What is the voluntary band plan restriction for US stations transmitting within the 48 contiguous states in the 50.1 MHz to 50.125 MHz band segment?
The correct answer is A: Only contacts with stations not within the 48 contiguous states. The voluntary band plan restriction for US stations transmitting within the 48 contiguous states in the 50.1-50.125 MHz band segment is only contacts with stations not within the 48 contiguous states (DX contacts). This segment is reserved for DX operation from the 48 states. For amateur radio operators, this helps organize 6-meter band usage. Understanding this helps ensure proper operation on 6 meters.
Exam Tip
50.1-50.125 MHz from 48 states = DX contacts only. Think 'D'X 'S'egment = 'D'istant e'X'change. Voluntary band plan restricts this segment to contacts with stations outside the 48 contiguous states. Not for local contacts, not mode-specific.
Memory Aid
"50.1-50.125 MHz from 48 states = DX contacts only. Think 'D'X 'S'egment = 'D'istant e'X'change. Voluntary band plan restricts this segment to contacts with stations outside the 48 contiguous states. DX operation only."
Real-World Application
You're in New York (48 contiguous states) and want to operate on 6 meters. The 50.1-50.125 MHz segment is reserved for DX contacts - you can only contact stations outside the 48 states (Alaska, Hawaii, or foreign countries). This helps organize the band and prevents local contacts from using this DX segment.
Key Concepts
Why Other Options Are Wrong
Option B: Incorrect. This segment isn't for contacts within the 48 states - it's specifically for DX contacts (stations outside the 48 states).
Option C: Incorrect. This segment isn't limited to digital contacts - it's for DX contacts regardless of mode.
Option D: Incorrect. This segment isn't limited to SSTV contacts - it's for DX contacts, not specific to SSTV.
题目解析
The correct answer is A: Only contacts with stations not within the 48 contiguous states. The voluntary band plan restriction for US stations transmitting within the 48 contiguous states in the 50.1-50.125 MHz band segment is only contacts with stations not within the 48 contiguous states (DX contacts). This segment is reserved for DX operation from the 48 states. For amateur radio operators, this helps organize 6-meter band usage. Understanding this helps ensure proper operation on 6 meters.
考试技巧
50.1-50.125 MHz from 48 states = DX contacts only. Think 'D'X 'S'egment = 'D'istant e'X'change. Voluntary band plan restricts this segment to contacts with stations outside the 48 contiguous states. Not for local contacts, not mode-specific.
记忆口诀
50.1-50.125 MHz from 48 states = DX contacts only. Think 'D'X 'S'egment = 'D'istant e'X'change. Voluntary band plan restricts this segment to contacts with stations outside the 48 contiguous states. DX operation only.
实际应用示例
You're in New York (48 contiguous states) and want to operate on 6 meters. The 50.1-50.125 MHz segment is reserved for DX contacts - you can only contact stations outside the 48 states (Alaska, Hawaii, or foreign countries). This helps organize the band and prevents local contacts from using this DX segment.
错误选项分析
Option B: Incorrect. This segment isn't for contacts within the 48 states - it's specifically for DX contacts (stations outside the 48 states). Option C: Incorrect. This segment isn't limited to digital contacts - it's for DX contacts regardless of mode. Option D: Incorrect. This segment isn't limited to SSTV contacts - it's for DX contacts, not specific to SSTV.
知识点
Voluntary band plans, 6-meter band, DX operation, Band restrictions
Verified Content
Question from official FCC General Class question pool. Explanation reviewed by licensed amateur radio operators.