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When a racon receives a radar pulse, it responds with a signal on the same frequency which puts an image on the radar display. This takes the form of a short line of dots and dashes forming a Morse character radiating away from the location of the beacon on the normal plan position indicator radar display. The length of the line usually ...
PAC-2 GEM+: 5,630 km/h (3,500 mph) PAC-3: 6,170 km/h (3,830 mph) The MIM-104 Patriot is a surface-to-air missile (SAM) system, the primary such system used by the United States Army and several allied states. It is manufactured by the U.S. defense contractor Raytheon and derives its name from the radar component of the weapon system.
This is an accepted version of this page This is the latest accepted revision, reviewed on 23 September 2024. Portable Document Format, a digital file format For other uses, see PDF (disambiguation). Portable Document Format Adobe PDF icon Filename extension.pdf Internet media type application/pdf, application/x-pdf application/x-bzpdf application/x-gzpdf Type code PDF (including a single ...
In look up mode 150 km for 5m 2 RCS (V1) [1] In look down mode 100 km for 5m 2 RCS (V1) [ 1 ] 120 km for KLJ-7A. The KLJ-7 , also referred to as the Type 1478, is an X band airborne fire-control radar (FCR) developed by Nanjing Research Institute of Electronic Technology (NRIET), also known as the China Electronics Technology Company's (CETC's ...
Diver recording sightings on a printed waterproof paper data sheet on a clipboard. Written messages on plastic slates can be used to convey complex messages with a low risk of misunderstanding. Slates are available in various sizes and are usually hard white plastic with a matte finish, suitable for writing on with a pencil.
This is a list of emoticons or textual portrayals of a writer's moods or facial expressions in the form of icons. Originally, these icons consisted of ASCII art, and later, Shift JIS art and Unicode art. In recent times, graphical icons, both static and animated, have joined the traditional text-based emoticons; these are commonly known as ...
Rare diseases, especially on Rare Disease Day [81][4] Houndstooth ribbon. 2011. Relief efforts in Tuscaloosa and northern Alabama following 27 April 2011 tornado (The pattern evokes former University of Alabama head football coach Bear Bryant, an icon of the city and its area.) [82] Orange and black ribbon. 1769.
Safety data sheet. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products. SDSs are a widely used type of fact sheet used to catalogue information on chemical species ...