15-me­tre S-band an­ten­nas

One of the two 15-metre S-band antennas
One of the two 15-me­tre S-band an­ten­nas
Image 1/2, Credit: DLR (CC BY-NC-ND 3.0)

One of the two 15-metre S-band antennas

The S-band transceiv­er sys­tem con­sists of two 15-me­tre S-band an­ten­nas. The an­ten­nas re­ceive satel­lite da­ta or send com­mands to satel­lites.
Operating site II in Weilheim
Op­er­at­ing site II in Weil­heim
Image 2/2, Credit: DLR (CC BY-NC-ND 3.0)

Operating site II in Weilheim

The op­er­at­ing site II in Weil­heim com­pris­es the mul­ti-mis­sion con­trol room, the equip­ment room, the com­pat­i­bil­i­ty test­ing room, a soft­ware lab­o­ra­to­ry and of­fices.

These two 15-metre antennas of the German Aerospace Center (DLR) are used for communicating with satellites in geostationary and low Earth orbit. Both antennas function in the same way but differ slightly in terms of their technical equipment. They are operated in a Cassegrain system and can be aligned using an electrical elevation/azimuth system equipped with automatic target tracking. As the antennas are mainly used for satellites in low Earth orbit, the propulsion system is designed for high rotational velocities of up to 15 degrees per second.

Data from spacecraft can be received and processed in the S-band frequency range (2200–2300 megahertz). One of the two antennas is also equipped for receiving X-band frequencies (8400–8500 megahertz), and commands are sent to the spacecraft in S-band frequencies (2025–2110 megahertz). In addition, the antennas can be used to determine the orbit of spacecraft.

Contact
  • Volker Speelmann
    Head of Cen­tral Ex­pen­di­ture Man­age­ment
    Ger­man Aerospace Cen­ter (DLR)
    Telephone: +49 2203 601-4103
    Fax: +49 2203 601 4115
    Linder Höhe
    51147 Cologne
    Contact
  • Rolf Kozlowski
    Ger­man Aerospace Cen­ter (DLR)
    Space Op­er­a­tions and As­tro­naut Train­ing
    Com­mu­ni­ca­tions and Ground Sta­tions
    Telephone: +49 8153 28 3136
    Fax: +49 8153 28 1451
    Münchener Straße 20
    82234 Oberpfaffenhofen-Wessling
    Contact

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