Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 29.03.2017 beginning time = 1330 min.(UT), 22:10 UT Xbegin = -3.522 nT time of max = 1340 min.(UT), 22:20 UT Xmax = 11.736 nT Y at Xmax = -6.146 nT endtime = 1389 min.(UT), 23: 9 UT Xend = -15.278 nT amplitude = 15.258 nT base duration time = 59 min. 2sigma = 7.859 nT duration at 2sigma = 14 min. flagbegin = 0 flagend = 2 flagxcheck = 0