E1D05: Telecommand station: What must be posted at the location of a

Q: 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. 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.

Updated: Dec 9, 2025 | Source: 2024-2028 Question Pool | Topic: E1D

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What must be posted at the location of a station being operated by telecommand on or within 50 kilometers of the Earth’s surface?

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Deep Dive: E1D05

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.

Why Other Answers 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.

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 Example

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.

Source & Coverage

Question Pool: 2024-2028 Question Pool

Subelement: E1D

Reference: FCC Part 97.213

Key Concepts

Telecommand station Within 50 kilometers Posted information Station license and labels

Verified Content

Question from the official FCC Extra Class pool. Explanation reviewed by licensed amateur radio operators and mapped to the E1D topic.