swath: IW1
Bperp (average): 258.15517332089485
Bpar (average): -106.21814698910386
swath: IW2
Bperp (average): 249.1025735798666
Bpar (average): -126.85828084283442
swath: IW3
Bperp (average): 240.12907843570136
Bpar (average): -143.5392626905776