Table VI.

Calculated and measured EDWF for field geometry C, 6 MV photons.

	$-1\hspace{0.17em}\text{cm}$			Center of field (–5 cm)			–8cm
EDW angle	Calc.	Meas.	% diff.	Calc.	Meas.	% diff.	Calc.	Meas.	% diff.
10	0.976	0.973	$-0.31$	0.948	0.948	0.00	0.933	0.931	$-0.21$
15	0.964	0.961	$-0.31$	0.922	0.920	$-0.22$	0.899	0.896	$-0.33$
20	0.952	0.950	$-0.21$	0.895	0.893	$-0.22$	0.864	0.862	$-0.23$
25	0.939	0.934	$-0.53$	0.867	0.862	$-0.58$	0.827	0.823	$-0.48$
30	0.925	0.916	$-0.97$	0.836	0.831	$-0.60$	0.788	0.783	$-0.63$
45	0.874	0.860	$-1.60$	0.726	0.715	$-1.52$	0.645	0.637	$-1.24$
60	0.794	0.772	$-2.77$	0.552	0.536	$-2.90$	0.419	0.409	$-2.39$