swath: IW1
Bperp (average): -134.68251160914406
Bpar (average): 54.83466598616313
swath: IW2
Bperp (average): -129.49706363797478
Bpar (average): 65.52454961813778
swath: IW3
Bperp (average): -124.2553348884678
Bpar (average): 74.1074845441177