Ground based augmentation is provided by systems like the Local Area Augmentation System (LAAS).

It's a conversation about augmentation.

In the United States, the satellite based component is the Wide Area Augmentation System (WAAS), in Europe it is the European Geostationary Navigation Overlay Service (EGNOS), and in Japan it is the Multi Functional Satellite Augmentation System (MSAS).

Classification Satellite navigation systems that provide enhanced accuracy and integrity monitoring usable for civil navigation are classified as follows GNSS 1 is the first generation system and is the combination of existing satellite navigation systems (GPS and GLONASS), with Satellite Based Augmentation Systems (SBAS) or Ground Based Augmentation Systems (GBAS).

The Quasi Zenith Satellite System (QZSS), is a proposed three satellite regional time transfer system and Satellite Based Augmentation System for the Global Positioning System, that would be receivable within Japan.

384,000 women, American women, last year went in for elective breast augmentation surgery. It's rapidly becoming the most popular high school graduation gift, given to young girls who are about to go off to college.