Last seen: August 11, 2025 12:57 pm
Zeiss Th2 and Kern DKM2-AE
Spiral Curve, American Railway Engineering Association, D&RGAbout 40 years ago, I was involved in staking a couple spirals on the Denver & Rio...
follow-up: Find coordinates for Radius PointDave:In the solution I presented, the solution for h that I derived by subtracting the third equation from...
follow-up: Find coordinates for Radius PointAs an after supper exercise, decided to derive the equations for determining the center coordinates of a c...
The solutions are the red dots, top row of circles, on web page:Remember that in your case R1 = R2 and that modifications need be made to account for ...
Northern OpinionsFirst, it is probably a good idea to tell non-surveyors that north is an opinion and not an absolute fact. North is NOT north. One's ...
How it works - you be the judge
Sometimes ammonia solution, the kind you buy in the grocery store, will work very well especially if it was done on a HP DesignJet. The other solution...
NEW rubber-band ruleThe best way to measure grid distances is with a rubber-band tape!
Dictionaries1. English language2. ACSM-ASCE Definitions Of Surveying and Associated Terms3. a law dictionary (Black's ?)BLM ManualEvidence and Procedu...
Brute Force Solution - step by stepFor visual convenience, refer diagrams by Kent McMillan<>[pre]1. for computational convenience, let sides of ...
A little difference - now understoodAh ha, now I see and understand the discrepancy. It is a difference in methods. Your solution is dependent upon a ...
A little differenceA little differencePerhaps splitting of hairs is the issue? The ties I compute, based upon a least squares correlation with all pos...
Formatting only, but not converting to decimal degrees, can be accomplished as follows:Given cellsA1 -> 34.07500 A2 -> 68.17400A3 -> 102.2507...
Sort-a-sounds like acquiescence? See Jeff Lucas article in latest issue of POB.
Response to question "... how do you calculate that Radius?" Specifically, if understood correctly, "that Radius" is the radius of curvature referred ...
Interestingly, when listing numbers such as coordinates or latitude and longitude, people seem to make fewer mistakes in reading if the plus "+" or mi...
Excel Stationing - follow-upAs a follow-up to djames, some specifics -One of the easier methods for determining "right" or left directions for offsets...
Interesting description. My first impression is that the calls are the records of actual measurements along the lines; the actual measurements being c...