BK/ALS-175

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The BK/ALS-175 is an ultra-high-precision airborne-use digital distance-measuring instrument (DME) designed by Bendix/King, designed to give pilots a high-accuracy reading of their aircraft\'s distance from a ground-based DME station. Operating principle is based on a two-way, time-of-flight (TOF) determination process. The unit uses an antenna for transmitting and receiving, as well as a range signal processor and display. It also contains a microprocessor that is used to calculate distance, speed, altitude, location of the receiving station, and any other information that may be necessary for aircraft navigation.

The BK/ALS-175 is used mainly in the commercial aviation sector for instrument flight rules (IFR) navigation. It is also used in the private aviation sector, and military aviation, where accuracy and reliability of distance measurement is critical. The instrument is also used in ground-based applications such as air traffic control and airport surveillance.

The BK/ALS-175 operates on the principle of two-way time-of-flight measurement. When the aircraft is within range of the DME station, it transmits a signal that is then received by the BK/ALS-175 instrument. The instrument then calculates the distance between the aircraft and the DME station by timing the round-trip propagation of the radio signal. The time is measured from the moment the signal leaves the aircraft until it is received again by the instrument. The calculated distance is then displayed on the instrument\'s LCD or CRT screen.

The BK/ALS-175 also provides other information that is useful for navigation purposes, such as the location of the DME station, the aircraft\'s speed, altitude, and the course that the aircraft is flying. All of these parameters are displayed on the instrument\'s display. Additionally, the BK/ALS-175 can be used to calculate cross-tracks errors, which is very important for aircraft navigation.

The accuracy of the BK/ALS-175 is very high. It is designed to provide accurate measurements to within one nautical mile of the actual distance between the aircraft and the DME station, which is extremely precise for aircraft navigation purposes. The instrument has the capability to measure distances up to more than 190 nautical miles, depending on the transmission power and the quality of the DME station.

The BK/ALS-175 is seen as one of the most reliable and accurate instruments available for aircraft navigation. It is also highly regarded for its accuracy and precision. Its features and capabilities make it a very useful tool for commercial, private, and military aircraft. It is a reliable and practical device for aircraft navigation and should be considered by pilots who require accurate distance measurement.

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