https://www.aopa.org/news-and-media/all-news/2020/january/14/gps-jamming-expected-in-southeast-during-military-exercise

GPS JAMMING EXPECTED IN SOUTHEAST DURING MILITARY EXERCISE

GPS reception may be unavailable or unreliable over a large portion of the southeastern states and the Caribbean during offshore military exercises scheduled between January 16 and 24.

Credit:Milspecopsmonkey via twitter!