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

Wasatch GPS Network - HWUT-Hardware Ranch, UT P.S.
Start: 13-Aug-2007
End: 14-Nov-2022
UNAVCO Community, 2004, Wasatch GPS Network - HWUT-Hardware Ranch, UT P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5707ZQN

Wasatch GPS Network - HWUT-Hardware Ranch, UT P.S.
Start: 07-Oct-2004
End: 14-Nov-2022
UNAVCO Community, Smith, Robert B., 2004, Wasatch GPS Network - HWUT-Hardware Ranch, UT P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5BR8QGH

Wasatch GPS Network - HWUT-Hardware Ranch, UT P.S.
Start: 07-Oct-2004
End: 13-Aug-2007
Smith, Robert B., 2004, Wasatch GPS Network - HWUT-Hardware Ranch, UT P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5GH9G7P