An ad-hoc group of engineers is investigating the idea of a complete overhaul of regulation of AM Radio in the…continue reading
An ad-hoc group of engineers is investigating the idea of a complete overhaul of regulation of AM Radio in the…continue reading
AM Station Power Class Present Maximum Proposed Region II US-Mexican US-Canadian A 50 kW Day 50 kW Night 100 kW…continue reading
AM Radio waves propagate by groundwave at all times, but at night the signals also propagate by skywaves. Medium wave…continue reading
Protected Contours Class Protected Contour (Pres) Protected Contour (Prop) Region II US-Can US-Mex A Co 0.5 mV/m 50% SW *…continue reading
AM stations rarely have regular listeners outside the 1 mV/m groundwave contour because noise levels preclude interference free service, and…continue reading