It’s a minor problem for most of the military aircraft and vehicles. Civilian aircraft have other things they can use if they’re aware of the jamming but may no

It’s a minor problem for most of the military aircraft and vehicles. Civilian aircraft have other things they can use if they’re aware of the jamming but may not be aware of it. You need permission to work on gps jamming / anti-jamming so less official work on it. Took a long time to get a response too. Most of the jamming is around the Black Sea and other wars.