Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 13.10.2017 beginning time = 1299 min.(UT), 21:39 UT Xbegin = -1.414 nT time of max = 1325 min.(UT), 22: 5 UT Xmax = 15.688 nT Y at Xmax = -3.138 nT endtime = 1367 min.(UT), 22:47 UT Xend = -16.106 nT amplitude = 17.102 nT base duration time = 68 min. 2sigma = 16.292 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0