swath: IW1
Bperp (average): -313.58849761231875
Bpar (average): 219.1860872321705
swath: IW2
Bperp (average): -295.2693503890738
Bpar (average): 243.93607566778314
swath: IW3
Bperp (average): -278.41026320468825
Bpar (average): 263.6142360190953