Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 27.07.2013 beginning time = 1283 min.(UT), 21:23 UT Xbegin = -5.616 nT time of max = 1308 min.(UT), 21:48 UT Xmax = 8.478 nT Y at Xmax = -4.598 nT endtime = 1341 min.(UT), 22:21 UT Xend = -4.214 nT amplitude = 14.094 nT base duration time = 58 min. 2sigma = 6.031 nT duration at 2sigma = 7 min. flagbegin = 0 flagend = 0 flagxcheck = 0