The U.S. Coast Guard will cease monitoring all High Frequency (HF) shortwave voice distress frequencies within the contiguous United States and Hawaii on 7 February 2022 at 0000 UTC. HF voice distress watchkeeping will continue unaffected in Alaska and Guam. HF watchkeeping on HF distress and safety digital selective calling (DSC) frequencies will continue at all locations.
https://www.dco.uscg.mil/Featured-Content/Mariners/Marine-Safety-Information-Bulletins-MSIB/