214 
TABLE I: SIR-B Data for Study Area Imagery 
Orbit/Data Take Number 
45.2 
93.2 
97.4 
Date 
Oct. 8,'84 
Oct. 11,'84 
Oct. 11,'84 
Track (to true North) 
63.8 
65.9 
115.4 
Look Direction (to North) 
333.8 
335.9 
25.4 
Center Incidence Angle 
52.3 
15.7 
40.9 
Center Resolution 
Ground Range 
17.8m 
52.0m 
21.5m 
Azimuth 
28.9m 
25.6m 
34.6m 
TABLE II: Accuracy of Settlement Detection and Errors 
Data 
Take 
(Pass) 
Incidence 
Anqle 
Total # 
of 
Settle. 
Number 
Detected 
Percent 
Detected 
# of Com 
mission 
Errors 
Total # 
of 
Points 
Absolute 
Percent 
Accuracy 
(Meters) 
Resolution 
45.2 
(Pass 1) 
52.3 
772 
495 
64.1 
18 
790 
62.7 
17.8 x 28.9 
93.2 
(Pass 2) 
15.7 
316 
142 
44.9 
199 
513 
27.7 
52.6 x 25.6 
97.4 
(Pass 3) 
40.9 
860 
731 
85.0 
97 
957 
76.4 
21.5 x 34.6 
(A) (D) (B) (C) (E) 
A + B = C D/C (100) = E 
TABLE III: Accuracy of Sub-Area Settlement Detection and Errors 
Data 
Take 
(Pass) 
Incidence 
Anqle 
Look 
Direc. 
To N 
Total # 
of 
Settle. 
Number 
Detected 
Percent 
Detected 
# of Com 
mission 
Errors 
Total # 
of 
Points 
Absolute 
Percent 
Accuracy 
45.2 
(1) 
52.3 
333.8 
293 
255 
80.2 
36 
329 
77.5 
97.4 
(3) 
40.9 
25.4 
298 
213 
71.5 
44 
342 
62.3