The CHEOPS satellite in the Maxwell test facility
![](https://cdn.sci.esa.int/documents/34122/35441/1567213988623-CHEOPS_in_Maxwell_test_chamber_20180914_2_625.jpg)
Date: 14 September 2018
Satellite: CHEOPS
Location: European Space Research and Technology Centre (ESTEC), Noordwijk, the Netherlands
Copyright: ESA–G. Porter
The CHEOPS satellite during preparations for ElectroMagnetic Compatibility (EMC) testing in the Maxwell test facility at ESA's technical centre in the Netherlands.
The 12-meter-high anechoic chamber of the Maxwell test facility is particularly large. It was designed to accommodate the 10-metre-high Automated Transfer Vehicles (ATVs) used for carrying cargo to the International Space Station. The black wall behind CHEOPS is covered with high-power dissipation absorbers that are able to absorb satellite transmissions without overheating, so that auto compatibility tests, of whether a satellite's own emissions interfere with its other subsystems, can be performed in the absence of reflections.