Theoretical and Experimental Studies of VLF and LF Waves
Abstract
The results of the research on the production, transmission and reception of VLF and LF waves is represented in 9 compact chapters. A new improved equivalent circuit diagram for the helix is calculated giving a good explanation of the measured effects over a large frequency range. The receiving characteristic of a ferrite rod antenna in the elliptically polarized field is investigated specifying a method that allows all ellipse parameters to be measured simultaneously. The phase measurement at VLF-wave propagation and the device built for this purpose are described and an improved universally usable digital phase measuring equipment for a large frequency range is particularized. The various pehnomena, e.g. reflection, refraction, and wave guiding, that are occurring at VLF and LF wave propagation are described and explained. A detailed description of a long-time registration of commercial VLF transmitters is given.
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 28, 1972
- Accession Number
- AD0758778
Entities
People
- Norbert Nessler
Organizations
- University of Innsbruck