What is diffirence between aluminum and copper as patch antenna ground?

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Marcelo B. Perotoni

Azita

For the RF sake the impact is almost none, thanks to the skin depth. There are many other things to be concerned about before these material characteristics come into play.

Azita Goudarzi

thank you Dr.

Malcolm White

Aluminium has slightly more loss, but not enough so you would notice on a low or medium Q antenna.