Very nice! He obviously knows the difference between GUN and gun. Loyal

I know Dave, I was just adding some more information concerning "stakes in pits" into the conversation. Loyal

Instructions of the Commissioner of the General Land Office to the Surveyors General of the United States relative to the Survey of the Public Lands a...

Right on! Appling curvature & refraction, I get -6.9718.

?ÿ ?ÿ Ain't that the TRUTH!

Another GOOD reason for using ECEF X/Y/Z

AND the Realization (epoch etc.). That SHOULD go without saying. The "origin" of said position (HPGN, HARN, FBN, CBN, CORS, OPUS etc.) should also be ...

Probably more common in Oklahoma than anywhere else ("Indian Territory"). We have some (3-mile) Townships around these parts (on Indian Reservations) ...

ZERO%?ÿin the last [nearly] 40 years. Ye ol' 5k5k w/a solar was SOP back in the 60s & 70s, but by the mid-70s MOST of my work was tied into the Na...

That's weird! I would just open the file in NOTEPAD, delete the [extra] space, and then save the file as xxxxxxx_e.xx0 (_e) to indicate edited. Just b...

Egypt!!! Wow, cool! I didn't make the connection like Gavin did. I have only traveled/vacationed in Egypt, but as I recall, John Hamilton has done Con...

Howdy ashraf, That's a pretty big order, and there are far too many?ÿ"unknowns" to ponder for a simple answer. First would be the Post Processing Soft...