| 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 | 5503N | 55° 3' North' | | Centre Longitude | 00233W | 2° 33' West | | Radius of area affected | 031 | 31 nautical miles |
| | RADIO FREQUENCY JAMMING.JAMMERS LOCATED WITHIN 1NM RADIUS POSITION 550307N 0023329W ( SPADEADAM ). ACTIVITY MAY AFFECT AIRCRAFT WITHIN 30NM SURFACE TO 12100FT ABOVE MEAN SEA LEVEL OR ABOVE ( ALL DIRECTIONS ). MAY ALSO AFFECT AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAS CONTROL.FOR INFO / CEASE JAMMING 01697 749486 / 01697 749488.AR-2026-7259 / 01. |
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