TIL about the Spark-gap transmitter
https://en.wikipedia.org/wiki/Spark-gap_transmitterOpen linkView original on lemmy.worldhttps://en.wikipedia.org/wiki/Spark-gap_transmitterOpen linkView original on lemmy.worldhttps://en.wikipedia.org/wiki/Spark-gap_transmitterOpen linkView original on lemmy.world
These can wreak havoc on nearby radio systems, like Bluetooth and Wifi.
Where do you encounter these today?
Hobbyists