Version 3.5.3


Updates: September 4, 2008: FYI info
To apply security updates and perform maintenance on our CORS online server will be OFFLINE: In Silver Spring on Tuesday September 9, 2008 starting at 0800h Eastern Time for 4 hours During this period both OPUS and UFCORS will be unavailable, but manual downloads of CORS data via our alternate server at ftp://alt.ngs.noaa.gov will be possible

This utility allows you to obtain a specific block of Global Positioning System ( GPS ) data for a continuously operating reference station (CORS) contained in the network of GPS sites managed by the National Geodetic Survey.

The GPS data will be in "receiver independent exchange" (RINEX) format, version 2.10.

Starting Day:
Start Time of the field observation: Day and Time Info
Time Zone relative to observation location: Time Zone Info
Number of hours of data you wish to receive: Please LIMIT requests for 1-second sampling rate data to 2 hours.

anim earth National Geodetic Survey - CORS Team
Last modified: April 25, 2007
Question or Comments: UFCORS