Definitions for "VLBA"
Very Long Baseline Array, a deicated array of radio telescopes for very-long-baseline interferometry (VLBI) operated by NRAO. It stretches from the island of Hawaii to the U.S. Virgin Islands, and provides much more extensive opportunities for VLBI measurements than ad hoc collections of miscellaneous antennas.
Very Long Baseline Array; a set of 10 radio telescopes in the continental United States, Hawaii, and St. Croix