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  2. Distance measuring equipment - Wikipedia

    en.wikipedia.org/wiki/Distance_measuring_equipment

    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 ...

  3. Tactical air navigation system - Wikipedia

    en.wikipedia.org/wiki/Tactical_air_navigation_system

    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.

  4. FM 2-22.3 Human Intelligence Collector Operations - Wikipedia

    en.wikipedia.org/wiki/FM_2-22.3_Human...

    When moved from the formal environment, "the source may experience a feeling of leaving the interrogation behind." The interrogator steers conversation toward the topic of interest, and "the source may never realize he is still being questioned." Two additional techniques require the approval of "the first O-6 in the interrogator's chain of ...

  5. The Compliance Team - Wikipedia

    en.wikipedia.org/wiki/The_Compliance_Team

    The company was founded by Sandra Canally, a former nurse oncologist, in 1994. [4]In 2006, The Compliance Team was formally granted national deeming authority by the Centers for Medicare and Medicaid Services as an accrediting body for all type of durable medical equipment (DME) including respiratory, mobility, woundcare, orthopedic, prosthetics, orthotics, diabetic, ostomy, and incontinence ...

  6. Identification friend or foe - Wikipedia

    en.wikipedia.org/wiki/Identification_friend_or_foe

    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.

  7. VOR/DME - Wikipedia

    en.wikipedia.org/wiki/VOR/DME

    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.

  8. Automatic Dependent Surveillance–Broadcast - Wikipedia

    en.wikipedia.org/wiki/Automatic_Dependent...

    Conceptual of the ADS-B system, illustrating radio links between aircraft, ground station and satellite. Automatic Dependent Surveillance–Broadcast (ADS-B) is an aviation surveillance technology and form of electronic conspicuity in which an aircraft determines its position via satellite navigation or other sensors and periodically broadcasts its position and other related data, enabling it ...

  9. Battelle Memorial Institute - Wikipedia

    en.wikipedia.org/wiki/Battelle_Memorial_Institute

    Battelle serves the following: Agribusiness: cannabis research, encapsulation, formulation, environmental fate, spray drift and droplet characterization; Ecology and environment: scientific data packages for researchers, air, water and soil analysis, assessment and remediation