| 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 | 003 | 300 feet QNE | | | / | | | Centre Latitude | 5108N | 51° 8' North' | | Centre Longitude | 00247W | 2° 47' West | | Radius of area affected | 001 | 1 nautical miles |
| | UNMARKED UNLIT MAST POSITION 510732N 0024644W ( WALTON,SOMERSET ) IN LOW FLYING AREA 2 AND NIGHT ROTARY REGION 2.HEIGHT 250FT ABOVE MEAN SEA LEVEL / 150FT ABOVE GROUND LEVEL 26 / 08 / 296 / LFC |
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