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choke info


http://www.worldwidedx.com/cb-antennas/62990-coax-choke-info.html


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Tree Signal Attenuation



Tree Signal Attenuation

November 30th Fact-of-the-Day

if a vertical 28 MHz antenna is surrounded by moderately thick trees that are higher than the top of the antenna signals will be attenuated 2 to 3 dB on average. Tree attenuation with horizontal polarization under the same conditions usually will be negligible.