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 = 1399 min.(UT), 23:19 UT Xbegin = -10.140 nT time of max = 1429 min.(UT), 23:49 UT Xmax = 18.300 nT Y at Xmax = -6.946 nT endtime = 1462 min.(UT), 24:22 UT Xend = -4.072 nT amplitude = 28.440 nT base duration time = 63 min. 2sigma = 10.895 nT duration at 2sigma = 28 min. flagbegin = 0 flagend = 0 flagxcheck = 0