topic Getting Mean Sea Level Elevations from GPS devices using Collector in ArcGIS Collector Questions https://community.esri.com/t5/arcgis-collector-questions/getting-mean-sea-level-elevations-from-gps-devices/m-p/234697#M4111 <HTML><HEAD></HEAD><BODY><P>Is there any suggestions on how to get mean sea level elevation calculations from survey grade GPS devices by using Collector? I know it currently extracts height above ellipsoid readings and I can't find any conversion methods to mean sea level.&nbsp;</P></BODY></HTML> Mon, 24 Apr 2017 18:25:33 GMT Keith_Darby 2017-04-24T18:25:33Z Getting Mean Sea Level Elevations from GPS devices using Collector https://community.esri.com/t5/arcgis-collector-questions/getting-mean-sea-level-elevations-from-gps-devices/m-p/234697#M4111 <HTML><HEAD></HEAD><BODY><P>Is there any suggestions on how to get mean sea level elevation calculations from survey grade GPS devices by using Collector? I know it currently extracts height above ellipsoid readings and I can't find any conversion methods to mean sea level.&nbsp;</P></BODY></HTML> Mon, 24 Apr 2017 18:25:33 GMT https://community.esri.com/t5/arcgis-collector-questions/getting-mean-sea-level-elevations-from-gps-devices/m-p/234697#M4111 Keith_Darby 2017-04-24T18:25:33Z