Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.03.2013 beginning time = 1305 min.(UT), 21:45 UT Xbegin = -20.284 nT time of max = 1338 min.(UT), 22:18 UT Xmax = 18.428 nT Y at Xmax = 1.860 nT endtime = 1386 min.(UT), 23: 6 UT Xend = -8.568 nT amplitude = 38.712 nT base duration time = 81 min. 2sigma = 11.242 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 0 flagxcheck = 0