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

Uganda GPS Network - EBBE-Entebbe P.S.
Start: 30-May-2008
End: 03-Sep-2013
Stamps, D. Sarah, Koehn, Daniel, Sachau, Till, 2009, Uganda GPS Network - EBBE-Entebbe P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T55Q4T59