CPC Subgroup
G01S 5/02 using radio waves (using satellite radio beacon systems for determining position G01S19/00)
Full Title
Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations > using radio waves (using satellite radio beacon systems for determining position G01S19/00)
18 direct subcodes
Child Classifications
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- G01S 5/04 Position of source determined by a plurality of spaced direction-finders
- G01S 5/06 Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements (G01S5/12 takes precedence)
- G01S 5/08 Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location
- G01S 5/10 Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements (G01S5/12 takes precedence )
- G01S 5/12 by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial
- G01S 5/14 Determining absolute distances from a plurality of spaced points of known location