| 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 | 028 | 2800 feet QNE | | | / | | | Centre Latitude | 5543N | 55° 43' North' | | Centre Longitude | 00223W | 2° 23' West | | Radius of area affected | 002 | 2 nautical miles |
| | E BAND HIGH INTENSITY RADIO TRANSMISSION AREA ( HIRTA ) OPERATING WITHIN 1NM OF POSITION 554246N 0022232W ,( CHARTERHALL,SCOTTISH BORDERS ) LOW FLYING AREA 16 AND NIGHT SECTOR 2A.MAXIMUM HEIGHT 2302FT ABOVE GROUND LEVEL.26 / 09 / 199 / LFC SAFE DISTANCES CIVILIAN AIRCRAFT 0.5388NM 2302FT ABOVE GROUND LEVEL MILITARY AIRCRAFT SUSCEPTIBILITY VERY LOW 0.1836NM 143FT ABOVE GROUND LEVEL LOW 0.2304NM 427FT ABOVE GROUND LEVEL MEDIUM 0.2701NM 668FT ABOVE GROUND LEVEL HIGH 0.3782NM 1325FT ABOVE GROUND LEVEL PULSE LOW 0.2562NM 584FT ABOVE GROUND LEVEL PULSE MEDIUM 0.3504NM 1157FT ABOVE GROUND LEVEL PULSE HIGH 0.5389NM 2302FT ABOVE GROUND LEVEL |
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