Posted by Dave W on April 17, 1999 at 19:01:00:
In Reply to: Re: Night Sailing navigation posted by Jon on April 17, 1999 at 18:34:23:
Thanks Jon for the further comments re : night vision equipment.
If you're at all interested in a cheapish DGPS add-on to your own
GPS receiver, I've found some interesting information regarding
making your own at this site.