| GPS INTERFERENCE TESTING | The Federal Aviation Administration (FAA) has issued the following notice of GPS interference testing that may result in unreliable or unavailable GPS signal:
https://www.faasafety.gov/files/notices/2026/Sep/FTBRNC_26-80_GPS_Flight_Advisory_(Revision_1).pdf
The testing will be centered ~16 miles west of Fort Bragg, NC at 35° 8'30.00"N, 79°16'56.00"W (35.141667°, -79.282222°) (https://maps.app.goo.gl/UjoF6ctNzhQ9AXbS7) and could impact RTK users as follows:
*Ground-based RTK users: 22-nautical mile (NM) (25-mile) radius
*Airborne-based RTK users: 46-nautical mile (NM) (53-mile) radius
The testing will start on September 18th at 8:00 pm (0000Z). Each day will have a 2-hour break from 5:00 am to 7:00 am (0900Z to 1100Z). The testing will end at 8:00 pm (2359Z) on September 27th. | 9/16/2026 | 9/28/2026 | Warning |