Nov
I have this installed on most of my PCs including the two laptops on
the boat. It is comparable to the professional navigation packages
that cost hundreds of dollars. Charts are free for downloading from
the NOAA web site:

http://bigdumboat.com/LTS/marion/OpenCPN%20SSCA2016.pdf
......

Wayne thanks for posting that. I see it's available for Windows XP. I might have to dig up the wife's old laptop and put it in there...