| Significance | Code | Meaning |
|---|
| FIR | EGXX | UK Open 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 | 00234W | 2° 34' West | | Radius of area affected | 034 | 34 nautical miles |
| | JAMMING TRIAL AFFECTING AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND UAV C2 LINKS.NOT TO EXCEED 2 MIN DURATION WITH A MAXIMUM 5 SERIALS PER HOUR.JAMMERS LCA WITHIN 3NM RADIUS POSITION 550307N 0023330W ( SPADEADAM ). ACT MAY AFFECT AIRCRAFT WITHIN 30NM SURFACE TO 10000FT 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 01697 749321 OR 01697 749486 OR 01697 749488 OR 01697 749475.AR-2026-276 / 01. |
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