AN/TPY-1

The AN/TPY-1 is a tactical terminal control system, frequently identified by several acronyms including Air Surveillance and Precision Approach Radar Control System (ASPARCS), Common Aviation Command and Control System (CAC2S), and Joint Precision Approach Landing System (JPALS). This system is designed for air traffic control applications. It is important to note that the AN/TPY-1 is distinct from the AN/TPY-2, despite occasional documented confusion likely stemming from a typographical error.

radartutorial.eu: https://www.radartutorial.eu/19.kartei/03.atc/karte088.en.html