USGS

Venus Mapping White Paper

Open-File Report 95-519


Table 1B

Venus latitude, right-looking 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
25.14
-11.53
30
24.99
-11.47
-89
13.14
-5.49
-29
25.11
-11.51
31
25.00
-11.47
-88
13.49
-5.71
-28
25.08
-11.50
32
25.00
-11.47
-87
13.87
-5.95
-27
25.05
-11.49
33
25.00
-11.47
-86
14.31
-6.22
-26
25.02
-11.48
34
25.00
-11.47
-85
14.75
-6.49
-25
25.00
-11.47
35
25.00
-11.47
-84
15.25
-6.78
-24
25.00
-11.47
36
25.00
-11.47
-83
15.75
-7.07
-23
25.00
-11.47
37
25.00
-11.47
-82
16.23
-7.34
-22
25.00
-11.47
38
25.00
-11.47
-81
16.71
-7.60
-21
24.98
-11.46
39
25.00
-11.47
-80
17.24
-7.89
-20
24.95
-11.45
40
25.00
-11.47
-79
17.75
-8.16
-19
24.92
-11.44
41
25.00
-11.47
-78
18.24
-8.41
-18
24.90
-11.43
42
25.00
-11.47
-77
18.71
-8.65
-17
24.90
-11.43
43
25.00
-11.47
-76
19.14
-8.87
-16
24.90
-11.43
44
25.00
-11.47
-75
19.60
-9.09
-15
24.90
-11.43
45
25.00
-11.47
-74
20.08
-9.32
-14
24.88
-11.42
46
25.00
-11.47
-73
20.50
-9.52
-13
24.84
-11.41
47
25.00
-11.47
-72
20.88
-9.70
-12
24.81
-11.40
48
25.00
-11.47
-71
21.27
-9.87
-11
24.80
-11.39
49
25.00
-11.47
-70
21.63
-10.04
-10
24.80
-11.39
50
25.00
-11.47
-69
21.96
-10.18
-9
24.80
-11.39
51
25.00
-11.47
-68
22.24
-10.31
-8
24.80
-11.39
52
25.00
-11.47
-67
22.52
-10.43
-7
24.80
-11.39
53
25.00
-11.47
-66
22.81
-10.56
-6
24.80
-11.39
54
25.00
-11.47
-65
23.08
-10.67
-5
24.80
-11.39
55
25.00
-11.47
-64
23.33
-10.78
-4
24.80
-11.39
56
25.00
-11.47
-63
23.56
-10.88
-3
24.80
-11.39
57
25.00
-11.47
-62
23.75
-10.96
-2
24.80
-11.39
58
25.00
-11.47
-61
23.93
-11.04
-1
24.80
-11.39
59
25.00
-11.47
-60
24.10
-11.10
0
24.80
-11.39
60
25.00
-11.47
-59
24.25
-11.17
1
24.80
-11.39
61
25.00
-11.47
-58
24.40
-11.23
2
24.80
-11.39
62
25.00
-11.47
-57
24.53
-11.28
3
24.80
-11.39
63
25.00
-11.47
-56
24.63
-11.32
4
24.80
-11.39
64
25.00
-11.47
-55
24.72
-11.36
5
24.80
-11.39
65
25.00
-11.47
-54
24.81
-11.40
6
24.80
-11.39
66
25.00
-11.47
-53
24.88
-11.42
7
24.80
-11.39
67
25.00
-11.47
-52
24.94
-11.45
8
24.80
-11.39
68
25.00
-11.47
-51
25.00
-11.47
9
24.80
-11.39
69
24.96
-11.45
-50
25.06
-11.50
10
24.80
-11.39
70
24.92
-11.44
-49
25.12
-11.52
11
24.80
-11.39
71
24.90
-11.43
-48
25.19
-11.55
12
24.81
-11.39
72
24.90
-11.43
-47
25.20
-11.55
13
24.83
-11.40
73
24.89
-11.43
-46
25.20
-11.55
14
24.85
-11.41
74
24.80
-11.39
-45
25.20
-11.55
15
24.87
-11.42
75
24.70
-11.35
-44
25.20
-11.55
16
24.89
-11.43
76
*****
*****
-43
25.20
-11.55
17
24.90
-11.43
77
*****
*****
-42
25.20
-11.55
18
24.90
-11.43
78
*****
*****
-41
25.20
-11.55
19
24.90
-11.43
79
*****
*****
-40
25.20
-11.55
20
24.90
-11.43
80
*****
*****
-39
25.20
-11.55
21
24.90
-11.43
81
*****
*****
-38
25.20
-11.55
22
24.90
-11.43
82
*****
*****
-37
25.20
-11.55
23
24.90
-11.43
83
*****
*****
-36
25.20
-11.55
24
24.90
-11.43
84
*****
*****
-35
25.20
-11.55
25
24.90
-11.43
85
*****
*****
-34
25.20
-11.55
26
24.90
-11.43
86
*****
*****
-33
25.20
-11.55
27
24.92
-11.44
87
*****
*****
-32
25.20
-11.55
28
24.95
-11.45
88
*****
*****
-31
25.17
-11.54
29
24.97
-11.46
89
*****
*****