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

Central Iceland GPS Network - INSK-Innri Skuti P.S.
Start: 13-Aug-2008
End: 12-Mar-2019
Bennett, Rick, 2008, Central Iceland GPS Network - INSK-Innri Skuti P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T52Z13Q4