Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.03.2015 beginning time = 1246 min.(UT), 20:46 UT Xbegin = -14.026 nT time of max = 1310 min.(UT), 21:51 UT Xmax = 10.644 nT Y at Xmax = 5.392 nT endtime = 1338 min.(UT), 22:18 UT Xend = -7.458 nT amplitude = 24.670 nT base duration time = 92 min. 2sigma = 19.041 nT duration at 2sigma = 0 min. flagbegin = 4 flagend = 2