Updated: Dec 9, 2025 | Source: 2024-2028 Question Pool | Topic: E1C
E1C12E1C

In what portion of the 630-meter band are phone emissions permitted?

Deep Dive: E1C12

The correct answer is D: The entire band. In what portion of the 630-meter band are phone emissions permitted is the entire band. Phone emissions are permitted throughout the entire 630-meter band. For amateur radio operators, this is important for 630-meter operation. Understanding this helps ensure legal operation.

Why Other Answers Are Wrong

Option A (None): Incorrect. Phone emissions aren't prohibited - they're permitted in the entire band. None is wrong. Option B (Only the top 3 kHz): Incorrect. Phone emissions aren't limited to top 3 kHz - they're permitted in the entire band. Top 3 kHz is wrong. Option C (Only the bottom 3 kHz): Incorrect. Phone emissions aren't limited to bottom 3 kHz - they're permitted in the entire band. Bottom 3 kHz is wrong.

Exam Tip

630m band phone emissions = permitted in entire band. Think '6'30m 'P'hone = 'E'ntire 'P'ermitted. Phone emissions are permitted throughout the entire 630-meter band. Not none, not top 3 kHz, not bottom 3 kHz - just entire band.

Memory Aid

630m band phone emissions = permitted in entire band. Think '6'30m 'P'hone = 'E'ntire 'P'ermitted. Phone emissions are permitted throughout the entire 630-meter band. Important for 630-meter operation.

Real-World Example

The 630-meter band: Phone emissions are permitted in the entire band. Unlike some bands that have restrictions on where phone can be used, 630 meters allows phone throughout the entire band allocation. This is the allocation - phone emissions permitted in the entire band.

Source & Coverage

Question Pool: 2024-2028 Question Pool

Subelement: E1C

Reference: FCC Part 97.305

Key Concepts

630-meter band Phone emissions Entire band Band allocation

Verified Content

Question from the official FCC Extra Class pool. Explanation reviewed by licensed amateur radio operators and mapped to the E1C topic.