You can find software to do it using your computer. The best solution if you have lots of points to convert. Store the coordinates as a waypoint or landmark, switch the GPS to the desired coordinate system/datum, and recall the stored position.

This is usually because you have set different datums in GPS Utility and in your GPS receiver. Coordinate values are referenced to a particular datum and so when you change datums the coordinate values will change. The actual position does not change, it is just the distance from the "origin" that has changed. When you change datums you change the origin of the coordinate system that you are using.

If the datum is known, it will be listed on the station metadata information page and on the real-time data query results, among various locations on our CDEC site. If the datum is not known, a datum of 3.0 feet USED is used. A Full Natural Flow (FNF) equation, or unimpaired flow equation is an adjustment to the measured flow in the river. The adjustments are made due to alterations to the natural flow such as upstream diversions, reservoir storage changes, and accretions.

For example, Fahrenheit to Celsius or kilometers/hour to miles/hours...and many more including area, length, mass, pressure, speed, temperature, and volume. Please see the NODC Unit Conversion Guide. The NODC manages the world's largest collection of publicly available oceanographic data. The NODC does not conduct any data collection programs of its own; it serves solely as a repository, dissemination, and analysis facility for data collected by others. Data submission guidelines

This task is most easily handled by the ImageMagick convert program, which uses the input and output file extensions to specify the file formats: % convert myfile.jpg myfile.png However, there are also many tools in the /usr/local/netpbm/bin and /usr/local/pbmplus directories that can be applied to the task. Examples that combine several of these tools are pstoepsi, pstojpeg, pstopngtops, pstotgif, and pstotiff, all found in the /usr/local/bin/ directory.

Projection: Albers Equal-Area with Central Meridian = -96.0, Reference Latitude = +37.5, Standard Parallel 1 = +29.5, and Standard Parallel 2 = +45.5. Projection: Albers Equal-Area with Central Meridian = -154.0, Reference Latitude = +50.0, Standard Parallel 1 = +55.0, and Standard Parallel 2 = +65.0. Projection: Albers Equal-Area with Central Meridian = -157.0, Reference Latitude = +13.0, Standard Parallel 1 = +8.0, and Standard Parallel 2 = +18.0.

All our published tide heights and the heights shown on the TideFlash graph are relative to the zero height used in official marine charts. This zero height is known as the datum. Standard ports have a physical marker that can be used to relate the datum to a real world height. For instance, Auckland has a bronze plaque which is 5.233 metres above the datum. This plaque is set in concrete in the road at the entrance to Captain Cook Wharf.

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The NAD 27 was based on the Clarke Ellipsoid of 1866 and the NAD 83 is based on the Geodetic Reference System of 1980. The NAD 27 was computed with a single survey point, MEADES RANCH in Kansas, as the datum point, while the NAD 83 was computed as a geocentric reference system with no datum point. NAD 83 has been officially adopted as the legal horizontal datum for the United States by the Federal government, and has been recognized as such in legislation in 44 of the 50 states.

The U.S. Army Corps of Engineers has information on coordinate conversions and geospatial application software available at:

Geodesy deals with the measurement and representation of the Earth with respect to its gravity field and dynamic geophysical characteristics (polar motion, Earth tides, and crustal motion) in three-dimensional space over time. Geodesy is primarily concerned with the position of the Earth's gravity field and geometric aspects as they change over time. A Geoid is an idealized equilibrium surface representing the real shape of the Earth, without accounting for the topographic features.

Certainly, the Geographic Calculator supports custom datums based on Molodensky, Bursa/Wolfe, NADCON, HPGN/HARN, and the Canadian National Transformation datum transformation methods. You simply need to know the required parameters for your custom datum. The Geographic Calculator provides a simple datum designer that provides an interface for entering the required parameters for your custom datum.

Quickclose Version 3 supports any geodetic datum, however at this stage only UTM (Universal Transverse Mercator) and TM (Transverse Mercator) map projections are supported. Coding for Lamberts Conformal Conic with one or two standard parallels is currently under development. Check the news & updates link for updates. Pre-computed projection and transformation parameters for many areas are included in the CD release and are constantly under development.

Garmin receivers, and some PC programs, offer more than 100 Geodetic Datums, but most users will use very few only. It is inconvenient to scroll through a huge list each time. Therefore GARtrip was restricted to the most popular datums. If you need another one, knowing its shift parameters, you may enter them yourself. Follow the instructions in the Help file under "Datum". If you don't know the shift parameters, you may ask the author. Look here for some more datums.

Use Tools : Replace strings or REPSTR.EXE. Define your own FLT or CNV file or use FLT/CNV files supplied by SuperMemo World (if available). See the manual or TOOLKIT.TXT to learn how to define filter files (FLT).

Yes, as long as you ask for my permission first. Please email to request such permission. If I grant you permission to convert one of my cars, you must credit me as the original author of the car. Back to top