DME Navigation System

KIM SENG TANG
Mind Map by KIM SENG TANG, updated more than 1 year ago
KIM SENG TANG
Created by KIM SENG TANG over 5 years ago
110
0

Description

For measuring slant distance

Resource summary

DME Navigation System
  1. Role
    1. Airborne DME
      1. Interrogator
      2. DME Ground Station
        1. Transponder
      3. Unit of Measurement
        1. Slant Range
          1. in nautical miles
          2. Time to Station
            1. in hour minute second
            2. Ground Speed
              1. in nautical miles per hour
            3. Airborne DME
              1. Control Panel
                1. Transceiver
                  1. Antenna
                    1. Display
                    2. Channels
                      1. X Channel
                        1. 12us pulse pair spacing
                          1. Ground signal is 63 MHz higher than Air signal
                          2. Y Channel
                            1. 36us pulse pair spacing
                              1. Ground signal is 63 MHz lower than Air signal
                            2. Radio Frequencies
                              1. 960 MHz and 1215 MHz
                                1. DME frequency is paired with VOR frequency
                                2. Slant Range Error
                                  1. Minimal
                                    1. Fly Far
                                      1. Fly Low
                                      2. Significant
                                        1. Fly Close
                                          1. Fly High
                                        2. Computation
                                          1. (120µs - 50µs) / 12.35µs nm
                                          2. Ground Station
                                            1. Civilian
                                              1. VOR/DME
                                                1. Slant Range
                                                  1. Bearing
                                                  2. ILS/DME
                                                    1. DME replaces Marker Beacons
                                                  3. Military
                                                    1. TACAN
                                                      1. Slant Range
                                                        1. Share with Civilian
                                                        2. Bearing
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