Last seen: April 9, 2026 5:20 pm
Inverse law of errors. Yes an instrument of lower precision can by repetitive measurement achieve higher accuracy. Even a T16 (a 20" gun) can return 1...
Can't argue with that.
I'm sure Harrison would be pleased. I'd be happy with a replica H4.
Although, I worked a RRD project which had lots of room for misinterpretation. The RRD designed a grade separation. And they took on both the 1/2 mile...
Top of curb v. flow line gutter is a nightmare to keep track of.
The clearance to low chord of a bridge is one of those things that has to looked at, and checked a dozen times by all parties. It could be as simple a...
JOHN NOLTON, post: 373439, member: 225 wrote: 5. A astronomic azimuth will be different from a GPS derived azimuth; because________________________. F...
JOHN NOLTON, post: 373439, member: 225 wrote: till you really get good at observing So he took the average of 4 solar azimuths, observing the trailin...
I've used Starnet since DOS3 versions on 5" floppies. Typing in data for networks that are on the order of construction control is a no brainer. My da...
rfc, post: 373403, member: 8882 wrote: total station in hand, Or transit and chain.
McGiver a microwave oven into a transmitter.I was working in a low altitude mapping mission in close proximity to a TV broadcast antenna. GPS was no t...
I've seen that syndrome in many workplace situations. Not just surveying. I call it "a mother's love" for your own measurements over anybody else's. A...
How about equal treatment. Suppose a block of 30' lots was laid out, and corners monumented with pipe with tags - original corners, with no apparent d...
I find this book a very good and interesting textbook on the science of many aspects of surveying. It describes state-of-the-art technology as it stoo...
Overall it sinks. It's a '30 ft' lot, exactly matching [the spirit of] the zoning reg. When is a tree a bush?
There already have been a lot of land owners on the north side of the border, but south side of the 2006 border fence campaign. A fence without gates....
Especially if you have a 35 lb T3.
The little steel mini tower is reminiscent of the old bilby towers. And you won't have to be too concerned with sunlight. When you get serious about A...
I used to find these permanent stands over bronze disc set in concrete. Build one of these. That's an Ashtech antenna propped on rocks.But a 5/8 stud ...
Build a mini tower (tiny oil derrick) out of angle iron with a permanent 5/8" threaded stud. That way the monument is available and the tower removabl...