swath: IW1
Bperp (average): -90.04972130725231
Bpar (average): 36.38804497915585
swath: IW2
Bperp (average): -87.0289752576292
Bpar (average): 43.19272435588468
swath: IW3
Bperp (average): -84.17517386921857
Bpar (average): 48.50385920640999