Uploaded November 2024 | Updated September 2026, 2 weeks ago

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Jim W6LG switches between RG8X and LMR400 and the SWR goes up and not down. Why did that happen? Was the coaxial cable defective? Was it a problem with the ATU inside the transceiver? How is this possible? Watch to the end of the video for one answer. There is more than one cause.


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