Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.05.2013 beginning time = 1212 min.(UT), 20:12 UT Xbegin = -6.212 nT time of max = 1252 min.(UT), 20:52 UT Xmax = 10.030 nT Y at Xmax = -0.326 nT endtime = 1302 min.(UT), 21:42 UT Xend = -6.350 nT amplitude = 16.242 nT base duration time = 90 min. 2sigma = 5.998 nT duration at 2sigma = 16 min. flagbegin = 0 flagend = 0 flagxcheck = 0