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An airplane's DME interrogator uses frequencies from 1025 to 1150 MHz. DME transponders transmit on a channel in the 962 to 1213 MHz range and receive on a corresponding channel between 1025 and 1150 MHz. The band is divided into 126 channels for interrogation and 126 channels for reply. The interrogation and reply frequencies always differ by ...
To solve this problem, a delay is added to the response signal that varies based on the code sent from the interrogator. When received by an enemy that does not see the interrogation pulse, which is generally the case as they are often below the radar horizon , this causes a random displacement of the return signal with every pulse.
Typical US Air Force TACAN site using a dB Systems Model 900E TACAN Antenna. A tactical air navigation system, commonly referred to by the acronym TACAN, is a navigation system initially designed for naval aircraft to acquire moving landing platforms (i.e., ships) and later expanded for use by other military aircraft.
A VOR/DME ground station in Germany In radio navigation , a VOR/DME is a radio beacon that combines a VHF omnidirectional range (VOR) with a distance-measuring equipment (DME). [ 1 ] The VOR allows the receiver to measure its bearing to or from the beacon, while the DME provides the slant distance between the receiver and the station.
Logo for the International Certification Accreditation Council (ICAC) The International Certification Accreditation Council (ICAC) is an alliance of organizations dedicated to assuring competency, professional management, and service to the public by encouraging and setting standards for licensing, certification, and credentialing programs.
The Certification Authorities Software Team (CAST) is an international group of aviation certification and regulatory authority representatives. The organization of has been a means of coordination among representatives from certification authorities in North and South America, Europe, and Asia, in particular, the FAA and EASA.
James Elmer Mitchell (born 1952) is an American psychologist and former member of the United States Air Force.From 2002, after his retirement from the military, to 2009, his company Mitchell Jessen and Associates received $81 million on contract from the CIA to carry out the torture of detainees, referred to as "enhanced interrogation techniques" that resulted in little credible information.
The James J. Rowley Training Center [1] (JJRTC, RTC, or Secret Service Training Academy) is the law enforcement training center operated by the United States Secret Service just outside Washington, D.C., in South Laurel, Maryland, [2] near Laurel. It is named after former director James Joseph Rowley.