Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 18.07.2013 beginning time = 1174 min.(UT), 19:34 UT Xbegin = -10.484 nT time of max = 1192 min.(UT), 19:52 UT Xmax = 19.166 nT Y at Xmax = 11.524 nT endtime = 1239 min.(UT), 20:39 UT Xend = -10.764 nT amplitude = 29.650 nT base duration time = 65 min. 2sigma = 8.442 nT duration at 2sigma = 26 min. flagbegin = 0 flagend = 0 flagxcheck = 0