Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.03.2013 beginning time = 1102 min.(UT), 18:22 UT Xbegin = -4.384 nT time of max = 1116 min.(UT), 18:36 UT Xmax = 25.284 nT Y at Xmax = -8.008 nT endtime = 1141 min.(UT), 19: 1 UT Xend = -18.270 nT amplitude = 29.668 nT base duration time = 39 min. 2sigma = 18.843 nT duration at 2sigma = 18 min. flagbegin = 0 flagend = 0 flagxcheck = 0