Harp Technologies presented “Low-loss calibration switches for radiometers at the W-band” at the Microwave Technology and Techniques Workshop (MTT’17). The workshop took place in Noordwijk, the Netherlands, on April 3rd-5th, 2017. On this topic, Dr. Lahtinen of Harp Technologies presented new low-loss waveguide switches for the W-band, developed by the company. MTT’17 was organized by the European Space Agency (ESA) in collaboration with the Centre National d’Etudes Spatiales (CNES) and it was a premier event to present the status and trends in the fields of microwave systems and technologies for space and ground applications.