Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 04.03.2015 beginning time = 1349 min.(UT), 22:29 UT Xbegin = -8.400 nT time of max = 1373 min.(UT), 22:52 UT Xmax = 10.412 nT Y at Xmax = -2.860 nT endtime = 1413 min.(UT), 23:33 UT Xend = -4.026 nT amplitude = 18.812 nT base duration time = 64 min. 2sigma = 5.964 nT duration at 2sigma = 25 min. flagbegin = 0 flagend = 0