<h1 class="ql-align-center"><strong style="color: rgb(230, 0, 0);">GAGAN (GPS Aided Geo Augmented Navigation)</strong></h1><p class="ql-align-center"><br></p><p class="ql-align-justify"><strong>CONTEXT</strong>: Recently a consultative committee of the <strong>Ministry of Civil Aviation met in New Delhi to discuss GAGAN (GPS Aided Geo Augmented Navigation).</strong></p><p class="ql-align-justify"><br></p><h3 class="ql-align-justify"><strong>About </strong></h3><ul><li class="ql-align-justify">It was jointly developed by <strong>AAI and ISRO.</strong></li><li class="ql-align-justify">It is a <strong>Space Based Augmentation System (SBAS)</strong> providing the best possible navigational services over Indian FIR (Flight Information Region) with the capability of expanding to neighboring FIRs.</li><li class="ql-align-justify">GAGAN is a system of satellites and ground stations that provide GPS signal corrections, giving you better position accuracy.</li><li class="ql-align-justify">GPS alone does not meet the ICAOs navigational requirements for accuracy, integrity and availability.</li><li class="ql-align-justify">GAGAN corrects for GPS signal errors caused by Ionospheric disturbances, timing and satellite orbit errors and also it provides vital information regarding the health of each satellite.</li><li class="ql-align-justify">The system has interoperability with other international <strong>SBAS systems like US-WAAS, European EGNOS, and Japanese MSAS etc.</strong></li><li class="ql-align-justify">The GAGAN Signal-In-Space (SIS) is available through<strong> GSAT-8 and GSAT-10.</strong></li></ul><p class="ql-align-justify"><br></p><h3 class="ql-align-justify"><strong>Services Offered:</strong></h3><ul><li class="ql-align-justify">Aviation, Forest management, Railways signaling, Scientific Research for Atmospheric Studies, Natural Resource and Land Management, Location based services, Mobile, Tourism.</li></ul><p class="ql-align-justify"><br></p><h3 class="ql-align-justify"><strong>Coverage Area:</strong></h3><ul><li class="ql-align-justify"><strong>GAGAN GEO footprint expands from Africa to Australia</strong> and GAGAN system has capability to cater 45 reference stations for expansion to neighboring countries.</li><li class="ql-align-justify">GAGAN provides a civil aeronautical navigation signal consistent with <strong>International Civil Aviation Organization (ICAO) Standards and Recommended Practices (SARPs) as established by the Global Navigation Satellite System (GNSS) Panel.</strong></li></ul><p class="ql-align-center"><br></p><h1 class="ql-align-center"><strong>PRELIMS NOTES:</strong><a href="https://www.sunyaias.com/subscription-details/prelims-2023-sunya-notes-current-affairs" rel="noopener noreferrer" target="_blank" style="color: rgb(0, 102, 204);"><strong>CLICK HERE</strong></a></h1>