Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.12.2017 beginning time = 1103 min.(UT), 18:23 UT Xbegin = -6.232 nT time of max = 1123 min.(UT), 18:43 UT Xmax = 12.292 nT Y at Xmax = 2.554 nT endtime = 1192 min.(UT), 19:52 UT Xend = -4.376 nT amplitude = 18.524 nT base duration time = 89 min. 2sigma = 4.995 nT duration at 2sigma = 24 min. flagbegin = 0 flagend = 0 flagxcheck = 0