while about the SW radio frequencies, it is radio related so I thought I'd post it here . . . check this article out, I've read concerns by Ham Radio Ops & the U.S. Coast Guard on this subject
www.radioworld.com
Mystery Surrounds 3 Pending U.S. Shortwave Stations - Radio World
The FCC granted three new high-frequency international broadcast applications — known to most as the shortwave band — to U.S. operators in January.