Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.08.2012 beginning time = 1260 min.(UT), 21: 0 UT Xbegin = -5.910 nT time of max = 1291 min.(UT), 21:31 UT Xmax = 13.806 nT Y at Xmax = -8.250 nT endtime = 1332 min.(UT), 22:12 UT Xend = -7.758 nT amplitude = 19.716 nT base duration time = 72 min. 2sigma = 7.376 nT duration at 2sigma = 23 min. flagbegin = 0 flagend = 0 flagxcheck = 0