TAG: OPUS

Do You Know OPUS Can Do This?

March 7, 2014By
GNSS Choke-ring antenna used

I recently was involved in a project outside of the United States. Part of the project involved setting up a couple of RTK base stations. Of course, I wanted the antenna surveyed with reasonable accuracy with respect to ITRF. Even though supporting OPUS outside of the U.S. is out of the scope of the NGS mission (I assume), it works... read more

This article is tagged with and posted in Newsletter Editorials, Survey Scene

Seven Free Alternatives to OPUS GPS Post-Processing During U.S. Federal Government Shutdown

October 2, 2013By
NGSShutdownScreen-250

On October 1, 2013, the U.S. federal government shut down and furloughed 800,000 non-essential workers. While services considered essential remained active, those considered non-essential services, like the National Geodetic Survey’s Online Positioning User Service (OPUS), were shutdown. OPUS is a free, online GPS post-processing service. If you try to access www.ngs.noaa.gov, the following screen will be displayed: For those of... read more