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In some areas there is a risk that if a single CORS site is
unavailable, your OPUS-RS job will not be processed.
Caution and planning are suggested for OPUS-RS jobs.
OPUS-Projects
OPUS Projects is a relatively new online tool. Its use requires
taking a NGS training class, but the invested time is well
worth it as OPUS-Projects will allow you to combine the
observation files from multiple receivers and multiple
sessions.
There is an excellent article and video describing OPUS
Projects in the October 2013 ‘American Surveyor’ magazine.
Search for “OPUS-Projects: The Next Revolution in GPS” to
find a full resolution PDF.
OPUS Error Messages and Failures
There are lots of possible error messages when processing
OPUS solutions. It is our experience that almost all errors fall
into a single category:
“There is not enough nearby CORS data to effectively
process your occupation…
yet
.”
In general, the solution is nearly always the same:
“Wait until more data becomes available and resubmit
your job.”