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

COCONet GPS Network - VORA-Apartado_COL2010 P.S.
Start: 01-Jan-2015
End: 11-Jun-2020
UNAVCO Community, 2015, COCONet GPS Network - VORA-Apartado_COL2010 P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T50K26WK