Updated: Feb 19, 2026 | Source: 2026-2030 Question Pool | Topic: T3A
T3A01T3A

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Deep Dive: T3A01

The official 2026-2030 Question Pool answer is C: Multipath propagation cancels or reinforces signals. 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 A: This is not the keyed answer in the current official pool. The official keyed answer is C: Multipath propagation cancels or reinforces signals. Option B: This is not the keyed answer in the current official pool. The official keyed answer is C: Multipath propagation cancels or reinforces signals. Option D: This is not the keyed answer in the current official pool. The official keyed answer is C: Multipath propagation cancels or reinforces signals.

Exam Tip

For T3A01, remember the current official key: C - Multipath propagation cancels or reinforces signals.

Memory Aid

T3A01: C - Multipath propagation cancels or reinforces signals

Source & Coverage

Question Pool: 2026-2030 Question Pool

Subelement: T3A

Reference: 2026-2030 Question Pool · T3 - Radio wave characteristics

Key Concepts

T3A 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 T3A topic.