Testing Coax Cables

Coax Cable Testers

Austin
Reviewed by • Digital Modes & Software Editor • March 2026

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  • Coaxial Cable Tester
    5.0/5 (1)
    Coaxial Cable Tester — GM0HKS
    A simple coax cable tester built based on the KG0ZZ project.
  • RF Cable Testing
    2.0/5 (2)
    RF Cable Testing — rfcables
    The cable testing approaches discussed in this article gives an idea about the electrical characteristics of a coaxial cable. Velocity of Propagation, Characteristics Impedance, Return Loss Measurement and more
  • Simple Coax Testing
    1.9/5 (6)
    Simple Coax Testing — HS0ZHM
    How to check for propoer connector installation by using a common multimeter to verify conductivity and resistance.
  • The Coax Tester
    1.0/5 (1)
    The Coax Tester — N1GY
    This useful coax tester allows you to screw the PL-259 onto the tester to get a GO/NO GO status. When the LED lights up- you have a short circuit.
  • Measure Impedence of Coax Cables
    3.3/5 (3)
    Measure Impedence of Coax Cables — W2AEW
    This video shows one way to use a scope and function generator to measure the length of a piece of coax transmission line as well as estimate its impedance