Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.11.2017 beginning time = 1275 min.(UT), 21:15 UT Xbegin = -6.614 nT time of max = 1320 min.(UT), 22: 0 UT Xmax = 7.912 nT Y at Xmax = -2.358 nT endtime = 1372 min.(UT), 22:52 UT Xend = -5.182 nT amplitude = 14.526 nT base duration time = 97 min. 2sigma = 5.398 nT duration at 2sigma = 27 min. flagbegin = 0 flagend = 0 flagxcheck = 0