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I still don't understand what you mean by Audio Feedback. Are you talking about the talkback on your radio? Is it RF bleeding into speakers in your shack?

Right now I think your power supply is not able to keep up and I don't know if the 100 amp will do much better. The next question would be is your watt meter a true peak reading meter?

What is the dead key and swing from your Cobra 29? If your carrier is too hi that can cause backwards swing. You want the amp to dead key out between 100-150 watts max.

At this point we will assume your antenna, coax, jumpers, and power feed lines and ground are all good and correct. Curious to see what the 100 amp power supply can do.

[QUOTE="9C1Driver, post: 821994, member: 7716"] I still don't understand what you mean by Audio Feedback. Are you talking about the talkback on your radio? Is it RF bleeding into speakers in your shack? Right now I think your power supply is not able to keep up and I don't know if the 100 amp will do much better. The next question would be is your watt meter a true peak reading meter? What is the dead key and swing from your Cobra 29? If your carrier is too hi that can cause backwards swing. You want the amp to dead key out between 100-150 watts max. At this point we will assume your antenna, coax, jumpers, and power feed lines and ground are all good and correct. Curious to see what the 100 amp power supply can do. [/QUOTE]

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