So I decided to see how ham radio is used by truckers ... D-Star or System Fusion. But VHF and UHF signals have even worse propagation characteristics than CB — in general, the higher the ...

FAA announced the award of the NEXTCOM V3 UHV/VHR Radio contract in a notice published ... maintain and operate the UHF and VHF receiver and transmitter system. FAA issued a solicitation for ...