Labels:text | screenshot | number | font | diagram | line | parallel OCR: LOCATION OF INDY 500 TIMING SYSTEM ANTENNAE 16 15 14 Turn 3 Turn 2 Warm-up lane Warm-up lane 21 17 10 11 :13 $122 Speed trap 201 2 15 Garage area Turn 4 Turn 1 Pits Front straightaway IM Backstretch 18 Figure 1. The Data-1 component of USAC's timing and scoring system consists of 22 antenna arrays spread out on the race course that pick up signals from radio frequency transmitters installed on each car.