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

Bangladesh GPS Network - BNGM-Bhurungamari P.S.
Start: 23-Oct-2012
End: 28-Oct-2013
Steckler, Michael, Humayun Akhter, Syed, 2012, Bangladesh GPS Network - BNGM-Bhurungamari P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/T5HH6HWS