EFFECTS OF TRANSMISSION-PATH PARAMETERS ON METEOR-TRAIL PROPAGATION
Abstract
THE USE OF METEOR TRAILS AS REFLECTORS FOR ELECTRO-MAGNETIC WAVES PROVIDES A TECHNIQUE FOR THE TRANSMISSION AND RECEPTION OF RADIO MESSAGES BEYOND THE HORIZON. A NUMBER OF LOCI, COMPUTED BY A HIGH-SPEED DIGITAL COMPUTER, ARE PRESENTED. EACH REPRESENTS THE/LOCUS OF ALL POINTS IN THE METEOR TRAIL ZONE AT WHICH THE TRAILS DUE TO A SINGLE METEOR RADIANT ORIENTED TO PRODUCE REFLECTIONS. METEOR ACTIVITY FOR SELECTED INTERVALS ALONG THE LOCI IS EXPRESSED IN TERMS OF A RELATIVE MEASURE OF EFFECTIVENESS FACTOR F SUB G. THIS EFFECTIVENESS FACTOR IS QUITE GENERAL INSOFAR AS METEOR ACTIVITY IS CONCERNED SINCE THE PROPERTIES OF THE TRANSMITTING AND RECEIVING ANTENNAS ARE NOT INCLUDED IN THE COMPUTATIONS. PATH PARAMETERS STUDIED ARE THE DIRECT STATION-TO-STATION PATH LENGTH AND THE RADIANT AZIMUTH AND ZENITH ANGLES. GENERAL TRENDS IN THE VARIATIONS OF THE SHAPES OF THE LOCI AND THE SENSITIVITY FACTOR ARE ESTABLISHED FOR A NUMBER OF REPRESENTATIVE CASES. IN ADDITION THE BASIC PRECEPTS OF A TECHNIQUE FOR SKETCHING ADDITIONAL LOCI THROUGH THE UTILIZATION OF THE COMPUTED DATA ARE INTRODUCED.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 15, 1960
- Accession Number
- AD0250180
Entities
People
- T.d. Shockley
- W.b. Jones
Organizations
- Georgia Tech