antenna pcb

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hello every one . i watched robert's video with phill's lab about antennas (https://www.youtube.com/watch?v=cOtv0ddR3aI) and he poured the bottom of pcb underneath of antenna with gnd . and i read some design guids said that under the antenna we should not pour gnd . which one is correct?

[robertferanec]

I believe it depends on what kind of antenna you are designing.

Some time ago I made also a video about different type of antenna: How to Design Your PCB Antennas And How Antennas Work (Bluetooth Antenna Examples) - with John Dunn https://youtu.be/HAaWwZ73ygM