Ce­les­tial nav­i­ga­tion for yachts­men

Yachting Monthly - - BOOK REVIEWS -

By Mary Ble­witt, pub­lished by Blooms­bury at £11.99 A re­cent lec­ture to the So­lent Branch of the Royal In­sti­tute for Nav­i­ga­tion ex­posed the real vul­ner­a­bil­i­ties of GPS (as we’ll see in a later is­sue of YM).

Tra­di­tional meth­ods of nav­i­ga­tion are re­garded as es­sen­tial as back-up and, if out of sight of land, astro nav is your best bet. This slen­der vol­ume of 78 pages, in­clud­ing in­dex and ap­pen­dices, strips the whole busi­ness down to the­ory, and prac­tice. Mary Ble­witt warns, ‘The reader’s real work will be­gin af­ter he has ab­sorbed this book,’ adding en­cour­ag­ingly: ‘Take one sight and you will be be­wil­dered, take two and the fog be­gins to clear, take a dozen and you will won­der what all the fuss was about.’ Here’s hop­ing.

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