| 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 | 5040N | 50° 40' North' | | Centre Longitude | 00326W | 3° 26' West | | Radius of area affected | 011 | 11 nautical miles |
| | GNSS ( GPS L1 AND L2 ) SIGNAL AND RADIO FREQUENCY JAMMING.JAMMERS LOCATED WITHIN 1NM RADIUS POSITION 503949N 0032624W ( EXMOUTH ). ACTIVITY MAY AFFECT AIRCRAFT WITHIN 9NM SURFACE TO 15500FT ABOVE MEAN SEA LEVEL OR ABOVE ( ALL DIRECTIONS ). GNSS ( GPS ) RECEIVERS MAY SUFFER INTERMITTENT OR TOTAL FAILURE OR MAY PROVIDE INCORRECT POSITION,NAVIGATION AND TIMING INFORMATION.AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES,UAS CONTROL SYSTEMS AND UAS GNSS RECEIVERS MAY SUFFER INTERMITTENT OR TOTAL FAILURE OR MAY PROVIDE INCORRECT POSITION OR ALERTING INFORMATION.FOR INFO / CEASE JAMMING 07458 670103 / 07458 673474.AR-2026-6865 / 01. |
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