DP330-26-30 Navpac/CompactData

DP330 - Navpac and Compact Data covering the period 2026-2030. NavPac and Compact Data 2026-2030 is now available. NavPac software enables navigators and astronomers to compute their position at sea. It contains features such as calculating great circle, rhumb line tracks and a night mode setting which reduces the amount of light from the screen, allowing the software to be used without compromising night vision. It provides methods for calculating rise and set timesand determining the altitude and azimuths of navigational objects over several years to a consistent precision, with the aid of a personal computer or laptop. NavPac is supplied on a DVD and is used by the Royal Navy, other navies and by many commercial navigators who require an independent means of navigation.