Today's adventure: seeking #sailing electronics.
One can #sail most places with a few #charts and tools, a #DepthSounder, and hopefully a pair of binoculars. Modern sounders are a marvel of technology - a standard #transducer reports through-water speed, water temp, angle of heel… and depth.
A #GPS device is now considered standard, though most people rely on their mobile phone. A #ChartPlotter is a better tool, and can display sensor information too.
But not exactly free…