Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 05.12.2017 beginning time = 1347 min.(UT), 22:27 UT Xbegin = 1.442 nT time of max = 1360 min.(UT), 22:40 UT Xmax = 7.164 nT Y at Xmax = -7.672 nT endtime = 1375 min.(UT), 22:55 UT Xend = -2.704 nT amplitude = 5.722 nT base duration time = 28 min. 2sigma = 14.473 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0