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 = 1299 min.(UT), 21:39 UT Xbegin = -9.722 nT time of max = 1345 min.(UT), 22:25 UT Xmax = 10.336 nT Y at Xmax = -14.086 nT endtime = 1392 min.(UT), 23:12 UT Xend = -5.376 nT amplitude = 20.058 nT base duration time = 93 min. 2sigma = 11.886 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0