![]() In fact, you can run it on almost any machine running Windows, MacOS, Linux or Android, but only on Android phones or tablets. The name stands for Chart Plotter Navigation, and as you’d expect, the aim of the software is to replicate the function of a dedicated chartplotter on a laptop or a tablet. You can plan routes with one click and test various scenarios to find the fastest or safest passage plan. With this info pouring into your laptop or tablet, plus weather and tide data from an online service, your screen becomes a veritable navigation hub. If you opt to hard-wire the connection for laptop use, you’ll need a free node on your NMEA 2000 network or an unused NMEA 0183 output close by your laptop. In the former case, you’ll need a wifi bridge that is wired into your boat network to collect instrument data and transmit it wirelessly. Good software allows you to connect to your boat’s NMEA instrument network – either by wifi or through a wired USB connection. ![]() They are best viewed on a laptop, but can also be displayed on a phone or a tablet, further saving the cost of buying and installing a specialist chartplotter. You still pay for many digital nautical charts outside the US, where the NOAA has made them freely available, but they often cost less than 10% of the branded charts. Sailing ground off the coast of New York – Open CPN screenshot ![]()
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