Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 28.06.2013 beginning time = 1296 min.(UT), 21:36 UT Xbegin = -9.688 nT time of max = 1330 min.(UT), 22:10 UT Xmax = 16.026 nT Y at Xmax = 2.386 nT endtime = 1349 min.(UT), 22:29 UT Xend = -2.198 nT amplitude = 25.714 nT base duration time = 53 min. 2sigma = 11.348 nT duration at 2sigma = 10 min. flagbegin = 0 flagend = 0 flagxcheck = 0