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

Puerto Rico GPS Network - ABVI-Anegada P.S.
Start: 04-Feb-2011
End: 30-Mar-2017
Lopez, Alberto, 2011, Puerto Rico GPS Network - ABVI-Anegada P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5057D8R