"Jeff" wrote in message
. ..
Shaun Van Poecke wrote:
Here's one for those of you out there without onboard
instruments/knotmeter/gps....

Is there any reasonably accurate (say, within a know or so) way of
judging the current, when you are under way, and there are no fixed
objects within sight?

Shaun

No, there aren't.

--
jeff


Yes, there is.

--
jlrogers±³©