[unav-data] Notice to UNAVCO GPS Data Product Users: Data Product Quality Issue

[Announcements from the UNAVCO Data Archive]

NOTICE TO UNAVCO GPS DATA PRODUCT USERS: KNOWN DATA QUALITY ISSUE WITH SOME PREVIOUSLY DISTRIBUTED DATA PRODUCTS
  
Issue: Some GPS Time Series Position (*.POS) files, .CSV time series position files, and SINEX (.SNX) files distributed from the UNAVCO archive between the dates of 01 January 2014 and 15 October 2014 contain inaccurate daily positions. 

Action: Do not use POS, CSV or SNX files based on Central Washington University (CWU) and combined (PBO) solution files distributed from the UNAVCO archive between 1/1/14 and 10/15/14. Delete these files from your holdings and download the most current versions from the UNAVCO archive. Review and update any interpretations based on analysis of these files. Make this issue known to other potential users of these files. Note: files based on New Mexico Tech (NMT) solutions are not affected by this issue and are appropriate to use.

More information: http://www.unavco.org/whats-hot/2014/NOTICE-TO-USERS-2014-11-03.pdf
 
We sincerely apologize for any inconvenience caused by this issue.
 
--
 David A. Phillips, Ph.D.
    Project Manager, Geodetic Data Services
    UNAVCO
    6350 Nautilus Drive, Boulder, CO 80301
    Tel: 303-381-7471, Fax: 303-381-7451
    phillips at unavco.org
    www.unavco.org
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