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

Nepal GPS Network - BGNJ-Birgunj P.S.
Start: 25-Jun-2015
End: 09-Sep-2016
Upreti, Bishal, Abdelkrim Aoudia, Karim, Adhikari, DP, Sitaula, Bhairab, Shrestha, Hari, Bhattarai, Roshan, Gajurel, Ananta, 2017, Nepal GPS Network - BGNJ-Birgunj P.S., UNAVCO, GPS/GNSS Observations Dataset, 
https://doi.org/10.7283/4KR0-W134