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

HoustonNet GPS Network - UHKS-University of Houston Katy shallow P.S.
Start: 29-May-2018
End: 04-Aug-2022
Wang, Guoquan, 2019, HoustonNet GPS Network - UHKS-University of Houston Katy shallow P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/X07B-0V48