![Coordinates : A resource on positioning, navigation and beyond » Blog Archive » The Missing Observation: Orthometric Height Coordinates : A resource on positioning, navigation and beyond » Blog Archive » The Missing Observation: Orthometric Height](https://mycoordinates.org/wp-content/uploads/2012/04/eleiche2.jpg)
Coordinates : A resource on positioning, navigation and beyond » Blog Archive » The Missing Observation: Orthometric Height
![Measuring Land Subsidence Using GPS: Ellipsoid Height versus Orthometric Height | Journal of Surveying Engineering | Vol 141, No 2 Measuring Land Subsidence Using GPS: Ellipsoid Height versus Orthometric Height | Journal of Surveying Engineering | Vol 141, No 2](https://ascelibrary.org/cms/asset/4dacb0b7-1a03-481a-9797-0de4bb0f598c/figure1.gif)
Measuring Land Subsidence Using GPS: Ellipsoid Height versus Orthometric Height | Journal of Surveying Engineering | Vol 141, No 2
![A New GPS SNR-based Combination Approach for Land Surface Snow Depth Monitoring | Scientific Reports A New GPS SNR-based Combination Approach for Land Surface Snow Depth Monitoring | Scientific Reports](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41598-019-40456-2/MediaObjects/41598_2019_40456_Fig1_HTML.png)
A New GPS SNR-based Combination Approach for Land Surface Snow Depth Monitoring | Scientific Reports
![Determination of Istanbul geoid using GNSS/levelling and valley cross levelling data - ScienceDirect Determination of Istanbul geoid using GNSS/levelling and valley cross levelling data - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1674984720300173-gr1.jpg)
Determination of Istanbul geoid using GNSS/levelling and valley cross levelling data - ScienceDirect
![Amazon.com: Powerhobby GSM-015 GNSS RC GPS Speed Meter High Precision GPS Tester Height Speed Tester for RC Drones FPV Multirotor Quadcopter Airplane Helicopter Cars Trucks : Toys & Games Amazon.com: Powerhobby GSM-015 GNSS RC GPS Speed Meter High Precision GPS Tester Height Speed Tester for RC Drones FPV Multirotor Quadcopter Airplane Helicopter Cars Trucks : Toys & Games](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/41FlGWuNguL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Powerhobby GSM-015 GNSS RC GPS Speed Meter High Precision GPS Tester Height Speed Tester for RC Drones FPV Multirotor Quadcopter Airplane Helicopter Cars Trucks : Toys & Games
![Emlid RS+ w/ NTRIP Setting Vertical Coordinate System - RTK / Post-processing configuration - Emlid Community Forum Emlid RS+ w/ NTRIP Setting Vertical Coordinate System - RTK / Post-processing configuration - Emlid Community Forum](https://community.emlid.com/uploads/default/original/2X/4/403ccd93bc8f31c3c767f104130659f59ee3c2e4.png)