Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 29.12.2014 beginning time = 1285 min.(UT), 21:25 UT Xbegin = -19.884 nT time of max = 1317 min.(UT), 21:57 UT Xmax = 16.764 nT Y at Xmax = -14.428 nT endtime = 1335 min.(UT), 22:15 UT Xend = 2.306 nT amplitude = 36.648 nT base duration time = 50 min. 2sigma = 15.545 nT duration at 2sigma = 6 min. flagbegin = 0 flagend = 0 flagxcheck = 0