Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.10.2015 beginning time = 1252 min.(UT), 20:52 UT Xbegin = -6.140 nT time of max = 1274 min.(UT), 21:13 UT Xmax = 6.022 nT Y at Xmax = 4.556 nT endtime = 1316 min.(UT), 21:56 UT Xend = -1.736 nT amplitude = 12.162 nT base duration time = 64 min. 2sigma = 2.501 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0