USGS

Venus Mapping White Paper

Open-File Report 95-519


Table 1C

Venus latitude, special left-looking Maxwell profile incidence angle, and Muhleman correction in decibels. South latitudes are negative, north latitudes are positive.

[correction factor can be added to Magellan normalized cross section values to obtain backscatter coefficient ]

Lat
Ang
Factor
Lat
Ang
Factor
Lat
Ang
Factor
-90
*****
*****
-30
*****
*****
30
33.10
-14.38
-89
*****
*****
-29
*****
*****
31
33.33
-14.45
-88
*****
*****
-28
*****
*****
32
33.55
-14.52
-87
*****
*****
-27
*****
*****
33
33.78
-14.59
-86
*****
*****
-26
*****
*****
34
33.99
-14.66
-85
*****
*****
-25
*****
*****
35
34.20
-14.73
-84
*****
*****
-24
*****
*****
36
34.40
-14.79
-83
*****
*****
-23
*****
*****
37
34.59
-14.85
-82
*****
*****
-22
*****
*****
38
34.77
-14.91
-81
*****
*****
-21
*****
*****
39
34.94
-14.96
-80
*****
*****
-20
*****
*****
40
35.11
-15.01
-79
*****
*****
-19
*****
*****
41
35.27
-15.06
-78
*****
*****
-18
*****
*****
42
35.42
-15.11
-77
*****
*****
-17
*****
*****
43
35.55
-15.14
-76
*****
*****
-16
*****
*****
44
35.67
-15.18
-75
*****
*****
-15
*****
*****
45
35.77
-15.21
-74
*****
*****
-14
*****
*****
46
35.86
-15.24
-73
*****
*****
-13
*****
*****
47
35.94
-15.26
-72
*****
*****
-12
*****
*****
48
36.00
-15.28
-71
*****
*****
-11
*****
*****
49
36.05
-15.30
-70
*****
*****
-10
*****
*****
50
36.08
-15.31
-69
*****
*****
-9
*****
*****
51
36.08
-15.31
-68
*****
*****
-8
*****
*****
52
36.06
-15.30
-67
*****
*****
-7
*****
*****
53
36.03
-15.29
-66
*****
*****
-6
*****
*****
54
35.98
-15.28
-65
*****
*****
-5
*****
*****
55
35.90
-15.25
-64
*****
*****
-4
*****
*****
56
35.78
-15.22
-63
*****
*****
-3
*****
*****
57
35.65
-15.18
-62
*****
*****
-2
*****
*****
58
35.48
-15.12
-61
*****
*****
-1
*****
*****
59
35.29
-15.07
-60
*****
*****
0
*****
*****
60
35.06
-15.00
-59
*****
*****
1
*****
*****
61
34.81
-14.92
-58
*****
*****
2
*****
*****
62
34.51
-14.82
-57
*****
*****
3
*****
*****
63
34.18
-14.72
-56
*****
*****
4
*****
*****
64
33.80
-14.60
-55
*****
*****
5
*****
*****
65
33.40
-14.47
-54
*****
*****
6
*****
*****
66
32.93
-14.33
-53
*****
*****
7
*****
*****
67
32.46
-14.17
-52
*****
*****
8
*****
*****
68
31.95
-14.00
-51
*****
*****
9
*****
*****
69
31.38
-13.81
-50
*****
*****
10
*****
*****
70
30.77
-13.61
-49
*****
*****
11
*****
*****
71
30.12
-13.38
-48
*****
*****
12
*****
*****
72
29.42
-13.14
-47
*****
*****
13
*****
*****
73
28.68
-12.87
-46
*****
*****
14
*****
*****
74
27.90
-12.59
-45
*****
*****
15
*****
*****
75
27.08
-12.28
-44
*****
*****
16
*****
*****
76
26.21
-11.95
-43
*****
*****
17
*****
*****
77
*****
*****
-42
*****
*****
18
*****
*****
78
*****
*****
-41
*****
*****
19
30.32
-13.45
79
*****
*****
-40
*****
*****
20
30.59
-13.55
80
*****
*****
-39
*****
*****
21
30.85
-13.64
81
*****
*****
-38
*****
*****
22
31.12
-13.72
82
*****
*****
-37
*****
*****
23
31.37
-13.81
83
*****
*****
-36
*****
*****
24
31.63
-13.90
84
*****
*****
-35
*****
*****
25
31.88
-13.98
85
*****
*****
-34
*****
*****
26
32.13
-14.06
86
*****
*****
-33
*****
*****
27
32.38
-14.15
87
*****
*****
-32
*****
*****
28
32.62
-14.22
88
*****
*****
-31
*****
*****
29
32.86
-14.30
89
*****
*****