I don't know for certain the specific case you are referring to, but it sounds like the Submillimetre Array (SMA). The issue was that SMA was being counted as o

I don't know for certain the specific case you are referring to, but it sounds like the Submillimetre Array (SMA). The issue was that SMA was being counted as one telescope (from a functional point of view, it is), but it has 8 antennas. I believe some telescopes have been removed to make way for TMT. The Caltech Submillimetre Observatory (CSO) for one.