Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 27.03.2009
 
 beginning time = 1071 min.(UT), 17:51 UT
 Xbegin =        -10.756 nT
 time of max =    1092 min.(UT), 18:12 UT
 Xmax =           16.472 nT
 Y at Xmax =       9.608 nT
 endtime =        1144 min.(UT), 19: 4 UT
 Xend =           -3.678 nT
 amplitude =      27.228 nT
 base duration time = 73 min.
 2sigma =          5.276 nT
 duration at 2sigma = 27 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0