Accession Number : ADD000218

Title :   High Frequency Passive Radio Range Finder.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Bailey,Albert D

Report Date : 19 Mar 1974

Pagination or Media Count : 4

Abstract : The patent describes an invention for determining the direction and distance of a remotely located radio source. It is based on the principle that the distance to a station is inversely proportional to the root mean square value or peak value of the received continuous bearing signal as a function of time which has first been passed through a twenty minute averaging or smoothing window.

Descriptors :   *Radio direction finders, *Patents, Passive systems, High frequency

Subject Categories : Direction Finding

Distribution Statement : APPROVED FOR PUBLIC RELEASE