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Frank wrote:

> Bill wrote:
> "An ID 10-T  question."
>
> First, thank you for making me look this up. To save anyone  else the effort,
> if you write out ID-10-T, and drop the dashes... and make the  "1" look more
> like an "I", you get IDIOT.

Sorry about that. It is in such common use as an error description by
programmers and alpha geeks in the the Purdue area, I thought it was
universally known.  Another common acronym in the software industry,
especially with support folks, is "DSO Error."  DSO being "dumb sh-t
operator."

Thank you for the excellent description of the process.  As other list
members have mused, I too find it rather amazing that it was almost a
century after the on-board chronometer was invented that Sumner stumbled on
and published the concept of the celestial LOP.  One would think that since
it was in most cases a running fix, and latitude was often determined by DR,
that someone would have done a couple of "what ifs" with different latitudes
long before and noticed the relationship.  A great case of mind set blinding
one to options.  My feeling has always been that creativity is a momentary
cessation of stupidity.

Bill

   

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