Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 13.09.2021
 
 beginning time = 1356 min.(UT), 22:36 UT
 Xbegin =         -7.018 nT
 time of max =    1427 min.(UT), 23:47 UT
 Xmax =            5.232 nT
 Y at Xmax =      -1.126 nT
 endtime =        1467 min.(UT), 24:27 UT
 Xend =           -0.914 nT
 amplitude =      12.250 nT
 base duration time =111 min.
 2sigma =          5.003 nT
 duration at 2sigma =  4 min.
 flagbegin = 4
 flagend =   0
 flagxcheck = 0