2024/03 teoría del buque
Aplicación - curvas de estabilidad transversal.
2024/01 Navigational Algorithms Windows suite
New release of software.
2023/03/23 Coastal Navigation
2023/03/07 - New release of Navigational Algorithms Windows software
New user interface for many programs.
Many useful options and improvements.
.NET 7.0
yyyy/mm/dd - Manual de Náutica
Nueva versión en preparación
2022/05/16 - Android - Coastal Navigation
Lines of Position: Bearing, range & horizontal angle
Plot on google maps.
2022/01/11
New release of Navigational Algorithms Windows software.
User Interface updated.
2022/01
New release of Navigational Algorithms Windows software.
2021/01
New release of Windows software.
2020/05/02 New improvement of android Apps
Sextant, Nautical Almanac, Sight Reduction, Nautical Astronomy and Sailings.
2020/04/17 New update of android Variation
Your last position is automatically saved. Storage permission needed.
2020/04/02 New release of android Apps
2020/04/01 New release of android Apps
2020/02/12 Video about android Apps
Sextant https://youtu.be/fTeqDvgRISY
Nautical Astronomy https://youtu.be/DQ3RyrPgH4k
Fix by Vector solution https://youtu.be/EF1o0BLhwuE
Sailings https://youtu.be/MioBErQ1ZvE
Variation https://youtu.be/dEXJWj5LtXQ
2020/02/03 New release of android Apps
Sextant
Nautical Astronomy
2020/01/09 - New release of Windows .NET software
New features: Nautical Almanac, Astronavigation, ChartWork, Tide, Magnetic compass.
See gallery
2020/01/08 New release of android Apps
Fix by 2 CoPs - vector solution
Nautical Astronomy
Sailings
Sight reduction
2019/12/11 New release of android Variation
Variation for the current day. (Local magnetic variation or magnetic declination)
WMM2020 - World Magnetic Model 2020, valid from 10/12/ 2019 through 31/12/2024.
2019/01/07 - New release of Windows .NET software
2019/01/04 - 2019 Nautical Almanac pdf
Daily coordinates for Aries, Sun, Moon, Mercury, Venus, Mars, Jupiter, Saturn.
Monthly coordinates navigational stars.
Annual curves
Algorithms: Interpolation in NA tables, EoT, Emergency Navigation, Sight reduction
20/10/2018 - New style of the website
Optimized for smartphones and tablets
16/01/2018 New release of Windows .NET Apps - New!
Navigation Manager Launcher
AstroNavigation. Celestial navigation app: Observed altitude. Sight reduction Celestial running fix, plot of the circles of equal altitude.
Nautical almanac Nautical almanac: Sun Moon, Mercury, Venus, Mars, Jupiter, Saturn and navigational stars. Visible sky.
Lunar distance. Star-star distance.
Nautical astronomy Latitude by Polaris Noon sight Sun ex-merian sight Time sight for the Sun Latitude by the Sun´s Altitude and Time
Plotting of the circumferences of equal altitude
SAR search pattens
Chart Work Rhumb line, Great Circle, Composite sailing, Meridional parts. Lines of position Piloting - currents and coastal fix
Magnetic compass Magnetic variation WMM2015. Deviation curve of the magnetic compass. Course calculator
Tide interpolator
Meteorology Instrumentation: thermometer, barometer, dew point, apparent wind
Sexagesimal converter
Least Squares Polynomial Fit
31/01/2017
Nautical Almanac 2017 (PDF)
20170131 Magnetic compass More maps
25/01/2017 Full installation pack for Windows
04/01/2017 Astronavigation & Lunar Distance update
20170104 Navigational Algorithms.update.zip (See readme.txt "20140124Navigational Algorithms.Setup.zip" is needed)
03/01/2017 Android Apps Updated for Leap second
(from 2017 January 1, 0h UTC, until further notice : UTC-TAI = - 37s ).
Nautical Almanac, Sextant, Nautical Astronomy.
05/08/2016
Polynomial Least Squares. New Windows version for .NET
06/04/2016
New release of Android Nautical Astronomy. info
23/03/2016
New release of Android Sight Reduction, plot of MSH LoP on Google Maps. Screenshot info
Old versions available at Souceforge
27/01/2016
Astronavigation UPDATE FROM 20140124Navigational Algorithms.Setup.zip
19/05/2015 applications
Sailings (android): RL, GC, waypoints
27/04/2015 Android applications
Sextant - app for training or improving your skills with a marine sextant, an aircraft octant, an artificial horizon, or a theodolite. Real time calculation of the instrumental altitude Hs for comparison of your shots. Useful for index error determination.
03/03/2015 Android applications
Nautical Almanac: Lunar distances
06/02/2015 Android applications
16/01/2015 New release: overview
Meteorology download Wind chill and heat factor added
08/01/2015 New release with WMM2015: overview
11/09/2014 Android applications - Sight reduction 2.0
Observed altitude Ho by nautical almanac data
Plot of the LoP
09/09/2014 Android applications - Variation
Variation for the current day.
29/08/2014 Android applications - Nautical Almanac 2.0
Visible sky: horizon chart
Planning observation: - Twilight, - Rise/set for Sun and Moon, - Meridian passage
SHA
Solar time: GAT, LAT, LMT
20/07/2014 Android applications
17/07/2014 Android applications
19/06/2014 New release: overview
Meteorology download updated
24/01/2014 New release of software - Disponible nuevo paquete de software
16/01/2014 Almanaque Náutico - Nautical Almanac
2014AN.pdf incluyendo gráficas del Sol (dec, EoT, analema, SD, HP), la Luna (SD, HP), los planetas (SD, HP) y Polaris (dec, SHA).
21/10/2013 Celestial Navigation example
Updated (pdf)
09/01/2013 New release of software - Disponible nuevo paquete de software
AstroNavigation
Mejoras en el interface
Nuevos algoritmos para 2 círculos de altura: Gauss and Newton-Rhapson
Lunar Distances
Star-star distance
Correction of the sextant error
ChartWork - Lines of Position
Waypoint list included and user configurable.
ChartWork - Currents & Fix
Cálculo de corrientes, método ciclónico, método Lasehras.
Posición por dos ángulos horizontales. Posición por demora y distancia. Alcance geográfico, distancia por ángulo vertical.
Rumbos: declinación magnética, desvío, abatimiento, deriva y cálculos
06/01/2013 Almanaque Náutico - Nautical Almanac
2013 (pdf)
10/01/2013 - Incluidas gráficas de SD HP del Sol y la Luna, y ecuación del tiempo.
04/01/2013 New releases (Software download - Windows)
Sailings
Meteorology
10/08/2012 ChartWork - SAR search patterns (new release)
Search & Rescue utility that generates a GPX file for OpenCPN or Google Earth (screenshots - download - OpenCPN user manual)
11/06/2012 ChartWork - SAR search patterns
Search & Rescue utility that generates a GPX file for OpenCPN or Google Earth (screenshots - download - OpenCPN user manual)
03/01/2012 Use of rotation matrices to plot a circle of equal altitude
New paper published in the Journal of Maritime Research (download pdf)
12/01/2012 New release of software - Disponible nueva adaptación de software
Adaptación de Astronavigation.exe a 2012 (incluye UTC-TAI = -35 s a partir del 01/julio/2012) y más.
Adaptation of Astronavigation.exe for 2012 (including UTC-TAI = -35 s from 01/july/2012), and more
09/12/2011 Almanaque Náutico - Nautical Almanac
2012 (pdf)
18/11/2011 Manual de náutica - Nueva versión disponible: nuevos capítulos y 190 páginas
Navegación astronómica - ampliación: metodos tradicionales, círculos de alturas iguales, distancias lunares,...
Navegación electrónica - nuevo capítulo
04/08/2011 Reestructuración del sitio
Manual de náutica
19/03/2011 Software: Meteorology - Instrumentation
Temperature conversions
Barometer: correction for height above sea level
Dew point
Apparent wind
... Windows only .NET framework is necessary
01/2011 New generation of Navigational Algorithms Software
Intuitive, easy to use, fully integrated, en español and in english.
Identification of celestial bodies, Nautical Almanac, Marcq Saint Hilaire Lop, Celestial Fix and Sun & Moon phemomena
GUI screenshot
06/09/2010 Sotware updated
Bug in Chart Work for LoP when p<0
12/08/2010 Celestial Navigation Example
pdf and gpx file for Google Earth and OpenCPN
08/2010 Sotware updated
Chart Work en ingles y español
Chart Work - tutorial ampliado
07/2010 Astronavigation by Lunar Distance ( screenshot)
Nautical almanac: geocentric lunar distance and daily LD table
Time and position
Fix by two LD
Reduction of the observations to the same time
07/2010 New release of freeware
CelestialFix: Sumner, St. Hilaire, Kaplan, Metcalf, ... solutions
GPX output for CoP in CelestialFix, including running fix
GPX output for GC route in Route Planner
07/2010 Chart Work ( screenshot - Overview - OpenCPN user manual )
Software for traditional paper chart work on an ECS
Coastal and Celestial navigation
Great Circle and Composite Sailing routes
Tutorial with exercises
07/2009 Cambio de dirección Web - Chage of URL
Debido a que geocities cierra el 26/Oct/2009 http://www.geocities.com/andresruizgonzalez deja de existir.
Since that geocities closes on 26/Oct/2009 http://www.geocities.com/andresruizgonzalez no longer available.
02/2009 Articles
More articles of advanced navigation in english
02/2009 Software
New release with setup installation file.
01/2009 Web site
New main page and navigation menu at the top.
09/2008 Articles
Vector equation of the circle of equal altitude - - update. - including GC sailing and star-star distance
07/2008 Articles
Sight Reduction with calculator. Form & Plotting sheet for celestial LoPs
04/2008 Articles
Corrections for Sextant Altitude - update.
n Lops Fix NA algorithm - update.
Correción de la Altura del Sextante - actualización.
Posición por n Rectas de Altura - actualización.
03/2008 Artículos - Articles
Balizas - actualización.
01/2008 Artículos - Articles
Oceanografía - actualización.
Astronomía Náutica - ampliación.
Navegación Astronómica - actualización.
01/2008 Artículos de Meteorología - Weather Articles
Ciclones Tropicales
Frentes
12/2007 Artículos - Articles
Cinemática Naval - actualización.
07/2007 Artículos - Articles
Introducción a la Navegación Marítima: El rumbo y la carta náutica.
Introducción a la Navegación Marítima: Utilidad de una recta de altura
Introducción a la Navegación Marítima: Determinante de la recta de altura
Ampliado: Posición astronómica con calculadora. Plantilla y Carta mercatoria en blanco
Introducción a la Navegación Marítima: Publicaciones náuticas
Meteorología: Viento real y viento aparente
05/2007 Artículos - Articles
Introducción a la Navegación astronómica.
Ampliado: Posición por 2 Rectas de Altura
Ampliado: Vector equation of the Circle of Position
Ampliado: La derrota
[Now in english] Sailings
Ampliado: Las Mareas
03/2007 New Software - Nuevas versiones
Almanaque Náutico: nuevo interface, mayor precisión y cálculos de Navegación astronómica.
Situación astronómica observada: CelestialFix, en ingles
Planificador de rutas y cálculo de rumbos
Posición por círculos de altura - algoritmo de Tom Metcalf.
Latitud aumentada.
Declinación Magnética 2006 - 2010
PlotHZ -Cielo visible. Subsanado un error
02/2007
Actualizado el Almanaque Náutico de 2007. Incluye mayor precisión en las efemérides de los planetas. [Descargas]