حملة مطحنة مهجور spark gap radio build التيلة عنيف ماجيستير
File:Hertz transmitter and receiver - English.svg - Wikimedia Commons
Spark gap transmitter
Spark Gap Radio Transmitter. Handcrafted Replica. Marconi | #516292595
Spark-gap transmitter - Wikiwand
An example of the spark gap transmitters I have built over the years--Not for Sale | Spark gap, Electronic circuit projects, Radio design
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I want to build a spark-gap transmitter for a school project. Is there any way to make it so that I would not interfere with HAM radio? : r/amateurradio