aimed to provide radiofrequency connectivity between spacecraft and any steerable antenna operating at X-band (7.1 GHz to 7.3 GHz for uplink and 8.4 GHz to 8.6 GHz for downlink) with WR-112 wavegu... [+]

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