Last seen: August 11, 2025 12:57 pm
Very Nice! Thanks for posting.One comment: In usgsdatumcodelist.pdf, it would be nice if the date was included just below your name. Future editions, ...
US "Survey" or INTERNATIONAL FOOTThe use of the U.S. Survey Foot by the survey trade is an unforgivable travesty which will burden, haunt and trouble ...
Mark - interesting. However, the washers are not shown in the ProMark2 manual that was delivered with my receivers. Neither is their use.As a digressi...
Compass Rule - starting-ending points order - same closureGiven the same orientation, the latitudes and departures for each course are the same regard...
Compass rule closure results - starting-ending pointsIf you run your traverse starting at point 1 and end at point 1 you will get a closure (perhaps 1...
State Plane Coordinates are ObsoleteProf Burkholder,Could not agree with you more except to say that state plane coordinates have been obsolete for a ...
JimmyIn your research, you may or may not be interested in the follow-up discussion to Meade's article I submitted as a letter to the editor. The URL ...
Discovery RealityThe "Discovery Reality" some may have "discovered" or known is that no matter the contract or statutes, the one with the most money w...
What is surfacing from the "basis for bearing" discussion, as well as many others, is debate about business and professionalism.Some posting to this b...
See Winter/Spring 2010 - The Pennsylvania Surveyor article Geodetic Observations by Charles D Gilhani, page 10:
As a surveyor, you must provide an opinion. However, you must also present the facts as basis for your opinion. As for the statement "make this alread...
Keep It Simple: Spiral Curve in a Railroad R/W"Any suggestions or experience on describing a spiral curve in a legal description to keep it simple for...
Possible Solution: Railroad R/W reconstructionI suspect a degree of curve error.Analyzing each curve results in:For chord defined curves -Length 1 = 3...
gps measure up = antenna heightYESAntenna height affects both horizontal and vertical, as related to gravity, measurements.The error in ECEF position ...
Closing the books - traverse adjustmentExplain to them that it is simple accounting. You have one account in the north-south and another in the east-w...
Excel spread sheet degrees and sexagesimal degreeshandyman6047, there are problems with negative angles using your formula. Try, for example, -25.3542...
Cited problem from California LS ExamQuestion 7.You are asked to convert a project coordinate from meters to feet.Given X = 1,925,786.624m and Y = 542...
Doubling angles, or repeating angular measurements and averaging, reduces random errors.Inverting the scope eliminates systematic errors.In mensuratio...
If the hexadecimal, instead of the decimal, number system had been used, it would be possible to refine positions with 60% greater resolution. Since a...
Benjamin Franklin and Andrew Jackson