Windloading & Coax Attenuation

Page 36

Windloading for Coax 50/33 PSF

Transmission Line Size
20' Length
19.75' Length
19.5' Length
7/8"
50.5
49.9
49.3
1-5/8"
93.8
92.7
91.5
3-1/8"
180.5
178.2
176
4-1/16"
234.6
231.7
228.7
6-1/8"
353.7
349.3
344.9
8-3/16"
472.8
466.9
461
9-3/16"
530.6
523.9
517.3

Attenuation for Coax 3-1/8" Coax - 50 W

dB Loss 
% Efficiency
Channel
100'
500'
1000'
1500'
2000'
2
.0721
92.032
84.699
77.951
71.740
3
.0759
91.627
83.955
76.925
70.484
4
.0796
91.243
83.252
75.961
69.309
5
.0853
90.641
82.158
74.469
67.499
6
.0886
90.300
81.541
73.632
66.490
7
.1289
86.207
74.317
64.066
55.230
8
.1311
85.988
73.940
63.580
54.671
9
.1332
85.774
73.571
63.105
54.128
10
.1354
85.563
73.210
62.641
53.597
11
.1375
85.356
72.856
62.187
53.080
12
.1396
85.152
72.509
61.743
52.576
13
.1416
84.952
72.169
61.309
52.083
14
.2125
78.296
61.303
47.998
37.581
15
.2138
78.173
61.111
47.772
37.345
16
.2152
78.051
60.920
47.549
37.112
17
.2165
77.930
60.731
47.327
36.882
18
.2179
77.810
60.543
47.108
36.655
19
.2192
77.690
60.357
46.892
36.430
20
.2206
77.571
60.173
46.677
36.208
21
.2219
77.454
59.991
46.465
35.989
22
.2232
77.337
59.810
46.255
35.772
23
.2245
77.221
59.631
46.047
35.558
24
.2258
77.106
59.453
45.841
35.346
25
.271
76.991
59.276
45.638
35.137
26
.2284
76.877
59.101
45.436
34.930



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