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Sight reduction

Sight reduction APK

Sight reduction APK

4.10 FreeNavigational Algorithms ⇣ Download APK (3.86 MB)

Celestial navigation. Take the sextant and get your Line of Position.

What's Sight reduction APK?

Sight reduction is a app for Android, It's developed by Navigational Algorithms author.
First released on google play in 9 years ago and latest version released in 4 months ago.
This app has 27.7K download times on Google play and rated as 4.38 stars with 113 rated times.
This product is an app in Maps & Navigation category. More infomartion of Sight reduction on google play
Celestial navigation - Astronavigation

Sight reduction:
- Marcq Saint Hilaire Line of Position, intercept method (p=Ho-Hc, Zn)
- Input for observed altitude Ho or instrumental Hs (Nautical Almanac data needed for the Sun and the Moon)
- Calculator for Intercept method (p=Ho-Hc, Zn) altitude Hc and azimuth Zn
- Running fix
- Plots up to 3 Marcq Saint Hilaire Lines of Position on Google maps
- Local hour angle (LHA)
- List of navigational stars
- Logbook
- New optimized user interface
- GNSS fix to check the solution

Sight reduction is the process of deriving from a sight the information needed for establishing a line of position.
This app is a calculator to get the intercept from the assumed position of the observer AP(latitude, longitude), the geographical position of the celestial body observed, GP(Dec, GHA), and its corrected altitude Ho.
Manual and examples in the developer's website.

Ref: https://en.wikipedia.org/wiki/Sight_reduction

User interface:
- Zoom buttons +/-
- Map types: standard, terrain, and satellite
- GPS location. ("Location" App permission must be allowed. Switch on you GPS, and then automatic location detection is possible)