Coaxial loss table
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Coax Style Frequency in Mhz | 100 | 200 | 400 | 700 | 900 | Ohms | Vel. | Cap. per Ft. | O.D. | Shield | Notes |
Belden 9913 | 1.30 | 1.80 | 2.70 | 3.60 | 4.20 | 50 | .84 | 24.6 pF | 0.405 | 100% | braid shield over foil shield |
Belden 9914 | 1.60 | 2.40 | 3.50 | 5.00 | 5.70 | 50 | .82 | 24.8 pF | 0.403 | 100% | braid shield over foil shield |
Belden 8214 (RG-8/U type) | 1.80 | 2.70 | 4.20 | 5.80 | 6.70 | 50 | .78 | 26.0 pF | 0.405 | 97% | |
Belden 8238 (RG-11/U type) | 2.00 | 2.90 | 4.20 | 5.80 | 6.80 | 75 | .66 | 20.5 pF | 0.405 | 97% | |
Belden 8267 (RG-213/U type) | 1.90 | 2.70 | 4.10 | 6.50 | 7.60 | 50 | .66 | 30.8 pF | 0.405 | 97% | |
Belden 8268 (RG-214/U type) | 1.90 | 2.70 | 4.10 | 6.50 | 7.60 | 50 | .66 | 30.8 pF | 0.425 | 97% | double silver shield |
Belden 8242 (RG-9/U type) | 2.10 | 3.00 | 4.80 | 6.50 | 7.60 | 51 | .66 | 30.0 pF | 0.42 | 98% | silver inner double shield |
Belden 9258 (RG-8/X type) | 3.70 | 5.40 | 8.00 | 11.10 | 12.80 | 50 | .80 | 25.3 pF | 0.242 | 95% | |
Belden 84142 (RG-142 type) | 3.90 | 5.60 | 8.20 | 11.00 | 12.50 | 50 | .695 | 29.2 pF | 0.195 | 98% | brown FEP jacket - double silver shield |
Belden 9273 (RG-223/U type) | 4.10 | 6.00 | 8.80 | 12.00 | 13.80 | 50 | .66 | 30.8 pF | 0.212 | 95% | double silver shield |
Belden 8240 (RG-58/U type) | 4.50 | 6.80 | 10.00 | 14.00 | 16.00 | 51.5 | .66 | 29.9 pF | 0.195 | 95% | |
Belden 8259 (RG-58A/U type) | 4.90 | 7.30 | 11.50 | 17.00 | 20.00 | 50 | .66 | 30.8 pF | 0.193 | 95% | |
Belden 9259 (RG-59/U type) | 3.00 | 4.50 | 6.60 | 8.90 | 10.1 | 75 | .78 | 17.3 pF | 0.242 | 95% | |
Belden 8241 (RG-59/U type) | 3.40 | 4.90 | 7.00 | 9.70 | 11.1 | 75 | .66 | 20.5 pF | 0.242 | 95% | |
Belden 8216 (RG-174/U type) | 8.40 | 12.50 | 19.00 | 27.00 | 31.00 | 50 | .66 | 30.8 pF | 0.101 | 90% | |
Belden 9228 (RG-62A/U type) | 2.70 | 3.80 | 5.30 | 7.30 | 8.20 | 93 | .84 | 13.5 pF | 0.242 | 95% |
Antennas | |
Design | Beam * Dipole * Dish or Parabola * DDRR * Log Periodic (LPDA) * Loop * Mobile and portable * Omnidirectional * Panel * Quad and Quagi * Screwdriver * Small tuned loop * Vertical * Yagi-Uda * Wire and random wire antennas |
Installation | Antenna Tuners * Capacity hats and loading coils * Cavity filters * Coaxial Cable * Feedlines * Rotators * Towers and Masts * VK2ACY - G5RV coupler |
Theory | Front-to-back ratio * Impedance matching * SWR * Tower design * Vertical Antenna efficiency * Wire comparison tables |