wichita.edu
…expanded programmable functions for this year's game. One of the expanded functions is IR communications from the robots to the EGS described above. A Processing plant and storage area is located in each corner of the playing field that includes a Catalyst Dispenser (the tall PVC tower), a storage area, Offload area and an Operations Platform. Catalyst units…
https://www.wichita.edu/academics/engineering/k12/kansasbest/game-history/2009.php