Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 24.07.2010 beginning time = 1269 min.(UT), 21: 9 UT Xbegin = -2.830 nT time of max = 1291 min.(UT), 21:31 UT Xmax = 5.532 nT Y at Xmax = -3.070 nT endtime = 1327 min.(UT), 22: 7 UT Xend = -1.664 nT amplitude = 8.362 nT base duration time = 58 min. 2sigma = 2.635 nT duration at 2sigma = 23 min. flagbegin = 0 flagend = 0 flagxcheck = 0