Electromagnetic theory miscellaneous
- Indicate which of the following frequencies cannot be used for reliable beyond the horizon terrestrial communications without repeaters?
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NA
Correct Option: D
NA
- Indicate which of the following frequencies cannot be used for reliable beyond the horizon terrestrial communications without repeaters?
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NA
Correct Option: D
NA
- VLF waves are used for some types of services because—
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VLF waves are used for some types of services because they are very reliable.
Correct Option: C
VLF waves are used for some types of services because they are very reliable.
- Indicate which one of the following terms applies to troposcatter propagation—
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NA
Correct Option: B
NA
- To couple a coaxial line to a parallel-wire line, it is best to use a—
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NA
Correct Option: B
NA