In addition to the name of the railroad, what else is required for positive identification of mobile units?

For positive identification of mobile units in radio communications, it is crucial to include the individual's title and name. This practice enhances clarity and accountability during communication. When a mobile unit identifies itself by naming the individual and their position, it minimizes confusion, especially in environments where multiple parties may be communicating simultaneously.

Including the title helps others understand the role of the person they are communicating with, making interactions more efficient and ensuring that assistance or instructions are directed properly. This is vital in rail operations, where safety is paramount and clear communication can prevent accidents.

While other elements may provide useful information, such as the model of the radio, time of communication, or the destination station’s code, they do not serve the same purpose of clearly identifying the person communicating. Focusing on the individual’s title and name fosters a direct connection and aids in the correct processing of the message at hand.