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

SAGE New Zealand GPS Network - NETT-Annette Plateau P.S.
Start: 07-Feb-2000
End: 25-Nov-2016
Hager, Bradford H., Herring, Thomas A., Molnar, Peter, 2000, SAGE New Zealand GPS Network - NETT-Annette Plateau P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T50Z71JQ