| Significance | Code | Meaning |
|---|
| FIR | EGPX | Scottish FIR | | | / | | | Qualifiers | Q | | | | RO | Overflying restriction | | | 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 | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 018 | 1800 feet QNE | | | / | | | Centre Latitude | 5517N | 55° 17' North' | | Centre Longitude | 00143W | 1° 43' West | | Radius of area affected | 001 | 1 nautical miles |
| | E BAND HIGH INTENSITY RADIO TRANSMISSION AREA ( HIRTA ) OPERATING WITHIN 0.5NM OF POSITION 551700N 0014249W ( FELTON,NORTHUMBERLAND ) LOW FLYING AREA 12 AND NIGHT SECTOR 4AN.MAXIMUM HEIGHT 1500FT ABOVE GROUND LEVEL.26 / 07 / 035 / LFC SAFE DISTANCES CIVILIAN AIRCRAFT 0.315NM 1438FT ABOVE GROUND LEVEL MILITARY AIRCRAFT SUSCEPTIBILITY MEDIUM 0.1305NM 315FT ABOVE GROUND LEVEL HIGH 0.1799NM 616FT ABOVE GROUND LEVEL PULSE LOW 0.1396NM 370FT ABOVE GROUND LEVEL PULSE MEDIUM 0.1981NM 726FT ABOVE GROUND LEVEL PULSE HIGH 0.3153NM 1438FT ABOVE GROUND LEVEL |
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