Surveyors prerogative for topo. Whatever is traditional to your locale. Check city/county for plat requirements - different according to each town. S...

Looks like I may hold off on buying that $20K receiver! (wink) If they came out with a decimeter model, would it be even cheaper? o.O

>at altitudes from 10 feet AGL to 1,500 feet AGL, including flight "directly towards an individual standing on a . . . sidewalk causing the individ...

> GRAV-D is the process by which NGS is collecting the gravity data required for the new geopotential (vertical) datum to replace NAVD 88 which is ...

First, the paper appears a bit newer than the parchment types done in the 1800's (I'm supposing here).The paper color appears lacking in typical yello...

One possible way is to locate the markers in a text editor like [TextPad] using the highlight-search function. Then, just rem (insert # at front of li...

Would have done so earlier, but needed some cash first. Hopefully we can encourage a few to chip in. Great site that is well worth a few bucks. :good:

At 8k it is outside my price point. I do the occasional odd job on weekends and don't need all the bells and whistles anyway. But I like to experiment...

> So what used Base Stations would you recommend or new Base. I got about 5 grand to put onto the project .I'm basically where you are at. I have a...

One place I found significant info was at:I believe they were the first to develop NTRIP methods.

Their right of ingress and egress has been extinguished. One must protect one's own. But that was a little over the top. Now he has lots of publicity ...

Thanks for the reply. I left work for the day and will check it tomorrow. Sorry I don't have an answer. I'm thinking of going for Carlson at this poin...