band, which covers the radiofrequency spectrum from 3 to 30 MHz. This band is mainly used
for military communications, but also for aeronautical, maritime, and amateur
communications. Besides its propagation changeability, the limitation of the HF band is the
existence of multiple uncontrolled collisions between users. Even if HF stations use the
Automatic Link Establishment protocol (MIL-STD-188-141B), they select their transmission …