Although FS roads are not legally radio controlled, the use of VHF radios is recommended for all users, particularly during the week on active logging roads. The channel and frequency is posted at the beginning of most roads. Review a District map Here: RR1 Â 150.080 MHz RR2 Â 150.110 MHz RR3 Â 150.140 MHz RR4 Â 150.185 MHz RR8 Â 150.320Â MHz