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

Idaho National Laboratory GPS Network - BCYI-BCYIGPS P.S.
Start: 28-Oct-2004
End: 06-Apr-2020
Payne, Suzette, 2004, Idaho National Laboratory GPS Network - BCYI-BCYIGPS P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T55719CT