ARRL Technician Practice Exam

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What does the term "APRS" mean?

Automatic Packet Reporting Service
Automated Position Relay System
Automatic Packet Reporting System
Advanced Position Reporting System

The correct answer is: Automatic Packet Reporting System

The term "APRS" stands for Automatic Packet Reporting System. This is a digital communication protocol used by amateur radio operators to transmit real-time data, including GPS location information, weather data, and other telemetry. The system operates using packet radio technology, allowing users to send short messages that can include positional information. APRS is particularly valuable for tracking the location of mobile stations and for providing information to other users in the APRS network. It utilizes a network of digipeaters and can be accessed by various devices including radios, smartphones, and computers, making it a versatile tool within amateur radio. Others mentioned such as Automatic Packet Reporting Service and Automated Position Relay System may seem plausible, but they do not accurately describe the specific function represented by the acronym "APRS". This is why the correct interpretation is Automatic Packet Reporting System, highlighting its core purpose and functionality in the context of amateur radio communication.