Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 21.02.2014 beginning time = 1386 min.(UT), 23: 6 UT Xbegin = -5.274 nT time of max = 1427 min.(UT), 23:47 UT Xmax = 6.018 nT Y at Xmax = -0.636 nT endtime = 1498 min.(UT), 24:58 UT Xend = -6.518 nT amplitude = 11.292 nT base duration time =112 min. 2sigma = 4.545 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0 flagxcheck = 0