| 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 | 027 | 2700 feet QNE | | | / | | | Centre Latitude | 5525N | 55° 25' North' | | Centre Longitude | 00136W | 1° 36' West | | Radius of area affected | 001 | 1 nautical miles |
| | E BAND HIGH INTENSITY RADIO TRANSMISSION AREA ( HIRTA ) OPERATING WITHIN 0.5NM OF POSITION 552519N 0013558W ( ALNWICK,NORTHUMBERLAND ) LOW FLYING AREA 12 AND NIGHT SECTOR 4AN.MAXIMUM HEIGHT 2500FT ABOVE GROUND LEVEL.26 / 07 / 038 / LFC SAFE DISTANCES CIVILIAN AIRCRAFT 0.4578NM 2302FT ABOVE GROUND LEVEL MILITARY AIRCRAFT SUSCEPTIBILITY VERY LOW 0.1026NM 143FT ABOVE GROUND LEVEL LOW 0.1494NM 427FT ABOVE GROUND LEVEL MEDIUM 0.1891NM 668FT ABOVE GROUND LEVEL HIGH 0.2872NM 1325FT ABOVE GROUND LEVEL PULSE LOW 0.1752NM 584FT ABOVE GROUND LEVEL PULSE MEDIUM 0.2694NM 1157FT ABOVE GROUND LEVEL PULSE HIGH 0.4576NM 2302FT ABOVE GROUND LEVEL |
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