See the entire Indy 500 Frequency and Spotters Guide

Car# Name Frequency
0 NOAA 162.55
100 CALL 146.52
101 W9IRA 146.7
102 W9IRA 147.12
103 W9IRA 146.625
104 WA9RDF 146.835
105 K9DC 147.315
106 W9RCA 146.88
107 K9IPL 146.67
108 W9FBZ 147.21
109 W9ICE 146.97
110 CALL 446
111 W9IRA 443.85
112 K9IP 443.425
113 NF9K 441.025
114 KA9GIX 444.875
115 W9ICE 442.65
116 TV1 450.6375
117 TV2 450.675
118 TV3 450.8375
119 TV4 450.3875
120 TV5 455.3125
121 TV6 450.75
122 OFFICIA 464.175
123 OFFICIA 468.825
124 PA 450.1375
125 PA 455.1375
126 RCECTRL 468.825
127 BROADCA 454

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See the entire Indy 500 Frequency and Spotters Guide