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powerline interference help
I've noticed interference, the huming/buzzing sort, pretty much throughout
the shortwave bands, being stronger in the lower bands and tapering off around the higher ones. After walking around with my portable I tracked it to the utility main where the power comes in from the lines. So, I moved the antenna to the opposite side of the house, but the noise is still there, not as strong, but there. However, when I strung the wire up perpendicular to the direction the powerlines were coming in it was gone. The only problem with that is I will have to run it parallel at some point to get it into the house. If anyone has any suggestions, please don't hesitate. For those who will ask, I am using an Icom R75, somewhere between 70 and 100 feet of antenna wire to a 9:1 matching unit, fed with coax and grounded. The antenna works beautifully where the interference is not present, but it's really killing weaker signals on 120 meters coming from S. America and such. Thanks for any help. Brian |
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