DP330-21/25 Navpac/CompactData

DP330 is a new CD-based edition of Navpac and Compact Data covering the period 2021-2025. The NavPac software (v4.1) runs on a PC under Microsoft Windows (8/10) providing the navigator with a simple and efficient method of calculating his position at sea using sextant observations. It also provides rise/set times and positions of the Sun, Moon, planets and navigations stars for planning astronomical sights. It can also calculate great circle and rhumba line tracks. Please see Section VIII for further details.