Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 02.05.2013 beginning time = 1202 min.(UT), 20: 2 UT Xbegin = -6.190 nT time of max = 1225 min.(UT), 20:25 UT Xmax = 12.266 nT Y at Xmax = 1.060 nT endtime = 1276 min.(UT), 21:16 UT Xend = -5.312 nT amplitude = 18.456 nT base duration time = 74 min. 2sigma = 4.352 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0