Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 04.08.2014 beginning time = 1315 min.(UT), 21:55 UT Xbegin = -4.700 nT time of max = 1335 min.(UT), 22:15 UT Xmax = 10.276 nT Y at Xmax = -5.334 nT endtime = 1368 min.(UT), 22:48 UT Xend = -4.138 nT amplitude = 14.976 nT base duration time = 53 min. 2sigma = 4.821 nT duration at 2sigma = 18 min. flagbegin = 0 flagend = 0 flagxcheck = 0