European safety regulators are ordering operators of Airbus A330s and A340s to incorporate a new emergency procedure to cope with blocked angle-of-attack sensors. The order follows an incident ...
Fabricated radio-wave absorber and measurement setup (a) at 30 GHz and (b) at 150 GHz. Measurement results at 30 GHz and (d) at 150 GHz. 5G wireless communication services have rapidly expanded ...