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Updated: May 1, 2025
Intermediate Wave Set With Loading Coils. For this intermediate wave set you can use either of the short-wave sets described in the foregoing chapter. Approximate Wave Length in Meters in Millihenries Inductance .001 mfd. Variable Mounted Appx. Air Condenser. on Plug These and other kinds of compact coils can be bought at electrical supply houses that sell wireless goods.
Short Wave Regenerative Receiver. With Two Variometers and Two Variable Condensers. This type of regenerative receptor is very popular with amateurs who are using high-grade short-wave sets. When you connect up this receptor you must keep the various parts well separated.
A glance located the detector mechanism, a set of short-wave coils and amplifiers, and a brief study made plain to him the principles underlying the directional loop finders and the controls which guided the flying shell along the path of the tracer ray.
If you have a short-wave set and plan to receive intermediate waves with it then loading coils and fixed condensers shunted around them affords you the way to do it, but if you prefer to buy a new receptor then the better way is to get one with bank-wound coils and variable condensers; this latter way preserves the electrical balance of the oscillation circuits better, the electrical losses are less and the tuning easier and sharper.
Their brain" he stopped on the word and considered it "I mean their thinking apparatus gives off a very penetrating short-wave length radiation which you can pick up on your meters anywhere in a radius of two thousand miles, and you can locate the source accurately if you get within fifty miles. "The only real problem you'll have in finding them is the confusion created by illegal atomic piles.
You see, I don't know the composition of the I-P ray, since it is outlawed to everybody except the police. Of course I could have found out from Brandon, but never paid any attention to it. I've got some nice ultra-violet, though, and a short-wave oscillatory that'll cook an elephant to a cinder in about eight seconds. We'll keep them amused, no fooling!
"What's the next step?" Rick wanted to know. "Jimmy and I will drive you to the plane. Then you take off for Clipper Cay. And stay there until your vacation is over. Have you a short-wave radio, by the way?" "Yes. Why?" Rick had an all-wave battery portable. "Monitor the Navy command frequency. Here, I'll write it down for you. Listen every night at six for five minutes.
Intermediate Wave Set With Loading Coils. For this intermediate wave set you can use either of the short-wave sets described in the foregoing chapter. Approximate Wave Length in Meters in Millihenries Inductance .001 mfd. Variable Mounted Appx. Air Condenser. on Plug These and other kinds of compact coils can be bought at electrical supply houses that sell wireless goods.
In Panama the situation is somewhat more sharp. There Japan has always had an intense interest in the Canal. In the axis, Germany has become a co-worker since she has large colonies in Brazil and Colombia, next door to the Panama Canal. These colonies are now being organized at a feverish pace while the countries themselves are deluged with propaganda over special short-wave beams.
While I'm doing this, you might be getting those five coils into exact resonance, if you want to." "Sure I want to," and Nadia made her way across to the short-wave oscillator and set to work. After an hour or so, bent over her delicate task, she began to twitch uneasily, then shrugged her shoulders impatiently. "What's the idea of staring at me so?" she broke out suddenly.
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