GPS may be jammed for several hours per day in the SE US Jan 16-24

I thought this might be relevant to many:

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.

The FAA has posted a flight advisory for the exercises that will
require jamming of GPS signals for periods of several hours each day
of the event. Navigation guidance, ADS-B, and other services
associated with GPS could be affected for up to 400 nautical miles at
Flight Level 400, down to a radius of 180 nm at 50 feet above the

Marshall Eubanks