Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.12.2015 beginning time = 1240 min.(UT), 20:40 UT Xbegin = -6.892 nT time of max = 1260 min.(UT), 21: 0 UT Xmax = 5.306 nT Y at Xmax = -1.398 nT endtime = 1303 min.(UT), 21:43 UT Xend = -4.444 nT amplitude = 12.198 nT base duration time = 63 min. 2sigma = 5.362 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 4