[Milsurplus] An altimeter puzzle

[J. Forster]

Best seems to be it's been modified.

Fore SURE, a Knot = Nautical Mile / Hour. = speed

Thanks,
-John

C Whitaker wrote:

> de WB2CPN
>
> Maybe Nautical Miles, about 6000 feet?
> I don't think "Knots" is speed, but distance.
>
> Of course, I could be lying.
>
> 73  Clete