Earth:Rho Theta Navigation
From HandWiki
Rho-theta is a term used in aviation navigation for a location method (or even a group of locating methods) based on the measurement of coordinates (direction and distance to a ground station beacon or beacons ). Many automated Aids to Navigation, such as a VORTAC, use the Rho-Theta data as the primary method to calculate relative position of an aircraft to the reference beacon(s). Rho-Theta methodology is a key component in Area Navigation (RNAV). [1]
The term "Rho-Theta" consists of the two Greek letters corresponding to Rho and Theta:[2] [3] [4]
- Rho (Greek ρ) as a synonym for distance measurement, e.g. Rho would be the equivalent to the English abbreviation "R" for Range
- Theta (Greek θ) for the associated heading (direction or bearing) measurement.
References
- ↑ "The Airline Pilots Forum and Resource". https://www.theairlinepilots.com/forum/viewtopic.php?t=866.
- ↑ "A navigation primer". https://www.flightglobal.com/pdfarchive/view/1985/1985%20-%202470.html. Retrieved 11 October 2018.
- ↑ Dodington, Sven H.; Greenspan, Richard L. (2020). "Rho-theta system". Access Science. doi:10.1036/1097-8542.587300. https://www.accessscience.com/content/rho-theta-system/587300.
- ↑ "- YouTube". https://www.youtube.com/watch?v=6GVDfms2plY.
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