Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 08.12.2015 beginning time = 1336 min.(UT), 22:16 UT Xbegin = -4.510 nT time of max = 1363 min.(UT), 22:43 UT Xmax = 7.840 nT Y at Xmax = -2.472 nT endtime = 1399 min.(UT), 23:19 UT Xend = -7.520 nT amplitude = 12.350 nT base duration time = 63 min. 2sigma = 5.398 nT duration at 2sigma = 15 min. flagbegin = 0 flagend = 0