Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 21.01.2015 beginning time = 1068 min.(UT), 17:48 UT Xbegin = -16.026 nT time of max = 1095 min.(UT), 18:15 UT Xmax = 11.262 nT Y at Xmax = 0.012 nT endtime = 1136 min.(UT), 18:56 UT Xend = -6.194 nT amplitude = 27.288 nT base duration time = 68 min. 2sigma = 6.385 nT duration at 2sigma = 11 min. flagbegin = 0 flagend = 0