Deep Dive: E1B03
The correct answer is A: 1 mile. Within what distance must an amateur station protect an FCC monitoring facility from harmful interference is 1 mile. Amateur stations within 1 mile of an FCC monitoring facility must protect it from interference. For amateur radio operators, this is important for compliance. Understanding this helps ensure legal operation.
Why Other Answers Are Wrong
Option B (3 miles): Incorrect. 3 miles is too far - the requirement is 1 mile, not 3 miles. 3 miles is wrong. Option C (10 miles): Incorrect. 10 miles is too far - the requirement is 1 mile, not 10 miles. 10 miles is wrong. Option D (30 miles): Incorrect. 30 miles is way too far - the requirement is 1 mile, not 30 miles. 30 miles is wrong.
Exam Tip
Protect FCC monitoring facility = within 1 mile. Think 'F'CC 'M'onitoring = '1' 'M'ile. Amateur stations within 1 mile of FCC monitoring facility must protect it from interference. Not 3 miles, not 10 miles, not 30 miles - just 1 mile.
Memory Aid
Protect FCC monitoring facility = within 1 mile. Think 'F'CC 'M'onitoring = '1' 'M'ile. Amateur stations within 1 mile of FCC monitoring facility must protect it from interference. Important compliance requirement.
Real-World Example
An amateur station near an FCC monitoring facility: If the station is within 1 mile of the facility, it must protect the facility from harmful interference. This may require reducing power, changing frequency, or other measures. The 1-mile distance is the requirement - stations within 1 mile must protect the monitoring facility.
Source & Coverage
Question Pool: 2024-2028 Question Pool
Subelement: E1B
Reference: FCC Part 97.103
Key Concepts
Verified Content
Question from the official FCC Extra Class pool. Explanation reviewed by licensed amateur radio operators and mapped to the E1B topic.