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The second advance was the introduction of the automatic direction finder (ADF), which completely automated the RDF procedure. Once an ADF system was tuned to a station, either an airway beacon or an AM radio station, they continually moved a pointer to indicate the relative bearing with no further operator involvement.
An automatic direction finder (ADF) is a marine or aircraft radio-navigation instrument that automatically and continuously displays the relative bearing from the ship or aircraft to a suitable radio station. [3] [4] ADF receivers are normally tuned to aviation or marine NDBs (Non-Directional Beacon) operating in the LW band between 190 – 535 ...
Low-frequency radio range audio signals: N stream, A stream and combined uniform tone (simulated sounds) The low-frequency radio range, also known as the four-course radio range, LF/MF four-course radio range, A-N radio range, Adcock radio range, or commonly "the range", was the main navigation system used by aircraft for instrument flying in the 1930s and 1940s, until the advent of the VHF ...
ADF/Cofilin family, a family of actin-binding proteins; African dwarf frogs, a group of aquatic amphibians belonging to the pipid frog genus Hymenochirus; Alternate-day fasting, a variant of intermittent fasting; Augmented Dickey–Fuller test, used in time series analysis
A commercial push-button-based electronic shift selector made by Allison Transmission. Shift-by-wire is an automotive concept or system that employs electrical or electronic connections that replace the mechanical connection between the driver's gearshift mechanism and the transmission.
The high and tight as seen on a U.S. Marine. The high and tight is a military variant of the crew cut.It is a very short hairstyle, characterized by the back and sides of the head being shaved to the skin and the option for the top to be blended or faded into slightly longer hair.
ZF AS Tronic is an automated manual transmission made by ZF Friedrichshafen for the bus, motorcoach and lorry market in Europe and North America. It was first introduced in 2003. [1] [2] As is the case with most automated-manual transmissions, it lacks the torque converter that is standard on conventional automatic transmissions. The AS Tronic ...
Typically, the hair on the top of the head is long and is often parted on either the side or center, while the back and sides are buzzed very shorter or shaved. [1] It is closely related to the curtained hair of the mid-to-late 1990s, although those with undercuts during the 2010s tended to slick back and top gelled up the bangs away from the face.