Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.04.2017 beginning time = 1392 min.(UT), 23:12 UT Xbegin = -0.742 nT time of max = 1429 min.(UT), 23:49 UT Xmax = 12.344 nT Y at Xmax = 3.040 nT endtime = 1458 min.(UT), 24:18 UT Xend = -6.272 nT amplitude = 13.086 nT base duration time = 66 min. 2sigma = 15.555 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0