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

Denali Fault GPS Network - HAAR-HAARP P.S.
Start: 16-Dec-2015
End: 14-Nov-2022
Freymueller, Jeffrey T., Burgmann, Roland, 2015, Denali Fault GPS Network - HAAR-HAARP P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5J101JQ