2. For link to be maintained between a geosatellite and an earth station about 35,786 kmapart, calculate the carrier power (in dB) necessary giving the following antennacharacteristics:a. 60% efficiencyb. 2.5-cm wavelengthc. 1.3-m diameter transmitting dishd. 1.0-m diameter receiving dishe. To ensure high service quality, it is suggested that the carrier power at the receiverinput must be at least -116dBW.

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For link to be maintained between a geosatellite and an earth station about 35,786 km apart, calculate the carrier power (in dB) necessary giving the following antenna characteristics:

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Uplink and Downlink Segment

The uplink and the downlink are the terminologies that are used in the satellite communications. The data when sent from the ground to the satellite is called the uplink and data when sent from satellite to ground is called downlink. The uplink and the downlink process goes in parallel and this is also a two way communication.

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2. For link to be maintained between a geosatellite and an earth station about 35,786 km
apart, calculate the carrier power (in dB) necessary giving the following antenna
characteristics:
a. 60% efficiency
b. 2.5-cm wavelength
c. 1.3-m diameter transmitting dish
d. 1.0-m diameter receiving dish
e. To ensure high service quality, it is suggested that the carrier power at the receiver
input must be at least -116dBW.

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