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

Ethiopia Tectonics GPS Network - ARMI-Arba Minch University P.S.
Start: 23-Mar-2007
End: 01-Jan-2016
Bendick, Rebecca, Reilinger, Robert E., 2007, Ethiopia Tectonics GPS Network - ARMI-Arba Minch University P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T59884X5