N

Observation

Period Te, days

N_E

N_A

N_S

Success

Rate

Alarm

Rate

Probability

Gain

1 (2001)

343

9

7

6

0.85

0.66

6.47

2 (2002)

364

15

14

7

0.50

0.47

2.45

3 (2003)

264

10

13

3

0.23

0.30

1.22

Total

971

34

34

16

0.47

0.47

2.68