In article ,
TonyV wrote:

Interesting. If your field elevation is under 1000 ft MSL I would have
assumed that the thousand-foot indicator pointing just left of zero would
be a tipoff.

You'd think - but it ain't so for about half of the folks I pull that
trick on.

It's too easy to see that hand where you "know" it is instead of where
it really is, when you're paying most of your attention to the 100s hand
anyway.

--
Mike Ash
Radio Free Earth
Broadcasting from our climate-controlled studios deep inside the Moon