Isocenter

Angle

FS

Stability

Table

Deviation

A

m

M

A

m

M

A

m

M

A

m

M

A

m

M

Linac

83

9

9

82

12

6

70

22

9

96

0

4

67

19

14

Cobalt unit

36

21

43

78

11

11

57

36

7

69

31

0

67

25

8

Simulator

64

29

7

90

0

10

71

21

7

85

15

0

58

33

8