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  2. Height above ground level - Wikipedia

    en.wikipedia.org/wiki/Height_above_ground_level

    In aviation, atmospheric sciences and broadcasting, a height above ground level (AGL [1] or HAGL) is a height measured with respect to the underlying ground surface.This is as opposed to height above mean sea level (AMSL or HAMSL), height above ellipsoid (HAE, as reported by a GPS receiver), or height above average terrain (AAT or HAAT, in broadcast engineering).

  3. Glossary of aerospace engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_aerospace...

    Above ground level – In aviation, atmospheric sciences and broadcasting, a height above ground level (AGL [1]) is a height measured with respect to the underlying ground surface. This is as opposed to altitude/elevation above mean sea level (AMSL), or (in broadcast engineering) height above average terrain (HAAT). In other words, these ...

  4. Height above mean sea level - Wikipedia

    en.wikipedia.org/wiki/Height_above_mean_sea_level

    Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level varies in different countries due to different reference points and historic measurement periods.

  5. List of aviation, avionics, aerospace and aeronautical ...

    en.wikipedia.org/wiki/List_of_aviation,_avionics...

    engineering Bill of Material EBU engine build-up EC engineering control (also E/C) ECAM electronic centralised aircraft monitor ECET end of civil evening twilight: ECR Engineering Change Request ECS Environmental control system ECU Engine Control Unit (=EEC) EDR engineering data record EDTO extended diversion time operations: EEC

  6. Sea level - Wikipedia

    en.wikipedia.org/wiki/Sea_level

    Height above mean sea level (AMSL) is the elevation (on the ground) or altitude (in the air) of an object, relative to a reference datum for mean sea level (MSL). It is also used in aviation, where some heights are recorded and reported with respect to mean sea level (contrast with flight level ), and in the atmospheric sciences , and in land ...

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  9. List of professional designations in the United States

    en.wikipedia.org/wiki/List_of_professional...

    A person who has attained eminence in some branch of engineering or in the arts and sciences related thereto, including the fields of engineering education and construction. [30] Fellow, American Society of Civil Engineers: F.ASCE: A prestigious honor held by 3% of ASCE members. [31] Member, American Society of Civil Engineers: M.ASCE [32]