Senior Chief Petty Officer Ricardo Santacana, a Coast Guard Sector Jacksonville command duty officer, urges the proper use of maritime radios to help prevent false alerts and reduce unnecessary radio chatter on VHF-FM channel 16 at Coast Guard Sector Jacksonville May 13, 2024. Channel 16 is designated by the Federal Communications Commission as the national distress, safety, and calling frequency and should not be used when performing radio checks. (U.S. Coast Guard video)