Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.05.2013 beginning time = 1236 min.(UT), 20:36 UT Xbegin = -8.858 nT time of max = 1281 min.(UT), 21:21 UT Xmax = 10.920 nT Y at Xmax = -6.908 nT endtime = 1304 min.(UT), 21:44 UT Xend = 0.268 nT amplitude = 19.778 nT base duration time = 68 min. 2sigma = 10.895 nT duration at 2sigma = 1 min. flagbegin = 0 flagend = 0 flagxcheck = 0