SNS arc dipole (17D120) 
modeled by W. Meng with TOSCA 3D

Fourier Analysis on R=8 cm circle around the beam arc 
starting from X=2.34821 cm, Y=0, Z=0; 
initial direction along Z; increment of 0.5 cm
INTEGRATED  DIPOLE FIELD: 1.1085 T m, 
magnetic length = 1.4357 cm (1 GeV)
Computed harmonics @ radius r = 8cm 
EXPRESSED IN PARTS X 10^{-4} of the main field
		
		n	an	 bn 
		1	0.00 10000
		2       0.00     7.40
		3       0.00     0.91
		4       0.00     0.41
		5	0.00     4.30

Fourier Analysis on R=8 cm circle around the magnet central line; 
X=Y=0.0;  increment dZ = 0.5 cm		
INTEGRATED  DIPOLE FIELD: 1.1085 T m, 
magnetic length = 1.4357 cm (1 GeV)
Computed harmonics @ radius r = 8cm 
EXPRESSED IN PARTS X 10^{-4} of the main field						
	
		n	an	 bn 
		1	0.00 10000
		2       0.00   107.47
		3       0.00     0.66
		4       0.00    -2.14
		5	0.00     3.93