Software package navpac

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The Mariner's Blog. Maritime Resource Directory. This page provides a focus for information, issues, updates and bug fixes relating to NavPac 4. NavPac version 4. 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. There are also functions for calculating rise and set times and determining the altitude and azimuths of navigational objects.

Click here for a tour of the features of NavPac. Additional astronomical data files are also found on the CD, which can be read into any computer. Astronomers, navigators, surveyors and general users will find these data files ideal for making their own astronomical calculations where positions of the Sun, Moon, planets and bright stars are required. Add to Cart. NavPac and Compact Data enables navigators to compute their positon at sea.

It is a computer application, with a supporting publication of data tables, which provides a quick and efficient means for computing a fixed position at sea, using celestial navigation. The application uses data that is produced to the same precision as the ADMIRALTY Nautical Almanac and removes the need for complex, and time consuming manual calculations, reducing the time to identify a location from the tens of minutes to single figures.

It also provides methods for calculating the positions of the Sun, Moon, planets and stars to a consistent precision, with the aid of a pocket calculator, personal computer or laptop.

This software package also includes features designed to make celestial navigation easier, including:. Additional astronomical data files are stored on the CD, which can be read into any personal computer. Astronomers, navigators, surveyors and general users find these data files ideal for making astronomical calculations where positions of the Sun, Moon, navigational planets and stars are required.

GNSS is a satellite navigation or satnav system that uses small satellites to pinpoint the geographic location of a user's receiver on Earth. International Admiralty Chart Agent Delivering navigation safety since Adding item to basket. Toggle navigation. Admiralty Standard Nautical Charts. Imray Charts Imray Charts. Small Scale. Norway Charts Norway Charts.