BG5FWP I don't know how common this type of antenna is in China, and it's a single-V antenna (specifically, one operating at 144 MHz). In practice, the results were satisfactory. The total length of the antenna was approximately 3 meters, and the lowest standing wave at 144.800 MHz (SWR 1.015) was observed in the V band. I also measured the U-section and found that it exhibited standing waves.（430-440）Also within 1.5 The instruction manual included with the U-shaped device states that experimental reports are available, and it seems to be true ( ) Included: Installation images
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