Fix by two circles of position: vector solution. Celestial navigation.
About Vector solution 2 CoP
Vector solution 2 CoP is a maps & navigation app developed by Navigational Algorithms.
Download Statistics
Vector solution 2 CoP has been downloaded 4.1 thousand times. In the last 30 days, the app was downloaded 7 times.
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App Information
Vector solution 2 CoP is FREE to download. The APK download size is 4.58 MB. The latest version available is 1.22. The last update was on April 23, 2025.
Technical Requirements
Vector solution 2 CoP requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play February 2015.
Description
Celestial navigation. Fix by two circles of position: vector solution.
With a sextant take two altitudes, correct them and obtain the observed altitudes: Ho. Take the Nautical Almanac and find the coordinates of the celestial bodies: GHA, declination. Use this app to calculate the two solutions, and to plot the circles of position, or circumferences of equal altitude on Google maps. Running fix: - The app moves the first sight to the time of the second, taking into account the motion of the observer.
Method explained in the papers: - Vector Solution for the intersection of two Circles of Equal Altitude. (Andrés Ruiz González. Journal of Navigation 2008, 61:355-365. The Royal Institute of Navigation). - Use of rotation matrices to plot a circle of equal altitude. (Andrés Ruiz. JOURNAL OF MARITIME RESEARCH, Vol 8, Nº3, 2011) Available on the author's website.
- Output is copied to clipboard
User interface: - Zoom buttons +/- - Map types: normal and satellite - GPS location. ("Location" App permission must be allowed. Switch on you GPS, and then automatic location detection is possible)
Recent changes: Upgraded to: Android 16 - SDK 36 new Google Maps 'com.google.android.gms:play-services-maps:19.2.0'
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