Table 5.

Picket Fence peak occurrence for cardinal angles and arc verifying MLC positioning accuracy.

	Peak Occurrence (cm)
Gantry 270	Gantry 180	Gantry 90	Gantry 0	Arc 356°	Static Range (cm)	Average Static (cm)	Arc ‐ Ave Static (cm)
$-9.16$	$-9.06$	$-9.08$	$-9.16$	$-9.08$	0.102	$-9.11$	0.032
$-6.06$	$-5.98$	$-5.96$	$-6.06$	$-5.98$	0.102	$-6.02$	0.032
$-3.01$	$-2.94$	$-2.94$	$-2.99$	$-2.91$	0.077	$-2.97$	0.058
0.06	0.14	0.14	0.06	0.19	0.077	0.10	$-0.090$
3.11	3.16	3.19	3.13	3.21	0.077	3.15	$-0.064$
6.16	6.21	6.26	6.21	6.31	0.102	6.21	$-0.102$
9.20	9.25	9.31	9.25	9.36	0.102	9.25	$-0.102$