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Wachtberg

Cologne region geography stubsMunicipalities in North Rhine-Westphalia
Burg Adendorf 8
Burg Adendorf 8

Wachtberg is a municipality in the Rhein-Sieg district, of North Rhine-Westphalia, Germany. It is situated approximately 15 km south of Bonn. In 2021 the Wachtberg municipality had approximately 20,352 inhabitants. The municipality was formed 1969 as a merger of 13 now incorporated villages. The town-hall is in the village of Berkum, approximately in the center of the area. The Rodderberg mountain is in the east of the Wachtberg district. The municipality is named after another volcanic mountain, the Wachtberg, (extinct for 25 million years, now with a height of 258 m) that is situated near the centre of the municipality.

Excerpt from the Wikipedia article Wachtberg (License: CC BY-SA 3.0, Authors, Images).

Wachtberg
Fraunhoferstraße,

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Geographical coordinates (GPS)

Latitude Longitude
N 50.616666666667 ° E 7.1333333333333 °
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Address

Fraunhoferstraße

Fraunhoferstraße
53343
North Rhine-Westphalia, Germany
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Burg Adendorf 8
Burg Adendorf 8
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TIRA
TIRA

The Tracking & Imaging Radar (TIRA) system serves as the central experimental facility for the development and investigation of radar techniques for the detection and reconnaissance of objects in space, and (to a certain degree) of air targets. TIRA has a 34-metre parabolic dish antenna is a monopulse radar operating at 1.333 GHz or 22.5 cm (L band) and 16.7 GHz or 1.8 cm (Ku band) wavelengths. The L-band is usually used for tracking debris with a 0.45° beam width, at 1 MW peak power. The system is capable of determining orbits from direction angles, range and Doppler shift for single targets. The detection size threshold is about 2 cm at 1000 km range. The radar conducts regular ‘beam park’ experiments, where the radar beam is pointed in a fixed direction on the celestial sphere for 24 hours, scanning 360° in a narrow strip a complete Earth rotation. The tracking sensitive can be enhanced when the TIRA system is used as a transmitter, part of a bistatic radar system. In conjunction with the Effelsberg Radio Telescope, functioning as a receiver, the combined system has a detection size threshold of 1 cm. The Ku-band is used for imaging in Inverse Synthetic Aperture Radar (ISAR) mode, with 13 kW peak power, the radar is capable of producing images with range resolutions better than 7 cm. The dish can be turned full 360° in azimuth with speed of 24° per second and 90° in elevation. The radar is protected by a radome with 47 meters diameter – one of the largest in the world. Due to its capabilities, the system is used as a radar tracking system for space debris and other in-orbit object in the ESA's Space Situational Awareness Programme (SSA).TIRA is located at the FGAN (50.6166°N 7.1296°E / 50.6166; 7.1296) site, in Wachtberg near Bonn, Germany. It is run by the Fraunhofer-FHR – the Fraunhofer-Institut für Hochfrequenzphysik und Radartechnik (High Frequency Physics and Radar Techniques).