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

Wasatch GPS Network - RBUT-Red Butte Canyon P.S.
Start: 24-Feb-1997
End: 06-Feb-2020
Smith, Robert B., Meertens, Charles, 1998, Wasatch GPS Network - RBUT-Red Butte Canyon P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5222S1V