That 426 figure I quoted was from the PurpleAir site, which defaults to the raw reading from its low-cost sensors.?ÿ I've since learned that the Purpl...

AQI 426 now.

I'm wearing an N95 mask in the photo.?ÿ Even though I have a beard, I keep it short and the seal seems to be pretty good.?ÿ The mask is a pain in the ...

AQ is deteriorating.?ÿ The nearest sensor (about 3 miles away) is now reporting 359.?ÿ By early afternoon my robot was unable to find the prism beyond...

Aside from surface elements (e.g. TIN, breaklines, 3D nodes), when you draft in 3D what elevation do you assign to annotative text? I'd be curious to ...

If the engineers or clients are using models, C3D is a must. My engineering clients haven't said anything about the models I furnish.?ÿ What's special...

The post may have been edited, but the title hasn't been:

This was a trick question, and all of you missed it.?ÿ The real answer:?ÿ you don't locate the sag in an electric line between 2 telephone poles.?ÿ Th...

I'm doing a B&T on a lot in a 1970s subdivision.?ÿ The lot is in a block with canned bronze disks at each end of the 500-foot centerline tangent, ...

The Berntsen is more of a lath bag, too deep for my purposes.?ÿ (I have a lath bag, and it's great for carrying lath, but not for a bunch of small too...

Hayes was the first website I checked, but I didn't see any plain Cordura stake bags.?ÿ?ÿ How do I find it?

OUAT ??

That bag is a little short on pockets, but I'm not sure I'll really miss them.?ÿ I ordered one of the larger (22") size.?ÿ Even with ten bucks shippin...

Leica may be an exception - they have always been a tough nut for 3rd party developers to crack. Trimble isn't exactly friendly in this regard, either...

I believe it depends on just how good a solo guy is at standing up a rod and having it stay there while you walk back to the level to read it. My rema...

I'd need more information to answer the question.?ÿ What standard are you required to meet??ÿ (Are there client requirements or state minimum standard...