Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 23.04.2021
 
 beginning time = 1344 min.(UT), 22:24 UT
 Xbegin =        -21.104 nT
 time of max =    1390 min.(UT), 23:10 UT
 Xmax =           28.940 nT
 Y at Xmax =      -0.960 nT
 endtime =        1443 min.(UT), 24: 3 UT
 Xend =          -14.710 nT
 amplitude =      50.044 nT
 base duration time = 99 min.
 2sigma =         12.265 nT
 duration at 2sigma = 36 min.
 flagbegin = 0
 flagend =   2
 flagxcheck = 0