how-to-test-antenna-cable

4 года назад

This video demonstrates how to use a multimeter to test a coaxial TV aerial lead for continuity. The presenter shows how to test a good lead and a bad lead, explaining the difference in readings. This quick tutorial is designed to help home DIYers diagnose and potentially fix a faulty TV aerial lead.

7 лет назад

This video demonstrates how to measure RF coaxial cable loss using a wattmeter. The presenter shows how to set up the test equipment and measure the power output with and without the cable under test. They then explain how to convert the results to decibel millivolts, which is a more convenient unit for calculating antenna gain.

2 года назад

This video demonstrates how to use a NanoVNA to test coax cables. The presenter calibrates the device and then shows how to measure the signal loss through a known good cable. They then take the NanoVNA outside to test a cable run, revealing a significant signal loss and damage to the cable.