Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 04.03.2017 beginning time = 1277 min.(UT), 21:17 UT Xbegin = -12.030 nT time of max = 1317 min.(UT), 21:57 UT Xmax = 15.748 nT Y at Xmax = 0.648 nT endtime = 1376 min.(UT), 22:56 UT Xend = -13.004 nT amplitude = 27.778 nT base duration time = 99 min. 2sigma = 8.591 nT duration at 2sigma = 35 min. flagbegin = 0 flagend = 0 flagxcheck = 0