Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 08.04.2018 beginning time = 1302 min.(UT), 21:42 UT Xbegin = -2.764 nT time of max = 1344 min.(UT), 22:24 UT Xmax = 5.274 nT Y at Xmax = 2.342 nT endtime = 1371 min.(UT), 22:51 UT Xend = -2.760 nT amplitude = 8.038 nT base duration time = 69 min. 2sigma = 3.382 nT duration at 2sigma = 21 min. flagbegin = 0 flagend = 0 flagxcheck = 0