Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 19.12.2021
 
 beginning time = 1088 min.(UT), 18: 8 UT
 Xbegin =         -7.702 nT
 time of max =    1119 min.(UT), 18:39 UT
 Xmax =           20.094 nT
 Y at Xmax =       2.016 nT
 endtime =        1147 min.(UT), 19: 7 UT
 Xend =          -14.250 nT
 amplitude =      27.796 nT
 base duration time = 59 min.
 2sigma =          8.268 nT
 duration at 2sigma = 15 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0