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tokens: We want to thank Chris Carilli for assistance on the simulations of the ngVLA observations and for providing us with the ngVLA antenna position files, and Giovanni Dipierro for helpful comments on the manuscript. This work was supported in part by the ngVLA Community Studies program, coordinated by the National Radio Astronomy Observatory, which is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. A.I. and L.R. acknowledge support from NSF grant No. AST-1535809. A.I., S.L., and H.L. acknowledge the support from the Center for Space and Earth Sciences at LANL, and H.L. acknowledges the support from the LANL/LDRD program. ALMA is a partnership of ESO (representing its member states), NSF (USA), and NINS (Japan), together with NRC (Canada) and NSC and ASIAA (Taiwan) and KASI (Republic of Korea), in cooperation with the Republic of Chile. The Joint ALMA Observatory is operated by ESO, AUI/NRAO, and NAOJ. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.