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

Akutan Volcano GPS Network - AKRB-Akutan Reef Bight P.S.
Start: 30-Jun-2003
End: 14-Nov-2022
Murray, Tom, Freymueller, Jeffrey T., Grapenthin, Ronni, Power, John, 2003, Akutan Volcano GPS Network - AKRB-Akutan Reef Bight P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/9NSF-ZY90