Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 17.01.2013 beginning time = 1071 min.(UT), 17:51 UT Xbegin = -4.784 nT time of max = 1087 min.(UT), 18: 7 UT Xmax = 9.410 nT Y at Xmax = 13.262 nT endtime = 1112 min.(UT), 18:32 UT Xend = -6.102 nT amplitude = 14.194 nT base duration time = 41 min. 2sigma = 6.217 nT duration at 2sigma = 10 min. flagbegin = 0 flagend = 0 flagxcheck = 0