| 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 | 5142N | 51° 42' North' | | Centre Longitude | 00210W | 2° 10' West | | Radius of area affected | 005 | 5 nautical miles |
| | GNSS ( GPS ) SIGNAL AND RADIO FREQUENCY JAMMING.JAMMERS LOCATED WITHIN 2NM RADIUS POSITION 514135N 0021024W ( AVENING ). ACTIVITY MAY AFFECT AIRCRAFT WITHIN 2NM SURFACE TO 30700FT 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 07753 418255 / 07966 516802 AR-2026-3430 / 01. |
|
