| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | GW | GNSS Area-wide operations | | | XX | miscellaneous plain language | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | N | For immediate attention of aircraft operators | | | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5113N | 51° 13' North' | | Centre Longitude | 00149W | 1° 49' West | | Radius of area affected | 008 | 8 nautical miles |
| | RADIO FREQUENCY JAMMING ISM ( LICENCE EXEMPT ) FREQUENCIES IMPACTING DRONE C2 AND ELECTRONIC SITUATIONAL AWARENESS ( 433MHZ,868MHZ,915MHZ,2.4GHZ,5.8GHZ ) AND GNSS ( L1,L2,L5 ). JAMMERS LOCATED WITHIN 1NM RADIUS POSITION 511233N 0014918W ( LARKHILL ). ACTIVITY MAY AFFECT AIRCRAFT WITHIN 6NM SURFACE TO 10800FT ABOVE MEAN SEA LEVEL OR ABOVE ( ALL DIRECTIONS ). MAY ALSO AFFECT AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS CONTROL.GNSS ( GPS ) RECEIVERS MAY SUFFER INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT POSITION INFO.SOME ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS SYSTEMS MAY SUFFER INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT NOTIFICATION.FOR INFO / CEASE JAMMING 03001 661987 / 07855 191583.AR-2026-3772 / 01. |
|
