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

British Antarctic Survey GPS Network - BSA1-Horseshoe Harbour P.S. - Antarctic Peninsula
Start: 10-Dec-2018
End: 26-Sep-2022
Whitehouse, Pippa, Clarke, Peter, 2017, British Antarctic Survey GPS Network - BSA1-Horseshoe Harbour P.S. - Antarctic Peninsula, UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/NG6W-KN45

British Antarctic Survey GPS Network - BSA1-Horseshoe Harbour P.S. - Antarctic Peninsula
Start: 08-Feb-2012
End: 26-Sep-2022
Whitehouse, Pippa, Clarke, Peter, King, Matt, 2017, British Antarctic Survey GPS Network - BSA1-Horseshoe Harbour P.S. - Antarctic Peninsula, UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/A0W2-7N29

British Antarctic Survey GPS Network - BSA1-Horseshoe Harbour P.S. - Antarctic Peninsula
Start: 08-Feb-2012
End: 10-Dec-2018
King, Matt, 2017, British Antarctic Survey GPS Network - BSA1-Horseshoe Harbour P.S. - Antarctic Peninsula, UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5Z899T5