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It's called “stepwise refinement”. Stefan's experiments need a steady signal of known characteristics that is always there. He can use that signal to establish how well (or otherwise) his new configuration works.
It is not easy to do these things if you have to depend on signals which may not always be there.
When you have made sufficient improvements, it is then a good time to go looking for weaker signals.
John F5VLF On 17 Aug 2011, at 18:18CEST, mal hamilton wrote: Stefan But what sort of strength do you Receive weak Radio Amateur signals. That is the real test Commercial radio stations a different matter with their Megawatts de mal/g3kev
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