We just got the hp t 520. Great plotter at around $3k, really fast. The only complaint is that it doesn't like single sheets, so you have to mess with...

I tried that the first time, and it didn't work (same problem as above).It did work this time after clearing cache and cookies, however. Thanks everyb...

I see...I must be using the conversion software incorrectly then, because the three files I get when converting to Rinex are:*.13d*.13G*.13NI will kee...

How about creating 2 surfaces, defining them by including pts above (or below) your datum elevation, and editing the properties of each to make one re...

email address?link broken also.

From wikipedia:"Google Earth uses digital elevation model (DEM) data collected by NASA's Shuttle Radar Topography Mission (SRTM)."That is one of the s...

I have always hated the Javad ads. Not only are they intrusive by making it difficult to flip through the pages quickly, but they seem to have the opi...

In the local paper today they ran a few classic questions and her responses. My favorite:Dear Abby,What do you with a man who won't use deodorant, doe...

2025the sum of the integers' cubes. also the square of the sum of the integers.GOSH!!!Gosh Numbers(Also -40)

I recall in reading Ken Jenning's "MapHead" that surveying/mapping companies used to put bad data or fake things on maps to catch copy-cat companies. ...

"Surveyors give it to you within seconds"