Current and future space-based regional or augmentation system providers including, for example, China (Compass), the European Space Agency (EGNOS), India (GAGAN/INRSS), Japan (MSAS/QZSS), Nigeria (NigComsat-1 SBAS, Nigerian Communication Satellite Space Based Augmentation System) and the United States (WAAS);
Current and future space-based regional or augmentation system providers including, for example, China (Compass), the European Space Agency (EGNOS), India (GAGAN/INRSS), Japan (MSAS/QZSS), Nigeria (NigComsat-1 SBAS, Nigerian Communication Satellite Space Based Augmentation System) and the United States (WAAS);