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To tune to different wave lengths you must have a wave-meter. The Use of the Aerial Switch. Where you intend to install both a transmitter and a receptor you will need a throwover switch, or aerial switch, as it is called. Aerial Switch for a Complete Sending and Receiving Set.
To tune to different wave lengths you must have a wave-meter. The Use of the Aerial Switch. Where you intend to install both a transmitter and a receptor you will need a throwover switch, or aerial switch, as it is called. Aerial Switch for a Complete Sending and Receiving Set.
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