![low power spark gap transmitter typical of the period. | Free energy, Electronic schematics, Spark gap low power spark gap transmitter typical of the period. | Free energy, Electronic schematics, Spark gap](https://i.pinimg.com/originals/ce/25/bd/ce25bda2ee6a4e5b525455711eaf8105.gif)
low power spark gap transmitter typical of the period. | Free energy, Electronic schematics, Spark gap
![Non-Syntonic Spark-Gap Transmitter as radio jammer (illegal to turn it on, not illegal to carry one around in a backpack with the aerial disguised as a sign or flag[the pole specifically, but Non-Syntonic Spark-Gap Transmitter as radio jammer (illegal to turn it on, not illegal to carry one around in a backpack with the aerial disguised as a sign or flag[the pole specifically, but](https://external-preview.redd.it/UfSoitYZq7-lIbEkqQOZOuT5y-rRZM5tQhLa3ibIMDM.jpg?auto=webp&s=8f4c83726ad53ce7cd900d70c2c9c5a61768aec6)
Non-Syntonic Spark-Gap Transmitter as radio jammer (illegal to turn it on, not illegal to carry one around in a backpack with the aerial disguised as a sign or flag[the pole specifically, but
![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 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](https://external-preview.redd.it/td5qdZ9QkJ21m37l7vpUwz7ymwP0hgxngKWcB7xJxqI.jpg?auto=webp&s=b82b09e4d869950c46a19ab9476967d26556064a)