Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.03.2015 beginning time = 1385 min.(UT), 23: 5 UT Xbegin = -53.638 nT time of max = 1417 min.(UT), 23:38 UT Xmax = 71.964 nT Y at Xmax = 0.232 nT endtime = 1486 min.(UT), 24:46 UT Xend = -25.216 nT amplitude = 125.602 nT base duration time =101 min. 2sigma = 32.469 nT duration at 2sigma = 24 min. flagbegin = 0 flagend = 0