Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 22.12.2009
 
 beginning time = 1224 min.(UT), 20:24 UT
 Xbegin =         -2.340 nT
 time of max =    1250 min.(UT), 20:50 UT
 Xmax =            5.574 nT
 Y at Xmax =       3.062 nT
 endtime =        1273 min.(UT), 21:13 UT
 Xend =           -1.150 nT
 amplitude =       7.914 nT
 base duration time = 49 min.
 2sigma =          2.065 nT
 duration at 2sigma = 26 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0