Here are some publications that will help with your GPS work.  If you have suggestions for additions to this list please send them to

professionalsupport@thalesnavigation.com

http://www.ngs.noaa.gov/PUBS_LIB/develop_NSRS.html

http://www.ngs.noaa.gov/TOOLS/XYZ/xyz.html

http://www.ngs.noaa.gov/ANTCAL/images/summary.html

http://www.ngs.noaa.gov/PUBS_LIB/ManualNOSNGS5.pdf

http://www.ngs.noaa.gov/PUBS_LIB/TMNOSNGS58.pdf

http://www.ngs.noaa.gov/PUBS_LIB/FedRegister/FRdoc89-14076.pdf

http://www.ngs.noaa.gov/PUBS_LIB/FedRegister/FRdoc93-14922.pdf

http://www.ngs.noaa.gov/PUBS_LIB/FundSPCSys.pdf

http://www.ngs.noaa.gov/OPUS/discussion.html

http://www.ngs.noaa.gov/PUBS_LIB/GeoLay.pdf

http://www.ngdc.noaa.gov/

http://www.ngs.noaa.gov/CORS/information4/

http://www.ngs.noaa.gov/PUBS_LIB/FedRegister/FRdoc95-19408.pdf

http://earth-info.nga.mil/GandG/

http://www.usace.army.mil/inet/usace-docs/eng-manuals/em1110-1-1004/toc.htm

http://www.fgdc.gov/index.html

http://www.ngs.noaa.gov/PUBS_LIB/Guidebook1of3.pdf

http://www.ngs.noaa.gov/PUBS_LIB/Guidebook2of3.pdf

http://www.ngs.noaa.gov/PUBS_LIB/Guidebook3of3.pdf

http://www.geod.nrcan.gc.ca/publications/index_e.php