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 = 1060 min.(UT), 17:40 UT
 Xbegin =         -4.118 nT
 time of max =    1086 min.(UT), 18: 6 UT
 Xmax =           10.548 nT
 Y at Xmax =      -5.000 nT
 endtime =        1112 min.(UT), 18:32 UT
 Xend =          -11.502 nT
 amplitude =      14.666 nT
 base duration time = 52 min.
 2sigma =          8.494 nT
 duration at 2sigma = 10 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0