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

Afar GPS Network - GABH-Gabho P.S.
Start: 10-Jan-2006
End: 10-Feb-2007
Calais, Eric, 2007, Afar GPS Network - GABH-Gabho P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5QN64TK