Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 14.01.2011 beginning time = 1253 min.(UT), 20:53 UT Xbegin = -3.770 nT time of max = 1274 min.(UT), 21:14 UT Xmax = 9.894 nT Y at Xmax = 0.848 nT endtime = 1320 min.(UT), 22: 0 UT Xend = -4.984 nT amplitude = 13.664 nT base duration time = 67 min. 2sigma = 5.320 nT duration at 2sigma = 19 min. flagbegin = 0 flagend = 0 flagxcheck = 0