After the copper is applied, there is an extra layer of PolyRegion. I looked at the previous board and found that there is no such layer. How can I cancel it? Thank you
[size=4]Antennas are widely used in EMC and RF testing and measurement. Commonly used antennas are as follows:[/size] [size=4] [/size] [size=4]1. Biconical antenna:[/size] [size=4] [/size] [size=4]Com
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