Shortwave radio
Shortwave stations may also be run by private companies or groups. Some broadcast religious programming. HCJB and WEWN include actual church services in their programs. Others may broadcast weather or time information. WWV and WWVH give the current Coordinated Universal Time (UTC) at 2.500, 5.000, 10.000, and 15.000 megahertz. WWV is also on 20.000 megahertz.