You have to use the best quality connecting cables. A trip to Palomar Engineers with a description of your set up will help so they can sell you the correct EMI suppression toroid set up. And, YES, even some of Elecraft’s cables can be (or become) defective as described in this site. A friend of mine even installed toroids on the incoming AC lines to his shack. He has over 300 countries now so he can definitely hear them...... something those of us with noisy shack power and EMI cannot.
David J. Wilcox K8WPE’s iPad
> On Sep 30, 2019, at 1:48 PM, Al Lorona <
[hidden email]> wrote:
>
> And not just antenna and feedlines, but the AC wiring in your shack, the potential EMI problems, etc. This is why I keep saying that hams badly need a tutorial -- perhaps something named, "What to Expect When You Run High Power". There are lots of us, including me, that could learn about the extra precautions and checks one needs to make when you put an amplifier into service. Jim, maybe you're the right guy to do it?
>
>
>>>> High power can expose antenna and feedline problems that are not evident
>>>> at 100W.
>
>>>> 73, Jim K9YC
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