Adopey.2015 net.space utzoo!decvax!duke!mcnc!unc!dopey.jl Sun Apr 4 20:53:48 1982 Florida Shuttle Relay Frequency At the launch I heard the air-to-ground communications relayed at 170 MHz (plus or minus 1 MHz) on a Sears multi-band radio. Pilots were advised to tune to 110.0 MHz or 273.5 MHz after the launch for reports on location and drift of exhaust cloud, but I didn't listen in.