Modern Offshore Navigation
ASA 117 + how to cross an ocean
Three day class:
1. ASA 107 material:
Nautical almanac/Declination tables/H.O. Lookups
Position relative to the sun and associated calculations.
2. Sextant intro, how to.
Day on the water doing three sights. 11 am, noon, 2 pm.
Universal plotting chart, relative to local chart.
Route planning, celestial dead reckoning
Weather effect on route planning.
3. Modern navigation using Expedition
Sources of input data
Using sail Info/sail mail.
SSB/Satellite email connectivity
Putting miles in the bank
Weather fax on software defined radio
Uploading grubs and calculating daily waypoints