Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 08.01.2011 beginning time = 1197 min.(UT), 19:57 UT Xbegin = -3.826 nT time of max = 1235 min.(UT), 20:35 UT Xmax = 6.152 nT Y at Xmax = 1.620 nT endtime = 1248 min.(UT), 20:48 UT Xend = 0.916 nT amplitude = 9.978 nT base duration time = 51 min. 2sigma = 5.102 nT duration at 2sigma = 11 min. flagbegin = 0 flagend = 0 flagxcheck = 0