| 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 | 011 | 1100 feet QNE | | | / | | | Centre Latitude | 5721N | 57° 21' North' | | Centre Longitude | 00722W | 7° 22' 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 572033N 0072130W,( DRIMORE,WESTERN ISLES ) RADIUS 1NM.MAXIMUM HEIGHT 500FT ABOVE GROUND LEVEL.CONTACT 07789909283 25 / 04 / 317 / LFC SAFE DISTANCES CIVILIAN AIRCRAFT 0.0437NM 143FT ABOVE GROUND LEVEL MILITARY AIRCRAFT SUSCEPTIBILITY VERY LOW 0.0314NM 73FT ABOVE GROUND LEVEL LOW 0.0442NM 146FT ABOVE GROUND LEVEL MEDIUM 0.0551NM 208FT ABOVE GROUND LEVEL HIGH 0.0846NM 377FT ABOVE GROUND LEVEL PULSE LOW 0.0308NM 69FT ABOVE GROUND LEVEL PULSE MEDIUM 0.0360NM 99FT ABOVE GROUND LEVEL PULSE HIGH 0.0465NM 159FT ABOVE GROUND LEVEL |
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