This is a new international knowledge base. The art and science of navigating by yourself is free. Yet, you don't have to pay any money. Old seafarers used the seem techniques as explained in these materials. Symbols are dealt with and plotting and magnetic etc.
Health is everything and paramount when enjoying the great blue.
For safe boating it is essential to know the positioning methods. Old seafarers used the seem techniques as explained in these materials. You will make the discovery of how easy navigating by yourself is. This is a new international knowledge base. You won't need electronic equipment.