Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.10.2017 beginning time = 1312 min.(UT), 21:52 UT Xbegin = -5.574 nT time of max = 1361 min.(UT), 22:41 UT Xmax = 5.814 nT Y at Xmax = -10.274 nT endtime = 1405 min.(UT), 23:25 UT Xend = -3.218 nT amplitude = 11.388 nT base duration time = 93 min. 2sigma = 7.165 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0