Appendix A A-3
Cable Loss and Velocity Factors
Cable Loss and Velocity Factors
1. Conditions: Ambient 20 °C
63, 63B, 79, 79B .84 .50 1.10 1.50 2.30 3.40 5.70 12.20 20.90 –
87A, 115, 115A, 116, 165, 166,
225, 227, 393, 397
.695 .60 1.40 2.10 3.10 4.50 7.50 14.00 21.00 35.00
94 .695 .60 1.30 2.00 2.90 4.20 7.10 13.00 19.00 33.00
94A, 226 .695 .40 1.00 1.50 2.10 3.00 5.00 10.00 15.00 27.00
108, 108A .659 2.30 5.20 7.50 11.00 16.00 26.20 54.00 – –
117, 117A, 118, 211, 211A, 228,
228A
.695 .25 .61 .90 1.40 2.00 3.40 7.50 11.50 –
119, 120 .695 .50 1.05 1.60 2.20 3.10 5.10 10.20 15.20 27.30
122 .659 1.60 4.40 6.90 11.00 16.60 29.20 57.20 89.00 –
140, 141, 141A, 142, 142B, 159,
302, 303, 400, 402
.695 1.20 2.70 3.90 5.50 8.00 13.00 26.00 36.00 62.00
143, 143A, 304, 401 .695 .85 1.80 2.50 3.80 5.70 9.70 18.10 26.10 40.70
144 .695 .38 1.00 1.60 2.30 3.80 7.00 15.10 – –
161, 179, 179A, 179B, 187, 187A .695 5.00 7.20 9.80 12.70 15.80 25.00 43.00 62.50 135.00
174, 174A .659 3.80 6.50 8.90 12.00 17.50 31.00 64.30 97.00 185.00
178, 178A, 178B, 196, 196A, 403,
404
.695 5.30 10.00 13.30 20.00 27.50 45.00 78.00 115.0
0
172.00
180, 180A, 180B, 195, 195A .695 3.10 4.20 5.10 7.30 10.40 16.50 36.00 49.00 89.00
183 .91 .18 .38 .53 .78 1.20 1.90 3.70 5.00 –
188, 188A, 316 .695 3.80 7.90 11.50 15.00 20.00 30.00 58.00 79.00 133.00
235 .695 .60 1.40 2.10 3.10 4.50 7.50 14.00 21.00 35.00
306, 306A, 336 .80 .15 .33 .52 .80 1.30 2.30 5.20 7.80 –
307, 307A .80 1.20 2.70 3.80 5.40 7.50 12.00 – – –
323, 324, 332, 333, 376 .80 .15 .32 .50 .75 1.20 2.10 4.70 6.50 –
334, 335 .80 .25 .60 .85 1.20 1.90 3.50 7.00 10.00 18.00
360 .80 .18 .40 .60 .90 1.50 2.50 5.30 7.50
Coaxial Cable Nominal Loss Characteristics dB per Hundred Feet,
Frequency in GHz
1
RG/U
Relative
Velocity
.01 .05 .10 .20 .40 1 3 5 10