VHF Comm with SWR Display

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3 weeks 2 days ago - 3 weeks 2 days ago #1510 by Mark
Some VHF Comm's have a built-in SWR (Standing Wave Ratio) display. It's not rare to see them, but three on one aircraft is not the norm.

You can select forward and reflective power ( in this case "watts"). You're looking for strong output (forward) and little to none reflective. High reflective power is indicative of a bad or failing antenna, co-ax or connector.

All three of these checked good.
 
  
Last edit: 3 weeks 2 days ago by Mark.

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