Spark gap

Spark-gap transmitter - Wikipedia, the free encyclopedia

How do you make the simplest possible improvised radio transmitter?

Diathermy Spark Gap Type G-2 H. G. Fischer floor model

Diathermy Spark Gap Type G-2 H. G. Fischer floor model

Spark gap - Wikipedia

Spark gap - Wikipedia

Variable Spark Gap

Variable Spark Gap

Low-Voltage Tesla Coil Uses a Relay Instead of a Spark Gap

Low-Voltage Tesla Coil Uses a Relay Instead of a Spark Gap

[Teodor] writes in with a unique Tesla coil he designed and built. Unlike most Tesla coils, [Teodor]'s design is able to run with a fairly low input voltage because it doesn't use a static spark gap l.

The First Radio Sets: a Spark Gap and a Coherer | Hackaday

The First Radio Sets: a Spark Gap and a Coherer

[Ashish] let us know about his experiments in recreating the earliest type of radio set: a spark-gap transmitter and iron-filings coherer. He goes through the historical development of the kit in grea.

LOW-VOLTAGE TESLA COIL USES A RELAY INSTEAD OF A SPARK GAP

Low-Voltage Tesla Coil Uses a Relay Instead of a Spark Gap

Spark Gap, Tesla Coil, Computers, Electronics

Fischer spark-gap diathermy machine ca. 1925, 1 of 3

Fischer spark-gap diathermy machine ca. 1925, 1 of 3

The lightning protection coil (Blitzschutzspule) is provided in order to prevent lightning from entering the antenna tuning hut. The principle of functioning is shown on the sketch to the right.  There are two spark gaps (Funkenstrecke) before and behind the lightning protection coil. In case the quick lightning current flows down the mast towards the a.t.u., an additional voltage builds up across the lightning protection coil: u = - L di/dt. Due to the increased voltage  across the spark…

description of medium wave antenna Zehlendorf

Sparkly gap sweater Sparkly lightweight striped sweater from the gap in good condition GAP Sweaters Crew & Scoop Necks

Sparkly gap sweater

Sparkly gap sweater Sparkly lightweight striped sweater from the gap in good condition GAP Sweaters Crew & Scoop Necks

Sweater Cream sparkly Gap kids  sweater GAP Shirts & Tops Sweaters

Sweater

Sweater Cream sparkly Gap kids sweater GAP Shirts & Tops Sweaters

The First Radio Sets: a Spark Gap and a Coherer http://ift.tt/1PU0qCm

The First Radio Sets: a Spark Gap and a Coherer

[Ashish] let us know about his experiments in recreating the earliest type of radio set: a spark-gap transmitter and iron-filings coherer. He goes through the historical development of the kit in grea.

Dr. Rife's Spark gap

Chapter Is it necessary to use a ray tube to output the frequencies?

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