L3' TEXT `SEE GND' ariometer Radio. Even if you've never built a radio before, you can build this crystal set; the parrs count is low, and 56 the coil windings on a wooden baseboard (approxi- mately …

Dec 31, 2011 · He made manufacturing equipment used for making glass envelopes for radio tubes and lamps as well as other related equipment used by radio manufacturers. Instead of pulling a vacuum …

If we place a variometer in series with an aerial and ground, then place a crystal detector and a pair of telephones across it, we shall have a complete radio receiving set that will work over a distance of at …

For your convenience, I have remixed the original series of videos on making a variometer. I have removed dead-end ideas, things I repeated between individual videos, made corrections, etc. and...

Variometers can be used to tune antenna loading coils, coupler devices, or as a matching device.

Variometers measure the rate of change of altitude by detecting the change in air pressure (static pressure) as altitude changes. Common types of variometers include those based on a diaphragm, a …

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The Voriometer Radio is a modem version of an idea from radio past that's fun to play with in radio present. However, as you can see, the vari- ometer principle might also become important in radio …

Here you find 178 models, 91 with images and 64 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.

Vspeak offers a variometer in two versions: The simple standard version and a "pro" version with higher sensitivity. All Vspeak Variometer use the existing telemetry system of modern radio controls.