You need a photo editing program with resizing capability. I use the old PolyView but there are many programs.The main thing you need to do is reduce...

It's curious that they chose Highway 30 for the route of that profile project, maybe 30-some miles south of the center of the anomaly, instead of High...

So they could define the ellipsoid and horizontal datum origin, but to compute the horizontal position of anyplace else they needed to relate the meas...

Seems like more people on here have disagreements with Robilard's philosophy than with the original Brown version.

I regret that I passed up one in a secondhand shop, figuring no one would want it and I could get it after the half-price markdown that was due on it ...

I live in a stable area but 40 miles from the nearest NGS station that has both classical NAD83(86) and any form of GPS data on the data sheet. OPUS-...

I'm not sure what tool you are using. I tried VERTCON with these results. Note that a west longitude must be entered as 3 digits with leading zero a...