Asked by Michael Jones
In __, the amplitude of the carrier wave is changed to transmit information; the frequency is not changed.
In __, the frequency of the carrier wave is changed
__ phones and __ phones use radio waves to transmit signals.
__ use electromagnetic signals from a base station
Communication __ enable radio signals to be sent from one part of Earth to another
The __ consists of satellites, ground-based stations, and portable units with receivers used to help locate objects on Earth.
In __, the frequency of the carrier wave is changed
__ phones and __ phones use radio waves to transmit signals.
__ use electromagnetic signals from a base station
Communication __ enable radio signals to be sent from one part of Earth to another
The __ consists of satellites, ground-based stations, and portable units with receivers used to help locate objects on Earth.
Answers
Answered by
drwls
AM; FM; cell phones; cordless phones; radio and television; satellites; GPS system
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