Rather than return to the site to take other VRS observations, why not take a 15 minute static observation and process with OPUS?
The accuracy specifications for EDM or the EDM portion of a total station has improved over the years. In the 1970s ±0.02 ft plus 5 ppm was common. No...
Most of them that I found were in good condition, but were about 0.8-1.0 below the surface. I don't know how hard the soil was when they were driven. ...
These are common in Minneapolis & St. Paul, MN and in the older suburbs surrounding them. I believe they were cut from scrap pipe with a large han...
I would not have hidden the surveyors number.
Refraction varies with air temp. and pressure. The values in the formulas are for average conditions. Unless your sights are very long those values sh...
Usually, But Not Last WeekSee:for GPS ephemeris availablity.The final or precise orbits are released on Thursday for the GPS week that ended about 12 ...
Precise orbits are released on Thursday, a weeks worth at a time.
The GSI format is not very complex. I've written programs that read data from GSI files, but its been a long time ago. If you send some sample GSI fil...
I'd recommend replacing worn tripods if the leg clamps don't work, then other parts are likely worn out too.
See:for some hints on how to get TrimbleRTX to process data from other receivers,
I could write Autolisp code to create circles and delete the ellipses. My offer: $100 fee and I'll provide the code in 3 days.Tom Arnesontom@tomarneso...
Minnesota was surveyed from two initial points:The 4th PM & Extended Baseline (1831) which is well north of the Baseline of 1815The 5th PM & B...
Definition of "Legal description"I call them "Land Descriptions", and have since the middle 1970s.
8+ years in USA Army with on-the-job training as an artillery surveyor after being trained in two other artillery areas (artillery rocket crewman and ...
Leica doesn't own MicroSurvey. Hexagon owns both Leica Geosystems and MicroSurvey. There are still silo walls separating the separate entities.
Why Did You Have The Locator In The Bedroom ?When I was doing a lot of field work (a long time ago), I'd dump the contents of my pockets into a large ...
Note that this webpage says it uses a spherical model, so it's only giving approximate results.
The Minnesota DOT developed County Coordinate Systems which are low distortion projections.See:
