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

UNAVCO GPS Network - ATQK-Atqasuk P.S.
Start: 12-Jun-2006
End: 12-Aug-2022
Johns, Bjorn, 2006, UNAVCO GPS Network - ATQK-Atqasuk P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T55X2744