Sight reduction

Sight reduction

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

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Previous Versions

Sight reduction
Sight reduction 4.11 XAPK APKs
July 29, 2024 9.99 MB
Variant
Arch
Version
DPI
Android 5.0+
160-640dpi
Android 5.0+
160-640dpi
Sight reduction
Sight reduction 4.10 XAPK APKs
January 3, 2024 5.33 MB
Variant
Arch
Version
DPI
Android 4.4+
160-640dpi
Android 4.4+
160-640dpi
Sight reduction
Sight reduction 4.8 APK
August 25, 2023 4.89 MB

Requires Android: Android 4.4+

Screen DPI: 120-640dpi

SHA1: 7ded902259924acc6769ddcd34f8e740ba256e10

Size: 4.89 MB

Sight reduction
Sight reduction 4.6 XAPK APKs
June 18, 2021 3.61 MB
Variant
Arch
Version
DPI
Android 4.0+
160-640dpi
Android 4.0+
160-640dpi
Sight reduction
Sight reduction 4.3 APK
May 13, 2020 2.46 MB

Requires Android: Android 4.0+

Screen DPI: 160-640dpi

SHA1: 6641ca4b79809c2d03c76187cf054ee2b1d52588

Size: 2.46 MB

What's New:

- Plot up to 3 Marcq Saint Hilaire Lines of Position on Google maps
- Calculator for Intercept method (p=Ho-Hc, Zn)
- Input for observed altitude Ho or instrumental Hs
- List of navigational stars
- Logbook
- New optimized user interface
- GNSS fix to check the solution
Sight reduction
Sight reduction 4.3 XAPK APKs
May 16, 2020 2.87 MB

Requires Android: Android 4.0+

Screen DPI: 160-640dpi

SHA1: c43c10fb5534474fa680dda1f8aa3cd33a8f17eb

Size: 2.87 MB

What's New:

- Plot up to 3 Marcq Saint Hilaire Lines of Position on Google maps
- Calculator for Intercept method (p=Ho-Hc, Zn)
- Input for observed altitude Ho or instrumental Hs
- List of navigational stars
- Logbook
- New optimized user interface
- GNSS fix to check the solution
Sight reduction
Sight reduction 4.2 XAPK APKs
April 7, 2020 2.93 MB

Requires Android: Android 4.0+

Screen DPI: 160-640dpi

SHA1: 55033df3a682e93513f730902d40d94db3d77637

Size: 2.93 MB

What's New:

- Plot up to 3 Marcq Saint Hilaire Lines of Position on Google maps
- Calculator for Intercept method (p=Ho-Hc, Zn)
- Input for observed altitude Ho or instrumental Hs
- List of navigational stars
- Logbook
- New optimized user interface
Sight reduction
Sight reduction 4.1 XAPK APKs
April 2, 2020 2.93 MB

Requires Android: Android 4.0+

Screen DPI: 160-640dpi

SHA1: a00b1bdfbb5f224e2717e2c37cd368ec885504ab

Size: 2.93 MB

What's New:

- Plot up to 3 Marcq Saint Hilaire Lines of Position on Google maps
- Calculator for Intercept method (p=Ho-Hc, Zn)
- Input for observed altitude Ho or instrumental Hs
- List of navigational stars
- Logbook
- New optimized user interface
Sight reduction
Sight reduction 4.0 APK
March 1, 2020 2.46 MB

Requires Android: Android 4.0+

Screen DPI: 160-640dpi

SHA1: 89b93f125f932f9b3f02522077029813d5356e58

Size: 2.46 MB

What's New:

- Plot up to 3 Marcq Saint Hilaire Lines of Position on Google maps
- Calculator for Intercept method (p=Ho-Hc, Zn)
- Input for observed altitude Ho or instrumental Hs
- Logbook
- New optimized user interface
Sight reduction
Sight reduction 3.1 APK
December 16, 2019 1.66 MB

Requires Android: Android 4.0+

Screen DPI: 160-640dpi

SHA1: d5e3b366f796143f9ba312d9b83b07b6bb3ee59a

Size: 1.66 MB

Sight reduction
Sight reduction 2.9 APK
March 6, 2017 2.35 MB

Requires Android: Android 4.0+

Architecture: arm64-v8a, armeabi, armeabi-v7a, mips, mips64, x86, x86_64

Screen DPI: 120-640dpi

SHA1: b912582db5cc6a0a68cea07d01b064c677df9e8e

Size: 2.35 MB

What's New:

- Plot of the Line of Position on Google maps
Sight reduction
Sight reduction 2.7 APK
July 23, 2016 1.66 MB

Requires Android: Android 4.0+

Architecture: armeabi

Screen DPI: 120-640dpi

SHA1: c7582f7fd91f5b278ea581b286e669fb2882b904

Size: 1.66 MB

What's New:

- Plot of the Line of Position on Google maps
Sight reduction
Sight reduction 2.6 APK
July 18, 2016 1.66 MB

Requires Android: Android 4.0+

Architecture: armeabi

Screen DPI: 120-640dpi

SHA1: ddf40b9d63924b982cc1289dfaabe3b9ae6c82a0

Size: 1.66 MB

What's New:

- Plot of the Line of Position on Google maps
Sight reduction
Sight reduction 2.5 APK
March 24, 2016 1.66 MB

Requires Android: Android 4.0+

Architecture: armeabi

Screen DPI: 120-640dpi

SHA1: 8e59a8d791829a69912a5aa27512aef851b354e2

Size: 1.66 MB

What's New:

- Plot of the Line of Position on Google maps
Sight reduction
Sight reduction 2.4 APK
December 21, 2015 965 KB

Requires Android: Android 2.2+

Architecture: armeabi

Screen DPI: 120-640dpi

SHA1: 8e3be3dbcfa0e63111791f7b07368dccdd553920

Size: 965 KB

What's New:

- Location included, (provider: GPS, Network), to initialize the position.
Sight reduction
Sight reduction 2.3 APK
December 19, 2015 964.1 KB

Requires Android: Android 2.2+

Architecture: armeabi

Screen DPI: 120-640dpi

SHA1: e35e7f5a5076fb214b2b4a211f29dbc62d5eaa3b

Size: 964.1 KB

What's New:

- Location included, (provider: GPS, Network), to initialize the position.