Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 20.12.2010
 
 beginning time = 1263 min.(UT), 21: 3 UT
 Xbegin =         -6.526 nT
 time of max =    1299 min.(UT), 21:39 UT
 Xmax =            7.268 nT
 Y at Xmax =       1.324 nT
 endtime =        1355 min.(UT), 22:35 UT
 Xend =           -6.758 nT
 amplitude =      13.794 nT
 base duration time = 92 min.
 2sigma =          4.359 nT
 duration at 2sigma = 10 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0