Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 04.02.2011
 
 beginning time = 1372 min.(UT), 22:52 UT
 Xbegin =        -13.508 nT
 time of max =    1417 min.(UT), 23:37 UT
 Xmax =           24.956 nT
 Y at Xmax =      42.242 nT
 endtime =        1449 min.(UT), 24: 9 UT
 Xend =          -11.631 nT
 amplitude =      38.464 nT
 base duration time = 77 min.
 2sigma =         16.158 nT
 duration at 2sigma = 20 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0