Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 21.10.2021
 
 beginning time = 1342 min.(UT), 22:22 UT
 Xbegin =         -5.096 nT
 time of max =    1375 min.(UT), 22:55 UT
 Xmax =            7.204 nT
 Y at Xmax =      -0.212 nT
 endtime =        1421 min.(UT), 23:41 UT
 Xend =           -3.480 nT
 amplitude =      12.300 nT
 base duration time = 79 min.
 2sigma =          4.294 nT
 duration at 2sigma = 26 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0