Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.01.2018 beginning time = 1057 min.(UT), 17:37 UT Xbegin = -1.786 nT time of max = 1093 min.(UT), 18:13 UT Xmax = 4.910 nT Y at Xmax = 1.298 nT endtime = 1125 min.(UT), 18:45 UT Xend = -2.698 nT amplitude = 6.696 nT base duration time = 68 min. 2sigma = 2.569 nT duration at 2sigma = 23 min. flagbegin = 0 flagend = 0 flagxcheck = 0