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

Uganda GPS Network - BAKC-Mt. Baker P.S.
Start: 08-Jun-2008
End: 15-Aug-2011
Stamps, D. Sarah, Koehn, Daniel, Sachau, Till, 2009, Uganda GPS Network - BAKC-Mt. Baker P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T59C6VHR