Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 23.04.2014 beginning time = 1198 min.(UT), 19:58 UT Xbegin = -6.318 nT time of max = 1244 min.(UT), 20:44 UT Xmax = 6.632 nT Y at Xmax = 1.418 nT endtime = 1292 min.(UT), 21:32 UT Xend = -2.360 nT amplitude = 12.950 nT base duration time = 94 min. 2sigma = 4.537 nT duration at 2sigma = 17 min. flagbegin = 2 flagend = 0 flagxcheck = 0