What is an amateur radio station that connects other amateur stations to the internet?
The correct answer is A: A gateway. A gateway is an amateur radio station that connects other amateur stations to the internet. Gateways provide the interface between radio systems and internet networks, allowing radio operators to access internet services (like EchoLink, IRLP, or digital networks) and allowing internet users to access radio systems. For amateur radio operators, gateways are essential infrastructure for internet-radio linking. Understanding gateways helps explain how systems like D-STAR, DMR, and EchoLink connect radio and internet networks.
Exam Tip
Internet-radio connection = gateway. Think 'G'ateway = 'G'oes between radio and internet. Connects amateur stations to internet networks. Repeaters relay radio signals, digipeaters relay packets, beacons transmit status - none connect to internet.
Memory Aid
"Internet-radio connection = gateway. Think 'G'ateway = 'G'oes between radio and internet. Connects amateur stations to internet networks. Essential for internet-radio linking systems."
Real-World Application
A D-STAR gateway receives signals from D-STAR radios and connects them to the internet, allowing D-STAR users to communicate with other D-STAR users worldwide via the internet. The gateway is the interface - it converts radio signals to internet data and vice versa. Without the gateway, D-STAR users could only communicate locally via radio.
Key Concepts
Why Other Options Are Wrong
Option B (Repeater): Incorrect. A repeater receives and retransmits radio signals, but doesn't necessarily connect to the internet. Gateways specifically provide internet connectivity.
Option C (Digipeater): Incorrect. A digipeater receives and retransmits digital packet signals, but doesn't connect to the internet. It's a radio-to-radio relay.
Option D (Beacon): Incorrect. A beacon transmits status or identification information, but doesn't connect stations to the internet. It's a one-way transmission.
题目解析
The correct answer is A: A gateway. A gateway is an amateur radio station that connects other amateur stations to the internet. Gateways provide the interface between radio systems and internet networks, allowing radio operators to access internet services (like EchoLink, IRLP, or digital networks) and allowing internet users to access radio systems. For amateur radio operators, gateways are essential infrastructure for internet-radio linking. Understanding gateways helps explain how systems like D-STAR, DMR, and EchoLink connect radio and internet networks.
考试技巧
Internet-radio connection = gateway. Think 'G'ateway = 'G'oes between radio and internet. Connects amateur stations to internet networks. Repeaters relay radio signals, digipeaters relay packets, beacons transmit status - none connect to internet.
记忆口诀
Internet-radio connection = gateway. Think 'G'ateway = 'G'oes between radio and internet. Connects amateur stations to internet networks. Essential for internet-radio linking systems.
实际应用示例
A D-STAR gateway receives signals from D-STAR radios and connects them to the internet, allowing D-STAR users to communicate with other D-STAR users worldwide via the internet. The gateway is the interface - it converts radio signals to internet data and vice versa. Without the gateway, D-STAR users could only communicate locally via radio.
错误选项分析
Option B (Repeater): Incorrect. A repeater receives and retransmits radio signals, but doesn't necessarily connect to the internet. Gateways specifically provide internet connectivity. Option C (Digipeater): Incorrect. A digipeater receives and retransmits digital packet signals, but doesn't connect to the internet. It's a radio-to-radio relay. Option D (Beacon): Incorrect. A beacon transmits status or identification information, but doesn't connect stations to the internet. It's a one-way transmission.
知识点
Gateways, Internet-radio interface, Linking systems, Network infrastructure
Verified Content
Question from official FCC Technician Class question pool. Explanation reviewed by licensed amateur radio operators.