December 2022: The Radionavigation Laboratory in April of 2022 “for the first time in the wild, [we] had a recording of a full-blown spoofing signal,” as a result of an experimental receiver deployed on the ISS “trained on a location in the eastern Mediterranean. […] Currently, Spire Global and HawkEye360 are using the proof in developing platforms capable of detecting and geolocating terrestrial GPS interference. Other organizations have shown interest as well.” Using a constellation, like that of Spire with over 100 in orbit, would leave “no place to hide” according to the RNL’s Dr. Humphreys. The full story is covered here by Kratos Defense.