Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.08.2013 beginning time = 1289 min.(UT), 21:29 UT Xbegin = -5.214 nT time of max = 1315 min.(UT), 21:55 UT Xmax = 6.328 nT Y at Xmax = -5.056 nT endtime = 1348 min.(UT), 22:28 UT Xend = 0.136 nT amplitude = 11.542 nT base duration time = 59 min. 2sigma = 2.815 nT duration at 2sigma = 31 min. flagbegin = 0 flagend = 0 flagxcheck = 0