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

Afar GPS Network - DA10-DA10 P.S.
Start: 10-Jan-2006
End: 19-Feb-2006
Calais, Eric, 2007, Afar GPS Network - DA10-DA10 P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5K35RR0