The 1.7 degrees is mapping angle for the UTM system listed, and not the SPC. To find out SPC use a utility like corpscon or the online conversions on...
If you are talking about the 80 acre lots, that is a practice that was followed for a while and is fairly common in some areas. I would bet it is dep...
OMG!Still a lot of luck, but perhaps a good indication of the capabilities of the solar transit in the hands of a diligent GLO hand.
Actually according to the plat the record bearing is N. 0d 02' E. which is rounded to nearest minute. You don't say which way your line fell. The pl...
I have an excel spreadsheet to compute hour angle. One version automatically provides ephem data for this current year.If interested, shoot me an emai...
In my area it sometimes took more than 24 hours to get complete or adequate CORS data so I had to learn patience in submitting the dataAlso OPUS-RS is...
Look like difference in consecutive values for use in interpolation. My first guess.Jlw
I'Ve been told that items of topography not tied in directly in the survey are sketched in by the deputy from memory with their locatiOn determined "b...
The fixed frame device we discussed a few years ago was called an 'a frame',, sometimes referred to as an 'A,, typically 1/10 chain across. Google it...
I would be interested in knowing if any of the commercial cogs/design packages allow for computing the proper area if the project is in SPC with eleva...
Since no one else has replied I will contribute my minimal knowledge. The coast guard signals get you down to maybe the 2 meter level at best. They ...
As an aside, I think I recall that it was fairly clear that Al White did not make it to the true initial point as it looked to me like he visited in i...
here are some links you can probably expand on quickly.As you might research PLSS history, the colonies agreed to relinquish their western lsnds in fa...
I found a number of informative links about township surveys in Tennessee a few years back on some geneology sites. The links may no longer exist, bu...
One way to avoid confusion in setting any compass declination is to find or obtain an external meridian or line you can set up on and adjust the compa...
I don't recall the specifics of this one, but very often these fixes seem to go to special legislation (act of congress) because the STA requires fair...
The "Alphabet Stones"I haven't really followed this thread closely, but almost all homestead entries I am aware of on public lands were surveyed and a...
I have a pretty complete set of SCJ, got some back issues at the beginning and was with it til the end. I think the issue with my solar program in it...
These type instruments show up frequently on ebay and I used to watch them, but haven't lately. I would say they typically would go for between $150-$...