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Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...
Amateur teleprinting over radio (AMTOR) D-STAR (Digital Data) a high speed (128 kbit/s), data-only mode. Hellschreiber, also referred to as either Feld-Hell, or Hell a facsimile-based teleprinter. Discrete multi-tone modulation modes such as Multi Tone 63 (MT63) Multiple frequency-shift keying (MFSK) modes such as. FSK441, JT6M, JT65, and FT8.
Rayon, also called viscose [1] and commercialised in some countries as sabra silk or cactus silk, [2] is a semi-synthetic fiber, [3] made from natural sources of regenerated cellulose, such as wood and related agricultural products. [4] It has the same molecular structure as cellulose.
Sabbath mode. Sabbath mode, also known as Shabbos mode (Ashkenazi pronunciation) or Shabbat mode, is a feature in many modern home appliances, including ovens, [1] dishwashers, [2] and refrigerators, [3] which is intended to allow the appliances to be used (subject to various constraints) by Shabbat-observant Jews on the Shabbat and Jewish ...
In track-while-scan mode the radar has the ability to acquire and lock/track multiple targets while simultaneously providing a view of the surrounding airspace, which in turn aids the pilot and or operator in maintaining better situational awareness.
Hypervigilance is a condition in which the nervous system is inaccurately filtering sensory information and the individual is in an enhanced state of sensory sensitivity. This appears to be linked to a dysregulated nervous system which can often be caused by traumatic events or PTSD. [1] Normally, the nervous system releases stress signals (e.g ...
The aviation transponder interrogation modes are the standard formats of pulsed sequences from an interrogating Secondary Surveillance Radar (SSR) or similar Automatic Dependent Surveillance-Broadcast (ADS-B) system. The reply format is usually referred to as a "code" from a transponder, which is used to determine detailed information from a ...
Concept. Awareness is a relative concept. It may be focused on an internal state, such as a visceral feeling, or on external events by way of sensory perception. [3] It is analogous to sensing something, a process distinguished from observing and perceiving (which involves a basic process of acquainting with the items we perceive). [4]
In aviation, a terrain awareness and warning system ( TAWS) is generally an on-board system aimed at preventing unintentional impacts with the ground, termed "controlled flight into terrain" accidents, or CFIT. [1] The specific systems currently in use are the ground proximity warning system (GPWS) and the enhanced ground proximity warning ...
The Ronald Reagan Ballistic Missile Defense Test Site, commonly referred to as the Reagan Test Site (formerly Kwajalein Missile Range ), is a missile test range in Marshall Islands ( Pacific Ocean ). It covers about 750,000 square miles (1,900,000 km 2) and includes rocket launch sites at the Kwajalein Atoll (on multiple islands), Wake Island ...