16.7 miles is the maximum link distance to guarantee LOS, so the height of the towers must be: * 30 ft and 45 ft 80 ft and 20 ft Each 76 ft Each 35 ft Which waves type are used for long- range communications? * Surface wave Tropospheric wave lonospheric wave Stratospheric waves

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.37MCQ
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16.7 miles is the maximum link
distance to guarantee LOS, so the
height of the towers must be: *
30 ft and 45 ft
80 ft and 20 ft
Each 76 ft
Each 35 ft
Which waves type are used for long-
range communications? *
Surface wave
Tropospheric wave
lonospheric wave
Stratospheric waves
Transcribed Image Text:16.7 miles is the maximum link distance to guarantee LOS, so the height of the towers must be: * 30 ft and 45 ft 80 ft and 20 ft Each 76 ft Each 35 ft Which waves type are used for long- range communications? * Surface wave Tropospheric wave lonospheric wave Stratospheric waves
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