Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 12.07.2013 beginning time = 1308 min.(UT), 21:48 UT Xbegin = -3.148 nT time of max = 1349 min.(UT), 22:29 UT Xmax = 10.108 nT Y at Xmax = -3.228 nT endtime = 1367 min.(UT), 22:47 UT Xend = -5.680 nT amplitude = 13.256 nT base duration time = 59 min. 2sigma = 4.737 nT duration at 2sigma = 15 min. flagbegin = 0 flagend = 0 flagxcheck = 0