Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.03.2015 beginning time = 1326 min.(UT), 22: 6 UT Xbegin = -10.000 nT time of max = 1360 min.(UT), 22:40 UT Xmax = 20.834 nT Y at Xmax = -4.858 nT endtime = 1424 min.(UT), 23:44 UT Xend = -13.616 nT amplitude = 30.834 nT base duration time = 98 min. 2sigma = 11.059 nT duration at 2sigma = 23 min. flagbegin = 0 flagend = 0