What is the front-to-back ratio of an antenna which radiates 500 watts in a northernly direction and 50 watts in a southernly direction?

What is the electrical wavelength of a 500 MHz signal?

For earth’s station transmitter with an output power of 40 dBw, a back-off loss of 13 dB, a total branching and feeder loss of 13 dB, and a transmit antenna gain of 40 dB, determine the EIRP.

The frequency of operation of a dipole antenna cut to a length of 3.4 m a. 88 MHz

If an antenna has a gain of 30 dB, it increases the output of the transmitter by

What is meant by SWR of a transmission line?

Refers to the direction of the electric field vector in space

How many cycles of a 1-MHz wave can a 6-mile transmission line accommodate?

What is the gain of an antenna over a half-wavelength dipole when it has 6 dB gain over an isotropic radiator

VHF radio wave signals are propagated

Frequencies in the UHF range propagate by means of

Calculate the time delay in nanosecond introduced by a 100 ft coaxial cable with a dielectric constant of 2.3.

The power fed to a two-bay turnstile antenna is 100 watts. If the antenna has a 2dB power gain, what is the effective radiated power

A transmission line consisting of center conductor, a plastic insulation, a fine wire braid shield and outer plastic insulation as a jacket

The shortest distance measured along the earth’s surface that a skywave is returned to eart

Whereas resonant antenna is bidirectional, non-resonant antenna is ____.

An antenna with unity gain

Two or more antennas are used, separated by several wavelengths

What is a disadvantage when using round rather than rectangular waveguide