| What is the best method for a GMDSS Radio Operator to determine which SITOR station to contact for the purpose of sending a chargeable message or cable? |
| A) Listen to each station's voice announcement and determine which channel(s) will be monitored. |
| B) Listen to each station's "free signals" and call the station generating the loudest marker. |
| C) Listen to each station's MSI broadcast to determine which public correspondence station to contact. |
| D) Listen to the U.S. Coast Guard's traffic list to determine which Coast Guard station will handle commercial traffic. |