WHAT IS OPUS?
HOW DOES OPUS WORK?
HOW DO I USE OPUS?
WHAT ARE SOME OPUS GUIDELINES?
GETTING TO OPUS
OPUS - Select Reference Site(s)
HOW IS THE ANTENNA HEIGHT MEASURED?
WHY DO I NEED THE ANTENNA TYPE?
Why NGS uses the ARP The phase center varies depending on the elevation angle from the antenna to the satellite - If there are 8 satellites, there are 8 phase centers that must be modeled and averaged
- The Phase center for L1 is different from the L2
HOW ARE OPUS POSITIONS COMPUTED?
WHAT DOES OPUS OUTPUT LOOK LIKE?
READING OPUS OUTPUT (input)
READING OPUS OUTPUT (process results)
READING OPUS OUTPUT (coordinates)
READING OPUS OUTPUT (coordinates)
READING OPUS OUTPUT (control)
WHAT IS A GOOD SOLUTION?
HOW CAN I IMPROVE MY RESULTS?
HOW DO I GET HELP?
WHAT CHANGES ARE PLANNED IN THE FUTURE?
Using OPUS to control Bridges - Sets an azimuth pair ( )
- Uses approximately 6-7 control panels ( )
- Controls the site with 2 receivers
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Field Work is now complete. The following steps need to be taken to finish the process:
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