| 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 | 5138N | 51° 38' North' | | Centre Longitude | 00459W | 4° 59' West | | Radius of area affected | 004 | 4 nautical miles |
| | RADIO FREQUENCY JAMMING ( INDUSTRIAL SCIENTIFIC AND MEDICAL BANDS 915MHZ,2.4GHZ,5GHZ ). JAMMERS LOCATED WITHIN 1NM RADIUS POSITION 513751N 0045847W ( CASTLEMARTIN ). ACTIVITY MAY AFFECT AIRCRAFT WITHIN 2NM SURFACE TO 3500FT ABOVE MEAN SEA LEVEL OR ABOVE ( ALL DIRECTIONS ). MAY AFFECT AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS CONTROL.NOT TO EXCEED 1 MINUTE DURATION.SOME ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS SYSTEMS MAY SUFFER INTERMITTENT / TOTAL FAILURE.FOR INFO / CEASE JAMMING 07824 341204 / 07766 162573.AR-2026-5454 / 01. |
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