Over 60 hours of GPS outage in the Baltic region impacted hundreds of passenger aircraft this March, reports Rupert Holmes. The incident, which is by no means an isolated case, included 24 hours of interference across parts of Sweden, Germany and Poland, including the Baltic Sea, plus a further 40 hours focussed on Poland.
GPS jamming attacks, in which the weak satellite signals are blocked by terrestrial transmitters, have been observed for many years, however, the scale of this attack was
