ESRI Press Catalog
GIS: Geospatial World
GIS: Geospatial Solutions
GIS: Directions Magazine
GPS: Point of Beginning
GPS: GPS World
GPS: GIM International
GPS: Inside GNSS
GPS: Professional Surveyor
Remote Sensing: Apogeo Spatial
LiDAR: LiDAR News
Government Websites for GPS
National Geodetic Survey
Federal Aviation Administration (WAAS Test Center)
Publications on GPS Technology, CORS/OPUS and Orbits (NGS)