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

TLALOCNet - UCOE-ucoe_tnet_mx2003 P.S.
Start: 07-Oct-2005
End: 14-Nov-2022
Cabral-Cano, Enrique, Salazar-Tlaczani, Luis, 2015, TLALOCNet - UCOE-ucoe_tnet_mx2003 P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T51834VW