85J2 B
 How are high seas (HF) radiotelephone communications initially established between a vessel and a public correspondence station?
A. The vessel listens for "free signals" and calls the public correspondence station on the SITOR (NBDP) calling channel with the strongest marker signal.
B. The vessel calls and establishes voice contact with the public correspondence station on a channel that the station is known to monitor, and the two stations then proceed with their business.
C. The vessel calls the public correspondence station on VHF Channel 16, and the two stations then switch to the working channel.
D. Public Correspondence Stations operate SITOR (NBDP) only.
