| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | OB | Obstacle | | | CE | erected | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 012 | 1200 feet QNE | | | / | | | Centre Latitude | 5156N | 51° 56' North' | | Centre Longitude | 00258W | 2° 58' West | | Radius of area affected | 001 | 1 nautical miles |
| | UNCHARTED UNLIT MAST AT POSITION 515625N 0025740W ( LONGTOWN,HEREFORDSHIRE ) IN LOW FLYING AREA 4 AND NIGHT ROTARY REGION 7 NORTH.HEIGHT 1110FT ABOVE MEAN SEA LEVEL ( 110FT ABOVE GROUND LEVEL ). 25 / 01 / 038 / LFC |
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