How to calculate the radius of a circular patch antenna from a rectangle patch antenna? I came across this on microwaves 101 (link in the description). It is very easy and works every time.
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Article here: https://www.microwaves101.com/encyclopedias/circular-patch-antennas
Patch calculator: https://www.everythingrf.com/rf-calculators/microstrip-patch-antenna-calculator
