Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.03.2017 beginning time = 1196 min.(UT), 19:56 UT Xbegin = -12.144 nT time of max = 1215 min.(UT), 20:15 UT Xmax = 24.090 nT Y at Xmax = -0.552 nT endtime = 1282 min.(UT), 21:22 UT Xend = -12.474 nT amplitude = 36.234 nT base duration time = 86 min. 2sigma = 11.886 nT duration at 2sigma = 36 min. flagbegin = 0 flagend = 0 flagxcheck = 0