Accession Number : AD0427269

Title :   ESTIMATING THE ACCURACY OF NAVIGATION SYSTEMS. A STATISTICAL METHOD OF DETERMINING CIRCULAR ERROR PROBABLE

Corporate Author : NAVY ELECTRONICS LAB SAN DIEGO CA

Personal Author(s) : Swanson, E R

PDF Url : AD0427269

Report Date : 24 Oct 1963

Pagination or Media Count : 20

Abstract : A statistical method of estimating the fix accuracy of a navigation system is described. The method is directly applicable to the design or evaluation of hyperbolic systems such as Omega and Loran. It consists of applying a knowledge of system geometry and a simple estimate of the statistical repeatability of measurement to find the circular error probable in a navigational fix. The circular error so determined should be used with caution because it does not account for fixed errors such as map errors. The method was successfully used in evaluation studies of the present Omega network. This report contains an illustrative example of this application.

Descriptors :   *HYPERBOLIC NAVIGATION, *POSITION FINDING, CIRCULAR ERROR PROBABLE, ERRORS, RADIO NAVIGATION, STATISTICAL DISTRIBUTIONS

Subject Categories : Navigation and Guidance

Distribution Statement : APPROVED FOR PUBLIC RELEASE