P.S.?ÿ I just noticed that two of the control points have the same elevation.?ÿ I hope that's just a coincidence.

I bought a Topcon GTS-302 in 1993 for $10,200.00.?ÿ It was the current-year model and came with a TDS-48.?ÿ In late 2015 I bought a GeoMax Zoom80R 2-s...

I submitted a 4-hour observation this week on the only priority mark within 40 miles of me (JS2282, D 644, a Priority B mark).?ÿ It was a repeat of an...

I have a Pipe Mic II, and I've used it on maybe 50 manholes.?ÿ I think its most valuable feature is the ability to measure the pipe size.?ÿ Lots of ma...

We use this one, and it kicks butt: Note that this antenna has a gain of 7 dBd (= 9.15 dBi), which dramatically increases the Effective Radiated Power...

At one firm we all looked like linemen with our tool belts and gear hanging down, at another we carried our possibles in a stake pouch and kept oursel...

Thanks Jim. How about the "Edge" remarks above? As I noted earlier, the Surveyor+ can be difficult around the edges, particularly the very narrow vert...

I bought a Chinese knock-off via eBay a couple of years ago that I think I paid about $75 for.?ÿ It lasts about half as long as the genuine GeoMax bat...

A general comment on the Surveyor2:?ÿ it's the successor to the Surveyor+, which I've been using for a couple of years now after my Allegro CX screen ...

I have a Surveyor+ rather than a Surveyor2, but they may use the same touchscreen.?ÿ I've also found that using the screen very near the edges can be ...

Curious what you use with your Geomax instead of the Leica 360. I use a Leica mini (GMP101).?ÿ It requires that I pay more attention to where the pris...

The full-size Leica 360 prisms are awfully heavy; are you sure you want to tote one around all day??ÿ I pretty much never use mine due to its weight a...