Hi Dave,I'm probably completely out to lunch, but here goes.I think a geoid affects a raw GPS measurement not at all, or only minimally, because the G...
Ocean surface topographysays up to 2 m variation around the world. I seem to recall that the west coast is higher than the east coast...let's see. The...
Great answers are being posted. When you have time, you might want to look at NOAA and NGS's FAQs, articles, and webinars/presentations. Here are a fe...
I'm on Jim's side. It's the 5th or 10th or 100th time that a safety precaution isn't followed that something's going to happen. Skipping one thing mak...
I *thought* that was Fort Davis! I'm glad to know that I remembered correctly because it's been at least 30 years since I've been there.Harsh, but bea...
link to articles pleaseHere's a link to a list of articles by Larry Phipps: The series appears to be called "Value Pricing."Melita
Teresa,I think you're unfairly knocking Harold's nephew. He realizes that the common practice of some surveyors to use a local coordinate reference sy...
It sounds like he wants to use double precision calculations by default. That should easier than rounding to 12 digits for each calculation. This shou...
This site has pretty clear instructions.edit: Which ArcGIS version are you using? We added support for port numbers higher than 9 at 10.0 SP4 / 10.1. ...
iPads/Tablets - ruggedized cases?HWMBO (yeah, right) has occasionally mentioned acquiring a tablet (Apple / Google is still to be decided) for use by ...
I want all attorneysIn a lot of states they are required to be fingerprinted, as are day care workers, teachers, doctors, nurses, etc.
Possible alternative sourceThis web service is using NGS control point information from 2011 according to the metadata, and I haven't checked to see w...
Would Not Doubt It Is Through An NGS LinkThe servers still use electricity both for power and air conditioning = $$
My partner and I just traveled with two 16 month olds from Ontario (California!) to San Antonio via Houston. We did buy a seat, and kept swapping them...
IANAL (I am not a lawyer). The Digital Media Law Project website says that Idaho is a "one-party" state. That is, one party to a telephone call can gi...
Did you try a whois on the domain name? I haven't checked to see if the phone number is a duplicate of one on the web page, but at least there's a nam...
It's a lobbying group for the oil and gas industry that's running a...survey.
It's hard to tell from the manual. It does list the protection against water, dust, and sand as IP54. The "4" corresponds to water: Protected against ...
A friend and I passed through on a post-college-graduation trip way back in the late '80s. Part of the reason for stopping was to visit a fellow stude...
GEOCON converts from the last HARN re-adjustment for a state to NAD83 (NSRS2007). GEOCON11 converts from NSRS2007 to 2011. They list the HARN re-adjus...
