Measuring and testing – Meteorology – Electric disturbance
Patent
1976-06-10
1977-05-17
Gill, James J.
Measuring and testing
Meteorology
Electric disturbance
324 72, G01W 100
Patent
active
040234088
ABSTRACT:
A storm mapping system detects electrical activity caused by weather phenomena such as lightning strokes and the like and displays information related to the electrical activity as indicative of storm location with reference to an origin which is taken as the observer's location. A cathode ray tube (or other display means) provides a display and locations thereon are illuminated in response to the electrical activity. The azimuth of the display is indicative of the azimuth of the electrical activity. The distance from the reference location to any illuminated location is a function of the signal strength. Although signal strength is not a precise indicator of distance, it is a useful data item in that the more severe storms generate the maximum signal strengths. In contrast to the prior art systems, the storm mapping system of this invention illuminates a location whose distance from the origin is inversely related to signal strength. In this manner, electrical activity closest to the observer's location is displayed as such. The particular characteristics of the system render it convenient for use by a pilot since the information is so displayed as to be readily understandable without requiring an undue amount of mental activity on the part of the observer.
REFERENCES:
patent: 3406387 (1968-10-01), Werme
patent: 3508259 (1970-04-01), Andrews
patent: 3651253 (1972-03-01), Morgand et al.
patent: 3715660 (1973-02-01), Ruhnke
patent: 3753117 (1973-08-01), Downing et al.
Ryan Paul A.
Spitzer Nicholas
Ciarlante Anthony V.
Dytronics Company, Inc.
Gill James J.
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