Coax loss & recommendation
Compare common 50-ohm cables for your frequency, length and power.
Selected cable-- dB
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| Cable | Total loss | At antenna | Delivered | Rating |
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Coax Loss and Cable Recommendation Calculator
Compare estimated feedline loss, delivered power and suitability for common 50-ohm coax cables.
About this calculator
How to use it
Enter the operating frequency, cable run, transmitter power and connector allowance to compare common coax types.
Understanding the result
Use the loss and delivered-power figures to choose a practical feedline. Real cable condition, connectors and installation quality can add further loss.
More ham radio calculators
Use this calculator as a practical starting point. Check critical radio, electrical and installation work with suitable test equipment and current licence requirements.