Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 22.08.2017 beginning time = 1317 min.(UT), 21:57 UT Xbegin = -2.040 nT time of max = 1338 min.(UT), 22:18 UT Xmax = 6.650 nT Y at Xmax = 0.144 nT endtime = 1376 min.(UT), 22:56 UT Xend = -8.358 nT amplitude = 8.690 nT base duration time = 59 min. 2sigma = 9.269 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0