KPH is licensed as a commercial coastal radiotelegraph station. (It may be the last one in the US; it is operated by volunteers in the Pt. Reyes National Seasho

KPH is licensed as a commercial coastal radiotelegraph station. (It may be the last one in the US; it is operated by volunteers in the Pt. Reyes National Seashore, part of the US National Park Service.) Encrypted communications are just fine.