Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 30.01.2012 beginning time = 1401 min.(UT), 23:21 UT Xbegin = -5.852 nT time of max = 1412 min.(UT), 23:32 UT Xmax = 11.178 nT Y at Xmax = -9.512 nT endtime = 1438 min.(UT), 23:58 UT Xend = -5.645 nT amplitude = 17.030 nT base duration time = 37 min. 2sigma = 6.277 nT duration at 2sigma = 12 min. flagbegin = 0 flagend = 0 flagxcheck = 0