Directive type radio beacon and its application to navigation
Book details
- Title
- Directive type radio beacon and its application to navigation
- Publication year listed
- 1923
- Format
- Public domain eBook
- Reading access
- Free online reader; no registration required
- Source record
- View on Archive.org
About this book
Directive type radio beacon and its application to navigation
Year: 1923
This paper deals with a method of guiding a ship or aeroplane by means of radio signals sent from a particular type of radio beacon. The crossed-coil antenna directive radio beacon consists of two coil antennae crossed at an angle of about 135 degrees with respect to each other, signals being transmitted alternately from each coil antenna. Waves are thus intermittently propagated directively from each coil, the intensity of the emitted wave with respect to the plane of each coil varying in accordance with a figure-of-eight. A receiving set located anywhere on the line bisecting the angle between the two coils alternately receives signals from each coil. The intensity of the signals is the same. At any point not on the bisector of the angle between the
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