Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 20.12.2007
 
 beginning time = 1128 min.(UT), 18:48 UT
 Xbegin =         -8.976 nT
 time of max =    1149 min.(UT), 19: 9 UT
 Xmax =            7.820 nT
 Y at Xmax =       4.182 nT
 endtime =        1172 min.(UT), 19:32 UT
 Xend =            2.096 nT
 amplitude =      16.796 nT
 base duration time = 44 min.
 2sigma =          8.494 nT
 duration at 2sigma =  0 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0