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Re:Precursor’s Custom PCBs by beervirus on Tuesday December 01, 2020 @04:50PM (#25270437)
> it was literally a process of just making educated guesses and measuring stuff until I found something that worked

Sounds about right. Antenna design is magic.

Re:Precursor’s Custom PCBs by andreareina on Tuesday December 01, 2020 @08:55PM (#25272415)
Apropos, story about (accidentally) taking advantage of RF effects when programming an FPGA. Plus bonus antenna at the end.

https://www.damninteresting.com/on-the-origin-of-circuits/