What term describes all of the radar positions working together?

The term that best describes all of the radar positions working together is a "Radar Team." This terminology highlights the collaborative nature of the individuals operating various radar systems to ensure comprehensive air traffic management. Members of a radar team work in conjunction with one another, sharing vital information and coordinating their actions to maintain safe and efficient operations within the airspace.

While "Radar Network" refers to the interconnected system of radar installations that can collectively track aircraft, it doesn’t emphasize the teamwork aspect. The term "Radar Unit" can denote a specific radar installation or a singular operational team, which does not capture the idea of multiple positions working in concert. "Radar Control" typically refers to the overall command and management function within a control center rather than the cooperative effort of all personnel involved. Therefore, "Radar Team" most accurately embodies the collective and collaborative effort of all positions engaged in radar operations.