Trimble Centerpoint RTX Post Processing Service
Below is a great alternative to processing your data through the NGS OPUS service. The service is called the Trimble CenterPoint RTX Post Processing Service. Trimble CenterPoint RTK is a global GNSS technology providing centimeter level positioning accuracy in the same manner that you are used to with OPUS.
Trimble CenterPoint RTX is a free service that will process RINEX, .t0x files, and DAT files. It leverages GPS, GLONASS, QZSS, and is currently testing Galileo and BeiDou. This service will work anywhere in the world. Files to be processed need to be a minimum of one hour to obtain the proper level of accuracy needed. Below is a short video demonstrating how the service works. To process your files, or for more information, go to www.trimblertx.com