[gene] For copyright purposes, this image conforms to PD-US-1923 Original copy of photograph from private collection of Stephen H. King PD-US 1923 Original photo from private collection of Stephen H. King Contrast and brightness of face enhanced by Chienlit on 20 November 2009. ... Found on http://en.wikipedia.org/wiki/AGL_(gene)
Above Ground Level, as a measurement of altitude above a specific land mass, and differentiated from MSL. Found on http://www.aerofiles.com/glossary.html
Above Ground Level. Altitudes are in reference either to Ground Level of Sea Level (see MSL). Skydivers always use AGL when referring to altitude Found on http://www.encyclo.co.uk/local/20082
(Above Ground Level) Altitude expressed as feet above the ground or terrain. It is usually set to indicate the airport field elevation during the pre-takeoff checklist. Found on http://www.sportpilot.org/learntofly/glossary.html
Above Ground Level, as a measurement of altitude above a specific land mass, and differentiated from MSL. Found on https://www.encyclo.co.uk/local/22323