Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 23.12.2007
 
 beginning time = 1266 min.(UT), 21: 6 UT
 Xbegin =         -4.354 nT
 time of max =    1294 min.(UT), 21:34 UT
 Xmax =            9.794 nT
 Y at Xmax =      -3.630 nT
 endtime =        1355 min.(UT), 22:35 UT
 Xend =           -5.110 nT
 amplitude =      14.148 nT
 base duration time = 89 min.
 2sigma =          4.376 nT
 duration at 2sigma = 28 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0