Updated: Feb 19, 2026 | Source: 2026-2030 Question Pool | Topic: T7B
T7B05T7B

Which of the following might reduce interference by an amateur station to a non-amateur over-the-air radio receiver?

Deep Dive: T7B05

The official 2026-2030 Question Pool answer is A: Block the amateur signal with a filter at the antenna input of the affected receiver. This Technician question is synchronized with the current NCVEC release and incorporated errata. Use the exact wording and answer key shown here when preparing for the current exam pool.

Why Other Answers Are Wrong

Option B: This is not the keyed answer in the current official pool. The official keyed answer is A: Block the amateur signal with a filter at the antenna input of the affected receiver. Option C: This is not the keyed answer in the current official pool. The official keyed answer is A: Block the amateur signal with a filter at the antenna input of the affected receiver. Option D: This is not the keyed answer in the current official pool. The official keyed answer is A: Block the amateur signal with a filter at the antenna input of the affected receiver.

Exam Tip

For T7B05, remember the current official key: A - Block the amateur signal with a filter at the antenna input of the affected receiver.

Memory Aid

T7B05: A - Block the amateur signal with a filter at the antenna input of the affected receiver

Source & Coverage

Question Pool: 2026-2030 Question Pool

Subelement: T7B

Reference: 2026-2030 Question Pool · T7 - Practical circuits

Key Concepts

T7B Technician question pool official answer key

Official Pool Source

Question text and answer key are synchronized with the current NCVEC Technician Class pool and mapped to the T7B topic.