| Significance | Code | Meaning |
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| 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 | 010 | 1000 feet QNE | | | / | | | Centre Latitude | 5722N | 57° 22' North' | | Centre Longitude | 00724W | 7° 24' West | | Radius of area affected | 002 | 2 nautical miles |
| | E BAND HIGH INTENSITY RADIO TRANSMISSION AREA ( HIRTA ) IN LOW FLYING AREA 14 AND NIGHT SECTOR 1BW AT POSITION 572143N 0072337W,( DRIMORE,WESTERN ISLES ) RADIUS 1NM.MAXIMUM HEIGHT FT 500AGL.CONTACT 07789 909283 25 / 04 / 319 / LFC SAFE DISTANCES CIVILIAN AIRCRAFT 0.2503NM 143FT ABOVE GROUND LEVEL MILITARY AIRCRAFT SUSCEPTIBILITY VERY LOW 0.2381NM 73FT ABOVE GROUND LEVEL LOW 0.2509NM 146FT ABOVE GROUND LEVEL MEDIUM 0.2617NM 208FT ABOVE GROUND LEVEL HIGH 0.2912NM 377FT ABOVE GROUND LEVEL PULSE LOW 0.2374NM 69FT ABOVE GROUND LEVEL PULSE MEDIUM 0.2426NM 99FT ABOVE GROUND LEVEL PULSE HIGH 0.2531NM 159FT ABOVE GROUND LEVEL |
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