What is VARA?
The correct answer is B: A digital protocol used with Winlink. VARA is a digital protocol used with Winlink. VARA is a high-speed digital protocol designed for Winlink email systems over radio. For amateur radio operators, VARA provides faster email transfer than older protocols. Understanding this helps when using Winlink email systems.
Exam Tip
VARA = digital protocol used with Winlink. Think 'V'ARA = 'V'ery 'A'ccelerated 'R'adio 'A'ccess (Winlink). High-speed digital protocol for Winlink email systems. Not for EME, RDF, or DX spotting - just Winlink email.
Memory Aid
"VARA = digital protocol used with Winlink. Think 'V'ARA = 'V'ery 'A'ccelerated 'R'adio 'A'ccess. High-speed digital protocol for Winlink email systems. Provides faster email transfer than older protocols."
Real-World Application
You use Winlink to send email over radio. VARA is a high-speed protocol that makes email transfer faster than older protocols like PACTOR. VARA is specifically designed for Winlink email systems, providing improved performance for radio email communications.
Key Concepts
Why Other Options Are Wrong
Option A: Incorrect. VARA isn't for EME (moonbounce) - EME uses different protocols. VARA is for Winlink email, not EME.
Option C: Incorrect. VARA isn't a radio direction finding system - RDF uses different techniques. VARA is a digital protocol for email.
Option D: Incorrect. VARA isn't a DX spotting system - DX spotting uses different methods. VARA is specifically for Winlink email.
题目解析
The correct answer is B: A digital protocol used with Winlink. VARA is a digital protocol used with Winlink. VARA is a high-speed digital protocol designed for Winlink email systems over radio. For amateur radio operators, VARA provides faster email transfer than older protocols. Understanding this helps when using Winlink email systems.
考试技巧
VARA = digital protocol used with Winlink. Think 'V'ARA = 'V'ery 'A'ccelerated 'R'adio 'A'ccess (Winlink). High-speed digital protocol for Winlink email systems. Not for EME, RDF, or DX spotting - just Winlink email.
记忆口诀
VARA = digital protocol used with Winlink. Think 'V'ARA = 'V'ery 'A'ccelerated 'R'adio 'A'ccess. High-speed digital protocol for Winlink email systems. Provides faster email transfer than older protocols.
实际应用示例
You use Winlink to send email over radio. VARA is a high-speed protocol that makes email transfer faster than older protocols like PACTOR. VARA is specifically designed for Winlink email systems, providing improved performance for radio email communications.
错误选项分析
Option A: Incorrect. VARA isn't for EME (moonbounce) - EME uses different protocols. VARA is for Winlink email, not EME. Option C: Incorrect. VARA isn't a radio direction finding system - RDF uses different techniques. VARA is a digital protocol for email. Option D: Incorrect. VARA isn't a DX spotting system - DX spotting uses different methods. VARA is specifically for Winlink email.
知识点
VARA, Winlink, Digital protocols, Email systems
Verified Content
Question from official FCC General Class question pool. Explanation reviewed by licensed amateur radio operators.