swath: IW1
Bperp (average): -142.81704599513833
Bpar (average): 66.5331847080492
swath: IW2
Bperp (average): -137.13318354513214
Bpar (average): 77.60761017418436
swath: IW3
Bperp (average): -131.79448595365182
Bpar (average): 86.3878684041963