Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.01.2012 beginning time = 1127 min.(UT), 18:47 UT Xbegin = -1.778 nT time of max = 1189 min.(UT), 19:49 UT Xmax = 6.002 nT Y at Xmax = 0.742 nT endtime = 1229 min.(UT), 20:29 UT Xend = -5.552 nT amplitude = 7.780 nT base duration time =102 min. 2sigma = 2.857 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 0 flagxcheck = 0