Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 19.12.2011
 
 beginning time = 1075 min.(UT), 17:55 UT
 Xbegin =         -1.552 nT
 time of max =    1101 min.(UT), 18:21 UT
 Xmax =            5.574 nT
 Y at Xmax =      -2.126 nT
 endtime =        1141 min.(UT), 19: 1 UT
 Xend =           -5.808 nT
 amplitude =       7.126 nT
 base duration time = 66 min.
 2sigma =          4.217 nT
 duration at 2sigma =  8 min.
 flagbegin = 0
 flagend =   4
 flagxcheck = 0