The newest version (June 2015) of navigatrix is out and can be found here:http://www.navigatrix.net/
A great way to start with this is to download the operating system from their download sites:http://www.navigatrix.net/download.php? ... b7c078b897
It's free to register for the site, which allows you to download the system and to post to the forums (support).
I downloaded and made a bootable usb. A neat trick is to add "Persistency" to your bootable copy on the usb.
While booting up your new copy of Navigatrix, once it loads you will see choices at the bottom of screen. I chose F1, which took me to a menu of options. I scrollled down and choose "Persistency" and hit enter, system will reboot and then at the bottom of the screen will read: " creating persistence on root medium..."
Rule of thumb from their documentation is to choose 1 GB persistency for a 4 GB stick, 2 GB persistency for a 8 GB stick, 4 GB persistency for a 16 GB stick. It will take a few minutes once you choose your persistence and hit enter. While that is working, you'll have time to grab a snack and drink. The system will re-boot when finished. Now you have a bootable portable linux operating system that will save changes to your usb drive as you make them. If you do NOT have any charts to put into your system to run, you can navigate to this site for maps and downloads: http://campus.sailoog.com/mod/page/view.php?id=158
Note, these downloads referenced may be illegal in certain countries.
At any rate, here is the newest version of a great little system that is designed by boating people for boating people.
CF-30 MK2 SSD LMDE2
Betsy, MK2 Navigatrix, Fundraiser for TbT
CF-52 GUN SSD LMDE2
Betsy(NICE) Thanks Sadlmkr
CF-29 MX-16 (https://mxlinux.org/
CF-28 MK3 MX-14.3 & MicroWattR8