Vertical 40 Meter Antenna and Field Plots 
Pattern generated for the 40 Meter Vertical 
3D Pattern of the 40 Meter Vertical 
40 Meter Vertical SWR for 7.024 - 7.424 MHz 
Current plot of the 40 Meter vertical 
40 Meter Vertical Calculation Values 
40 Meter Vertical Geometry 
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Marshall County Alabama Repeater Systems