CPC Subgroup
G01S 11/02 using radio waves (G01S19/00 takes precedence)
Full Title
Systems for determining distance or velocity not using reflection or reradiation (position-fixing by co-ordinating two or more distance determinations G01S5/00) > using radio waves (G01S19/00 takes precedence)
6 direct subcodes
Child Classifications
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- G01S 11/04 using angle measurements
- G01S 11/06 using intensity measurements
- G01S 11/08 using synchronised clocks
- G01S 11/10 using Doppler effect