Two instruments at 90?ø to pole? ?ÿ Am keen to see which pole is best too. Think Mark Silver posted a long time back he found it hard to find a perf...

If everyone shortcuts the tax system then rates go up to pay for same public services or would you prefer more potholes in your roads is my answer to ...

@larry-best?ÿ I specifically got the dealer to swap the Geomax one for a Leica GDF321 on my Zoom90 (which is otherwise the same as Leica TS15) as the...

Amen. This is so true. I hear from operators all of the time that it must have been a good position because I had low PDOP and good RMS values. RMS va...

@chris-mills?ÿ My pole is not bent, every pole I have used has some runout in the millimetre range, it is a manufacturing reality it seems.?ÿ ?ÿ Th...

@mightymoe?ÿ And that is one downside of robots, not looking at the pole hardly ever. Easy solution though is just to plumb up, shoot a point then ro...

@rover83?ÿ With the prism poles is it also the case you can detect the pole is out of plumb more reliably when spinning the 180?ø? ?ÿ Not what I ha...

What is the quantum of the APC offset for mainstream receivers 1mm? 5mm?appears to show in low mm from what I can follow. ?ÿ I use a sokkia ap41 rot...

@firestix?ÿ The counterfeit ones look so close to original's. You'd have to have side by side with genuine and then still be tricky, adjusting them y...

@jph?ÿ Yep when firm I was at some years back got their first robot were getting poor traverse closes using forced centred methods, turned out the ol...

I'll second that, buy the gdf322 or just make do without! Wondering if your cheap tribrachs have gone out anytime you setup is no way to be productive...

@bstrand Much easier to measure an existing mark precisely with GNSS (static or RTK) but not so easy to set out to the same level of precision in a ...

@bstrand?ÿ Or a fencing contractor removes it to put a post in then "puts it back in the same place"

@jimcox?ÿ Some fly by nighters are saving a few $$ by skipping the second round of fixes but personally I'm just appreciating the extras sats all on ...

Not a fan of the software itself personally but I'm guessing they want everyone to buy through the relevant dealer who has access to full manual/sales...

@ramses?ÿ Do they get tracked by the instrument as well?

Check out Or ?ÿ Think some get 200-300m to Lecia robot radio handles with the right drivers on tablet alone, adaptors above just improve it.

@hpalmer?ÿ What software are you running the Tersus Oscar with? ?ÿ Having tried XPAD and Carlson SurvCE with Geomax the XPAD is far easier to use a...

Big firms sure only one brand but most smaller shops buy over time and that often means mix and match even if it's just different generations of gear ...

@hpalmer?ÿ Do you use other GNSS you can provide a comparison with or just the Geomax? If buying newer do you mean the Zenith 60 or another receiver?