Ham Radio Extra Class Practice Test 2026 - Free Extra Class License Exam Questions and Study Guide

Slow scan TV (SSTV) transmissions are primarily visual transmissions that require a relatively narrow bandwidth, similar to traditional voice communications. This is important because SSTV is typically operated in the phone band segments of the amateur radio allocations. These segments, which include the frequencies used for phone (voice) communications, are designed to accommodate different modes of operation while ensuring that bandwidths used are compatible with voice communication.

When operated within these restrictions, SSTV can effectively share bandwidth with other voice modes, minimizing interference and maintaining overall efficient use of the frequency spectrum. If SSTV transmissions were allowed to span a wider bandwidth outside of the designated areas, they could disrupt ongoing voice communications and lead to potential conflicts with other users.

This choice accurately reflects the guidelines that allow for the inclusion of SSTV within the voice phone segments, thereby emphasizing the importance of frequency management and etiquette in amateur radio operation.