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

DIVE GPS Network - SPW2-Scripps Pier P.S.
Start: 23-Sep-1999
End: 29-Jul-2014
Miller, M. Meghan, 1999, DIVE GPS Network - SPW2-Scripps Pier P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T56H4FHG