What people are saying - Write a review
We haven't found any reviews in the usual places.
Basic Antenna Characteristics
3 other sections not shown
180 degrees aircraft altitude amateur bands angle antenna array ANTENNA Fig antenna pattern antenna system atmosphere basic antenna beam center-fed centimeters channels characteristics citizens band coaxial cable communications decibels dipole antenna distance doublet antenna driven element electrical length electron energy equipment example fed in phase feed frequency bands gain glide slope ground-wave coverage half wavelength half-wave antenna half-wave dipole horizontal impedance increases installed ionosphere layer light ray loading coil lobes loop maximum signal megacycles meter microwave miles minimum mobile mounted navigation one-half wavelength operating frequency parabolic parasitic elements point Q propagation pulses quarter-wave quencies radar radiation patterns radio direction finder radio waves range reflected reflector refraction resonant rhombic antenna short circuit shown in Fig sky wave sky-wave space standard dipole television tenna transmission line transmitter transmitting antenna tuned twinlead typical vector velocity vertical antenna voltage water vapor watts wavelength wavelength long whip wire Yagi