Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 20.12.2018
 
 beginning time = 1193 min.(UT), 19:53 UT
 Xbegin =         -9.598 nT
 time of max =    1211 min.(UT), 20:11 UT
 Xmax =            6.282 nT
 Y at Xmax =      -3.604 nT
 endtime =        1226 min.(UT), 20:26 UT
 Xend =            2.200 nT
 amplitude =      15.880 nT
 base duration time = 33 min.
 2sigma =          4.196 nT
 duration at 2sigma = 11 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0