JAXAshby wrote:

jeffies, DR is just guessing, and the degree of uncertainty can not be
determined. That is physically impossible.

remember, jeffies, when you claimed to have a degree in physics from some
junior college? Well, if you had that associates degree in physics you might
have heard of the PhD thesis written a hundred some years ago by a young man by
the Al Einstein.

He was a crap navigator.

Cheers