I am an university student, and I am carrying out my Doctoral Thesis. This tries about the GPS, and the evaluation and testing of the GPS civil users equipments. I'd like you provide me documents with the information about the protocols of testing of this GPS equipments (from how testing their architecture until evaluating their precision), or you indicated me where I can get this information. Thank you for your help.
The Ashtech web page is an excellent source of information. There you can download data sheets and documents from Tech Talk. You can also get manuals from the ftp server.
If you would like to see a field evaluation of a variety of GPS measurement tools and methods download the files for the OSU-OKC project from the OSLS web page at http://www.osls.org
Why not just search for GPS equipment testing on http://www.google.com ?