There are still not as many marine navigation programs for the Mac as for the PC, but their quality often matches that of PC software, and their cost tends to be lower, ranging from free up to about half the price of a top PC program. If youre unfamiliar with the differences between raster and vector charts, the National Oceanic and Atmospheric Administration (NOAA) has an excellent explanation online, at Basically, raster charts look like traditional paper charts, whereas vector charts display a variety of layers of navigation info, often with proprietary add-ons from companies like Navionics or Garmin. In 2005, he followed with MacEnc, which was very similar to GPSNavX but used vector (or ENC) charts in addition to the raster charts that are used by GPSNavX. The void was filled by an Oregon company, operated by programmer Rich Ray, when he introduced GPSNavX in 2003. The Mac must also be using macOS High Sierra or later, the latest version of macOS Sierra or the latest version of OS X El Capitan.When Apple converted to its current Unix-type operating system-OSX-in 2001, there were suddenly no navigation programs for Macintosh computers. To download an installer suitable for creating a bootable installer, use the App Store or use a web browser to download from a compatible Mac. Follow the onscreen installation instructions.Ī bootable installer can be useful if you want to install macOS on multiple computers without downloading the installer each time, or when you can’t install using the other methods. Open your Applications folder and double-click the macOS installer, named Install. pkg file, then follow the onscreen instructions to install the macOS installer into your Applications folder. dmg file to open it and see the package (.pkg) file within.ĭouble-click the. Use these links to download a macOS disk image (.dmg) file.ĭouble-click the.
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