Tuning in FM Radio on a 3D Printer Heatbed
Read OriginalThis article explores whether a 3D printer's PCB heatbed can act as an antenna for FM radio reception. Using a NanoVNA, the author measures the heatbed's SWR chart, finding potential frequencies around 1 GHz, 130 MHz, and 43 MHz. Despite the heatbed not being optimized for RF use, it successfully picks up a strong FM signal from a nearby high-power tower, achieving clear stereo reception. The article includes a video and further reading on radio towers and GPS antennas.
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