A. If Satellite with a radius of 5.3m trans mitted a message at the frequency of 1.3 MHz to earth station. Determine; i. The wavelength, and time, in hour of the transmission ii. The centrifugal force of the satellite iii. The attenuation of the transmission B. The wavelength of a signal transmitted at 1000MS-1 is 700M. Determine the period of the transmission C. Analyze the conditions that can lead to satellite path diversity D. Explain handoff and discuss three types of satellite handoff

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A:

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Antenna Characteristics

The antenna is an important concept in the domain of electronics and communication engineering. An antenna forms an integral part of many commonly used devices such as wireless modems, routers, game controllers, mobile phones, bluetooth devices, and so on. In simple terms, any wireless communication makes use of antennas to serve the purpose. An antenna, also known by the term 'arial', is an electrical device that converts electrical signals into electromagnetic waves or electromagnetic waves into electrical signals. An antenna contains a transmission line usually made up of co-axial cable, it then receives the signals and converts them into electromagnetic waves, which are then transmitted via space into their required destination. A communication system essentially makes use of two antennas, a transmission antenna, which converts electrical signals into electromagnetic waves, and a receiving antenna, which receives the electromagnetic waves and converts them back into electrical signals.