Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.04.2017 beginning time = 1332 min.(UT), 22:12 UT Xbegin = -9.548 nT time of max = 1386 min.(UT), 23: 6 UT Xmax = 11.988 nT Y at Xmax = -2.620 nT endtime = 1428 min.(UT), 23:48 UT Xend = -12.008 nT amplitude = 21.536 nT base duration time = 96 min. 2sigma = 6.414 nT duration at 2sigma = 29 min. flagbegin = 0 flagend = 0 flagxcheck = 0