Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.10.2010 beginning time = 1200 min.(UT), 20: 0 UT Xbegin = -5.898 nT time of max = 1214 min.(UT), 20:14 UT Xmax = 7.534 nT Y at Xmax = -4.588 nT endtime = 1253 min.(UT), 20:53 UT Xend = -4.910 nT amplitude = 13.432 nT base duration time = 53 min. 2sigma = 2.819 nT duration at 2sigma = 22 min. flagbegin = 0 flagend = 0 flagxcheck = 0