Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.04.2014 beginning time = 1317 min.(UT), 21:57 UT Xbegin = -5.152 nT time of max = 1326 min.(UT), 22: 6 UT Xmax = 8.464 nT Y at Xmax = -5.334 nT endtime = 1380 min.(UT), 23: 0 UT Xend = -4.016 nT amplitude = 13.616 nT base duration time = 63 min. 2sigma = 9.163 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 1