This is a corrected version of this alert. The original version had the wrong dates in the title:
Jamming activity will take place 17 – 28 August 2020, affecting airspace above Wales and the SW of England.
The activity may affect GNSS navigation and precision timing devices including electronic situational awareness devices and UAV’s (drones). Jamming may impact GNSS signals up to 40,000FT AMSL within 62NM of N52° 00’ 53”, W003° 38’ 31” (Sennybridge).
During the trials systems relying on GNSS reception may suffer intermittent or total failure.
Activity restricted between 0900 –1800 BST
For further information email: firstname.lastname@example.org
Emergency cease jamming contact: 01874 635599 or 01980 953785