Thistlebase
How to Use Those Wind Shifts, Compasses, and Course Computers
Comprehensive article explaining wind shifts, how they occur, and how to use compasses and course computers to recognize and take advantage of them for improved sailing performance and race positioning.
View original on Google Drive · page 6
The scanned issue opens in Google Drive; turn to page 6.
This is a summary. The full article text is © the Thistle Class Association — read the original scan via the link above.