The Civil Aviation Authority (CAA) has confirmed it will be carrying out jamming activity in an area near Norfolk.
The jamming will take place between February 11 and 22 near the STANTA training area in Norfolk within 3NM of location 523230N 0004352E.
The activity may affect UAV control within 20NM (433-915MHz) and 13NM (2.5-5.8GHz) up to 40,000ft AMSL.
During the trials UAS command and control systems may suffer intermittent or total failure or give incorrect notification.
The CAA went on to confirm that GNSS jamming will also take place as part of this activity.
The activity is restricted to 5 occurrences per hour, and will last no longer than 2 minutes in duration.