What is an appropriate way to call another station on a repeater if you know the other station's call sign?

When calling another station on a repeater and you know their call sign, the appropriate protocol is to first say the station's call sign and then identify yourself with your call sign. This method is important for several reasons. By stating the other station’s call sign first, you are directly addressing them, indicating that you intend to communicate with them specifically. Following with your own call sign fulfills the requirement of identifying yourself, which is necessary for maintaining proper communication protocols in amateur radio.

This approach helps ensure clarity and minimizes confusion, as other operators who may be monitoring the conversation will immediately know who you are trying to reach. It effectively establishes the communication link between the two stations.

The other methods provided do not align with standard operating procedures. For instance, using phrases like "break, break" is often reserved for urgent or emergency communications rather than general calls. Saying “CQ” multiple times is usually meant for broadcasting an invitation to anyone listening, rather than targeting a specific station. Lastly, waiting for the other station to call “CQ” implies that you are responding to their invitation rather than initiating contact, which may not be as efficient if you are already aware of their call sign. Thus, stating the known call sign followed by your own is the best practice