How To Test for a Defective CB Coax

An defective CB coax cable will result in sky-high SWR. Fortunately, testing CB coax is very straightforward and we show you how.
Shorts in your coax cable will prevent your CB installation from working properly. While they aren't too common, it's important to make sure your coax isn't defective when troubleshooting. To test your coax for shorts, you need to be familiar with testing electrical resistance. If you're not, please refer to our guide on Understanding Electrical Resistance before reading further.

Klein Tools Pocket Continuity Tester for Coax Cable

Troubleshoot a High SWR

Ullnosoo RG8x Jumper Cable, 1ft CB Radio Antenna Coax Cable UHF PL259 Male to Male Low Loss CB 50 Ohm for HAM Radio, Antenna Analyzer, Dummy Load, SWR Meter : Electronics

Firestik No-Ground Replacement Coax

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MOOKEERF CB Coax Cable RG213 UHF Male to Male Coaxial Cable 75FT Low Loss UHF Cable CB Antenna Cable for Ham Radio/VHF Radio/SWR Meter/Antenna Analyzer : : Electronics

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MOOKEERF CB Coax Cable RG213 UHF Male to Male Coaxial Cable 30FT Low Loss RG-213 UHF Cable CB Antenna Cable for Ham Radio/VHF Radio/SWR Meter/Antenna Analyzer : Electronics

How to Test Coaxial Cable – NOYAFA

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