Complex sentence: There are several ways to transmit correction signal from base station to mobile station, most popular way to achieve real time, low cost signal transmission is to use radio modem, typically in UHF band.
Split into simpler sentences: There are several ways to transmit a correction signal from base station to mobile station. The most popular way to achieve real-time, low-cost signal transmission is to use a radio modem, typically in the UHF band.