| 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 | 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 | 4953N | 49° 53' North' | | Centre Longitude | 00545W | 5° 45' West | | Radius of area affected | 034 | 34 nautical miles |
| | GNSS ( GPS ) SIGNAL AND RADIO FREQUENCY JAMMING ( L1,L2,L5 AND COMMON ISM FREQUENCIES ). JAMMING LOCATED WITHIN AREA BOUNDED BY 500711N 0050525W-500521N 0045820W-493321N 0053256W-492438N 0060723W-493957N 0063122W-500352N 0054225W-500711N 0050525W ( PREDANNACK AERODROME ). ACTIVITY MAY AFFECT AIRCRAFT SURFACE-40,000FT ABOVE MEAN SEA LEVEL OR ABOVE ( ALL DIRECTIONS ). MAY ALSO AFFECT AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS CONTROL.MULTIPLE DAILY TESTS NOT TO EXCEED 5 MINUTE DURATION EACH.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 07792 170394 / 07541 606962.FOR MORE INFO SEE AIC P046 / 2023.AR-2026-4814 / 01. |
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