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

Antarctica L1 GPS Network - ABBZ-Abbott Peak P.S.
Start: 06-Jan-2003
End: 14-Nov-2022
Kyle, Philip, 2003, Antarctica L1 GPS Network - ABBZ-Abbott Peak P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T58W3BDX