TABLE B-1-10. ANGULAR RESPONSEOF IMP to 2414m SOURCE
COUNTS
(900 sec)
ALONG MAST
PROJECTION
3348
2128
1072
569
226
193
HORIZONTAL
DISTANCE
(em)
0
395
700
1000
1420
1750
NORMAL
TO MAST
3308
2027
1109
532
229
203
RELATIVE
COUNTS
1.000
0.624
0.328
0.165
0.068
0.060
ANGLE
w/DETECTOR
AXIS (deg)
0
29.9
44.6
54.6
63.4
67.9
CALCULATED
RESPONSE
1.000
0.649
0.356
0.184
0.069
0.040
NOTES:
1.
2.
3.
4.
IMP I measurement, Detector 635, 3/15/79.
Detector height: 710 cm.
Collimator removed (measurements and response calculation different at angles greater
than 55 degrees than corresponding values with collimator).
Relative counts corrected for measured background of 114 counts in 1800 seconds.
TABLE B-1-11. MEASUREMENTS THROUGH BRUSH
A. DATA*
SOURCE
COUNTS(900 see)
STAKE
W/SOURCE
HORIZONTAL
NO SOURCE
DISTANCE
(em)
ANGLE
W/DETECTOR
(DEGREES)
Unknown
4-N-2
4-8-6
2319
3226
1775
331
1209
132
300
440
500
22.9
31.8
35.2
4-S-4
1828
281
500
35.2
8-5-2
1867
1588
600
40.2
2-5-4
675
119
600
40.2
6-BL-0
1348
818
950
53.2
BRUSH DESCRIPTION
3 Ft. Seaevola
Morning Glories
2 ft. Medium Dense
Scaevola
4 ft. Medium Dense
Scaevola
8 ft. Medium Dense
Seaevola
Medium Dense Scaevola
with Deadwood
2 ft. Seaevola with Moss
* IMP II, detector 635, 3/19-20/1979
B. ANALYSIS
STAKE
ANGLE
RELATIVE COUNT
W/BRUSH NO BRUSH**
—BCF
Unknown
4-N-~-2
4-S-6
4-5-4
8-5-2
22.9
31.8
35.2
35.2
40.2
0.593
0.606
0.494
0.465
0.084
0.737
0.590
0.510
0.510
0.410
1.232
0.974
1.032
1.097
4.88
2-S-4
6-BL-0
40.2
53.2
0.167
0.159
0.410
0.176
2.46
1.107
1.12
**From Figure B-1-3
B-1-13
COMMENTS
Discard - Morning glories, not brush
Discard - Source and No Source
counts too close together
Diseard - Not physically believable
Discard - Questionable - High
sensitivity to detector angle
Average of three valid runs