Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 26.05.2013 beginning time = 1232 min.(UT), 20:32 UT Xbegin = 2.686 nT time of max = 1251 min.(UT), 20:51 UT Xmax = 8.522 nT Y at Xmax = 1.536 nT endtime = 1285 min.(UT), 21:25 UT Xend = -1.120 nT amplitude = 5.836 nT base duration time = 53 min. 2sigma = 11.242 nT duration at 2sigma = 0 min. flagbegin = 0 flagend = 0 flagxcheck = 0