NAVPAC DOWNLOAD FREE

Please note that downloading and installing the new version will not affect your ability to continue using your current version as the two can be run simultaneously. Home Business and industry Science and innovation. The tables and coefficients and the algorithm for determining position at sea from observations made with a marine sextant have been used by navigators since Thank you for your feedback. NavPac 4 provides a much improved user interface and several new tools and features designed to make celestial navigation easier for the navigator. Updates a constant to calculate GHA Aries.

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HM Nautical Almanac Office: NavPac 4

Fixes a bug that causes NavPac 4 to go unresponsive when transferring high latitude values nagpac certain functions. The patch file contains the accumulated updates currently available for NavPac navpzc. UK uses cookies which are essential for the site to work. We also use non-essential cookies to help us improve government digital services. NavPac is used world-wide by the Royal Navy, other navies and by navigators who require an independent means of navigation.

Wednesday, 09 May at You can purchase your copy from Admiralty Paper Distributors.

This can be done navpaac. Astronomers, navigators, surveyors and general users will find these data files ideal for making astronomical calculations where positions of the Sun, Moon, planets and bright stars are required.

NavPac 4: Free Software Upgrade for Users of NavPac 3.4

Published 10 January However, continued support will be available for NavPac 3. Get ready for Brexit.

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Instructions for patching are available in pdf format. Users simply have to register their copy of the current version of NavPac using the serial number found on the back page of NavPac and Compact Data A patch is available for NavPac 4 which makes the following changes.

NavPac and Compact Data

NavPac enables navigators to compute their position at sea using celestial navigation, and also contains features such as calculating great circle and rhumb line tracks. NavPac 4 can be used alongside NavPac 3. Please note that downloading and installing the new version will not affect your ability to continue using your current version as the two can be run simultaneously. Share this page Share on Facebook Share on Twitter.

NavPac 4 provides a much improved user interface and several new tools and features designed to make celestial navigation easier for the navigator. Explore the topic Science and innovation. NavPac is used world-wide by the Royal Navy, other navies and by navigators who require an independent means of navigation. Any data collected is anonymised.

Click here for a tour of the features of NavPac. Registered users of NavPac 4 should follow this link to download the patch. We do however recommend using the navpacc version due to its improved interface and functionality. The purpose of this publication is to provide navigators and astronomers with simple and efficient methods for calculating the positions of the Sun, Moon, navigational planets and stars over several years to a consistent precision with the aid of a pocket calculator, personal computer or laptop.

There are also functions for calculating rise and set times and determining the altitude and azimuths of navigational objects.

NavPac and Compact Data

Fixes a typo in the closing warning message. What were you doing? This is available as a free optional upgrade for existing registered users of NavPac and Compact Data News story NavPac 4: Additional astronomical data files are also found on the CD, which can be read into any computer. Skip to main content.