d) Calculate the tower height that will be needed to transmit a clear signal to a distance of 39km
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- A station transmits with 50 Watts transmitter power and 6 dB antenna. A) What is the effective isotropic radiate power (EIRP) in W? (Use two decimal places for the final answer) B) What is the power density (mW/m^2) in a point that is 100 m away from the station? (Use two decimal places for the final answer)The effective span of an antenna is 2.147 m2 at an operating frequency of 100MHz. The antenna has no conduction or dielectric loss. The input impedance of the antenna is 75Ω and it is connected to a 50Ω transmission line. Find the directionality of the antenna system. (The term "system" here refers to the effects of binding to the transmission line.) It will be assumed that there is no polarization loss.To install an antenna with a line-of-sight transmission at a distance of 75 miles, determine the height of the receiving antenna if the transmitting antenna is 250ft.
- Please I need a 100 % correct answer some websites are answering the questions by using the frequency and some by using the effective aperture An antenna transmits a power of 2W from an antenna of 20db, towards a receiver located 40 km from the receiver, calculate the power received by an antenna of effective antenna 10 m^2 if the operating frequency is 11 KHz2.) A transmitter operating at 80 MHz has an output power of 1.5 kW which is fed to an antenna with a gain of 20 dB. Determine the "keep-out" distance (in meters) required to meet the safety standard.Q3 / A test signal ( sine wave 20kHz , 3V ) is used to modulate a carrier sinusoidal signal ( 1MHz , 7V ) using an AM - DSB LC system . calculate : ( a ) the total output power that would be delivered to the 550 antenna , ( b ) the USB power , ( c )transmission efficiency
- What is the height of a communications antenna required to cover a distance of 100km if it operates on 6GHz frequency? a. 588 m b. 125 m c. 250 m d. 100 m Plz do ASAP.....!If you check the voltage at one-half wavelength from the end of an RF transmission line, what voltage would you measure? A. Peak B. Infinite C. Minimum D. ZeroAt a modulation index of 2, how much power is in the first pair of sidebands of a 1000 watt FM transmitter? answer should be in watts
- At a certain time, the maximum usable frequency (MUF) for transmission at an angle of incidence of 75° is 20MHz. A) What is the critical frequency in MHz? (Use two decimal places for the final answer) B) What will be the optimum working frequency (OWF) in MHz? (Use two decimal places for the final answer)Derive the formula for maximum usable frequency and skip distance assuming earth is perfectly flat.Type your question here Broadcast transmitter transmits AM/DSB-LC signal with total average power of 60 KW and uses a modulation index of 0.8 for a sinusoidal message signal, calculate: 1. Carrier signal power (Pc). 2. Efficiency of transmission (n). 3. Maximum carrier signal amplitude if the antenna is represented as a 502 resistance (Ac).