Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 12.04.2016 beginning time = 1312 min.(UT), 21:52 UT Xbegin = -11.892 nT time of max = 1333 min.(UT), 22:13 UT Xmax = 22.680 nT Y at Xmax = 11.550 nT endtime = 1369 min.(UT), 22:49 UT Xend = -8.832 nT amplitude = 34.572 nT base duration time = 57 min. 2sigma = 10.071 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0