thebionicman, post: 454562, member: 8136 wrote: Pour in place monuments generally rest on virgin soil. Precast will depend (at least in part) on fill ...

Sounds like a judicious application of tape might improve the dimensions.

Jim in AZ, post: 454574, member: 249 wrote: In 5 years this will be a moot point In the meantime, I'm trying to add a few points to the OPUS Share da...

Poor measurements are never more desirable than good ones, even if excellent ones aren't essential.

The antenna assembly will contain a preamplifier that needs DC power via the coax cable. The voltage range acceptable to the antenna may vary with ma...

eddycreek, post: 453987, member: 501 wrote: calculate from those 2 points about 500' away, to locate with the garmin to start looking. I didn't pay e...

Some of mine on android:home screen link to RPLSTodayhome screen link to National Weather Service for local areaBenchmap - shows NGS marks and can pul...

I see non-reciprocal opposites. The opposite of a mapping technician is a chief executive but the opposite of a chief executive is an agricultural gr...

Did the one that was not successful elicit any messages that might help diagnose? Was it perhaps too recent for the orbit data to have been posted? ...

If I recall correctly, Conrad was working under very well controlled conditions and found that a major source of error in his instruments was systemat...

GeeOddMike, post: 454039, member: 677 wrote: Dynamic Height listed on the NGS Data Sheet is not listed as GEOID12B. A geoid model is NOT involved in t...

GE he has gotten very good in some places and might be better, but you'd need to check the specific area.Set the Garmin to decimal degrees to get the ...

5" at 141 m (diagonal of your site) is 3.4 mm. A better instrument wouldn't give much improvement unless you can center it and the target better than...

John Putnam, post: 453971, member: 1188 wrote: he went down well over 5 feet trying to get down to the pre fill ground level Maybe when I was 30 year...

briniker, post: 453634, member: 9386 wrote: if everyone carries a tile probe, If a bench mark is that deep I'm probably not going to dig for it**, an...

Dynamic heights are appropriate for work with water surfaces over large areas. Most other work in North America is done with Orthometric. There are a...

I'm not a CAD user, but it seems to me that it should offer a line that will only terminate on pre-existing points. No missed snapping.Then that lin...

Jim in AZ, post: 453455, member: 249 wrote: When I get to thinking about it it makes me nervous that I usually report some "adjusted" measurements in ...