ARRL Technician Practice Exam

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Which of the following is an application of APRS (Automatic Packet Reporting System)?

Storing voice messages
Providing real time tactical digital communications in conjunction with a map showing the locations of stations
Transmitting television signals
Creating digital music files

The correct answer is: Providing real time tactical digital communications in conjunction with a map showing the locations of stations

APRS, or Automatic Packet Reporting System, is designed primarily for real-time tactical digital communications. It integrates data transmission with geographical information, allowing users to see the locations of different stations on a map. This capability is particularly useful in contexts where situational awareness is critical, such as during outdoor events, emergency services, or even for tracking vehicles and other mobile stations. The system operates through packet radio, enabling users to send and receive location data, status messages, and various telemetry reports. Because of its unique function of combining location data with communication, APRS serves a focused role that is distinct from other systems that may involve voice messaging, television transmission, or music file creation, which fall outside its intended applications.