The military renaissance in HF communications

KH6CP Craig Paul

Note the reference to HF for local communications!
In an online presentation to the Association of Old Crows on Aug. 6, Paul Denisowski, KO4LZ,  described how communications satellites are vulnerable to antisatellite systems as well as ground-, air- and space-based “kill vehicles....” 

“China, Russia and the U.S. have all carried out ASAT tests and many other countries are developing ASAT capabilities,” Denisowski said, using an acronym for anti-satellite. To boost resilience, some commands are turning to high-frequency communications..."

"...During the presentations “Lost Art of HF” and the “Rebirth of Shortwave in a Digital World,” Denisowski explained that HF is making a comeback in local and global communications. This renaissance comes as the result of improvements in a range of fields, including antenna design, digital modulation schemes and improved understanding of propagation..."