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PRINCIPLES OF RADIO
Bearing Measurement Systems
27 other sections not shown
accuracy aerial system air traffic control airborne aircraft altitude amplifier amplitude amplitude modulation angle antenna approach approximately attenuation automatic azimuth band bandwidth beacon beam beamwidth bearing carrier cathode ray tube cent centre line channel circuit civil aviation coverage cumulo-nimbus Decca Decca Radar detection diagram dipole direction finder display distance Doppler echo effect elevation equation equipment error factor flight flying give glide path height horizontal increase indicator installation interrogation ionosphere reflected ionospheric kc/s loop marker marker beacons maximum range Mc/s measurement meteorological modulation monitor nautical miles navigational noise obtained operation oscillator output pair pattern phase pilot plane polarization position lines practice precipitation propagation pulse length radiation ratio receiver reflection refractive refractive index rotation runway scan secondary radar shown in Figure signal speed stations switching target tion track transmission transmitter transponder tube unit velocity vertical voltage wavelength weather radar