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

Africa Array GPS Network - TEZI-Itezi-Tezi P.S.
Start: 14-Aug-2010
End: 08-Nov-2016
Nyblade, Andy, 2011, Africa Array GPS Network - TEZI-Itezi-Tezi P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5QR4V6G