Now we are ready to proceed to the plotting sheet. On my boat, I use a navigation log book with squared pages, and make life easy for myself by making my plotting sheets on the book, this way everything is nicely documented and can be checked by the organisers of the races in which I participate.
My approximation for a plotting sheet is that every square is five minutes of latitude, so 12 squares up or down equal 1° of latitude. Between latitudes 0º–20°, the longitudes are on
