Russia has stepped up satellite navigation jamming, especially around Moscow, in an apparent attempt to ward off any long-range strikes by Ukrainian drones.
Russia is known for interfering with global navigation satellite systems, in particular GPS, which is operated by the US military and is ubiquitous in smartphones, car satnavs and other devices. Updates from the monitoring site GPSJam show that Russian jamming activity has increased sharply within Russia (see map, above). The site gathers open-source data collected by commercial airliners, which…