What must be posted at the location of a station being operated by telecommand on or within 50 kilometers of the Earth’s surface?
The correct answer is D: All these choices are correct. What must be posted at the location of a station being operated by telecommand on or within 50 kilometers of the Earth's surface includes: a photocopy of the station license, a label with the name/address/telephone of the station licensee, and a label with the name/address/telephone of the control operator. All three must be posted. For amateur radio operators, this is important for telecommand operation. Understanding this helps ensure legal telecommand operation.
Exam Tip
All three must be posted at telecommand station: photocopy of license, licensee label, control operator label. When all listed items must be posted at telecommand station location, 'all of the above' is usually the answer. All are required for telecommand operation.
Memory Aid
"All three must be posted at telecommand station: Photocopy of license, Licensee label, Control operator label. Think 'A'll 'T'elecommand 'P'osting requirements. All three must be posted at the station location. Important for telecommand operation."
Real-World Application
A station operated by telecommand within 50 km of Earth's surface: At the station location, you must post: (1) A photocopy of the station license, (2) A label with the name, address, and telephone number of the station licensee, (3) A label with the name, address, and telephone number of the control operator. All three must be posted - this is the requirement.
FCC Part 97.213Key Concepts
Why Other Options Are Wrong
Option A: While correct, this is incomplete. Labels with licensee and control operator information are also required.
Option B: While correct, this is incomplete. Photocopy of license and control operator label are also required.
Option C: While correct, this is incomplete. Photocopy of license and licensee label are also required.
题目解析
The correct answer is D: All these choices are correct. What must be posted at the location of a station being operated by telecommand on or within 50 kilometers of the Earth's surface includes: a photocopy of the station license, a label with the name/address/telephone of the station licensee, and a label with the name/address/telephone of the control operator. All three must be posted. For amateur radio operators, this is important for telecommand operation. Understanding this helps ensure legal telecommand operation.
考试技巧
All three must be posted at telecommand station: photocopy of license, licensee label, control operator label. When all listed items must be posted at telecommand station location, 'all of the above' is usually the answer. All are required for telecommand operation.
记忆口诀
All three must be posted at telecommand station: Photocopy of license, Licensee label, Control operator label. Think 'A'll 'T'elecommand 'P'osting requirements. All three must be posted at the station location. Important for telecommand operation.
实际应用示例
A station operated by telecommand within 50 km of Earth's surface: At the station location, you must post: (1) A photocopy of the station license, (2) A label with the name, address, and telephone number of the station licensee, (3) A label with the name, address, and telephone number of the control operator. All three must be posted - this is the requirement.
错误选项分析
Option A: While correct, this is incomplete. Labels with licensee and control operator information are also required. Option B: While correct, this is incomplete. Photocopy of license and control operator label are also required. Option C: While correct, this is incomplete. Photocopy of license and licensee label are also required.
知识点
Telecommand station, Within 50 kilometers, Posted information, Station license and labels
Verified Content
Question from official FCC Extra Class question pool. Explanation reviewed by licensed amateur radio operators.