SAR-Lupe

A large data archive of images will be kept in a former Cold War bunker belonging to the Kommando Strategische Aufklärung (Strategic Reconnaissance Command) of the Bundeswehr.

They use an X-band radar with a 3-metre dish, providing a resolution of about 50 centimetres over a frame size of 5.5 km on a side ("spotlight mode", in which the satellite rotates to keep the dish pointed at a single target) or about 1 metre over a frame size of 8 km × 60 km ("stripmap mode", in which the satellite maintains a fixed orientation over the Earth, and the radar image is formed simply by the satellite's motion along its orbit).

XSAR of SAR-Lupe is observing in X-band (center frequency of 9.65 GHz corresponding to a wavelength of 3.1 cm).

After that, the satellite rolls back into its standby attitude and continues to charge its batteries, preparing itself for the next SAR image acquisition.

SARah-2 and SARah-3, passive-antenna synthetic aperture radar satellites built by OHB SE, were launched on Falcon 9 on 24 December 2023.

As a result, Bundeswehr officials state that OHB is responsible for building two replacement satellites.