{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T11:35:43Z","timestamp":1768995343518,"version":"3.49.0"},"reference-count":38,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2020,5,11]],"date-time":"2020-05-11T00:00:00Z","timestamp":1589155200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>This paper presents the concept of precise navigation based on SBAS technology and CORS stations. In a kinematic test, three rover Global Positioning System (GPS) receivers, properly spaced relatively to each other, were used in order to estimate reliable and redundant GPS\/EGNOS positions. Next, the Kalman filter was employed to give the final solution. It was proven that EGNOS positioning allows to obtain an accuracy in the range of about 0.5\u20131.5 m. The proposed solution involving the use of three mobile receivers and Kalman filtering allowed to reduce the 3D error to a level below 0.3 m. Such an accuracy was achieved using only GPS L1 code observations and EGNOS corrections. Additionally, a reliable monitoring of quality of GPS\/EGNOS positioning in the test area based on CORS stations was presented.<\/jats:p>","DOI":"10.3390\/s20092732","type":"journal-article","created":{"date-parts":[[2020,5,11]],"date-time":"2020-05-11T12:26:30Z","timestamp":1589199990000},"page":"2732","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Examination of Multi-Receiver GPS\/EGNOS Positioning with Kalman Filtering and Validation Based on CORS Stations"],"prefix":"10.3390","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3984-0846","authenticated-orcid":false,"given":"Adam","family":"Cie\u0107ko","sequence":"first","affiliation":[{"name":"Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, 10-720 Olsztyn, Poland"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7180-8483","authenticated-orcid":false,"given":"Mieczys\u0142aw","family":"Baku\u0142a","sequence":"additional","affiliation":[{"name":"Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, 10-720 Olsztyn, Poland"},{"name":"Institute of Navigation, Military University of Aviation, 08-521 Deblin, Poland"}]},{"given":"Grzegorz","family":"Grunwald","sequence":"additional","affiliation":[{"name":"Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, 10-720 Olsztyn, Poland"}]},{"given":"Janusz","family":"\u0106wiklak","sequence":"additional","affiliation":[{"name":"Institute of Navigation, Military University of Aviation, 08-521 Deblin, Poland"}]}],"member":"1968","published-online":{"date-parts":[[2020,5,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"883","DOI":"10.1016\/j.cageo.2010.12.011","article-title":"Positional Accuracy of the wide area augmentation system in consumer-grade GPS units","volume":"37","author":"Arnold","year":"2011","journal-title":"Comput. 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