Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.02.2015 beginning time = 1312 min.(UT), 21:52 UT Xbegin = -5.046 nT time of max = 1335 min.(UT), 22:15 UT Xmax = 5.238 nT Y at Xmax = -0.594 nT endtime = 1367 min.(UT), 22:47 UT Xend = -1.846 nT amplitude = 10.284 nT base duration time = 55 min. 2sigma = 2.447 nT duration at 2sigma = 20 min. flagbegin = 0 flagend = 0