Which of the following is a recommended practice for emergency communication in amateur radio?

Establishing local nets to coordinate efforts is a vital practice for emergency communication in amateur radio. This approach helps organize and streamline communication among operators during emergency situations, allowing for efficient information sharing and resource coordination. Local nets can provide structure, enabling operators to relay important messages, request assistance, and establish a centralized point for gathering information. This organized framework is crucial in times of crisis, helping ensure that communication remains clear and focused.

In contrast, refraining from using commercial frequencies is a necessary practice under regulations but does not directly support emergency communications. While using power amplifiers excessively might compromise communication quality or create interference, it does not provide any benefits in emergency situations. Operating without a license is strictly against regulations and undermines the principles of responsible amateur radio usage, particularly in emergencies where clear communication is essential.