释义 |
Z-marker beacon Z-marker beacon[′zē ′märk·ər ‚bē·kən] (navigation) Transmitter equipment installed as part of a four-course radio range; it radiates vertically to indicate to aircraft when they pass directly over the range station; it is usually not keyed for identification. Z-marker beaconTransmitter equipment installed as part of a four-course radio-range. It radiates vertically to indicate to aircraft when they pass directly over the range station; it is usually not keyed for identification. Range stations and Z-markers are obsolete. |