GNSS Augmentations
![](https://insidegnss.com/wp-content/uploads/2018/01/Todd_Walter_bxw.jpg)
Contrary to a widely held public impression, the elimination of GPS Selective Availability in 2000 did not take care of the needs that many users have for enhanced GNSS capabilities.
Indeed, various “augmentations” have been developed to meet the requirements of some applications for better accuracy, availability, or integrity (the assurance of the quality of a signal) than are available from GNSS signals in space.
By Inside GNSS