Confirmed Frequencies from the Indy 500 Time Trials, May 9-10, 1992:
Car Driver Frequency
1 Michael Andretti 468.2250
2 Mario Andretti 462.6500
4 Rick Mears 852.1875
5 Fittipaldi 856.7875
7 Paul Tracy 856.9125
9 Eddie Cheever 464.0375
10 Scott Pruett 461.0125
12 Bobby Rahal 467.9375
22 Scott Brayton 466.0125
USAC Officials 935.1375
USAC Safety 463.2125
USAC Pace Car 935.1375