swath: IW1
Bperp (average): -127.97887989923089
Bpar (average): 85.42352782547646
swath: IW2
Bperp (average): -120.64087779115705
Bpar (average): 95.46337007592508
swath: IW3
Bperp (average): -113.84731487810474
Bpar (average): 103.43269018455337