Q Post 4322, Instrument Landing System Glide Path MAYBE this post is meant for somebody besides ANONS?  Looks interesting. ANY IDEA? WHATEVER IS LANDING Q APPROVES. LOL. 4322 Instrument Landing System Approach Looks Good Q !!Hs1Jq13jV6 24 May 2020 - 8:10:48 PM Anonymous 24 May 2020 - 8:09:14 PM 9303289 Damn right Q. We're on course on glidepath. Anons are on it. 9303304 ILS approach looks good. Q https://qmap.pub/read/4322 "INSTRUMENT LANDING SYSTEM GLIDE PATH, commonly referred to as a glide path (G/P) or glide slope (G/S), is "a system of vertical guidance embodied in the instrument landing system which indicates the vertical deviation of the aircraft from its optimum path of descent", according to Article 1.106 of the ITU Radio Regulations. Principle of operation A glide slope station uses an antenna array sited to one side of the runway touchdown zone. The GS signal is transmitted on a carrier signal using a technique similar to that for the localizer. The centre of the glide slope signal is arranged to define a glide path of approximately 3° above horizontal (ground level). The beam is 1.4° deep (0.7° below the glide-path centre and 0.7° above). The pilot controls the aircraft so that the glide slope indicator remains centered on the display to ensure the aircraft is following the glide path to remain above obstructions and reach the runway at the proper touchdown point (i.e. it provides vertical guidance)." https://en.wikipedia.org/wiki/Instrument_landing_system_glide_path "An instrument landing system (ILS) is a system that works by sending radio waves downrange from the runway end, with aircraft that intercept it using the radio waves to guide them onto the runway. It is defined by the International Telecommunication Union as a service provided by a station as follows: A radionavigation system which provides aircraft with horizontal and vertical guidance just before and during landing and, at certain fixed points, indicates the distance to the reference point of landing." https://en.wikipedia.org/wiki/Instrument_landing_system "The ILS LOC aerials are normally located at the end of the runway; they transmit two narrow intersecting beams, one slightly to the right of the runway centreline, the other slightly to the left which, where they intersect, define the "on LOC" indication. Airborne equipment provides information to the pilot showing the aircraft’s displacement from the runway centreline. The ILS GS aerials are normally located on the aerodrome; they transmit two narrow intersecting beams, one slightly below the required vertical profile and the other slightly above it which, where they intersect, define the "on GS" indication . Aircraft equipment indicates the displacement of the aircraft above or below the GS. The GS aerials are usually located so that the glide-slope provides a runway threshold crossing height of about 50 ft. The usual GS angle is 3 degrees but exceptions may occur, usually to meet particular approach constraints such as terrain or noise abatement." https://www.skybrary.aero/index.php/Instrument_Landing_System_(ILS)