Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 18.04.2021
 
 beginning time = 1210 min.(UT), 20:10 UT
 Xbegin =        -15.220 nT
 time of max =    1264 min.(UT), 21: 4 UT
 Xmax =            8.632 nT
 Y at Xmax =      -8.604 nT
 endtime =        1331 min.(UT), 22:11 UT
 Xend =           -7.202 nT
 amplitude =      23.852 nT
 base duration time =121 min.
 2sigma =          6.061 nT
 duration at 2sigma = 16 min.
 flagbegin = 4
 flagend =   0
 flagxcheck = 0