Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.03.2012 beginning time = 1237 min.(UT), 20:37 UT Xbegin = -5.968 nT time of max = 1260 min.(UT), 21: 0 UT Xmax = 10.528 nT Y at Xmax = 7.628 nT endtime = 1282 min.(UT), 21:22 UT Xend = 2.452 nT amplitude = 16.496 nT base duration time = 45 min. 2sigma = 8.735 nT duration at 2sigma = 12 min. flagbegin = 0 flagend = 0 flagxcheck = 0