What technology is used for real-time tracking of balloons carrying amateur radio transmitters?
The correct answer is C: APRS. What technology is used for real-time tracking of balloons carrying amateur radio transmitters is APRS. APRS (Automatic Packet Reporting System) is used for real-time tracking. For amateur radio operators, this is important for balloon tracking. Understanding this helps when tracking balloons.
Exam Tip
Balloon tracking technology = APRS. Think 'B'alloon 'T'racking = 'A'PRS. APRS (Automatic Packet Reporting System) is used for real-time tracking of balloons. Not FT8, not LORAN, not PACTOR III - just APRS.
Memory Aid
"Balloon tracking technology = APRS. Think 'B'alloon 'T'racking = 'A'PRS. APRS (Automatic Packet Reporting System) is used for real-time tracking of balloons. Important for balloon tracking."
Real-World Application
Real-time tracking of balloons carrying amateur radio transmitters: APRS (Automatic Packet Reporting System) is used. The balloon transmits APRS packets with GPS position, and these are received and displayed on maps in real-time. This is the technology - APRS is used for balloon tracking.
Key Concepts
Why Other Options Are Wrong
Option A (FT8): Incorrect. FT8 isn't used for balloon tracking - APRS is used for real-time tracking. FT8 isn't for tracking.
Option B: Incorrect. Bandwidth compressed LORAN isn't used - APRS is used for balloon tracking. LORAN isn't used.
Option D (PACTOR III): Incorrect. PACTOR III isn't used for balloon tracking - APRS is used for real-time tracking. PACTOR III isn't for tracking.
题目解析
The correct answer is C: APRS. What technology is used for real-time tracking of balloons carrying amateur radio transmitters is APRS. APRS (Automatic Packet Reporting System) is used for real-time tracking. For amateur radio operators, this is important for balloon tracking. Understanding this helps when tracking balloons.
考试技巧
Balloon tracking technology = APRS. Think 'B'alloon 'T'racking = 'A'PRS. APRS (Automatic Packet Reporting System) is used for real-time tracking of balloons. Not FT8, not LORAN, not PACTOR III - just APRS.
记忆口诀
Balloon tracking technology = APRS. Think 'B'alloon 'T'racking = 'A'PRS. APRS (Automatic Packet Reporting System) is used for real-time tracking of balloons. Important for balloon tracking.
实际应用示例
Real-time tracking of balloons carrying amateur radio transmitters: APRS (Automatic Packet Reporting System) is used. The balloon transmits APRS packets with GPS position, and these are received and displayed on maps in real-time. This is the technology - APRS is used for balloon tracking.
错误选项分析
Option A (FT8): Incorrect. FT8 isn't used for balloon tracking - APRS is used for real-time tracking. FT8 isn't for tracking. Option B: Incorrect. Bandwidth compressed LORAN isn't used - APRS is used for balloon tracking. LORAN isn't used. Option D (PACTOR III): Incorrect. PACTOR III isn't used for balloon tracking - APRS is used for real-time tracking. PACTOR III isn't for tracking.
知识点
Real-time tracking, Balloons, Amateur radio transmitters, APRS
Verified Content
Question from official FCC Extra Class question pool. Explanation reviewed by licensed amateur radio operators.