Satellited-based VHF voice and data
What Is “Satellited-based VHF Voice and Data”? The VHF (Very High Frequency) band for aeronautical use typically covers 117.975 MHz to 137 MHz, used for pilot–controller voice communications and air–ground data links. Traditionally, these communications rely on ground-based stations (line-of-sight). Over oceans, polar regions, or remote areas, coverage can be very limited or nonexistent. Satellite-based…

