Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.06.2010 beginning time = 1248 min.(UT), 20:48 UT Xbegin = -1.666 nT time of max = 1264 min.(UT), 21: 4 UT Xmax = 7.548 nT Y at Xmax = -2.060 nT endtime = 1298 min.(UT), 21:38 UT Xend = -3.046 nT amplitude = 9.214 nT base duration time = 50 min. 2sigma = 5.195 nT duration at 2sigma = 14 min. flagbegin = 0 flagend = 0 flagxcheck = 0