SECOR DME Meaning and
Definition
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SECOR DME stands for Selective Coherent Range Distance Measuring Equipment. It is a type of navigational aid used in aviation to determine the distance between an aircraft and a ground-based radio transmitter. SECOR DME operates based on a principle known as time-domain reflectometry.
The system functions by transmitting a radio frequency signal from the aircraft to the ground-based DME station. The DME station then sends a reply signal back to the aircraft. By measuring the time it takes for the signal to travel to the station and back, the SECOR DME calculates the slant range, or distance, between the aircraft and the station. This information is typically displayed on the aircraft's navigation equipment for the pilot's reference.
SECOR DME is a variant of standard DME that was developed for special applications. It differs from conventional DME in that it uses a coherent radar approach, which enables the system to operate over longer distances and account for variations in atmospheric conditions. This makes SECOR DME particularly useful in areas where precision navigation is required, such as during instrument approaches or in remote locations where other navigational aids may not be available.
Overall, SECOR DME plays an essential role in modern aviation, facilitating accurate distance measurements between aircraft and ground stations, thus enhancing safety and navigational capability in both domestic and international airspace.
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