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

Afar GPS Network - DABT-Barantu P.S.
Start: 13-Mar-2007
End: 25-Oct-2009
Calais, Eric, 2008, Afar GPS Network - DABT-Barantu P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T58K774H