OPUS Unavailable this Weekend for Station Upgrade

Image: GPS World
The Continuously Operating Reference Station network’s Silver Spring facility will be go offline starting at about 2 p.m. Eastern time Friday, but is expected to be back online by noon Sunday. “Our alternate facility will have full data holdings,” the National Geodetic Survey says on its CORS website.
The shutdown is for a building-wide upgrade. The Online Positioning User Service (OPUS) will be unavailable during the entire shutdown period.
Eric Gakstatter, GPS World’s Survey/GIS editor, has outlined alternatives that surveyors and GIS professionals can use during a shutdown.
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