A Level Radio Digital Simple Receiver | Extras Non Exam >Radio< Simple TRF Superhet |
Radio |
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Radio communications are essential to modern life.
Here are a few examples.
Broadcast Radio - SImplex - A single direction of information flow
Radio (Voice and music)
TV
Radio paging
Radio - Half Duplex - Two way communication but only one way at a time
Taxi radios
Air traffic control
Marine and harbour operations
Radio - Full duplex - Two way simultaneous communication
Mobile phones
Emergency services telecoms
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