Sailing Navigation: Can We Trust GPS?

Sailing Navigation: Can We Trust GPS?

Sailing navigation – Astro in the raw. Credit: Tom Cunliffe They may sound like ideal moves for dance floor divas but jamming and spoofing in GPS terms are serious concerns for all those who rely on satellite navigation. Tom Cunliffe shares his sailing navigation wisdom… When I took my first brick-like Magellan GPS receiver out of its box back in the mid-1990s, I was in Wick, NE Scotland. The fog was thick enough to walk on. Filled with a confid…