Fill in the Blanks
- Interference and distortion are ______________ effects.
- Coaxial cable networks carry many thousand ______________ channels.
- The two insulated conductors in the cable are often twisted together along the length of the cable, and are called a ______________ .
- There is a standard colour code for cable pair ______________
- In the case of an information signal, all the lost energy has to come from the ______________
- The surface wave is able to follow the ______________ of the earth as it travels.
- The skywave is directed upward into the ______________ .
- The scattering region of the ______________ is about 10 km above ground level.
- Typical terminal impedances range from ______________ to ______________ .
- To initiate a call a telephone ...
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