Nautical Almanac 1988 Pdf Jun 2026

Do you have a specific sight to reduce from 1988? I can help walk through the process if you share your UTC and sextant altitude.

In 1988, the first GPS satellite (Block II) had just been launched. The Soviet Union was still a rival. Sailors crossing the Atlantic that year had a choice: trust the new, experimental Navstar system, or rely on the tried-and-true Nautical Almanac. nautical almanac 1988 pdf

For every single hour of the year, the almanac gives you the precise coordinates (Greenwich Hour Angle and Declination) of celestial bodies. With a sextant, a chronometer, and this almanac, a navigator can pinpoint a vessel’s position within a few miles—no satellites required. Do you have a specific sight to reduce from 1988