by Capt. Roberto Iori

 Celestial Navigation ( nautical astronomy )

software to calculate the estimated co-ordinates of a celestial body (altitude and azimuth)

Sextant  -  errors, corrections and a friendly animation

Nautical Almanac of the stars

Nautical Starfinder

Celestial Navigation exercises book

  Navigation

(great circle sailing and rhumb line calculator)

Radar simulator

.... and more !

This email address is being protected from spambots. You need JavaScript enabled to view it.