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

HoustonNet GPS Network - HCC2-Houston Community College Spring Branch Campus P.S.
Start: 18-Feb-2013
End: 19-Oct-2022
Wang, Guoquan, 2015, HoustonNet GPS Network - HCC2-Houston Community College Spring Branch Campus P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5R78CK8