ION GNSS 2011 is the world’s largest technical meeting and showcase of GNSS technology, products and services and brings together thought-leaders in the field to present new research, introduce new technologies, and exchange ideas. ION GNSS 2011 will feature more than 250 technical papers on a diverse array of topics includingAtmospheric Sciences Autonomous Vehicles Aviation Applications Consumer Applications Enhanced and Developing Systems Galileo System Design and Services, GPS/Galileo Interoperability GNSS Algorithms and Methods GNSS Ground Based Augmentation Systems (GBAS) GNSS Simulation and Testing GNSS Space Based Augmentation Systems (SBAS) GPS and Galileo Interoperability for Military Use GPS and GLONASS Modernization and Other Emerging GNSS (Galileo, QZSS, IRNSS, COMPASS) Integrating System Capabilities at the GPS Wing (Invited Papers Only) Integrity Monitoring for Next Generation Applications Land Based Applications LBS Technology and Applications Marine Navigation Military GPS and Host Applications Integrations for Robust PNT Solutions Multi-Constellation User Receivers NATO Military PNT & Navwar (Invited Papers Only) New Product Announcements Next Generation GNSS Integrity for Aviation Pedestrian Navigation Portable Navigation Devices Precise Point Positioning and Network RTK RAIM and/or Multi-Constellation RAIM Regulatory Service Applications (Road user Charging, etc.) Remote sensing with GNSS & Integrated Sensors Requirements and Certification of Military Aircraft for Global Operations Software Receivers Space Applications Statistical Signal Processing Surveying and Geodesy Timing & Scientific Applications Urban and Indoor Navigation Technology