The OPUS message from Tuesday is at when the OPUS code was migrated.OPUS had some trouble downstream with organizing the files users opted to share, ...
A geodesist's perspective Realize, geodetic observations has been largely crowdsourced since 1970, first from other federal agencies, then states, and...
how does OPUS determine ORTHO HGT peak-to-peak?For illustration, I'll walk that through using a recent OPUS solution: [PRE]REF FRAME: NAD_83(2011)(EP...
Yes to [USER=10]@Jim Frame[/USER] !OPUS received some behind-the-curtain fixes last week. This week, a few folks have noticed unexpectedly large peak-...
NO, the National Geodetic Survey has no plans whatsoever to end OPUS. Modern users of NAD 83 and NAVD 88 rely on access via GPS, which is what CORS an...
see also the NGS video Two 'Right' Feet? Understanding the Difference Between U.S. Survey Feet and International Feet (2:39)
The H=h-N equation is essentially correct, but beware: there are many "N" geoid models, which describe the offsets between various ellipsoid and orth...
The "APPROX ORTHO HGT" line was preceded by explanatory text, no? This has been in the extended solution for many years now, though NGS just tweaked t...
OPUS doesn't report confidence regions. It lacks sufficient independent data to do formal statistics.OPUS merely reports the solution range (math-spea...
Donald -- Do you mean ? The "click to browse map" is certainly slow, it takes at least 30-seconds for the map to appear. It worked well when the serv...
This is a recent and known web issue for the OPUS group.An update caused the warning messages which usually appear, to get stuck up in your browser's ...
The maintenance is reported as complete, and there are no backlogs as of now.OPUS looks healthy, from NGS viewpoint.
NGS is accepting GPS on bench marks at any time now; 52 were added using the NGS OPUS "share" option in September alone.There is also early talk of st...
Thanks for sharing this, NGS sees error messages too. We just posted this alert and will remove it from the OPUS header when we figure out what's goin...
:-$ Sorry, a known bug, we hope to fix in future versions. It only affects IE browser, so choosing a different browser might work for you in the inter...
