El-Rabbany A. Introduction to GPS

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Appendix B

Useful Web Sites

B.1 GPS/GLONASS/Galileo information and data

Canadian Active Control System (CACS data and service):

http://www.geod.nrcan.gc.ca/htmlpublic/GSDproducts-

Guide/CACS/English/cacstest.html

Geodetic Survey Division of Geomatics Canada:

http://www.geod.nrcan.gc.ca/index_English_text_based.html

Galileo EC page:

http://www.Galileo-pgm.org/

Galileo World magazine:

http://www.galileosworld.com/

GPS World magazine:

http://www.gpsworld.com/

163

TEAMFLY

Team-Fly

International GPS Service for Geodynamics (RINEX and precise

ephemeris data):

http://igscb.jpl.nasa.gov/

International Terrestrial Reference Frame (ITRF):

http://large.ensg.ign.fr/ITRF/index-old.html

Ministry of Defence of the Russian Federation (GLONASS Web

page):

http://www.rssi.ru/SFCSIC/English.html

National Imagery and Mapping Agency (NIMA):

http://164.214.2.59/nimahome.html

Navtech Seminars and GPS Supply:

http://www.navtechgps.com/

UNB Internet resources:

http://gauss.gge.unb.ca/GPS.INTERNET.SERVICES.HTML

University Navstar Consortium (UNAVCO data and service):

http://www.unavco.ucar.edu/

U.S. Coast Guard Navigation Center (GPS NANU, GPS Almanac,

FRP, and others):

http://www.navcen.uscg.gov/

U.S. Continuously Operating Reference Station (CORS data):

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

U.S. National Geodetic Survey:

http://www.ngs.noaa.gov/index.shtml

U.S. National Geodetic Survey GEOID page:

http://www.ngs.noaa.gov/GEOID

U.S. National Geodetic Survey Orbit data:

http://www.ngs.noaa.gov/GPS/GPS.html

U.S. Naval Observatory (GPS timing data and information):

http://tycho.usno.navy.mil/gps_datafiles.html

164 Introduction to GPS

B.2 GPS manufacturers

Applanix Corporation (integrated systems):

http://www.applanix.com/

Integrinautics (pseudolites):

http://www.integrinautics.com/

Leica:

http://www.leica.com/

Magellan Corporation (Ashtech precision products):

http://www.ashtech.com/

NovAtel:

http://www.novatel.ca

Pacific Crest Corporation (radio link systems):

http://www.paccrst.com/

SOKKIA Corporation:

http://www.sokkia.com/

Trimble Navigation:

http://www.trimble.com/

Appendix B 165

About the Author

Dr. Ahmed El-Rabbany is an assistant professor in the Department of Civil

Engineering, Ryerson University, in Toronto, Canada. He received a Ph.D.

in GPS from the Department of Geodesy and Geomatics Engineering at the

University of New Brunswick. He also worked in the same department as a

postdoctoral fellow and as an assistant professor. Dr. El-Rabbany has more

than 17 years of research, instructional, and industrial experience in the

general discipline of geomatics engineering, with specializations in GPS,

geodesy, data modeling and estimation, and hydrographic surveying. He

leads a number of research activities in the areas of GPS, integrated naviga-

tional chart systems, and integrated navigation systems for land navigation

and hydrographic surveying. Dr. El-Rabbany currently holds leading posi-

tions with a number of local, national, and international professional

organizations that directly influence the geomatics profession. He was

recently appointed an honorary research associate and an adjunct

professor at the University of New Brunswick and York University,

respectively.

167

Index

3-D coordinate system, 4950

Accuracy

defined, 161

DGPS, 7980

measures, 16162

positioning, 10

relative positioning, 72

static GPS surveying, 74, 91

Airborne mapping, 14042

defined, 141

direct georeferencing, 142

GPS/inertial system for, 142

illustrated, 141