swath: IW1
Bperp (average): -118.74435276430418
Bpar (average): 44.402073126415054
swath: IW2
Bperp (average): -114.65094911983864
Bpar (average): 53.721842289743556
swath: IW3
Bperp (average): -110.53099942506496
Bpar (average): 61.15795044039189