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

Caribbean Hurricane Prediction GPS Network - SMRT-Saint Marten P.S.
Start: 23-May-2007
End: 09-Sep-2016
Braun, John, 2007, Caribbean Hurricane Prediction GPS Network - SMRT-Saint Marten P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5X34VKQ