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

Jalisco GPS Network - UCOM-Univ. Colima at Manzanillo P.S.
Start: 08-Feb-2007
End: 01-Jun-2015
DeMets, Charles, 2007, Jalisco GPS Network - UCOM-Univ. Colima at Manzanillo P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5959FNN