Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 25.05.2013 beginning time = 1299 min.(UT), 21:39 UT Xbegin = -17.178 nT time of max = 1312 min.(UT), 21:52 UT Xmax = 15.326 nT Y at Xmax = 5.352 nT endtime = 1335 min.(UT), 22:15 UT Xend = -3.182 nT amplitude = 32.504 nT base duration time = 36 min. 2sigma = 13.531 nT duration at 2sigma = 5 min. flagbegin = 0 flagend = 0 flagxcheck = 0