"Shaun Van Poecke" wrote in message
...
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


Yes, there are.

--
jlrogers±³©