Utility Monitoring

From The RadioReference Wiki

The best way to describe Utility (Ute) monitoring is to use negative logic; it excludes CB, Amateur and Short Wave Broadcast. This includes, but is not limited to, aeronautical stations, digital signals (outside of the specified amateur bands), military, maritime, federal and other users.
The RR forum for this topic can be found here

Hurricane Related Frequency Lists

Other Websites

Past Natural Disasters

All of these heavily used HF during recovery, rescue and SAR operations

Utility Related Clubs and mailing lists