swath: IW1
Bperp (average): 260.7084875068429
Bpar (average): -97.68692330451005
swath: IW2
Bperp (average): 253.32547038232624
Bpar (average): -118.52960094163319
swath: IW3
Bperp (average): 246.17694743358535
Bpar (average): -135.58823531554663