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Something that is (and I'm assuming that you're posting about a ham
radio application) an important question regarding EMI is what kind of antenna are you using, how far is it away from your appartment EMI sources, and what sort of shielded feed are you using to connect your equipment with the antenna? From your post, it sounds like most of your EMI sources are in your appartment. You want to have your antenna(s) as far away from these noise sources as possible, as well as shielding the feed from the antenna to your equipment as much as is possible. Generally speaking, coax like RG-8U makes a good antenna feed, but in extreme EMI cases a coax with double shields is a good investment. Since most of us have the same EMI producing devices in our homes as do you, I'm not sure why you're having any more of a problem than the rest of us, unless of course you haven't yet installed a good, outside antenna system with a properly engineered feedline. If this is the case, no amount of appliance and power line noise suppression will achieve the results you are looking for. Harry C. |
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