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

PBO GPS Network - RCSC-SANCLEMENTECA201 P.S.
Start: 29-Dec-2016
End: 04-Apr-2022
UNAVCO Community, 2017, PBO GPS Network - RCSC-SANCLEMENTECA201 P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5NK3CT1