Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 04.03.2014 beginning time = 1370 min.(UT), 22:50 UT Xbegin = -3.918 nT time of max = 1406 min.(UT), 23:26 UT Xmax = 8.316 nT Y at Xmax = -0.066 nT endtime = 1441 min.(UT), 24: 1 UT Xend = -4.208 nT amplitude = 12.234 nT base duration time = 71 min. 2sigma = 3.771 nT duration at 2sigma = 23 min. flagbegin = 0 flagend = 2 flagxcheck = 0