The following information obtained from UNAVCO's online DOI system:
(https://www.unavco.org/data/doi/search/search.html)

Hawaii GPS Network - NANW-Nanawale (NANT) P.S.
Start: 31-May-2018
End: 14-Nov-2022
Ellis, Andria P., 2022, Hawaii GPS Network - NANW-Nanawale (NANT) P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/ZWX6-ZE72