| 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 | 5120N | 51° 20' North' | | Centre Longitude | 00259W | 2° 59' West | | Radius of area affected | 012 | 12 nautical miles |
| | GNSS ( GPS ) SIGNAL AND RADIO FREQUENCY JAMMING.JAMMERS LOCATED WITHIN AREA BOUNDED BY 512102N 0025953W-512102N 0025817W-512046N 0025758W-512008N 0025814W-511940N 0025830W-511935N 0025924W-511940N 0030023W-512102N 0025953W ( WESTON-SUPER-MARE ). ACTIVITY MAY AFFECT AIRCRAFT WITHIN 10NM SURFACE TO 30000FT 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 07889 657440 AR-2026-3654 / 01. |
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