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

Tanzania Network - TUKC-Tukuyu P.S.
Start: 15-Oct-2008
End: 08-Jan-2014
Calais, Eric, 2010, Tanzania Network - TUKC-Tukuyu P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5F47M61