The Army must master HF comms to ensure resilient C2 in LSCO as SATCOM becomes vulnerable; HF provides secure, BLOS communication in denied environments.

FORT CAVAZOS, Texas – Soldiers with the 11th Corps Signal Brigade, competed in the 2025 QRPX, a low power high frequency (HF) radio communications exercise/competition, from March 20 to 22 at Fort ...

“We need to pay attention to radio bursts now.” This is the message given by solar physicist Tamitha Skov, and this message, in a nutshell, reflects the actual concern raised by the recent X-class ...