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Hey -
I posted in here recently about active shortwave antennas - well, I managed to get 75 feet of #26 magnet wire on a perpendicular roof to my window of my dorm room, and two runs of 15' speaker wire as a counterpoise in my room. I'm getting a really bad noise problem, however - so bad that I can't hear stations on 20 meters! There's a pretty solid S9 noise floor that prevents me from hearing anything other than WWV and the major broadcast stations. Now, I know I can do better with the amount of wire I've got strung out there. I was thinking about adding one of those 9:1 transformers or other impedance matching things for longwires; would this reduce the noise problem I'm having? Any other tips for reducing longwire noise? It works enough, but I know I can do better... Thanks in advance. |
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