Modern pennies are mostly zinc with only a thin veneer of copper that will wear away quickly. Unless there's abrasive exposure (think tires or shoe...

I always assumed that the minimum distance spec meant that you couldn't reliably get a shot that close, but the few time's I've pulled in tighter I've...

airport surveys with bench marks at the end of the runways, two first order bench marks at the airport Twenty years ago I used to be able to drive ...

Otherwise all projects (old and new) will have 437 different sets of coordinate values to choose from, most of which will be entirely fubar As with...

That's a very nice presentation of the issues, thanks for posting it!

jim frame, what hardware and software are you using to output the data to Opus? Javad Triumph-LS (hardware and software), though I haven't experime...

I've driven through John Day a couple of times.?ÿ The thing I recall about its namesake is that once, while camping on the Columbia River, he and his ...

It looks like something designed to press a large flat thing against the glass.?ÿ But what kind of thing, I don't know.

I would probably resect more often than I do if it weren't for the fact that on multiple occasions SurvCE v5 had failed to solve what should have been...

I still have all of mine, but after almost 30 years in business I'm only on No. 33, so storage space isn't much of a problem.

I haven't found an advantage in having a robot with one guy in the woods. The only advantage is when you only have one guy. Traversing through the...

I've been using these for a couple of decades to house 18ah SLA batteries.?ÿ I fitted them with a MIL connector that mated with an Ashtech Z-12, then ...

I believe that you are thinking of eminent domain. A taking via eminent domain may have been planned, but as I recall it hadn't been completed, and...