Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 14.04.2017 beginning time = 1377 min.(UT), 22:57 UT Xbegin = -4.006 nT time of max = 1419 min.(UT), 23:39 UT Xmax = 4.906 nT Y at Xmax = -1.200 nT endtime = 1468 min.(UT), 24:28 UT Xend = -0.262 nT amplitude = 8.912 nT base duration time = 91 min. 2sigma = 6.828 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 1